Merge branch 'release/os/4.12' into merge-release/os/4.11-release/os/4.12-2024-09-24-389

.ci/dev/compatibility/DockerfileJDK11

@@ -1,9 +0,0 @@
-FROM azul/zulu-openjdk:11.0.14
-RUN apt-get update && apt-get install -y curl apt-transport-https \
-                                              ca-certificates \
-                                              curl \
-                                              gnupg2 \
-                                              software-properties-common \
-                                              wget
-ARG USER="stresstester"
-RUN useradd -m ${USER}

.ci/dev/compatibility/JenkinsfileJDK11Azul

@@ -1,213 +0,0 @@
-#!groovy
-/**
- * Jenkins pipeline to build Corda OS release with JDK11
- */
-
-/**
- * Kill already started job.
- * Assume new commit takes precendence and results from previous
- * unfinished builds are not required.
- * This feature doesn't play well with disableConcurrentBuilds() option
- */
-@Library('corda-shared-build-pipeline-steps')
-import static com.r3.build.BuildControl.killAllExistingBuildsForJob
-
-killAllExistingBuildsForJob(env.JOB_NAME, env.BUILD_NUMBER.toInteger())
-
-/**
- * Sense environment
- */
-boolean isReleaseTag = (env.TAG_NAME =~ /^release.*JDK11$/)
-
-/**
- * Common Gradle arguments for all Gradle executions
- */
-String COMMON_GRADLE_PARAMS = [
-        '--no-daemon',
-        '--stacktrace',
-        '--info',
-        '-Pcompilation.warningsAsErrors=false',
-        '-Ptests.failFast=true',
-].join(' ')
-
-/**
- * The name of subfolders to run tests previously on Another Agent and Same Agent
- */
-String sameAgentFolder = 'sameAgent'
-String anotherAgentFolder = 'anotherAgent'
-
-pipeline {
-    agent {
-        dockerfile {
-            label 'standard'
-            additionalBuildArgs '--build-arg USER="${USER}"' // DON'T change quotation - USER variable is substituted by SHELL!!!!
-            filename "${sameAgentFolder}/.ci/dev/compatibility/DockerfileJDK11"
-        }
-    }
-
-    /*
-     * List options in alphabetical order
-     */
-    options {
-        buildDiscarder(logRotator(daysToKeepStr: '14', artifactDaysToKeepStr: '14'))
-        checkoutToSubdirectory "${sameAgentFolder}"
-        parallelsAlwaysFailFast()
-        timeout(time: 6, unit: 'HOURS')
-        timestamps()
-    }
-
-    /*
-     * List environment variables in alphabetical order
-     */
-    environment {
-        ARTIFACTORY_BUILD_NAME = "Corda :: Publish :: Publish JDK 11 Release to Artifactory :: ${env.BRANCH_NAME}"
-        ARTIFACTORY_CREDENTIALS = credentials('artifactory-credentials')
-        CORDA_ARTIFACTORY_PASSWORD = "${env.ARTIFACTORY_CREDENTIALS_PSW}"
-        CORDA_ARTIFACTORY_USERNAME = "${env.ARTIFACTORY_CREDENTIALS_USR}"
-    }
-
-    stages {
-        stage('Compile') {
-            steps {
-                dir(sameAgentFolder) {
-                    authenticateGradleWrapper()
-                    sh script: [
-                            './gradlew',
-                            COMMON_GRADLE_PARAMS,
-                            'clean',
-                            'jar'
-                    ].join(' ')
-                }
-            }
-        }
-
-        stage('Copy') {
-            steps {
-                sh "rm -rf ${anotherAgentFolder} && mkdir -p ${anotherAgentFolder} &&  cd ${sameAgentFolder} && cp -aR . ../${anotherAgentFolder}"
-            }
-        }
-
-        stage('All Tests') {
-            parallel {
-                stage('Another agent') {
-                    post {
-                        always {
-                            dir(anotherAgentFolder) {
-                                archiveArtifacts artifacts: '**/*.log', fingerprint: false
-                                junit testResults: '**/build/test-results/**/*.xml', keepLongStdio: true
-                            }
-                        }
-                    }
-                    stages {
-                        stage('Unit Test') {
-                            steps {
-                                dir(anotherAgentFolder) {
-                                    sh script: [
-                                            './gradlew',
-                                            COMMON_GRADLE_PARAMS,
-                                            'test'
-                                    ].join(' ')
-                                }
-                            }
-                        }
-                        stage('Smoke Test') {
-                            steps {
-                                dir(anotherAgentFolder) {
-                                    sh script: [
-                                            './gradlew',
-                                            COMMON_GRADLE_PARAMS,
-                                            'smokeTest'
-                                    ].join(' ')
-                                }
-                            }
-                        }
-                        stage('Slow Integration Test') {
-                            steps {
-                                dir(anotherAgentFolder) {
-                                    sh script: [
-                                            './gradlew',
-                                            COMMON_GRADLE_PARAMS,
-                                            'slowIntegrationTest'
-                                    ].join(' ')
-                                }
-                            }
-                        }
-                    }
-                }
-                stage('Same agent') {
-                    post {
-                        always {
-                            dir(sameAgentFolder) {
-                                archiveArtifacts artifacts: '**/*.log', fingerprint: false
-                                junit testResults: '**/build/test-results/**/*.xml', keepLongStdio: true
-                            }
-                        }
-                    }
-                    stages {
-                        stage('Integration Test') {
-                            steps {
-                                dir(sameAgentFolder) {
-                                    sh script: [
-                                            './gradlew',
-                                            COMMON_GRADLE_PARAMS,
-                                            'integrationTest'
-                                    ].join(' ')
-                                }
-                            }
-                        }
-
-                        stage('Deploy Node') {
-                            steps {
-                                dir(sameAgentFolder) {
-                                    sh script: [
-                                            './gradlew',
-                                            COMMON_GRADLE_PARAMS,
-                                            'deployNode'
-                                    ].join(' ')
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-
-        stage('Publish to Artifactory') {
-            when {
-                expression { isReleaseTag }
-            }
-            steps {
-                dir(sameAgentFolder) {
-                    rtServer(
-                            id: 'R3-Artifactory',
-                            url: 'https://software.r3.com/artifactory',
-                            credentialsId: 'artifactory-credentials'
-                    )
-                    rtGradleDeployer(
-                            id: 'deployer',
-                            serverId: 'R3-Artifactory',
-                            repo: 'corda-releases'
-                    )
-                    rtGradleRun(
-                            usesPlugin: true,
-                            useWrapper: true,
-                            switches: '-s --info',
-                            tasks: 'artifactoryPublish',
-                            deployerId: 'deployer',
-                            buildName: env.ARTIFACTORY_BUILD_NAME
-                    )
-                    rtPublishBuildInfo(
-                            serverId: 'R3-Artifactory',
-                            buildName: env.ARTIFACTORY_BUILD_NAME
-                    )
-                }
-            }
-        }
-    }
-
-    post {
-        cleanup {
-            deleteDir() /* clean up our workspace */
-        }
-    }
-}

.ci/dev/compatibility/JenkinsfileJDK11Compile

@@ -1,58 +0,0 @@
-#!groovy
-/**
- * Jenkins pipeline to build Corda Opensource Pull Requests with JDK11.
- */
-
-@Library('corda-shared-build-pipeline-steps')
-import static com.r3.build.BuildControl.killAllExistingBuildsForJob
-
-killAllExistingBuildsForJob(env.JOB_NAME, env.BUILD_NUMBER.toInteger())
-
-pipeline {
-    agent {
-        dockerfile {
-            label 'standard'
-            additionalBuildArgs '--build-arg USER="${USER}"' // DON'T change quotation - USER variable is substituted by SHELL!!!!
-            filename '.ci/dev/compatibility/DockerfileJDK11'
-        }
-    }
-    options {
-        timestamps()
-        timeout(time: 3, unit: 'HOURS')
-        buildDiscarder(logRotator(daysToKeepStr: '14', artifactDaysToKeepStr: '14'))
-    }
-
-    environment {
-        ARTIFACTORY_CREDENTIALS = credentials('artifactory-credentials')
-        BUILD_CACHE_CREDENTIALS = credentials('gradle-ent-cache-credentials')
-        BUILD_CACHE_PASSWORD = "${env.BUILD_CACHE_CREDENTIALS_PSW}"
-        BUILD_CACHE_USERNAME = "${env.BUILD_CACHE_CREDENTIALS_USR}"
-        CORDA_ARTIFACTORY_PASSWORD = "${env.ARTIFACTORY_CREDENTIALS_PSW}"
-        CORDA_ARTIFACTORY_USERNAME = "${env.ARTIFACTORY_CREDENTIALS_USR}"
-        CORDA_GRADLE_SCAN_KEY = credentials('gradle-build-scans-key')
-        CORDA_USE_CACHE = "corda-remotes"
-    }
-
-    stages {
-        stage('JDK 11 Compile') {
-            steps {
-                authenticateGradleWrapper()
-                sh "./gradlew --no-daemon --parallel --build-cache -Pcompilation.allWarningsAsErrors=true -Ptests.failFast=false " +
-                "-Ptests.ignoreFailures=true clean compileAll --stacktrace"
-            }
-        }
-        stage('Deploy nodes') {
-            steps {
-                sh "./gradlew --no-daemon --build-cache deployNodes"
-            }
-        }
-    }
-    post {
-        always {
-            findBuildScans()
-        }
-        cleanup {
-            deleteDir() /* clean up our workspace */
-        }
-    }
-}

.ci/dev/forward-merge/Jenkinsfile

@@ -13,13 +13,13 @@
  * the branch name of origin branch, it should match the current branch
  * and it acts as a fail-safe inside {@code forwardMerger} pipeline
  */
-String originBranch = 'release/os/4.11'
+String originBranch = 'release/os/4.12'
 
 /**
  * the branch name of target branch, it should be the branch with the next version
  * after the one in current branch.
  */
-String targetBranch = 'release/os/4.12'
+String targetBranch = 'release/os/4.13'
 
 /**
  * Forward merge any changes between #originBranch and #targetBranch

.ci/dev/nightly-regression/Jenkinsfile

@@ -45,6 +45,8 @@ pipeline {
         CORDA_ARTIFACTORY_PASSWORD = "${env.ARTIFACTORY_CREDENTIALS_PSW}"
         CORDA_ARTIFACTORY_USERNAME = "${env.ARTIFACTORY_CREDENTIALS_USR}"
         CORDA_USE_CACHE = "corda-remotes"
+        JAVA_HOME = "/usr/lib/jvm/java-17-amazon-corretto"
+        JAVA_8_HOME = "/usr/lib/jvm/java-1.8.0-amazon-corretto"
     }
 
     stages {

.ci/dev/pr-code-checks/Jenkinsfile

@@ -15,48 +15,32 @@ pipeline {
      * List environment variables in alphabetical order
      */
     environment {
+        SNYK_API_TOKEN = credentials('c4-os-snyk-api-token-secret')
+        C4_OS_SNYK_ORG_ID = credentials('c4-os-snyk-org-id')
         ARTIFACTORY_CREDENTIALS = credentials('artifactory-credentials')
-        BUILD_CACHE_CREDENTIALS = credentials('gradle-ent-cache-credentials')
-        BUILD_CACHE_PASSWORD = "${env.BUILD_CACHE_CREDENTIALS_PSW}"
-        BUILD_CACHE_USERNAME = "${env.BUILD_CACHE_CREDENTIALS_USR}"
         CORDA_ARTIFACTORY_PASSWORD = "${env.ARTIFACTORY_CREDENTIALS_PSW}"
         CORDA_ARTIFACTORY_USERNAME = "${env.ARTIFACTORY_CREDENTIALS_USR}"
-        CORDA_GRADLE_SCAN_KEY = credentials('gradle-build-scans-key')
         CORDA_USE_CACHE = "corda-remotes"
-        C4_OS_SNYK_ORG_ID = credentials('c4-os-snyk-org-id')
+        JAVA_HOME = "/usr/lib/jvm/java-17-amazon-corretto"
-        SNYK_API_TOKEN = credentials('c4-os-snyk-api-token-secret')
     }
 
     stages {
         stage('Detekt check') {
             steps {
                 authenticateGradleWrapper()
-                sh "./gradlew --no-daemon --parallel --build-cache clean detekt"
+                sh "./gradlew --no-daemon clean detekt"
             }
         }
 
         stage('Compilation warnings check') {
             steps {
-                sh "./gradlew --no-daemon --parallel --build-cache -Pcompilation.warningsAsErrors=true compileAll"
+                sh "./gradlew --no-daemon -Pcompilation.warningsAsErrors=true compileAll"
             }
         }
 
         stage('Snyk Delta') {
-            agent {
+            agent { label 'standard' }
-                docker {
-                    image 'build-zulu-openjdk:8'
-                    reuseNode true
-                    registryUrl 'https://engineering-docker.software.r3.com/'
-                    registryCredentialsId 'artifactory-credentials'
-                    args '-v /tmp:/host_tmp'
-                }
-            }
-            environment {
-                GRADLE_USER_HOME = "/host_tmp/gradle"
-            }
             steps {
-                authenticateGradleWrapper()
-                sh 'mkdir -p ${GRADLE_USER_HOME}'
                 authenticateGradleWrapper()
                 snykDeltaScan(env.SNYK_API_TOKEN, env.C4_OS_SNYK_ORG_ID)
             }
@@ -64,21 +48,19 @@ pipeline {
 
         stage('No API change check') {
             steps {
-                sh "./gradlew --no-daemon --parallel --build-cache generateApi"
+                sh "./gradlew --no-daemon generateApi"
                 sh ".ci/check-api-changes.sh"
             }
         }
 
         stage('Deploy Nodes') {
             steps {
-                sh "./gradlew --no-daemon --build-cache jar deployNodes"
+                sh "./gradlew --no-daemon jar deployNodes"
             }
         }
     }
+
     post {
-        always {
-            findBuildScans()
-        }
         cleanup {
             deleteDir() /* clean up our workspace */
         }

.ci/dev/publish-api-docs/Jenkinsfile

@@ -27,6 +27,7 @@ pipeline {
         ARTIFACTORY_CREDENTIALS = credentials('artifactory-credentials')
         CORDA_ARTIFACTORY_USERNAME = "${env.ARTIFACTORY_CREDENTIALS_USR}"
         CORDA_ARTIFACTORY_PASSWORD = "${env.ARTIFACTORY_CREDENTIALS_PSW}"
+        JAVA_HOME = "/usr/lib/jvm/java-17-amazon-corretto"
     }
 
     stages {

.ci/dev/publish-branch/Jenkinsfile.nightly

@@ -39,6 +39,7 @@ pipeline {
         BUILD_CACHE_USERNAME = "${env.BUILD_CACHE_CREDENTIALS_USR}"
         USE_CACHE = 'corda-remotes'
         DOCKER_URL = "https://index.docker.io/v1/"
+        JAVA_HOME = "/usr/lib/jvm/java-17-amazon-corretto"
     }
 
     stages {

.ci/dev/publish-branch/Jenkinsfile.preview

@@ -24,6 +24,7 @@ pipeline {
         // in the name
         ARTIFACTORY_BUILD_NAME = "Corda / Publish / Publish Preview to Artifactory"
                 .replaceAll("/", " :: ")
+        JAVA_HOME = "/usr/lib/jvm/java-17-amazon-corretto"
     }
 
     stages {

.ci/dev/regression/Jenkinsfile

@@ -70,6 +70,8 @@ pipeline {
         SNYK_API_KEY = "c4-os-snyk" //Jenkins credential type: Snyk Api token
         SNYK_TOKEN = credentials('c4-os-snyk-api-token-secret') //Jenkins credential type: Secret text
         C4_OS_SNYK_ORG_ID = credentials('corda4-os-snyk-org-id')
+        JAVA_HOME = "/usr/lib/jvm/java-17-amazon-corretto"
+        JAVA_8_HOME = "/usr/lib/jvm/java-1.8.0-amazon-corretto"
     }
 
     stages {
@@ -327,7 +329,7 @@ pipeline {
                             './gradlew',
                             COMMON_GRADLE_PARAMS,
                             'docker:pushDockerImage',
-                            '-Pdocker.image.repository=corda/community',
+                            '-Pdocker.image.repository=corda/open-source',
                             '--image OFFICIAL'
                             ].join(' ')
                 }

.github/PULL_REQUEST_TEMPLATE.md

@@ -3,9 +3,9 @@
 
 # PR Checklist:
 
-- [ ] Have you run the unit, integration and smoke tests as described [here](https://docs.r3.com/en/platform/corda/4.8/open-source/testing.html)?
+- [ ] Have you run the unit, integration and smoke tests as described [here](https://docs.r3.com/testing.html)?
 - [ ] If you added public APIs, did you write the JavaDocs/kdocs?
-- [ ] If the changes are of interest to application developers, have you added them to the changelog, and potentially the [release notes](https://docs.corda.net/head/release-notes.html) (`https://docs.r3.com/en/platform/corda/4.8/open-source/release-notes.html`)?
+- [ ] If the changes are of interest to application developers, have you added them to the changelog, and potentially the [release notes](https://docs.r3.com/release-notes.html) (`https://docs.r3.com/release-notes.html`)?
-- [ ] If you are contributing for the first time, please read the [contributor agreement](https://docs.r3.com/en/platform/corda/4.8/open-source/contributing.html) now and add a comment to this pull request stating that your PR is in accordance with the [Developer's Certificate of Origin](https://docs.r3.com/en/platform/corda/4.8/open-source/contributing.html#merging-the-changes-back-into-corda).
+- [ ] If you are contributing for the first time, please read the [contributor agreement](https://docs.r3.com/contributing.html) now and add a comment to this pull request stating that your PR is in accordance with the [Developer's Certificate of Origin](https://docs.r3.com/contributing.html).
 
 Thanks for your code, it's appreciated! :)

.github/workflows/check-pr-title.yml

@@ -9,6 +9,6 @@ jobs:
     steps:
       - uses: morrisoncole/pr-lint-action@v1.7.1
         with:
-          title-regex: '^((CORDA|AG|EG|ENT|INFRA|ES)-\d+)(.*)'
+          title-regex: '^((CORDA|AG|EG|ENT|INFRA|ES|DOC)-\d+)(.*)'
           on-failed-regex-comment: "PR title failed to match regex -> `%regex%`"
           repo-token: "${{ secrets.GITHUB_TOKEN }}"

CONTRIBUTING.md

@@ -2,4 +2,4 @@
 
 Corda is an open-source project and contributions are welcome!
 
-To find out how to contribute, please see our [contributing docs](https://docs.r3.com/en/platform/corda/4.8/open-source/contributing.html).
+To find out how to contribute, please see our [contributing docs](https://docs.r3.com/contributing.html).

Jenkinsfile

@@ -53,6 +53,8 @@ pipeline {
         CORDA_ARTIFACTORY_USERNAME = "${env.ARTIFACTORY_CREDENTIALS_USR}"
         CORDA_GRADLE_SCAN_KEY = credentials('gradle-build-scans-key')
         CORDA_USE_CACHE = "corda-remotes"
+        JAVA_HOME="/usr/lib/jvm/java-17-amazon-corretto"
+        JAVA_8_HOME = "/usr/lib/jvm/java-1.8.0-amazon-corretto"
     }
 
     stages {
@@ -119,6 +121,24 @@ pipeline {
                                 ].join(' ')
                             }
                         }
+                        stage('Smoke Test') {
+                            steps {
+                                sh script: [
+                                        './gradlew',
+                                        COMMON_GRADLE_PARAMS,
+                                        'smokeTest'
+                                ].join(' ')
+                            }
+                        }
+                        stage('Slow Integration Test') {
+                            steps {
+                                sh script: [
+                                        './gradlew',
+                                        COMMON_GRADLE_PARAMS,
+                                        'slowIntegrationTest'
+                                ].join(' ')
+                            }
+                        }
                     }
                 }
                 stage('Same agent') {

README.md

@@ -1,5 +1,5 @@
 <p align="center">
-  <img src="https://www.corda.net/wp-content/themes/corda/assets/images/crda-logo-big.svg" alt="Corda" width="500">
+  <img src="https://corda.net/wp-content/uploads/2021/11/corda-logo.svg" alt="Corda" width="500">
 </p>
 
 <a href="https://ci-master.corda.r3cev.com/viewType.html?buildTypeId=Corda_Build_ActiveReleaseBranches_BuildOsRelease45&tab=buildTypeStatusDiv&guest=1"><img src="https://ci.corda.r3cev.com/app/rest/builds/buildType:Corda_Build_ActiveReleaseBranches_BuildOsRelease45/statusIcon"/></a> [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
@@ -25,27 +25,26 @@ However, like all things, Corda must evolve to serve the more stringent needs of
 
 ## Getting started
 
-1. Read the [Getting Started](https://docs.corda.net/getting-set-up.html) documentation
+1. Read the [Getting Started](https://docs.r3.com/getting-set-up.html) documentation
-2. Run the [Example CorDapp](https://docs.corda.net/tutorial-cordapp.html)
+2. Run the [Example CorDapp](https://docs.r3.com/tutorial-cordapp.html)
-3. Read about Corda's [Key Concepts](https://docs.corda.net/key-concepts.html)
+3. Read about Corda's [Key Concepts](https://docs.r3.com/key-concepts.html)
-4. Follow the [Hello, World! tutorial](https://docs.corda.net/hello-world-introduction.html)
+4. Follow the [Hello, World! tutorial](https://docs.r3.com/hello-world-introduction.html)
 
 ## Useful links
 
 * [Project Website](https://corda.net)
 * [Mailing List](https://groups.io/g/corda-dev/)
-* [Documentation](https://docs.corda.net)
+* [Documentation](https://docs.r3.com)
 * [Stack Overflow Tag](https://stackoverflow.com/questions/tagged/corda)
 * [Slack Channel](https://slack.corda.net/)
-* [Twitter](https://twitter.com/Cordablockchain)
+* [Twitter](https://twitter.com/inside_r3)
-* [Meetups](https://www.meetup.com/pro/corda/)
+* [Training Courses](https://r3certification.com/)
-* [Training Courses](https://www.corda.net/corda-training/)
 
 ## Contributing
 
 Corda is an open-source project and contributions are welcome!
 
-To find out how to contribute, please see our [contributing docs](https://docs.r3.com/en/platform/corda/4.8/open-source/contributing.html).
+To find out how to contribute, please see our [contributing docs](https://docs.r3.com/contributing.html).
 
 ## License
 

build.gradle

@@ -1,8 +1,11 @@
 import com.r3.testing.DistributeTestsBy
 import com.r3.testing.PodLogLevel
+import net.corda.plugins.apiscanner.GenerateApi
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
-import static org.gradle.api.JavaVersion.VERSION_11
+import static org.gradle.api.JavaVersion.VERSION_17
-import static org.gradle.api.JavaVersion.VERSION_1_8
+import static org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17
+import static org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_1_9
 
 buildscript {
     // For sharing constants between builds
@@ -15,26 +18,18 @@ buildscript {
 
     ext.corda_build_edition = System.getenv("CORDA_BUILD_EDITION")?.trim() ?: "Corda Open Source"
     ext.corda_platform_version = constants.getProperty("platformVersion")
+    ext.corda_shell_version = constants.getProperty("cordaShellVersion")
     ext.gradle_plugins_version = constants.getProperty("gradlePluginsVersion")
 
     // Dependency versions. Can run 'gradle dependencyUpdates' to find new versions of things.
     //
     // TODO: Sort this alphabetically.
-    ext.kotlin_version = constants.getProperty("kotlinVersion")
     ext.warnings_as_errors = project.hasProperty("compilation.warningsAsErrors") ? project.property("compilation.warningsAsErrors").toBoolean() : false
 
     ext.quasar_group = 'co.paralleluniverse'
     // Set version of Quasar according to version of Java used:
-    if (JavaVersion.current().isJava8()) {
+    ext.quasar_version = constants.getProperty("quasarVersion")
-        ext.quasar_version = constants.getProperty("quasarVersion")
+    ext.quasar_classifier = constants.getProperty("quasarClassifier")
-        ext.quasar_classifier = constants.getProperty("quasarClassifier")
-        ext.jdkClassifier = constants.getProperty("jdkClassifier")
-    } else {
-        ext.quasar_version = constants.getProperty("quasarVersion11")
-        ext.quasar_classifier = constants.getProperty("quasarClassifier11")
-        ext.jdkClassifier = constants.getProperty("jdkClassifier11")
-    }
-    ext.cordaScanApiClassifier = jdkClassifier
     ext.quasar_exclusions = [
             'co.paralleluniverse**',
             'groovy**',
@@ -49,7 +44,7 @@ buildscript {
             'org.junit**',
             'org.slf4j**',
             'worker.org.gradle.**',
-            'com.nhaarman.mockito_kotlin**',
+            'org.mockito.kotlin**',
             'org.assertj**',
             'org.hamcrest**',
             'org.mockito**',
@@ -95,7 +90,6 @@ buildscript {
     ext.h2_version = constants.getProperty("h2Version")
     ext.rxjava_version = constants.getProperty("rxjavaVersion")
     ext.dokka_version = constants.getProperty("dokkaVersion")
-    ext.eddsa_version = constants.getProperty("eddsaVersion")
     ext.dependency_checker_version = constants.getProperty("dependencyCheckerVersion")
     ext.commons_collections_version = constants.getProperty("commonsCollectionsVersion")
     ext.beanutils_version = constants.getProperty("beanutilsVersion")
@@ -116,7 +110,6 @@ buildscript {
     ext.class_graph_version = constants.getProperty('classgraphVersion')
     ext.jcabi_manifests_version = constants.getProperty("jcabiManifestsVersion")
     ext.picocli_version = constants.getProperty("picocliVersion")
-    ext.commons_lang_version = constants.getProperty("commonsLangVersion")
     ext.commons_io_version = constants.getProperty("commonsIoVersion")
     ext.controlsfx_version = constants.getProperty("controlsfxVersion")
     ext.detekt_version = constants.getProperty('detektVersion')
@@ -124,20 +117,10 @@ buildscript {
     ext.commons_configuration2_version = constants.getProperty("commonsConfiguration2Version")
     ext.commons_text_version = constants.getProperty("commonsTextVersion")
     ext.snake_yaml_version = constants.getProperty("snakeYamlVersion")
+    ext.fontawesomefx_commons_version = constants.getProperty("fontawesomefxCommonsVersion")
+    ext.fontawesomefx_fontawesome_version = constants.getProperty("fontawesomefxFontawesomeVersion")
     ext.javaassist_version = constants.getProperty("javaassistVersion")
 
-    if (JavaVersion.current().isJava8()) {
-        ext.fontawesomefx_commons_version = constants.getProperty("fontawesomefxCommonsJava8Version")
-        ext.fontawesomefx_fontawesome_version = constants.getProperty("fontawesomefxFontawesomeJava8Version")
-    } else {
-        ext.fontawesomefx_commons_version = constants.getProperty("fontawesomefxCommonsVersion")
-        ext.fontawesomefx_fontawesome_version = constants.getProperty("fontawesomefxFontawesomeVersion")
-    }
-
-    // Update 121 is required for ObjectInputFilter.
-    // Updates [131, 161] also have zip compression bugs on MacOS (High Sierra).
-    // when the java version in NodeStartup.hasMinimumJavaVersion() changes, so must this check
-    ext.java8_minUpdateVersion = constants.getProperty('java8MinUpdateVersion')
     ext.corda_revision = {
         try {
             "git rev-parse HEAD".execute().text.trim()
@@ -171,6 +154,7 @@ buildscript {
                 content {
                     includeGroupByRegex 'net\\.corda(\\..*)?'
                     includeGroupByRegex 'com\\.r3(\\..*)?'
+                    includeGroup 'co.paralleluniverse'
                 }
             }
             maven {
@@ -180,7 +164,6 @@ buildscript {
                     includeGroupByRegex 'com\\.r3(\\..*)?'
                 }
             }
-            gradlePluginPortal()
             mavenCentral()
             maven {
                 url "${publicArtifactURL}/jcenter-backup"
@@ -188,28 +171,21 @@ buildscript {
         }
     }
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "org.jetbrains.kotlin:kotlin-allopen:$kotlin_version"
-        classpath "net.corda.plugins:publish-utils:$gradle_plugins_version"
         classpath "net.corda.plugins:quasar-utils:$gradle_plugins_version"
         classpath "net.corda.plugins:cordformation:$gradle_plugins_version"
         classpath "net.corda.plugins:cordapp:$gradle_plugins_version"
         classpath "net.corda.plugins:api-scanner:$gradle_plugins_version"
         classpath "net.corda.plugins:jar-filter:$gradle_plugins_version"
-        classpath "net.sf.proguard:proguard-gradle:$proguard_version"
+        classpath "com.guardsquare:proguard-gradle:$proguard_version"
         classpath 'com.github.ben-manes:gradle-versions-plugin:0.15.0'
-        classpath "org.jetbrains.kotlin:kotlin-noarg:$kotlin_version"
+        classpath "org.jetbrains.dokka:dokka-base:$dokka_version"
-        classpath "org.jetbrains.dokka:dokka-gradle-plugin:${dokka_version}"
+        classpath "org.owasp:dependency-check-gradle:$dependency_checker_version"
-        classpath "net.i2p.crypto:eddsa:$eddsa_version" // Needed for ServiceIdentityGenerator in the build environment.
-        classpath "org.owasp:dependency-check-gradle:${dependency_checker_version}"
         classpath "org.jfrog.buildinfo:build-info-extractor-gradle:$artifactory_plugin_version"
         // Capsule gradle plugin forked and maintained locally to support Gradle 5.x
         // See https://github.com/corda/gradle-capsule-plugin
-        classpath "us.kirchmeier:gradle-capsule-plugin:1.0.4_r3"
+        classpath "us.kirchmeier:gradle-capsule-plugin:1.0.5_r3"
         classpath group: "com.r3.testing", name: "gradle-distributed-testing-plugin", version: '1.3.0'
         classpath "org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:2.8"
-        classpath "com.gradle:gradle-enterprise-gradle-plugin:$gradleEnterprisePlugin"
-        classpath "com.gradle:common-custom-user-data-gradle-plugin:$customUserDataGradlePlugin"
     }
 
     configurations.classpath {
@@ -219,34 +195,20 @@ buildscript {
 }
 
 plugins {
-    // Add the shadow plugin to the plugins classpath for the entire project.
+    id 'org.jetbrains.kotlin.jvm' apply false
-    id 'com.github.johnrengelman.shadow' version '2.0.4' apply false
+    id 'org.jetbrains.kotlin.plugin.allopen' apply false
+    id 'org.jetbrains.kotlin.plugin.jpa' apply false
+    id 'com.github.johnrengelman.shadow' version '7.1.2' apply false
     id "org.ajoberstar.grgit" version "4.0.0"
+    id 'corda.root-publish'
+    id "org.jetbrains.dokka" version "1.8.20"
 }
 
 apply plugin: 'project-report'
 apply plugin: 'com.github.ben-manes.versions'
-apply plugin: 'net.corda.plugins.publish-utils'
-apply plugin: 'com.jfrog.artifactory'
 apply plugin: 'com.r3.testing.distributed-testing'
-apply plugin: "com.gradle.build-scan"
-apply plugin: "com.gradle.common-custom-user-data-gradle-plugin"
 
-buildScan {
+// If the command line project option -PversionFromGit is added to the gradle invocation, we'll resolve
-    server = gradleEnterpriseUrl
-    allowUntrustedServer = false
-    def apiKey = project.findProperty('CORDA_GRADLE_SCAN_KEY') ?: System.getenv('CORDA_GRADLE_SCAN_KEY')
-    if (apiKey?.trim()) {
-        publishAlways()
-        capture {
-            taskInputFiles = true
-        }
-        uploadInBackground = false
-        accessKey = apiKey
-    }
-}
-
-// If the command line project option -PversionFromGit is added to the gradle invocation, we'll resolve 
 // the latest git commit hash and timestamp and create a version postfix from that
 if (project.hasProperty("versionFromGit")){
     ext.versionSuffix = "${grgit.head().dateTime.format("yyyyMMdd_HHmmss")}-${grgit.head().abbreviatedId}"
@@ -259,26 +221,17 @@ if (ext.versionSuffix != ""){
     ext.corda_release_version = "${ext.baseVersion}".toString()
 }
 
-// We need the following three lines even though they're inside an allprojects {} block below because otherwise
+logger.lifecycle("JDK: {}", System.getProperty("java.home"))
-// IntelliJ gets confused when importing the project and ends up erasing and recreating the .idea directory, along
-// with the run configurations. It also doesn't realise that the project is a Java 8 project and misconfigures
-// the resulting import. This fixes it.
-apply plugin: 'java'
-
-logger.lifecycle("Java version: {}", JavaVersion.current())
-sourceCompatibility = VERSION_1_8
-targetCompatibility = JavaVersion.current().isJava8() ? VERSION_1_8 : VERSION_11
-logger.lifecycle("Java source compatibility: {}", sourceCompatibility)
-logger.lifecycle("Java target compatibility: {}", targetCompatibility)
 logger.lifecycle("Quasar version: {}", quasar_version)
 logger.lifecycle("Quasar classifier: {}", quasar_classifier.toString())
 logger.lifecycle("Building Corda version: {}", corda_release_version)
+logger.lifecycle("User home: {}", System.getProperty('user.home'))
 
 allprojects {
-    apply plugin: 'kotlin'
+    apply plugin: 'java'
+    apply plugin: 'kotlin-allopen'
     apply plugin: 'jacoco'
     apply plugin: 'org.owasp.dependencycheck'
-    apply plugin: 'kotlin-allopen'
     apply plugin: 'org.sonarqube'
 
     allOpen {
@@ -289,19 +242,6 @@ allprojects {
         )
     }
 
-    // we do this to allow for Gradle task caching.
-    // below block tells Gradle to ignore specifically the dymaically generated files in the manifest when checking if a file is up to date
-    // this has no impact on publishing or production of jar, This only reates to Grades mechamish for verifying the Cache key
-    normalization {
-        runtimeClasspath {
-            ignore("**/*.EC")  //signing related
-            ignore("**/*.SF")  //signing related
-            ignore("**/*.MF")
-            ignore("**/*.kotlin_module")
-            ignore("**/Cordapp-Dependencies")
-        }
-    }
-
     dependencyCheck {
         suppressionFile = '.ci/dependency-checker/suppressedLibraries.xml'
         cveValidForHours = 1
@@ -316,12 +256,17 @@ allprojects {
             nugetconfEnabled = false
         }
     }
-    sourceCompatibility = VERSION_1_8
+
-    targetCompatibility = JavaVersion.current().isJava8() ? VERSION_1_8 : VERSION_11
+    sourceCompatibility = VERSION_17
+    targetCompatibility = VERSION_17
 
     jacoco {
-        // JDK11 official support (https://github.com/jacoco/jacoco/releases/tag/v0.8.3)
+        toolVersion = "0.8.7"
-        toolVersion = "0.8.3"
+    }
+
+    java {
+        withSourcesJar()
+        withJavadocJar()
     }
 
     tasks.withType(JavaCompile).configureEach {
@@ -336,13 +281,13 @@ allprojects {
         options.encoding = 'UTF-8'
     }
 
-    tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).configureEach {
+    tasks.withType(KotlinCompile).configureEach {
-        kotlinOptions {
+        compilerOptions {
-            languageVersion = "1.2"
+            languageVersion = KOTLIN_1_9
-            apiVersion = "1.2"
+            apiVersion = KOTLIN_1_9
-            jvmTarget = VERSION_1_8
+            jvmTarget = JVM_17
             javaParameters = true   // Useful for reflection.
-            freeCompilerArgs = ['-Xjvm-default=compatibility']
+            freeCompilerArgs = ['-Xjvm-default=all-compatibility']
             allWarningsAsErrors = warnings_as_errors
         }
     }
@@ -362,15 +307,14 @@ allprojects {
             attributes('Corda-Docs-Link': corda_docs_link)
         }
     }
-    
+
     tasks.withType(Test).configureEach {
+        jvmArgs += project(":node:capsule").file("src/main/resources/node-jvm-args.txt").readLines()
+        jvmArgs += "--add-modules=jdk.incubator.foreign"  // For the SharedMemoryIncremental
         forkEvery = 20
         ignoreFailures = project.hasProperty('tests.ignoreFailures') ? project.property('tests.ignoreFailures').toBoolean() : false
         failFast = project.hasProperty('tests.failFast') ? project.property('tests.failFast').toBoolean() : false
 
-        // Prevent the project from creating temporary files outside of the build directory.
-        systemProperty 'java.io.tmpdir', buildDir.absolutePath
-
         maxHeapSize = "1g"
 
         if (project.path.startsWith(':experimental') && System.getProperty("experimental.test.enable") == null) {
@@ -380,25 +324,18 @@ allprojects {
         // Required to use Gradle build cache (until Gradle 5.0 is released with default value of "append" set to false)
         // See https://github.com/gradle/gradle/issues/5269 and https://github.com/gradle/gradle/pull/6419
         extensions.configure(TypeOf.typeOf(JacocoTaskExtension)) { ex ->
-            ex.append = false
+//            ex.append = false
         }
 
-        maxParallelForks = (System.env.CORDA_TESTING_FORKS == null) ? 1 : "$System.env.CORDA_TESTING_FORKS".toInteger()
-
-        systemProperty 'java.security.egd', 'file:/dev/./urandom'
-    }
-
-    tasks.withType(Test).configureEach {
         if (name.contains("integrationTest")) {
             maxParallelForks = (System.env.CORDA_INT_TESTING_FORKS == null) ? 1 : "$System.env.CORDA_INT_TESTING_FORKS".toInteger()
+        } else {
+            maxParallelForks = (System.env.CORDA_TESTING_FORKS == null) ? 1 : "$System.env.CORDA_TESTING_FORKS".toInteger()
         }
-    }
 
-    if (jdkClassifier) {
+        // Prevent the project from creating temporary files outside of the build directory.
-        jar {
+        systemProperty 'java.io.tmpdir', buildDir.absolutePath
-            // JDK11 built and published artifacts to include classifier
+        systemProperty 'java.security.egd', 'file:/dev/./urandom'
-            archiveClassifier = jdkClassifier
-        }
     }
 
     group 'net.corda'
@@ -439,6 +376,16 @@ allprojects {
                     includeGroup 'com.github.bft-smart'
                     includeGroup 'com.github.detro'
                 }
+                metadataSources {
+                    mavenPom()
+                    artifact()
+                }
+            }
+            maven {
+                url "${publicArtifactURL}/corda-dependencies-dev"
+                content {
+                    includeGroup 'co.paralleluniverse'
+                }
             }
             maven {
                 url "${publicArtifactURL}/corda-dev"
@@ -468,12 +415,12 @@ allprojects {
     }
 
     configurations {
-        all {
+        configureEach {
             resolutionStrategy {
-                // Force dependencies to use the same version of Kotlin as Corda.
+                if (pluginManager.hasPlugin("org.jetbrains.kotlin.jvm")) {
-                force "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+                    // Force dependencies to use the same version of Kotlin as Corda.
-                force "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+                    force "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
-                force "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
+                }
 
                 // Force dependencies to use the same version of Guava as Corda.
                 force "com.google.guava:guava:$guava_version"
@@ -508,7 +455,7 @@ allprojects {
                     substitute module('commons-logging:commons-logging') with module("org.slf4j:jcl-over-slf4j:$slf4j_version")
 
                     // Remove any transitive dependency on Logback (e.g. Liquibase 3.6 introduces this dependency)
-                    substitute module('ch.qos.logback:logback-classic') with module("org.apache.logging.log4j:log4j-slf4j-impl:$log4j_version")
+                    substitute module('ch.qos.logback:logback-classic') with module("org.apache.logging.log4j:log4j-slf4j2-impl:$log4j_version")
 
                     // Netty-All is an uber-jar which contains every Netty module.
                     // Exclude it to force us to use the individual Netty modules instead.
@@ -519,27 +466,32 @@ allprojects {
 
                     // Effectively delete this unused and unwanted transitive dependency of Artemis.
                     substitute module('org.jgroups:jgroups') with module("org.apache.activemq:artemis-commons:$artemis_version")
-                }
-            }
-        }
 
-        // Select all of the compileClasspath and runtimeClasspath etc configurations,
+                    // Force use of LTS version of BC everywhere
-        // but NOT the "classpath" configuration, as that is used by the Gradle plugins.
+                    substitute module('org.bouncycastle:bcutil-jdk18on') with module("org.bouncycastle:bcutil-lts8on:$bouncycastle_version")
-        matching { it.name.endsWith("Classpath") }.configureEach { cfg ->
+                    substitute module('org.bouncycastle:bcprov-jdk18on') with module("org.bouncycastle:bcprov-lts8on:$bouncycastle_version")
-            cfg.resolutionStrategy {
+                    substitute module('org.bouncycastle:bcpkix-jdk18on') with module("org.bouncycastle:bcpkix-lts8on:$bouncycastle_version")
-                dependencySubstitution {
-                    // Force dependencies to use the same version of Kotlin as Corda.
-                    substitute module('org.jetbrains.kotlin:kotlin-stdlib-jdk8') with module("org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version")
-                    substitute module('org.jetbrains.kotlin:kotlin-stdlib-jdk7') with module("org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version")
-                    substitute module('org.jetbrains.kotlin:kotlin-stdlib-common') with module("org.jetbrains.kotlin:kotlin-stdlib-common:$kotlin_version")
-                    substitute module('org.jetbrains.kotlin:kotlin-stdlib') with module("org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version")
-                    substitute module('org.jetbrains.kotlin:kotlin-reflect') with module("org.jetbrains.kotlin:kotlin-reflect:$kotlin_version")
                 }
 
                 // FORCE Gradle to use latest SNAPSHOT dependencies.
                 cacheChangingModulesFor 0, 'seconds'
             }
         }
+
+        if (pluginManager.hasPlugin("org.jetbrains.kotlin.jvm")) {
+            // Select all of the compileClasspath and runtimeClasspath etc configurations,
+            // but NOT the "classpath" configuration, as that is used by the Gradle plugins.
+            matching { it.name.endsWith("Classpath") }.configureEach { cfg ->
+                cfg.resolutionStrategy {
+                    dependencySubstitution {
+                        // Force dependencies to use the same version of Kotlin as Corda.
+                        substitute module('org.jetbrains.kotlin:kotlin-stdlib-common') with module("org.jetbrains.kotlin:kotlin-stdlib-common:$kotlin_version")
+                        substitute module('org.jetbrains.kotlin:kotlin-stdlib') with module("org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version")
+                        substitute module('org.jetbrains.kotlin:kotlin-reflect') with module("org.jetbrains.kotlin:kotlin-reflect:$kotlin_version")
+                    }
+                }
+            }
+        }
     }
 }
 
@@ -554,37 +506,29 @@ sonarqube {
     }
 }
 
-// Check that we are running on a Java 8 JDK. The source/targetCompatibility values above aren't sufficient to
-// guarantee this because those are properties checked by the Java plugin, but we're using Kotlin.
-//
-// We recommend a specific minor version (unfortunately, not checkable directly) because JavaFX adds APIs in
-// minor releases, so we can't work with just any Java 8, it has to be a recent one.
-if (!JavaVersion.current().java8Compatible)
-    throw new GradleException("Corda requires Java 8, please upgrade to at least 1.8.0_$java8_minUpdateVersion")
-
 configurations {
     detekt
 }
 
 // Required for building out the fat JAR.
 dependencies {
-    compile project(':node')
+    implementation project(':node')
-    compile "com.google.guava:guava:$guava_version"
+    implementation "com.google.guava:guava:$guava_version"
 
-    // Set to corda compile to ensure it exists now deploy nodes no longer relies on build
+    // Set to corda implementation to ensure it exists now deploy nodes no longer relies on build
-    compile project(path: ":node:capsule", configuration: 'runtimeArtifacts')
+    implementation project(path: ":node:capsule", configuration: 'runtimeArtifacts')
-    compile project(path: ":testing:testserver:testcapsule:", configuration: 'runtimeArtifacts')
+    implementation project(path: ":testing:testserver:testcapsule:", configuration: 'runtimeArtifacts')
 
     // For the buildCordappDependenciesJar task
-    runtime project(':client:jfx')
+    runtimeOnly project(':client:jfx')
-    runtime project(':client:mock')
+    runtimeOnly project(':client:mock')
-    runtime project(':client:rpc')
+    runtimeOnly project(':client:rpc')
-    runtime project(':core')
+    runtimeOnly project(':core')
-    runtime project(':confidential-identities')
+    runtimeOnly project(':confidential-identities')
-    runtime project(':finance:workflows')
+    runtimeOnly project(':finance:workflows')
-    runtime project(':finance:contracts')
+    runtimeOnly project(':finance:contracts')
-    runtime project(':testing:testserver')
+    runtimeOnly project(':testing:testserver')
-    testCompile project(':test-utils')
+    testImplementation project(':test-utils')
     detekt 'io.gitlab.arturbosch.detekt:detekt-cli:1.0.1'
 }
 
@@ -593,16 +537,16 @@ jar {
     enabled = false
 }
 
-task jacocoRootReport(type: org.gradle.testing.jacoco.tasks.JacocoReport) {
+tasks.register('jacocoRootReport', JacocoReport) {
     dependsOn = subprojects.test
-    additionalSourceDirs = files(subprojects.sourceSets.main.allSource.srcDirs)
+//    additionalSourceDirs = files(subprojects.sourceSets.main.allSource.srcDirs)
-    sourceDirectories = files(subprojects.sourceSets.main.allSource.srcDirs)
+//    sourceDirectories = files(subprojects.sourceSets.main.allSource.srcDirs)
-    classDirectories = files(subprojects.sourceSets.main.output)
+//    classDirectories = files(subprojects.sourceSets.main.output)
-    executionData = files(subprojects.jacocoTestReport.executionData)
+//    executionData = files(subprojects.jacocoTestReport.executionData)
     reports {
-        html.enabled = true
+        html.required = true
-        xml.enabled = true
+        xml.required = true
-        csv.enabled = false
+        csv.required = false
     }
     onlyIf = {
         true
@@ -622,13 +566,13 @@ tasks.register('detekt', JavaExec) {
     def plugins = detektPluginsJar.outputs.files.singleFile
     def params = ['-i', input, '-c', config, '-b', baseline, '--plugins', plugins]
     inputs.files(detektPluginsJar, config, baseline)
-    main = "io.gitlab.arturbosch.detekt.cli.Main"
+    mainClass = "io.gitlab.arturbosch.detekt.cli.Main"
     classpath = configurations.detekt
     args(params)
 }
 
 tasks.register('detektBaseline', JavaExec) {
-    main = "io.gitlab.arturbosch.detekt.cli.Main"
+    mainClass = "io.gitlab.arturbosch.detekt.cli.Main"
     classpath = configurations.detekt
     def input = "$projectDir"
     def config = "$projectDir/detekt-config.yml, $projectDir/detekt-baseline-config.yml"
@@ -638,103 +582,28 @@ tasks.register('detektBaseline', JavaExec) {
 }
 
 tasks.withType(Test).configureEach {
-    reports.html.destination = file("${reporting.baseDir}/${name}")
+    reports.html.outputLocation.set(file("${reporting.baseDir}/${name}"))
 }
 
-task testReport(type: TestReport) {
+tasks.register('testReport', TestReport) {
     destinationDir = file("$buildDir/reports/allTests")
     // Include the results from the `test` task in all subprojects
     reportOn subprojects*.test
 }
 
-bintrayConfig {
-    user = System.getenv('CORDA_BINTRAY_USER')
-    key = System.getenv('CORDA_BINTRAY_KEY')
-    repo = 'corda'
-    org = 'r3'
-    licenses = ['Apache-2.0']
-    vcsUrl = 'https://github.com/corda/corda'
-    projectUrl = 'https://github.com/corda/corda'
-    gpgSign = true
-    gpgPassphrase = System.getenv('CORDA_BINTRAY_GPG_PASSPHRASE')
-    publications = [
-            'corda-opentelemetry',
-            'corda-opentelemetry-driver',
-            'corda-jfx',
-            'corda-mock',
-            'corda-rpc',
-            'corda-core',
-            'corda',
-            'corda-finance-workflows',
-            'corda-finance-contracts',
-            'corda-node',
-            'corda-node-api',
-            'corda-test-common',
-            'corda-core-test-utils',
-            'corda-test-utils',
-            'corda-test-db',
-            'corda-jackson',
-            'corda-testserver-impl',
-            'corda-testserver',
-            'corda-node-driver',
-            'corda-confidential-identities',
-            'corda-shell',
-            'corda-tools-shell-cli',
-            'corda-serialization',
-            'corda-tools-blob-inspector',
-            'corda-tools-explorer',
-            'corda-tools-network-bootstrapper',
-            'corda-tools-cliutils',
-            'corda-common-configuration-parsing',
-            'corda-common-validation',
-            'corda-common-logging',
-            'corda-tools-network-builder',
-            'corda-tools-checkpoint-agent'
-    ]
-    license {
-        name = 'Apache-2.0'
-        url = 'https://www.apache.org/licenses/LICENSE-2.0'
-        distribution = 'repo'
-    }
-    developer {
-        id = 'R3'
-        name = 'R3'
-        email = 'dev@corda.net'
-    }
-}
-
-// Build a ZIP of all JARs required to compile the Cordapp template
 // Note: corda.jar is used at runtime so no runtime ZIP is necessary.
 // Resulting ZIP can be found in "build/distributions"
-task buildCordappDependenciesZip(type: Zip) {
+tasks.register('buildCordappDependenciesZip', Zip) {
     baseName 'corda-deps'
-    from configurations.runtime
+    from configurations.runtimeOnly
-    from configurations.compile
+    from configurations.implementation
-    from configurations.testCompile
+    from configurations.testImplementation
     from buildscript.configurations.classpath
     from 'node/capsule/NOTICE' // CDDL notice
     duplicatesStrategy = DuplicatesStrategy.EXCLUDE
 }
 
-artifactory {
+tasks.register('generateApi', GenerateApi) {
-    publish {
-        contextUrl = artifactory_contextUrl
-        repository {
-            repoKey = 'corda-dev'
-            username = System.getenv('CORDA_ARTIFACTORY_USERNAME')
-            password = System.getenv('CORDA_ARTIFACTORY_PASSWORD')
-        }
-
-        defaults {
-            // Root project applies the plugin (for this block) but does not need to be published
-            if (project != rootProject) {
-                publications(project.extensions.publish.name())
-            }
-        }
-    }
-}
-
-tasks.register('generateApi', net.corda.plugins.apiscanner.GenerateApi) {
     baseName = "api-corda"
 }
 
@@ -770,7 +639,7 @@ if (file('corda-docs-only-build').exists() || (System.getenv('CORDA_DOCS_ONLY_BU
 }
 
 wrapper {
-    gradleVersion = '5.6.4'
+    gradleVersion = '7.6.4'
     distributionType = Wrapper.DistributionType.ALL
 }
 

buildCacheSettings.gradle

@@ -0,0 +1,16 @@
+// Gradle Build Cache configuration recommendation: https://docs.gradle.org/current/userguide/build_cache.html
+ext {
+    isCiServer = System.getenv().containsKey("CORDA_CI")
+    gradleBuildCacheURL = System.getenv().containsKey("GRADLE_BUILD_CACHE_URL") ? System.getenv().get("GRADLE_BUILD_CACHE_URL") : 'http://localhost:5071/cache/'
+}
+
+buildCache {
+    local {
+        enabled = !isCiServer
+    }
+    remote(HttpBuildCache) {
+        enabled = isCiServer
+        url = gradleBuildCacheURL
+        push = isCiServer
+    }
+}

buildSrc/build.gradle

@@ -1,11 +1,56 @@
+plugins {
+    id 'groovy-gradle-plugin'
+}
+
 Properties constants = new Properties()
 file("$rootDir/../constants.properties").withInputStream { constants.load(it) }
 
+def internalPublishVersion = constants.getProperty('internalPublishVersion')
+def artifactoryContextUrl = constants.getProperty('artifactoryContextUrl')
+
 repositories {
-    mavenCentral()
+    def cordaUseCache = System.getenv("CORDA_USE_CACHE")
+    if (cordaUseCache != null) {
+        maven {
+            url = "${artifactoryContextUrl}/${cordaUseCache}"
+            name = "R3 Maven remote repositories"
+            authentication {
+                basic(BasicAuthentication)
+            }
+            credentials {
+                username = findProperty('cordaArtifactoryUsername') ?: System.getenv('CORDA_ARTIFACTORY_USERNAME')
+                password = findProperty('cordaArtifactoryPassword') ?: System.getenv('CORDA_ARTIFACTORY_PASSWORD')
+            }
+            metadataSources {
+                mavenPom()
+                artifact()
+                ignoreGradleMetadataRedirection()
+            }
+        }
+    } else {
+        maven {
+            url "${artifactoryContextUrl}/engineering-tools-maven"
+            authentication {
+                basic(BasicAuthentication)
+            }
+            credentials {
+                username = findProperty('cordaArtifactoryUsername') ?: System.getenv('CORDA_ARTIFACTORY_USERNAME')
+                password = findProperty('cordaArtifactoryPassword') ?: System.getenv('CORDA_ARTIFACTORY_PASSWORD')
+            }
+            content {
+                includeGroupByRegex 'com\\.r3\\.internal(\\..*)?'
+            }
+        }
+        gradlePluginPortal()
+    }
 }
 
 dependencies {
-    compile group: 'com.github.docker-java', name: 'docker-java', version: constants.dockerJavaVersion
+    implementation "com.github.docker-java:docker-java:$constants.dockerJavaVersion"
-    compile group: 'com.github.docker-java', name: 'docker-java-transport-httpclient5', version: constants.dockerJavaVersion
+    implementation "com.github.docker-java:docker-java-transport-httpclient5:$constants.dockerJavaVersion"
+    implementation "org.jooq:joor:$constants.joorVersion"
+
+    if (System.getenv('CORDA_ARTIFACTORY_USERNAME') != null || project.hasProperty('cordaArtifactoryUsername')) {
+        implementation "com.r3.internal.gradle.plugins:publish:$internalPublishVersion"
+    }
 }

buildSrc/src/main/groovy/corda.common-publishing.gradle

@@ -0,0 +1,92 @@
+import groovy.transform.CompileStatic
+
+// plugin to cater for R3 vs Non R3 users building code base. R3 employees will leverage internal plugins non
+// R3 users will use standard Maven publishing conventions as provided by the Maven-publish gradle plugin
+if (System.getenv('CORDA_ARTIFACTORY_USERNAME') != null || project.hasProperty('cordaArtifactoryUsername')) {
+    logger.info("Internal R3 user - resolving publication build dependencies from internal plugins")
+    pluginManager.apply('com.r3.internal.gradle.plugins.r3Publish')
+    afterEvaluate {
+        publishing {
+            publications {
+                configureEach {
+                    def repo = "https://github.com/corda/corda"
+                    pom {
+                        description = project.description
+                        name = project.name
+                        url = repo
+                        scm {
+                            url = repo
+                        }
+                        licenses {
+                            license {
+                                name = 'Apache-2.0'
+                                url = 'https://www.apache.org/licenses/LICENSE-2.0'
+                                distribution = 'repo'
+                            }
+                        }
+
+                        developers {
+                            developer {
+                                id = 'R3'
+                                name = 'R3'
+                                email = 'dev@corda.net'
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+} else {
+    logger.info("External user - using standard maven publishing")
+    pluginManager.apply('maven-publish')
+    pluginManager.withPlugin('java') {
+        afterEvaluate {
+            publishing {
+                if (publications.isEmpty()) {
+                    // If we haven't already created a MavenPublication then create one now.
+                    publications {
+                        maven(MavenPublication) {
+                            artifactId = tasks.named('jar', Jar).flatMap { it.archiveBaseName }.get()
+                            groupId group.toString()
+                            from findSoftwareComponent(components).get()
+
+                            if (artifacts.matching { it.classifier == 'sources' }.isEmpty()) {
+                                try {
+                                    artifact tasks.named('sourcesJar', Jar)
+                                } catch (UnknownTaskException ignored) {
+                                }
+                            }
+
+                            try {
+                                artifact tasks.named('javadocJar', Jar)
+                            } catch (UnknownTaskException ignored) {
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    tasks.withType(GenerateModuleMetadata).configureEach {
+        enabled = false
+    }
+
+    tasks.register('install') {
+        dependsOn 'publishToMavenLocal'
+    }
+}
+
+@CompileStatic
+private static Provider<SoftwareComponent> findSoftwareComponent(SoftwareComponentContainer components) {
+    try {
+        return components.named('cordapp')
+    } catch (UnknownDomainObjectException ignored) {
+        try {
+            return components.named('kotlin')
+        } catch (UnknownDomainObjectException ignored2) {
+            return components.named('java')
+        }
+    }
+}

buildSrc/src/main/groovy/corda.kotlin-1.2.gradle

@@ -0,0 +1,91 @@
+import org.gradle.api.internal.file.DefaultSourceDirectorySet
+
+import static org.joor.Reflect.onClass
+
+pluginManager.apply(Kotlin12Plugin.class)
+
+// We cannot use the 1.2 Kotlin plugin as it only works with a very old version of Gradle, which itself will only work on Java 8. So we need
+// our own plugin which calls the 1.2 compiler directly.
+class Kotlin12Plugin implements Plugin<Project> {
+    private static final KOTLIN_VERSION = "1.2.71"
+
+    @Override
+    void apply(Project project) {
+        project.pluginManager.apply(JavaPlugin.class)
+
+        project.extensions.add("kotlin_1_2_version", KOTLIN_VERSION)
+        project.dependencies.add("implementation", "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$KOTLIN_VERSION")
+
+        def kotlinCompilerConfiguration = project.configurations.create("kotlinCompiler")
+        project.dependencies.add("kotlinCompiler", "org.jetbrains.kotlin:kotlin-compiler:$KOTLIN_VERSION")
+
+        project.extensions.getByType(JavaPluginExtension.class).sourceSets.configureEach { sourceSet ->
+            // Create the "src/*/kotlin" SourceDirectorySet, alongside the "java" one
+            def kotlinSourceDirectorySet = new DefaultSourceDirectorySet(project.objects.sourceDirectorySet("kotlin", "${sourceSet.displayName} Kotlin source"))
+            sourceSet.extensions.add(SourceDirectorySet.class, "kotlin", kotlinSourceDirectorySet)
+            kotlinSourceDirectorySet.filter.include("**/*.java", "**/*.kt")
+            kotlinSourceDirectorySet.srcDir(project.file("src/${sourceSet.name}/kotlin"))
+
+            def allKotlin = project.objects.sourceDirectorySet("allkotlin", "${sourceSet.displayName} Kotlin source")
+            allKotlin.filter.include("**/*.kt")
+            allKotlin.source(kotlinSourceDirectorySet)
+
+            sourceSet.allJava.source(kotlinSourceDirectorySet)
+            sourceSet.allSource.source(kotlinSourceDirectorySet)
+
+            def kotlinBuildDir = project.layout.buildDirectory.dir("classes/kotlin/${sourceSet.name}")
+            sourceSet.output.dir(kotlinBuildDir)
+
+            def taskSourceSetName = isMain(sourceSet) ? "" : sourceSet.name.capitalize()
+
+            def compileKotlin = project.tasks.register("compile${taskSourceSetName}Kotlin", KotlinCompile.class) { task ->
+                // The 1.2 compiler needs to be laoded in a separate class loader, as the build classpath already contains its own version
+                // of Kotlin.
+                task.compilerClasspath.from(kotlinCompilerConfiguration)
+                task.source(allKotlin)
+                // Paradoxically, the Java sources are also required by the Kotlin compiler. This is actually so that it can correctly
+                // resolve any references the Kotlin code makes to Java code.
+                task.source(sourceSet.allJava)
+                task.classpath = sourceSet.compileClasspath
+                task.destinationDirectory = kotlinBuildDir
+            }
+
+            // Compiling the Java code needs the compiled Kotlin code first
+            project.tasks.named("compile${taskSourceSetName}Java", JavaCompile.class) { task ->
+                task.classpath += project.files(compileKotlin.map { it.destinationDirectory })
+            }
+        }
+    }
+}
+
+abstract class KotlinCompile extends AbstractCompile {
+    @Classpath
+    abstract ConfigurableFileCollection getCompilerClasspath()
+
+    @TaskAction
+    void compile() {
+        def args = [
+                "-jvm-target", "1.8",
+                "-language-version", "1.2",
+                "-api-version", "1.2",
+                "-java-parameters",
+                "-Xjvm-default=compatibility",
+                "-no-stdlib",
+                "-Xallow-kotlin-package",  // We may have copies of stdlib APIs (see `core-1.2`)
+                "-cp", classpath.asPath,
+                "-d", destinationDirectory.get().asFile.absolutePath
+        ]
+        args.addAll(source.collect { it.absolutePath })
+
+        logger.info("args: {}", args)
+
+        def compilerClassLoader = new URLClassLoader(compilerClasspath.collect { it.toURI().toURL() } as URL[])
+        def exitCode = onClass("org.jetbrains.kotlin.cli.jvm.K2JVMCompiler", compilerClassLoader)
+                .create()
+                .call("exec", System.err, args as String[])
+                .get()
+        if (exitCode.toString() != "OK") {
+            throw new GradleException("Compilation error. See log for more details")
+        }
+    }
+}

buildSrc/src/main/groovy/corda.root-publish.gradle

@@ -0,0 +1,6 @@
+// Apply artifactory r3ArtifactoryPublish plugin
+if (System.getenv('CORDA_ARTIFACTORY_USERNAME') != null || project.hasProperty('cordaArtifactoryUsername')) {
+    project.pluginManager.apply('com.r3.internal.gradle.plugins.r3ArtifactoryPublish')
+}
+
+project.pluginManager.apply('maven-publish')

client/jackson/build.gradle

@@ -1,25 +1,36 @@
-apply plugin: 'java'
+apply plugin: 'org.jetbrains.kotlin.jvm'
-apply plugin: 'kotlin'
-apply plugin: 'net.corda.plugins.publish-utils'
 apply plugin: 'net.corda.plugins.api-scanner'
-apply plugin: 'com.jfrog.artifactory'
+apply plugin: 'corda.common-publishing'
+
+description 'Corda Jackson module'
 
 dependencies {
-    compile project(':serialization')
+    api project(':core')
+
+    implementation project(':serialization')
 
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     // Jackson and its plugins: parsing to/from JSON and other textual formats.
-    compile("com.fasterxml.jackson.module:jackson-module-kotlin:$jackson_kotlin_version") {
+    implementation("com.fasterxml.jackson.module:jackson-module-kotlin:$jackson_kotlin_version") {
         exclude module: "jackson-databind"
     }
     // Yaml is useful for parsing strings to method calls.
-    compile "com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:$jackson_version"
+    implementation "com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:$jackson_version"
     // This adds support for java.time types.
-    compile "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:$jackson_version"
+    implementation "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:$jackson_version"
-    compile "com.google.guava:guava:$guava_version"
+    implementation "com.google.guava:guava:$guava_version"
 
-    testCompile project(':test-utils')
+    // Bouncy castle support needed for X509 certificate manipulation
-    testCompile project(path: ':core', configuration: 'testArtifacts')
+    implementation "org.bouncycastle:bcprov-lts8on:${bouncycastle_version}"
+    implementation "org.bouncycastle:bcpkix-lts8on:${bouncycastle_version}"
+    implementation "org.slf4j:slf4j-api:$slf4j_version"
+
+    testImplementation project(':finance:workflows')
+    testImplementation project(':node-api')
+    testImplementation project(':test-common')
+    testImplementation project(':core-test-utils')
+    testImplementation project(':test-utils')
+    testImplementation project(":node-driver")
+    testImplementation project(path: ':core', configuration: 'testArtifacts')
 
     testImplementation "org.junit.jupiter:junit-jupiter-api:${junit_jupiter_version}"
     testImplementation "junit:junit:$junit_version"
@@ -28,7 +39,7 @@ dependencies {
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:${junit_jupiter_version}"
     testRuntimeOnly "org.junit.platform:junit-platform-launcher:${junit_platform_version}"
 
-    testCompile "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
+    testImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
     
 }
 
@@ -39,6 +50,11 @@ jar {
     }
 }
 
-publish {
+publishing {
-    name jar.baseName
+    publications {
-}
+        maven(MavenPublication) {
+            artifactId jar.baseName
+            from components.java
+        }
+    }
+}

client/jackson/src/main/kotlin/net/corda/client/jackson/JacksonSupport.kt

@@ -24,7 +24,7 @@ import com.fasterxml.jackson.databind.deser.BeanDeserializerModifier
 import com.fasterxml.jackson.databind.deser.std.NumberDeserializers
 import com.fasterxml.jackson.databind.node.ObjectNode
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
-import com.fasterxml.jackson.module.kotlin.KotlinModule
+import com.fasterxml.jackson.module.kotlin.kotlinModule
 import net.corda.client.jackson.internal.CordaModule
 import net.corda.client.jackson.internal.ToStringSerialize
 import net.corda.client.jackson.internal.jsonObject
@@ -197,7 +197,7 @@ object JacksonSupport {
                 addSerializer(Date::class.java, DateSerializer)
             })
             registerModule(CordaModule())
-            registerModule(KotlinModule().apply {
+            registerModule(kotlinModule().apply {
                 setDeserializerModifier(KotlinObjectDeserializerModifier)
             })
 

client/jackson/src/main/kotlin/net/corda/client/jackson/StringToMethodCallParser.kt

@@ -120,7 +120,7 @@ open class StringToMethodCallParser<in T : Any> @JvmOverloads constructor(
     }
 
     /**
-     * Uses either Kotlin or Java 8 reflection to learn the names of the parameters to a method.
+     * Uses either Kotlin or Java reflection to learn the names of the parameters to a method.
      */
     open fun paramNamesFromMethod(method: Method): List<String> {
         val kf: KFunction<*>? = method.kotlinFunction
@@ -135,7 +135,7 @@ open class StringToMethodCallParser<in T : Any> @JvmOverloads constructor(
     }
 
     /**
-     * Uses either Kotlin or Java 8 reflection to learn the names of the parameters to a constructor.
+     * Uses either Kotlin or Java reflection to learn the names of the parameters to a constructor.
      */
     open fun paramNamesFromConstructor(ctor: Constructor<*>): List<String> {
         val kf: KFunction<*>? = ctor.kotlinFunction

client/jackson/src/main/kotlin/net/corda/client/jackson/internal/CordaModule.kt

@@ -95,7 +95,8 @@ import java.math.BigDecimal
 import java.security.PublicKey
 import java.security.cert.CertPath
 import java.time.Instant
-import java.util.*
+import java.util.Currency
+import java.util.UUID
 
 class CordaModule : SimpleModule("corda-core") {
     override fun setupModule(context: SetupContext) {
@@ -256,6 +257,7 @@ private data class StxJson(
 private interface WireTransactionMixin
 
 private class WireTransactionSerializer : JsonSerializer<WireTransaction>() {
+    @Suppress("INVISIBLE_MEMBER")
     override fun serialize(value: WireTransaction, gen: JsonGenerator, serializers: SerializerProvider) {
         gen.writeObject(WireTransactionJson(
                 value.digestService,
@@ -265,7 +267,7 @@ private class WireTransactionSerializer : JsonSerializer<WireTransaction>() {
                 value.outputs,
                 value.commands,
                 value.timeWindow,
-                value.attachments,
+                value.legacyAttachments.map { "$it-legacy" } + value.nonLegacyAttachments.map { it.toString() },
                 value.references,
                 value.privacySalt,
                 value.networkParametersHash
@@ -276,15 +278,18 @@ private class WireTransactionSerializer : JsonSerializer<WireTransaction>() {
 private class WireTransactionDeserializer : JsonDeserializer<WireTransaction>() {
     override fun deserialize(parser: JsonParser, ctxt: DeserializationContext): WireTransaction {
         val wrapper = parser.readValueAs<WireTransactionJson>()
+        // We're not concerned with backwards compatibility for any JSON string that was created with 4.11 and being materialised in 4.12.
+        val (legacyAttachments, newerAttachments) = wrapper.attachments.partition { it.endsWith("-legacy") }
         val componentGroups = createComponentGroups(
                 wrapper.inputs,
                 wrapper.outputs,
                 wrapper.commands,
-                wrapper.attachments,
+                newerAttachments.map(SecureHash::parse),
                 wrapper.notary,
                 wrapper.timeWindow,
                 wrapper.references,
-                wrapper.networkParametersHash
+                wrapper.networkParametersHash,
+                legacyAttachments.map { SecureHash.parse(it.removeSuffix("-legacy")) }
         )
         return WireTransaction(componentGroups, wrapper.privacySalt, wrapper.digestService ?: DigestService.sha2_256)
     }
@@ -297,10 +302,11 @@ private class WireTransactionJson(@get:JsonInclude(Include.NON_NULL) val digestS
                                   val outputs: List<TransactionState<*>>,
                                   val commands: List<Command<*>>,
                                   val timeWindow: TimeWindow?,
-                                  val attachments: List<SecureHash>,
+                                  val attachments: List<String>,
                                   val references: List<StateRef>,
                                   val privacySalt: PrivacySalt,
-                                  val networkParametersHash: SecureHash?)
+                                  val networkParametersHash: SecureHash?
+)
 
 private interface TransactionStateMixin {
     @get:JsonTypeInfo(use = JsonTypeInfo.Id.CLASS)

client/jackson/src/test/kotlin/net/corda/client/jackson/JacksonSupportTest.kt

@@ -8,27 +8,36 @@ import com.fasterxml.jackson.databind.node.ObjectNode
 import com.fasterxml.jackson.databind.node.TextNode
 import com.fasterxml.jackson.dataformat.yaml.YAMLFactory
 import com.fasterxml.jackson.module.kotlin.convertValue
-import com.nhaarman.mockito_kotlin.any
-import com.nhaarman.mockito_kotlin.doReturn
-import com.nhaarman.mockito_kotlin.mock
-import com.nhaarman.mockito_kotlin.whenever
-import com.nhaarman.mockito_kotlin.spy
 import net.corda.client.jackson.internal.childrenAs
 import net.corda.client.jackson.internal.valueAs
-import net.corda.core.contracts.*
+import net.corda.core.contracts.Amount
+import net.corda.core.contracts.Command
+import net.corda.core.contracts.LinearState
+import net.corda.core.contracts.PrivacySalt
+import net.corda.core.contracts.StateRef
+import net.corda.core.contracts.TimeWindow
+import net.corda.core.contracts.TransactionState
+import net.corda.core.contracts.UniqueIdentifier
 import net.corda.core.cordapp.CordappProvider
-import net.corda.core.crypto.*
 import net.corda.core.crypto.CompositeKey
+import net.corda.core.crypto.Crypto
+import net.corda.core.crypto.DigestService
+import net.corda.core.crypto.DigitalSignature
+import net.corda.core.crypto.PartialMerkleTree
 import net.corda.core.crypto.PartialMerkleTree.PartialTree
-import net.corda.core.identity.*
+import net.corda.core.crypto.SecureHash
-import net.corda.core.internal.AbstractAttachment
+import net.corda.core.crypto.SignatureMetadata
+import net.corda.core.crypto.SignatureScheme
+import net.corda.core.crypto.TransactionSignature
+import net.corda.core.crypto.secureRandomBytes
+import net.corda.core.identity.AbstractParty
+import net.corda.core.identity.AnonymousParty
+import net.corda.core.identity.CordaX500Name
+import net.corda.core.identity.Party
+import net.corda.core.identity.PartyAndCertificate
 import net.corda.core.internal.DigitalSignatureWithCert
 import net.corda.core.node.NodeInfo
 import net.corda.core.node.ServiceHub
-import net.corda.core.node.services.AttachmentStorage
-import net.corda.core.node.services.IdentityService
-import net.corda.core.node.services.NetworkParametersService
-import net.corda.core.node.services.TransactionStorage
 import net.corda.core.serialization.CordaSerializable
 import net.corda.core.serialization.SerializedBytes
 import net.corda.core.serialization.deserialize
@@ -37,14 +46,27 @@ import net.corda.core.transactions.CoreTransaction
 import net.corda.core.transactions.SignedTransaction
 import net.corda.core.transactions.TransactionBuilder
 import net.corda.core.transactions.WireTransaction
-import net.corda.core.utilities.*
+import net.corda.core.utilities.ByteSequence
+import net.corda.core.utilities.NetworkHostAndPort
+import net.corda.core.utilities.OpaqueBytes
+import net.corda.core.utilities.days
+import net.corda.core.utilities.hours
+import net.corda.core.utilities.toBase58String
+import net.corda.core.utilities.toBase64
+import net.corda.core.utilities.toHexString
+import net.corda.coretesting.internal.createNodeInfoAndSigned
+import net.corda.coretesting.internal.rigorousMock
 import net.corda.finance.USD
 import net.corda.nodeapi.internal.crypto.x509Certificates
 import net.corda.testing.common.internal.testNetworkParameters
 import net.corda.testing.contracts.DummyContract
-import net.corda.testing.core.*
+import net.corda.testing.core.ALICE_NAME
-import net.corda.coretesting.internal.createNodeInfoAndSigned
+import net.corda.testing.core.BOB_NAME
-import net.corda.coretesting.internal.rigorousMock
+import net.corda.testing.core.DUMMY_NOTARY_NAME
+import net.corda.testing.core.DummyCommandData
+import net.corda.testing.core.SerializationEnvironmentRule
+import net.corda.testing.core.TestIdentity
+import net.corda.testing.node.MockServices
 import org.assertj.core.api.Assertions.assertThat
 import org.assertj.core.api.Assertions.assertThatThrownBy
 import org.junit.Before
@@ -54,15 +76,22 @@ import org.junit.jupiter.api.TestFactory
 import org.junit.runner.RunWith
 import org.junit.runners.Parameterized
 import org.junit.runners.Parameterized.Parameters
+import org.mockito.kotlin.spy
+import org.mockito.kotlin.whenever
 import java.math.BigInteger
 import java.nio.charset.StandardCharsets.UTF_8
 import java.security.PublicKey
 import java.security.cert.CertPath
 import java.security.cert.X509Certificate
 import java.time.Instant
-import java.util.*
+import java.util.Currency
+import java.util.Date
+import java.util.UUID
 import javax.security.auth.x500.X500Principal
-import kotlin.collections.ArrayList
+import kotlin.collections.component1
+import kotlin.collections.component2
+import kotlin.collections.component3
+import kotlin.collections.component4
 
 @RunWith(Parameterized::class)
 class JacksonSupportTest(@Suppress("unused") private val name: String, factory: JsonFactory) {
@@ -90,23 +119,12 @@ class JacksonSupportTest(@Suppress("unused") private val name: String, factory:
 
     @Before
     fun setup() {
-        val unsignedAttachment = object : AbstractAttachment({ byteArrayOf() }, "test") {
+        services = MockServices(
-            override val id: SecureHash get() = throw UnsupportedOperationException()
+                listOf("net.corda.testing.contracts"),
-        }
+                MINI_CORP,
-
+                testNetworkParameters(minimumPlatformVersion = 4)
-        val attachments = rigorousMock<AttachmentStorage>().also {
+        )
-            doReturn(unsignedAttachment).whenever(it).openAttachment(any())
-        }
-        services = rigorousMock()
         cordappProvider = rigorousMock()
-        val networkParameters = testNetworkParameters(minimumPlatformVersion = 4)
-        val networkParametersService = rigorousMock<NetworkParametersService>().also {
-            doReturn(networkParameters.serialize().hash).whenever(it).currentHash
-        }
-        doReturn(networkParametersService).whenever(services).networkParametersService
-        doReturn(cordappProvider).whenever(services).cordappProvider
-        doReturn(networkParameters).whenever(services).networkParameters
-        doReturn(attachments).whenever(services).attachments
     }
 
     @Test(timeout=300_000)
@@ -263,17 +281,6 @@ class JacksonSupportTest(@Suppress("unused") private val name: String, factory:
     @Test(timeout=300_000)
 	fun `SignedTransaction (WireTransaction)`() {
         val attachmentId = SecureHash.randomSHA256()
-        doReturn(attachmentId).whenever(cordappProvider).getContractAttachmentID(DummyContract.PROGRAM_ID)
-        val attachmentStorage = rigorousMock<AttachmentStorage>()
-        doReturn(attachmentStorage).whenever(services).attachments
-        doReturn(mock<TransactionStorage>()).whenever(services).validatedTransactions
-        doReturn(mock<IdentityService>()).whenever(services).identityService
-        val attachment = rigorousMock<ContractAttachment>()
-        doReturn(attachment).whenever(attachmentStorage).openAttachment(attachmentId)
-        doReturn(attachmentId).whenever(attachment).id
-        doReturn(emptyList<Party>()).whenever(attachment).signerKeys
-        doReturn(setOf(DummyContract.PROGRAM_ID)).whenever(attachment).allContracts
-        doReturn("app").whenever(attachment).uploader
 
         val wtx = TransactionBuilder(
                 notary = DUMMY_NOTARY,

client/jackson/src/test/kotlin/net/corda/client/jackson/StringToMethodCallParserTest.kt

@@ -26,7 +26,7 @@ class StringToMethodCallParserTest {
             "simple" to "simple",
             "string noteTextWord: A test of barewords" to "A test of barewords",
             "twoStrings a: Some words, b: ' and some words, like, Kirk, would, speak'" to "Some words and some words, like, Kirk, would, speak",
-            "simpleObject hash: $randomHash" to randomHash.toUpperCase(),
+            "simpleObject hash: $randomHash" to randomHash.uppercase(Locale.getDefault()),
             "complexObject pair: { first: 12, second: Word up brother }" to Pair(12, "Word up brother"),
             "overload a: A" to "A",
             "overload a: A, b: B" to "AB"
@@ -51,7 +51,6 @@ class StringToMethodCallParserTest {
         val result = parser.parse(Target(), "complexNestedObject pairs: { first: 101, second: [ A, B, C ] }").invoke()
 
         assertTrue(result is Pair<*,*>)
-        result as Pair<*,*>
 
         assertEquals(101, result.first)
 

client/jfx/build.gradle

@@ -1,28 +1,27 @@
 // JDK 11 JavaFX
 plugins {
     id 'org.openjfx.javafxplugin' version '0.0.7' apply false
+    id 'corda.common-publishing'
 }
 
-if (JavaVersion.current().isJava9Compatible()) {
+apply plugin: 'org.openjfx.javafxplugin'
-    apply plugin: 'org.openjfx.javafxplugin'
+javafx {
-    javafx {
+    version = "11.0.2"
-        version = "11.0.2"
+    modules = [
-        modules = ['javafx.controls',
+        'javafx.controls',
-                   'javafx.fxml'
+        'javafx.fxml'
-        ]
+    ]
-    }
 }
-apply plugin: 'kotlin'
+
+apply plugin: 'org.jetbrains.kotlin.jvm'
 apply plugin: 'net.corda.plugins.quasar-utils'
-apply plugin: 'net.corda.plugins.publish-utils'
-apply plugin: 'com.jfrog.artifactory'
 
 description 'Corda client JavaFX modules'
 
 //noinspection GroovyAssignabilityCheck
 configurations {
-    integrationTestCompile.extendsFrom testCompile
+    integrationTestImplementation.extendsFrom testImplementation
-    integrationTestRuntime.extendsFrom testRuntime
+    integrationTestRuntime.extendsFrom testRuntimeOnly
 }
 
 sourceSets {
@@ -39,23 +38,26 @@ sourceSets {
 // build/reports/project/dependencies/index.html for green highlighted parts of the tree.
 
 dependencies {
-    compile project(':core')
+    implementation project(':core')
-    compile project(':finance:contracts')
+    implementation project(':finance:contracts')
-    compile project(':finance:workflows')
+    implementation project(':finance:workflows')
-    compile project(':client:rpc')
+    implementation project(':client:rpc')
 
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+    implementation "com.google.guava:guava:$guava_version"
-    compile "com.google.guava:guava:$guava_version"
+    implementation "io.reactivex:rxjava:$rxjava_version"
+
+    // For caches rather than guava
+    implementation "com.github.ben-manes.caffeine:caffeine:$caffeine_version"
 
     // ReactFX: Functional reactive UI programming.
-    compile 'org.reactfx:reactfx:2.0-M5'
+    implementation 'org.reactfx:reactfx:2.0-M5'
-    compile 'org.fxmisc.easybind:easybind:1.0.3'
+    implementation 'org.fxmisc.easybind:easybind:1.0.3'
 
     // Artemis Client: ability to connect to an Artemis broker and control it.
     // TODO: remove the forced update of commons-collections and beanutils when artemis updates them
-    compile "org.apache.commons:commons-collections4:${commons_collections_version}"
+    implementation "org.apache.commons:commons-collections4:${commons_collections_version}"
-    compile "commons-beanutils:commons-beanutils:${beanutils_version}"
+    implementation "commons-beanutils:commons-beanutils:${beanutils_version}"
-    compile("org.apache.activemq:artemis-core-client:${artemis_version}") {
+    implementation("org.apache.activemq:artemis-core-client:${artemis_version}") {
         exclude group: 'org.jgroups', module: 'jgroups'
     }
 
@@ -67,13 +69,14 @@ dependencies {
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:${junit_jupiter_version}"
     testRuntimeOnly "org.junit.platform:junit-platform-launcher:${junit_platform_version}"
 
-    testCompile "org.assertj:assertj-core:${assertj_version}"
+    testImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
+    testImplementation "org.assertj:assertj-core:${assertj_version}"
 
-    testCompile project(':test-utils')
+    testImplementation project(':test-utils')
 
     // Integration test helpers
-    integrationTestCompile "junit:junit:$junit_version"
+    integrationTestImplementation "junit:junit:$junit_version"
-    integrationTestCompile project(':node-driver')
+    integrationTestImplementation project(':node-driver')
 }
 
 task integrationTest(type: Test) {
@@ -88,6 +91,11 @@ jar {
     }
 }
 
-publish {
+publishing {
-    name jar.baseName
+    publications {
+        maven(MavenPublication) {
+            artifactId jar.baseName
+            from components.java
+        }
+    }
 }

client/jfx/src/main/kotlin/net/corda/client/jfx/model/ModelsUtils.kt

@@ -40,4 +40,4 @@ inline fun <reified M : Any, T> observableList(noinline observableListProperty:
         TrackedDelegate.ObservableListDelegate(M::class, observableListProperty)
 
 inline fun <reified M : Any, T> observableListReadOnly(noinline observableListProperty: (M) -> ObservableList<out T>) =
-        TrackedDelegate.ObservableListReadOnlyDelegate(M::class, observableListProperty)
+        TrackedDelegate.ObservableListReadOnlyDelegate(M::class, observableListProperty)

client/jfx/src/main/kotlin/net/corda/client/jfx/utils/AmountBindings.kt

@@ -14,13 +14,14 @@ import java.util.stream.Collectors
  * Utility bindings for the [Amount] type, similar in spirit to [Bindings]
  */
 object AmountBindings {
+    @Suppress("SpreadOperator")
     fun <T : Any> sum(amounts: ObservableList<Amount<T>>, token: T): MonadicBinding<Amount<T>> = EasyBind.map(
             Bindings.createLongBinding({
                 amounts.stream().collect(Collectors.summingLong {
                     require(it.token == token)
                     it.quantity
                 })
-            }, arrayOf(amounts))
+            }, *arrayOf(amounts))
     ) { sum -> Amount(sum.toLong(), token) }
 
     fun exchange(
@@ -35,6 +36,7 @@ object AmountBindings {
         }
     }
 
+    @Suppress("SpreadOperator")
     fun sumAmountExchange(
             amounts: ObservableList<Amount<Currency>>,
             currency: ObservableValue<Currency>,
@@ -45,7 +47,7 @@ object AmountBindings {
             EasyBind.map(
                     Bindings.createLongBinding({
                         amounts.stream().collect(Collectors.summingLong { exchange(it) })
-                    }, arrayOf(amounts))
+                    }, *arrayOf(amounts))
             ) { Amount(it.toLong(), currencyValue) }
         }
     }

client/jfx/src/main/kotlin/net/corda/client/jfx/utils/ObservableUtilities.kt

@@ -120,7 +120,7 @@ fun <A> ObservableList<out A>.filter(predicate: ObservableValue<(A) -> Boolean>)
  */
 fun <A> ObservableList<out A?>.filterNotNull(): ObservableList<A> {
     //TODO This is a tactical work round for an issue with SAM conversion (https://youtrack.jetbrains.com/issue/ALL-1552) so that the M10 explorer works.
-    return uncheckedCast(uncheckedCast<Any, ObservableList<A?>>(this).filtered { t -> t != null })
+    return uncheckedCast(uncheckedCast<Any, ObservableList<A>>(this).filtered { t -> t != null })
 }
 
 /**
@@ -128,6 +128,7 @@ fun <A> ObservableList<out A?>.filterNotNull(): ObservableList<A> {
  * val concatenatedNames = people.foldObservable("", { names, person -> names + person.name })
  * val concatenatedNames2 = people.map(Person::name).fold("", String::plus)
  */
+@Suppress("SpreadOperator")
 fun <A, B> ObservableList<out A>.foldObservable(initial: B, folderFunction: (B, A) -> B): ObservableValue<B> {
     return Bindings.createObjectBinding({
         var current = initial
@@ -135,7 +136,7 @@ fun <A, B> ObservableList<out A>.foldObservable(initial: B, folderFunction: (B,
             current = folderFunction(current, it)
         }
         current
-    }, arrayOf(this))
+    }, *arrayOf(this))
 }
 
 /**
@@ -285,6 +286,7 @@ fun <A> ObservableList<A>.first(): ObservableValue<A?> {
     return getValueAt(0)
 }
 
+@Suppress("SpreadOperator")
 fun <A> ObservableList<A>.last(): ObservableValue<A?> {
     return Bindings.createObjectBinding({
         if (size > 0) {
@@ -292,7 +294,7 @@ fun <A> ObservableList<A>.last(): ObservableValue<A?> {
         } else {
             null
         }
-    }, arrayOf(this))
+    }, *arrayOf(this))
 }
 
 fun <T : Any> ObservableList<T>.unique(): ObservableList<T> {
@@ -303,24 +305,27 @@ fun <T : Any, K : Any> ObservableList<T>.distinctBy(toKey: (T) -> K): Observable
     return AggregatedList(this, toKey, { _, entryList -> entryList[0] })
 }
 
+@Suppress("SpreadOperator")
 fun ObservableValue<*>.isNotNull(): BooleanBinding {
-    return Bindings.createBooleanBinding({ this.value != null }, arrayOf(this))
+    return Bindings.createBooleanBinding({ this.value != null }, *arrayOf(this))
 }
 
 /**
  * Return first element of the observable list as observable value.
  * Return provided default value if the list is empty.
  */
+@Suppress("SpreadOperator")
 fun <A> ObservableList<A>.firstOrDefault(default: ObservableValue<A?>, predicate: (A) -> Boolean): ObservableValue<A?> {
-    return Bindings.createObjectBinding({ this.firstOrNull(predicate) ?: default.value }, arrayOf(this, default))
+    return Bindings.createObjectBinding({ this.firstOrNull(predicate) ?: default.value }, *arrayOf(this, default))
 }
 
 /**
  * Return first element of the observable list as observable value.
  * Return ObservableValue(null) if the list is empty.
  */
+@Suppress("SpreadOperator")
 fun <A> ObservableList<A>.firstOrNullObservable(predicate: (A) -> Boolean): ObservableValue<A?> {
-    return Bindings.createObjectBinding({ this.firstOrNull(predicate) }, arrayOf(this))
+    return Bindings.createObjectBinding({ this.firstOrNull(predicate) }, *arrayOf(this))
 }
 
 /**

client/mock/build.gradle

@@ -1,7 +1,6 @@
-apply plugin: 'kotlin'
+apply plugin: 'org.jetbrains.kotlin.jvm'
 apply plugin: 'net.corda.plugins.quasar-utils'
-apply plugin: 'net.corda.plugins.publish-utils'
+apply plugin: 'corda.common-publishing'
-apply plugin: 'com.jfrog.artifactory'
 
 description 'Corda client mock modules'
 
@@ -9,9 +8,9 @@ description 'Corda client mock modules'
 // build/reports/project/dependencies/index.html for green highlighted parts of the tree.
 
 dependencies {
-    compile project(":core")
+    implementation project(":core")
-    compile project(':finance:workflows')
+    implementation project(':finance:workflows')
-    compile project(':finance:contracts')
+    implementation project(':finance:contracts')
 
     testImplementation "org.junit.jupiter:junit-jupiter-api:${junit_jupiter_version}"
     testImplementation "junit:junit:$junit_version"
@@ -21,9 +20,9 @@ dependencies {
     testRuntimeOnly "org.junit.platform:junit-platform-launcher:${junit_platform_version}"
 
     // Unit testing helpers.
-    testCompile "org.assertj:assertj-core:${assertj_version}"
+    testImplementation "org.assertj:assertj-core:${assertj_version}"
 
-    testCompile project(':test-utils')
+    testImplementation project(':test-utils')
 }
 
 jar {
@@ -39,6 +38,11 @@ jar {
     }
 }
 
-publish {
+publishing {
-    name jar.baseName
+    publications {
+        maven(MavenPublication) {
+            artifactId jar.baseName
+            from components.java
+        }
+    }
 }

client/rpc/build.gradle

@@ -1,28 +1,20 @@
-apply plugin: 'kotlin'
+apply plugin: 'org.jetbrains.kotlin.jvm'
 apply plugin: 'net.corda.plugins.quasar-utils'
-apply plugin: 'net.corda.plugins.publish-utils'
 apply plugin: 'net.corda.plugins.api-scanner'
-apply plugin: 'com.jfrog.artifactory'
+apply plugin: 'corda.common-publishing'
+apply plugin: 'us.kirchmeier.capsule'
 
 description 'Corda client RPC modules'
 
 //noinspection GroovyAssignabilityCheck
 configurations {
-    integrationTestCompile.extendsFrom testCompile
+    integrationTestImplementation.extendsFrom testImplementation
     integrationTestRuntimeOnly.extendsFrom testRuntimeOnly
 
-    smokeTestCompile.extendsFrom compile
+    smokeTestImplementation.extendsFrom compile
     smokeTestRuntimeOnly.extendsFrom runtimeOnly
 }
 
-compileKotlin {
-    kotlinOptions.jvmTarget = "1.8"
-}
-
-compileTestKotlin {
-    kotlinOptions.jvmTarget = "1.8"
-}
-
 sourceSets {
     integrationTest {
         kotlin {
@@ -55,8 +47,58 @@ sourceSets {
     }
 }
 
+dependencies {
+    implementation project(':core')
+    implementation project(':node-api')
+    implementation project(':serialization')
+    // For caches rather than guava
+    implementation "com.github.ben-manes.caffeine:caffeine:$caffeine_version"
+    implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
+    implementation "io.reactivex:rxjava:$rxjava_version"
+    implementation("org.apache.activemq:artemis-core-client:${artemis_version}") {
+        exclude group: 'org.jgroups', module: 'jgroups'
+    }
+    implementation "com.google.guava:guava-testlib:$guava_version"
+
+    testImplementation project(':node')
+    testImplementation project(':node-driver')
+    testImplementation project(':client:mock')
+    testImplementation project(':core-test-utils')
+    testImplementation "junit:junit:$junit_version"
+    // Unit testing helpers.
+    testImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
+    testImplementation "org.assertj:assertj-core:${assertj_version}"
+    testImplementation "io.dropwizard.metrics:metrics-core:$metrics_version"
+
+    testRuntimeOnly "org.junit.vintage:junit-vintage-engine:${junit_vintage_version}"
+    testRuntimeOnly "org.junit.platform:junit-platform-launcher:${junit_platform_version}"
+
+    integrationTestImplementation project(path: ':node-api', configuration: 'testArtifacts')
+    integrationTestImplementation project(':common-configuration-parsing')
+    integrationTestImplementation project(':finance:contracts')
+    integrationTestImplementation project(':finance:workflows')
+    integrationTestImplementation project(':test-utils')
+    integrationTestImplementation "co.paralleluniverse:quasar-core:$quasar_version"
+    integrationTestImplementation "org.mockito.kotlin:mockito-kotlin:$mockito_kotlin_version"
+
+    smokeTestImplementation project(':core')
+    smokeTestImplementation project(':node-api')
+    smokeTestImplementation project(':finance:contracts')
+    smokeTestImplementation project(':finance:workflows')
+    smokeTestImplementation project(':smoke-test-utils')
+    smokeTestImplementation project(':testing:cordapps:sleeping')
+    smokeTestImplementation "junit:junit:$junit_version"
+    smokeTestImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
+    smokeTestImplementation "com.google.guava:guava:$guava_version"
+    smokeTestImplementation "org.hamcrest:hamcrest-library:2.1"
+
+    smokeTestRuntimeOnly "org.junit.vintage:junit-vintage-engine:${junit_vintage_version}"
+    smokeTestRuntimeOnly "org.junit.platform:junit-platform-launcher:${junit_platform_version}"
+}
+
 processSmokeTestResources {
-    from(project(':node:capsule').tasks['buildCordaJAR']) {
+    // Bring in the fully built corda.jar for use by NodeFactory in the smoke tests
+    from(project(":node:capsule").tasks['buildCordaJAR']) {
         rename 'corda-(.*)', 'corda.jar'
     }
     from(project(':finance:workflows').tasks['jar']) {
@@ -70,52 +112,12 @@ processSmokeTestResources {
     }
 }
 
-// To find potential version conflicts, run "gradle htmlDependencyReport" and then look in
+tasks.register('integrationTest', Test) {
-// build/reports/project/dependencies/index.html for green highlighted parts of the tree.
-
-dependencies {
-    compile project(':core')
-    compile project(':node-api')
-
-    // For caches rather than guava
-    compile "com.github.ben-manes.caffeine:caffeine:$caffeine_version"
-
-    testImplementation "junit:junit:$junit_version"
-
-    testRuntimeOnly "org.junit.vintage:junit-vintage-engine:${junit_vintage_version}"
-    testRuntimeOnly "org.junit.platform:junit-platform-launcher:${junit_platform_version}"
-
-    // Unit testing helpers.
-    testCompile "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
-    testCompile "org.assertj:assertj-core:${assertj_version}"
-
-    testCompile project(':node-driver')
-    testCompile project(':client:mock')
-    integrationTestCompile project(path: ':node-api', configuration: 'testArtifacts')
-
-    // Smoke tests do NOT have any Node code on the classpath!
-    smokeTestCompile project(':smoke-test-utils')
-    smokeTestCompile project(':finance:contracts')
-    smokeTestCompile project(':finance:workflows')
-    smokeTestCompile project(':testing:cordapps:sleeping')
-    smokeTestCompile "org.apache.logging.log4j:log4j-slf4j-impl:$log4j_version"
-    smokeTestCompile "org.apache.logging.log4j:log4j-core:$log4j_version"
-    smokeTestCompile "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
-    smokeTestCompile "org.assertj:assertj-core:${assertj_version}"
-    smokeTestImplementation "junit:junit:$junit_version"
-    smokeTestRuntimeOnly "org.junit.vintage:junit-vintage-engine:${junit_vintage_version}"
-    smokeTestRuntimeOnly "org.junit.platform:junit-platform-launcher:${junit_platform_version}"
-
-    // JDK11: required by Quasar at run-time
-    smokeTestRuntimeOnly "com.esotericsoftware:kryo:$kryo_version"
-}
-
-task integrationTest(type: Test) {
     testClassesDirs = sourceSets.integrationTest.output.classesDirs
     classpath = sourceSets.integrationTest.runtimeClasspath
 }
 
-task smokeTest(type: Test) {
+tasks.register('smokeTest', Test) {
     testClassesDirs = sourceSets.smokeTest.output.classesDirs
     classpath = sourceSets.smokeTest.runtimeClasspath
 }
@@ -127,6 +129,11 @@ jar {
     }
 }
 
-publish {
+publishing {
-    name jar.baseName
+    publications {
+        maven(MavenPublication) {
+            artifactId jar.baseName
+            from components.java
+        }
+    }
 }

client/rpc/src/integration-test/kotlin/net/corda/client/rpc/CordaRPCClientTest.kt

@@ -54,7 +54,7 @@ import org.junit.Test
 import rx.subjects.PublishSubject
 import java.net.URLClassLoader
 import java.nio.file.Paths
-import java.util.*
+import java.util.Currency
 import java.util.concurrent.CountDownLatch
 import java.util.concurrent.Executors
 import java.util.concurrent.ScheduledExecutorService

client/rpc/src/integration-test/kotlin/net/corda/client/rpc/RPCConnectionListenerTest.kt

@@ -1,12 +1,12 @@
 package net.corda.client.rpc
 
-import com.nhaarman.mockito_kotlin.any
+import org.mockito.kotlin.any
-import com.nhaarman.mockito_kotlin.atLeastOnce
+import org.mockito.kotlin.atLeastOnce
-import com.nhaarman.mockito_kotlin.mock
+import org.mockito.kotlin.mock
-import com.nhaarman.mockito_kotlin.never
+import org.mockito.kotlin.never
-import com.nhaarman.mockito_kotlin.times
+import org.mockito.kotlin.times
-import com.nhaarman.mockito_kotlin.verify
+import org.mockito.kotlin.verify
-import com.nhaarman.mockito_kotlin.whenever
+import org.mockito.kotlin.whenever
 import net.corda.client.rpc.internal.RPCClient
 import net.corda.client.rpc.ext.RPCConnectionListener
 import net.corda.core.messaging.RPCOps
@@ -338,4 +338,4 @@ class RPCConnectionListenerTest(@Suppress("unused") private val iteration: Int)
             }
         }
     }
-}
+}

client/rpc/src/integration-test/kotlin/net/corda/client/rpc/RPCMultipleInterfacesTests.kt

@@ -1,6 +1,6 @@
 package net.corda.client.rpc
 
-import com.nhaarman.mockito_kotlin.mock
+import org.mockito.kotlin.mock
 import net.corda.client.rpc.RPCMultipleInterfacesTests.StringRPCOpsImpl.testPhrase
 import net.corda.core.crypto.SecureHash
 import net.corda.core.messaging.CordaRPCOps

client/rpc/src/integration-test/kotlin/net/corda/client/rpc/RPCStabilityTests.kt

@@ -544,7 +544,7 @@ class RPCStabilityTests {
     }
 
     @Test(timeout=300_000)
-@Ignore // TODO: This is ignored because Artemis slow consumers are broken.  I'm not deleting it in case we can get the feature fixed.
+    @Ignore // TODO: This is ignored because Artemis slow consumers are broken.  I'm not deleting it in case we can get the feature fixed.
     fun `slow consumers are kicked`() {
         rpcDriver {
             val server = startRpcServer(maxBufferedBytesPerClient = 10 * 1024 * 1024, ops = SlowConsumerRPCOpsImpl()).get()
@@ -552,7 +552,7 @@ class RPCStabilityTests {
             // Construct an RPC session manually so that we can hang in the message handler
             val myQueue = "${RPCApi.RPC_CLIENT_QUEUE_NAME_PREFIX}.test.${random63BitValue()}"
             val session = startArtemisSession(server.broker.hostAndPort!!)
-            session.createQueue(QueueConfiguration(myQueue)
+            session.createQueue(QueueConfiguration.of(myQueue)
                     .setRoutingType(ActiveMQDefaultConfiguration.getDefaultRoutingType())
                     .setAddress(myQueue)
                     .setTemporary(true)
@@ -569,7 +569,7 @@ class RPCStabilityTests {
 
             val message = session.createMessage(false)
             val request = RPCApi.ClientToServer.RpcRequest(
-                    clientAddress = SimpleString(myQueue),
+                    clientAddress = SimpleString.of(myQueue),
                     methodName = SlowConsumerRPCOps::streamAtInterval.name,
                     serialisedArguments = listOf(100.millis, 1234).serialize(context = SerializationDefaults.RPC_SERVER_CONTEXT),
                     replyId = Trace.InvocationId.newInstance(),
@@ -593,7 +593,7 @@ class RPCStabilityTests {
             // Construct an RPC client session manually
             val myQueue = "${RPCApi.RPC_CLIENT_QUEUE_NAME_PREFIX}.test.${random63BitValue()}"
             val session = startArtemisSession(server.broker.hostAndPort!!)
-            session.createQueue(QueueConfiguration(myQueue)
+            session.createQueue(QueueConfiguration.of(myQueue)
                     .setRoutingType(ActiveMQDefaultConfiguration.getDefaultRoutingType())
                     .setAddress(myQueue)
                     .setTemporary(true)
@@ -612,7 +612,7 @@ class RPCStabilityTests {
 
             val message = session.createMessage(false)
             val request = RPCApi.ClientToServer.RpcRequest(
-                    clientAddress = SimpleString(myQueue),
+                    clientAddress = SimpleString.of(myQueue),
                     methodName = DummyOps::protocolVersion.name,
                     serialisedArguments = emptyList<Any>().serialize(context = SerializationDefaults.RPC_SERVER_CONTEXT),
                     replyId = Trace.InvocationId.newInstance(),
@@ -669,4 +669,4 @@ fun RPCDriverDSL.pollUntilClientNumber(server: RpcServerHandle, expected: Int) {
         val clientAddresses = server.broker.serverControl.addressNames.filter { it.startsWith(RPCApi.RPC_CLIENT_QUEUE_NAME_PREFIX) }
         clientAddresses.size == expected
     }.get()
-}
+}

client/rpc/src/integration-test/kotlin/net/corda/client/rpcreconnect/CordaRPCClientReconnectionTest.kt

@@ -110,11 +110,11 @@ class CordaRPCClientReconnectionTest {
 
             assertThatThrownBy {
                 val node = startNode ()
-                val client = CordaRPCClient(node.rpcAddress, config.copy(minimumServerProtocolVersion = 100, maxReconnectAttempts = 1))
+                val client = CordaRPCClient(node.rpcAddress, config.copy(minimumServerProtocolVersion = 999, maxReconnectAttempts = 1))
                 client.start(rpcUser.username, rpcUser.password, gracefulReconnect = gracefulReconnect)
             }
                     .isInstanceOf(UnrecoverableRPCException::class.java)
-                    .hasMessageStartingWith("Requested minimum protocol version (100) is higher than the server's supported protocol version ")
+                    .hasMessageStartingWith("Requested minimum protocol version (999) is higher than the server's supported protocol version ")
         }
     }
 
@@ -638,4 +638,4 @@ class CordaRPCClientReconnectionTest {
             throw IllegalStateException("bye")
         }
     }
-}
+}

client/rpc/src/main/kotlin/net/corda/client/rpc/internal/ClientCacheFactory.kt

@@ -7,12 +7,12 @@ import com.github.benmanes.caffeine.cache.LoadingCache
 import net.corda.core.internal.NamedCacheFactory
 
 class ClientCacheFactory : NamedCacheFactory {
-    override fun <K, V> buildNamed(caffeine: Caffeine<in K, in V>, name: String): Cache<K, V> {
+    override fun <K : Any, V : Any> buildNamed(caffeine: Caffeine<in K, in V>, name: String): Cache<K, V> {
         checkCacheName(name)
         return caffeine.build<K, V>()
     }
 
-    override fun <K, V> buildNamed(caffeine: Caffeine<in K, in V>, name: String, loader: CacheLoader<K, V>): LoadingCache<K, V> {
+    override fun <K : Any, V : Any> buildNamed(caffeine: Caffeine<in K, in V>, name: String, loader: CacheLoader<K, V>): LoadingCache<K, V> {
         checkCacheName(name)
         return caffeine.build<K, V>(loader)
     }

client/rpc/src/main/kotlin/net/corda/client/rpc/internal/RPCClientProxyHandler.kt

@@ -150,7 +150,6 @@ internal class RPCClientProxyHandler(
             }
         }
 
-        @Suppress("TooGenericExceptionCaught")
         private fun closeObservable(observable: UnicastSubject<Notification<*>>) {
             // Notify listeners of the observables that the connection is being terminated.
             try {
@@ -300,7 +299,7 @@ internal class RPCClientProxyHandler(
     class FailoverHandler(private val detected: () -> Unit = {},
                           private val completed: () -> Unit = {},
                           private val failed: () -> Unit = {}): FailoverEventListener {
-        override fun failoverEvent(eventType: FailoverEventType?) {
+        override fun failoverEvent(eventType: FailoverEventType) {
             when (eventType) {
                 FailoverEventType.FAILURE_DETECTED -> { detected() }
                 FailoverEventType.FAILOVER_COMPLETED -> { completed() }
@@ -346,7 +345,7 @@ internal class RPCClientProxyHandler(
                     impersonatedActor,
                     rpcClientTelemetry.telemetryService.getCurrentTelemetryData()
             )
-            val replyFuture = SettableFuture.create<Any>()
+            val replyFuture = SettableFuture.create<Any?>()
             require(rpcReplyMap.put(replyId, replyFuture) == null) {
                 "Generated several RPC requests with same ID $replyId"
             }
@@ -589,7 +588,6 @@ internal class RPCClientProxyHandler(
         }
         if (observableIds != null) {
             log.debug { "Reaping ${observableIds.size} observables" }
-            @Suppress("TooGenericExceptionCaught")
             try {
                 sendMessage(RPCApi.ClientToServer.ObservablesClosed(observableIds))
             } catch(ex: Exception) {
@@ -654,9 +652,9 @@ internal class RPCClientProxyHandler(
         producerSession = sessionFactory!!.createSession(rpcUsername, rpcPassword, false, true, true, false, DEFAULT_ACK_BATCH_SIZE)
         rpcProducer = producerSession!!.createProducer(RPCApi.RPC_SERVER_QUEUE_NAME)
         consumerSession = sessionFactory!!.createSession(rpcUsername, rpcPassword, false, true, true, false, 16384)
-        clientAddress = SimpleString("${RPCApi.RPC_CLIENT_QUEUE_NAME_PREFIX}.$rpcUsername.${random63BitValue()}")
+        clientAddress = SimpleString.of("${RPCApi.RPC_CLIENT_QUEUE_NAME_PREFIX}.$rpcUsername.${random63BitValue()}")
         log.debug { "Client address: $clientAddress" }
-        consumerSession!!.createQueue(QueueConfiguration(clientAddress).setAddress(clientAddress).setRoutingType(RoutingType.ANYCAST)
+        consumerSession!!.createQueue(QueueConfiguration.of(clientAddress).setAddress(clientAddress).setRoutingType(RoutingType.ANYCAST)
                 .setTemporary(true).setDurable(false))
         rpcConsumer = consumerSession!!.createConsumer(clientAddress)
         rpcConsumer!!.setMessageHandler(this::artemisMessageHandler)

client/rpc/src/main/kotlin/net/corda/client/rpc/internal/RPCClientTelemetry.kt

@@ -1,14 +1,15 @@
 package net.corda.client.rpc.internal
 
-import net.corda.core.internal.telemetry.OpenTelemetryComponent
 import net.corda.core.internal.telemetry.SimpleLogTelemetryComponent
 import net.corda.core.internal.telemetry.TelemetryServiceImpl
 import net.corda.core.utilities.contextLogger
+import net.corda.nodeapi.internal.telemetry.OpenTelemetryComponent
 
-class RPCClientTelemetry(val serviceName: String, val openTelemetryEnabled: Boolean,
+class RPCClientTelemetry(serviceName: String,
-                         val simpleLogTelemetryEnabled: Boolean, val spanStartEndEventsEnabled: Boolean,
+                         val openTelemetryEnabled: Boolean,
+                         val simpleLogTelemetryEnabled: Boolean,
+                         val spanStartEndEventsEnabled: Boolean,
                          val copyBaggageToTags: Boolean) {
-
     companion object {
         private val log = contextLogger()
     }
@@ -39,4 +40,4 @@ class RPCClientTelemetry(val serviceName: String, val openTelemetryEnabled: Bool
     fun <T> getTelemetryHandle(telemetryClass: Class<T>): T? {
         return telemetryService.getTelemetryHandle(telemetryClass)
     }
-}
+}

client/rpc/src/smoke-test/java/net/corda/java/rpc/StandaloneCordaRPCJavaClientTest.java

@@ -1,6 +1,5 @@
 package net.corda.java.rpc;
 
-import net.corda.client.rpc.CordaRPCConnection;
 import net.corda.core.contracts.Amount;
 import net.corda.core.identity.CordaX500Name;
 import net.corda.core.identity.Party;
@@ -10,88 +9,48 @@ import net.corda.core.utilities.OpaqueBytes;
 import net.corda.finance.flows.AbstractCashFlow;
 import net.corda.finance.flows.CashIssueFlow;
 import net.corda.nodeapi.internal.config.User;
-import net.corda.smoketesting.NodeConfig;
+import net.corda.smoketesting.NodeParams;
 import net.corda.smoketesting.NodeProcess;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-import java.io.IOException;
+import java.util.Currency;
-import java.nio.file.Files;
+import java.util.HashSet;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.*;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.stream.Stream;
 
 import static java.util.Collections.singletonList;
 import static kotlin.test.AssertionsKt.assertEquals;
-import static kotlin.test.AssertionsKt.fail;
 import static net.corda.finance.workflows.GetBalances.getCashBalance;
+import static net.corda.kotlin.rpc.StandaloneCordaRPClientTest.gatherCordapps;
 
 public class StandaloneCordaRPCJavaClientTest {
+    private final User superUser = new User("superUser", "test", new HashSet<>(singletonList("ALL")));
 
-    public static void copyCordapps(NodeProcess.Factory factory, NodeConfig notaryConfig) {
+    private final AtomicInteger port = new AtomicInteger(15000);
-        Path cordappsDir = (factory.baseDirectory(notaryConfig).resolve(NodeProcess.CORDAPPS_DIR_NAME));
+    private final NodeProcess.Factory factory = new NodeProcess.Factory();
-        try {
-            Files.createDirectories(cordappsDir);
-        } catch (IOException ex) {
-            fail("Failed to create directories");
-        }
-        try (Stream<Path> paths = Files.walk(Paths.get("build", "resources", "smokeTest"))) {
-            paths.filter(path -> path.toFile().getName().startsWith("cordapp")).forEach(file -> {
-                try {
-                    Files.copy(file, cordappsDir.resolve(file.getFileName()));
-                } catch (IOException ex) {
-                    fail("Failed to copy cordapp jar");
-                }
-            });
-        } catch (IOException e) {
-            fail("Failed to walk files");
-        }
-    }
 
-    private List<String> perms = singletonList("ALL");
-    private Set<String> permSet = new HashSet<>(perms);
-    private User superUser = new User("superUser", "test", permSet);
-
-    private AtomicInteger port = new AtomicInteger(15000);
-
-    private NodeProcess notary;
     private CordaRPCOps rpcProxy;
-    private CordaRPCConnection connection;
     private Party notaryNodeIdentity;
 
-    private NodeConfig notaryConfig = new NodeConfig(
-            new CordaX500Name("Notary Service", "Zurich", "CH"),
-            port.getAndIncrement(),
-            port.getAndIncrement(),
-            port.getAndIncrement(),
-            true,
-            singletonList(superUser),
-            true
-    );
-
     @Before
     public void setUp() {
-        NodeProcess.Factory factory = new NodeProcess.Factory();
+        NodeProcess notary = factory.createNotaries(new NodeParams(
-        copyCordapps(factory, notaryConfig);
+                new CordaX500Name("Notary Service", "Zurich", "CH"),
-        notary = factory.create(notaryConfig);
+                port.getAndIncrement(),
-        connection = notary.connect(superUser);
+                port.getAndIncrement(),
-        rpcProxy = connection.getProxy();
+                port.getAndIncrement(),
+                singletonList(superUser),
+                gatherCordapps()
+        )).get(0);
+        rpcProxy = notary.connect(superUser).getProxy();
         notaryNodeIdentity = rpcProxy.nodeInfo().getLegalIdentities().get(0);
     }
 
     @After
     public void done() {
-        try {
+        factory.close();
-            connection.close();
-        } finally {
-            if (notary != null) {
-                notary.close();
-            }
-        }
     }
 
     @Test

client/rpc/src/smoke-test/kotlin/net/corda/kotlin/rpc/StandaloneCordaRPClientTest.kt

@@ -27,6 +27,7 @@ import net.corda.core.utilities.getOrThrow
 import net.corda.core.utilities.minutes
 import net.corda.core.utilities.seconds
 import net.corda.finance.DOLLARS
+import net.corda.finance.GBP
 import net.corda.finance.POUNDS
 import net.corda.finance.SWISS_FRANCS
 import net.corda.finance.USD
@@ -35,89 +36,103 @@ import net.corda.finance.flows.CashIssueFlow
 import net.corda.finance.flows.CashPaymentFlow
 import net.corda.finance.workflows.getCashBalance
 import net.corda.finance.workflows.getCashBalances
-import net.corda.java.rpc.StandaloneCordaRPCJavaClientTest
 import net.corda.nodeapi.internal.config.User
 import net.corda.sleeping.SleepingFlow
-import net.corda.smoketesting.NodeConfig
+import net.corda.smoketesting.NodeParams
 import net.corda.smoketesting.NodeProcess
-import org.apache.commons.io.output.NullOutputStream.NULL_OUTPUT_STREAM
 import org.hamcrest.text.MatchesPattern
 import org.junit.After
+import org.junit.AfterClass
 import org.junit.Before
+import org.junit.BeforeClass
 import org.junit.Ignore
 import org.junit.Rule
 import org.junit.Test
 import org.junit.rules.ExpectedException
 import java.io.FilterInputStream
 import java.io.InputStream
-import java.util.Currency
+import java.io.OutputStream.nullOutputStream
+import java.nio.file.Path
 import java.util.concurrent.CountDownLatch
 import java.util.concurrent.atomic.AtomicInteger
 import java.util.regex.Pattern
+import kotlin.io.path.Path
+import kotlin.io.path.listDirectoryEntries
 import kotlin.test.assertEquals
 import kotlin.test.assertFalse
 import kotlin.test.assertNotEquals
 import kotlin.test.assertTrue
 
 class StandaloneCordaRPClientTest {
-    private companion object {
+    companion object {
         private val log = contextLogger()
         val superUser = User("superUser", "test", permissions = setOf("ALL"))
         val nonUser = User("nonUser", "test", permissions = emptySet())
         val rpcUser = User("rpcUser", "test", permissions = setOf("InvokeRpc.startFlow", "InvokeRpc.killFlow"))
         val flowUser = User("flowUser", "test", permissions = setOf("StartFlow.net.corda.finance.flows.CashIssueFlow"))
         val port = AtomicInteger(15200)
-        const val attachmentSize = 2116
+        const val ATTACHMENT_SIZE = 2116
         val timeout = 60.seconds
+
+        private val factory = NodeProcess.Factory()
+
+        private lateinit var notary: NodeProcess
+
+        private val notaryConfig = NodeParams(
+                legalName = CordaX500Name(organisation = "Notary Service", locality = "Zurich", country = "CH"),
+                p2pPort = port.andIncrement,
+                rpcPort = port.andIncrement,
+                rpcAdminPort = port.andIncrement,
+                users = listOf(superUser, nonUser, rpcUser, flowUser),
+                cordappJars = gatherCordapps()
+        )
+
+        @BeforeClass
+        @JvmStatic
+        fun startNotary() {
+            notary = factory.createNotaries(notaryConfig)[0]
+        }
+
+        @AfterClass
+        @JvmStatic
+        fun close() {
+            factory.close()
+        }
+
+        @JvmStatic
+        fun gatherCordapps(): List<Path> {
+            return Path("build", "resources", "smokeTest").listDirectoryEntries("cordapp*.jar")
+        }
     }
 
-    private lateinit var factory: NodeProcess.Factory
-    private lateinit var notary: NodeProcess
-    private lateinit var rpcProxy: CordaRPCOps
     private lateinit var connection: CordaRPCConnection
-    private lateinit var notaryNode: NodeInfo
+    private lateinit var rpcProxy: CordaRPCOps
     private lateinit var notaryNodeIdentity: Party
 
-    private val notaryConfig = NodeConfig(
-            legalName = CordaX500Name(organisation = "Notary Service", locality = "Zurich", country = "CH"),
-            p2pPort = port.andIncrement,
-            rpcPort = port.andIncrement,
-            rpcAdminPort = port.andIncrement,
-            isNotary = true,
-            users = listOf(superUser, nonUser, rpcUser, flowUser)
-    )
-
     @get:Rule
     val exception: ExpectedException = ExpectedException.none()
 
     @Before
     fun setUp() {
-        factory = NodeProcess.Factory()
-        StandaloneCordaRPCJavaClientTest.copyCordapps(factory, notaryConfig)
-        notary = factory.create(notaryConfig)
         connection = notary.connect(superUser)
         rpcProxy = connection.proxy
-        notaryNode = fetchNotaryIdentity()
         notaryNodeIdentity = rpcProxy.nodeInfo().legalIdentitiesAndCerts.first().party
     }
 
     @After
-    fun done() {
+    fun closeConnection() {
-        connection.use {
+        connection.close()
-            notary.close()
-        }
     }
 
-
     @Test(timeout=300_000)
 	fun `test attachments`() {
-        val attachment = InputStreamAndHash.createInMemoryTestZip(attachmentSize, 1)
+        val attachment = InputStreamAndHash.createInMemoryTestZip(ATTACHMENT_SIZE, 1)
         assertFalse(rpcProxy.attachmentExists(attachment.sha256))
         val id = attachment.inputStream.use { rpcProxy.uploadAttachment(it) }
         assertEquals(attachment.sha256, id, "Attachment has incorrect SHA256 hash")
 
-        val hash = HashingInputStream(Hashing.sha256(), rpcProxy.openAttachment(id)).use { it ->
+        val hash = HashingInputStream(Hashing.sha256(), rpcProxy.openAttachment(id)).use {
-            it.copyTo(NULL_OUTPUT_STREAM)
+            it.copyTo(nullOutputStream())
             SecureHash.createSHA256(it.hash().asBytes())
         }
         assertEquals(attachment.sha256, hash)
@@ -126,13 +141,13 @@ class StandaloneCordaRPClientTest {
     @Ignore("CORDA-1520 - After switching from Kryo to AMQP this test won't work")
     @Test(timeout=300_000)
 	fun `test wrapped attachments`() {
-        val attachment = InputStreamAndHash.createInMemoryTestZip(attachmentSize, 1)
+        val attachment = InputStreamAndHash.createInMemoryTestZip(ATTACHMENT_SIZE, 1)
         assertFalse(rpcProxy.attachmentExists(attachment.sha256))
         val id = WrapperStream(attachment.inputStream).use { rpcProxy.uploadAttachment(it) }
         assertEquals(attachment.sha256, id, "Attachment has incorrect SHA256 hash")
 
-        val hash = HashingInputStream(Hashing.sha256(), rpcProxy.openAttachment(id)).use { it ->
+        val hash = HashingInputStream(Hashing.sha256(), rpcProxy.openAttachment(id)).use {
-            it.copyTo(NULL_OUTPUT_STREAM)
+            it.copyTo(nullOutputStream())
             SecureHash.createSHA256(it.hash().asBytes())
         }
         assertEquals(attachment.sha256, hash)
@@ -168,8 +183,7 @@ class StandaloneCordaRPClientTest {
 
     @Test(timeout=300_000)
 	fun `test state machines`() {
-        val (stateMachines, updates) = rpcProxy.stateMachinesFeed()
+        val (_, updates) = rpcProxy.stateMachinesFeed()
-        assertEquals(0, stateMachines.size)
 
         val updateLatch = CountDownLatch(1)
         val updateCount = AtomicInteger(0)
@@ -190,8 +204,9 @@ class StandaloneCordaRPClientTest {
 
     @Test(timeout=300_000)
 	fun `test vault track by`() {
-        val (vault, vaultUpdates) = rpcProxy.vaultTrackBy<Cash.State>(paging = PageSpecification(DEFAULT_PAGE_NUM))
+        val initialGbpBalance = rpcProxy.getCashBalance(GBP)
-        assertEquals(0, vault.totalStatesAvailable)
+
+        val (_, vaultUpdates) = rpcProxy.vaultTrackBy<Cash.State>(paging = PageSpecification(DEFAULT_PAGE_NUM))
 
         val updateLatch = CountDownLatch(1)
         vaultUpdates.subscribe { update ->
@@ -207,34 +222,35 @@ class StandaloneCordaRPClientTest {
         // Check that this cash exists in the vault
         val cashBalance = rpcProxy.getCashBalances()
         log.info("Cash Balances: $cashBalance")
-        assertEquals(1, cashBalance.size)
+        assertEquals(629.POUNDS, cashBalance[GBP]!! - initialGbpBalance)
-        assertEquals(629.POUNDS, cashBalance[Currency.getInstance("GBP")])
     }
 
     @Test(timeout=300_000)
 	fun `test vault query by`() {
-        // Now issue some cash
-        rpcProxy.startFlow(::CashIssueFlow, 629.POUNDS, OpaqueBytes.of(0), notaryNodeIdentity)
-                .returnValue.getOrThrow(timeout)
-
         val criteria = QueryCriteria.VaultQueryCriteria(status = Vault.StateStatus.ALL)
         val paging = PageSpecification(DEFAULT_PAGE_NUM, 10)
         val sorting = Sort(setOf(Sort.SortColumn(SortAttribute.Standard(Sort.VaultStateAttribute.RECORDED_TIME), Sort.Direction.DESC)))
 
+        val initialStateCount = rpcProxy.vaultQueryBy<Cash.State>(criteria, paging, sorting).totalStatesAvailable
+        val initialGbpBalance = rpcProxy.getCashBalance(GBP)
+
+        // Now issue some cash
+        rpcProxy.startFlow(::CashIssueFlow, 629.POUNDS, OpaqueBytes.of(0), notaryNodeIdentity)
+                .returnValue.getOrThrow(timeout)
+
         val queryResults = rpcProxy.vaultQueryBy<Cash.State>(criteria, paging, sorting)
-        assertEquals(1, queryResults.totalStatesAvailable)
+        assertEquals(1, queryResults.totalStatesAvailable - initialStateCount)
         assertEquals(queryResults.states.first().state.data.amount.quantity, 629.POUNDS.quantity)
 
         rpcProxy.startFlow(::CashPaymentFlow, 100.POUNDS, notaryNodeIdentity, true, notaryNodeIdentity).returnValue.getOrThrow()
 
         val moreResults = rpcProxy.vaultQueryBy<Cash.State>(criteria, paging, sorting)
-        assertEquals(3, moreResults.totalStatesAvailable)   // 629 - 100 + 100
+        assertEquals(3, moreResults.totalStatesAvailable - initialStateCount)   // 629 - 100 + 100
 
         // Check that this cash exists in the vault
         val cashBalances = rpcProxy.getCashBalances()
         log.info("Cash Balances: $cashBalances")
-        assertEquals(1, cashBalances.size)
+        assertEquals(629.POUNDS, cashBalances[GBP]!! - initialGbpBalance)
-        assertEquals(629.POUNDS, cashBalances[Currency.getInstance("GBP")])
     }
 
     @Test(timeout=300_000)

client/rpc/src/test/kotlin/net/corda/client/rpc/Measure.kt

@@ -2,6 +2,7 @@ package net.corda.client.rpc
 
 import net.corda.core.internal.uncheckedCast
 import kotlin.reflect.KCallable
+import kotlin.reflect.jvm.ExperimentalReflectionOnLambdas
 import kotlin.reflect.jvm.reflect
 
 /**
@@ -10,15 +11,19 @@ import kotlin.reflect.jvm.reflect
  * different combinations of parameters.
  */
 
+@OptIn(ExperimentalReflectionOnLambdas::class)
 fun <A : Any, R> measure(a: Iterable<A>, f: (A) -> R) =
         measure(listOf(a), f.reflect()!!) { f(uncheckedCast(it[0])) }
 
+@OptIn(ExperimentalReflectionOnLambdas::class)
 fun <A : Any, B : Any, R> measure(a: Iterable<A>, b: Iterable<B>, f: (A, B) -> R) =
         measure(listOf(a, b), f.reflect()!!) { f(uncheckedCast(it[0]), uncheckedCast(it[1])) }
 
+@OptIn(ExperimentalReflectionOnLambdas::class)
 fun <A : Any, B : Any, C : Any, R> measure(a: Iterable<A>, b: Iterable<B>, c: Iterable<C>, f: (A, B, C) -> R) =
         measure(listOf(a, b, c), f.reflect()!!) { f(uncheckedCast(it[0]), uncheckedCast(it[1]), uncheckedCast(it[2])) }
 
+@OptIn(ExperimentalReflectionOnLambdas::class)
 fun <A : Any, B : Any, C : Any, D : Any, R> measure(a: Iterable<A>, b: Iterable<B>, c: Iterable<C>, d: Iterable<D>, f: (A, B, C, D) -> R) =
         measure(listOf(a, b, c, d), f.reflect()!!) { f(uncheckedCast(it[0]), uncheckedCast(it[1]), uncheckedCast(it[2]), uncheckedCast(it[3])) }
 

client/rpc/src/test/kotlin/net/corda/client/rpc/RPCFailureTests.kt

@@ -49,14 +49,14 @@ class RPCFailureTests {
     @Test(timeout=300_000)
 	fun `kotlin NPE`() = rpc {
         assertThatThrownBy { it.kotlinNPE() }.isInstanceOf(CordaRuntimeException::class.java)
-                .hasMessageContaining("kotlin.KotlinNullPointerException")
+                .hasMessageContaining("java.lang.NullPointerException")
     }
 
     @Test(timeout=300_000)
 	fun `kotlin NPE async`() = rpc {
         val future = it.kotlinNPEAsync()
         assertThatThrownBy { future.getOrThrow() }.isInstanceOf(CordaRuntimeException::class.java)
-                .hasMessageContaining("kotlin.KotlinNullPointerException")
+                .hasMessageContaining("java.lang.NullPointerException")
     }
 
     @Test(timeout=300_000)

common/configuration-parsing/build.gradle

@@ -1,15 +1,14 @@
-apply plugin: 'kotlin'
+apply plugin: 'org.jetbrains.kotlin.jvm'
+apply plugin: 'corda.common-publishing'
 
-apply plugin: 'net.corda.plugins.publish-utils'
+description 'Corda common-configuration-parsing module'
-apply plugin: 'com.jfrog.artifactory'
 
 dependencies {
-    compile group: "org.jetbrains.kotlin", name: "kotlin-stdlib-jdk8", version: kotlin_version
+    implementation group: "org.jetbrains.kotlin", name: "kotlin-reflect", version: kotlin_version
-    compile group: "org.jetbrains.kotlin", name: "kotlin-reflect", version: kotlin_version
 
-    compile group: "com.typesafe", name: "config", version: typesafe_config_version
+    implementation group: "com.typesafe", name: "config", version: typesafe_config_version
 
-    compile project(":common-validation")
+    implementation project(":common-validation")
     
     testImplementation "org.junit.jupiter:junit-jupiter-api:${junit_jupiter_version}"
     testImplementation "junit:junit:$junit_version"
@@ -18,14 +17,20 @@ dependencies {
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:${junit_jupiter_version}"
     testRuntimeOnly "org.junit.platform:junit-platform-launcher:${junit_platform_version}"
 
-    testCompile group: "org.jetbrains.kotlin", name: "kotlin-test", version: kotlin_version
+    testImplementation group: "org.jetbrains.kotlin", name: "kotlin-test", version: kotlin_version
-    testCompile group: "org.assertj", name: "assertj-core", version: assertj_version
+    testImplementation group: "org.assertj", name: "assertj-core", version: assertj_version
 }
 
 jar {
     baseName 'corda-common-configuration-parsing'
 }
 
-publish {
+publishing {
-    name jar.baseName
+    publications {
-}
+        maven(MavenPublication) {
+            artifactId jar.baseName
+            from components.java
+        }
+    }
+}
+

common/configuration-parsing/src/main/kotlin/net/corda/common/configuration/parsing/internal/Configuration.kt

@@ -5,6 +5,7 @@ import net.corda.common.configuration.parsing.internal.versioned.VersionExtracto
 import net.corda.common.validation.internal.Validated
 import net.corda.common.validation.internal.Validated.Companion.invalid
 import java.time.Duration
+import java.util.Locale
 import kotlin.reflect.KClass
 
 /**
@@ -468,7 +469,7 @@ object Configuration {
 
                     fun of(message: String, keyName: String? = null, typeName: String = UNKNOWN, containingPath: List<String> = emptyList()): WrongType = contextualize(keyName ?: UNKNOWN, containingPath).let { (key, path) -> WrongType(key, typeName, message, path) }
 
-                    fun forKey(keyName: String, expectedTypeName: String, actualTypeName: String): WrongType = of("$keyName has type ${actualTypeName.toUpperCase()} rather than ${expectedTypeName.toUpperCase()}")
+                    fun forKey(keyName: String, expectedTypeName: String, actualTypeName: String): WrongType = of("$keyName has type ${actualTypeName.uppercase(Locale.getDefault())} rather than ${expectedTypeName.uppercase(Locale.getDefault())}")
                 }
 
                 override fun withContainingPath(vararg containingPath: String) = WrongType(keyName, typeName, message, containingPath.toList())

common/configuration-parsing/src/test/kotlin/net/corda/common/configuration/parsing/internal/SpecificationTest.kt

@@ -61,7 +61,7 @@ class SpecificationTest {
 
             override fun parseValid(configuration: Config, options: Configuration.Options): Valid<AtomicLong> {
                 val config = configuration.withOptions(options)
-                return valid(AtomicLong(config[maxElement]!!))
+                return valid(AtomicLong(config[maxElement]))
             }
         }
 
@@ -103,7 +103,7 @@ class SpecificationTest {
             if (elements.any { element -> element <= 1  }) {
                 return invalid(Configuration.Validation.Error.BadValue.of("elements cannot be less than or equal to 1"))
             }
-            return valid(elements.max()!!)
+            return valid(elements.max())
         }
 
         val spec = object : Configuration.Specification<AtomicLong>("AtomicLong") {

common/logging/build.gradle

@@ -1,28 +1,28 @@
 import org.apache.tools.ant.filters.ReplaceTokens
 
-apply plugin: 'kotlin'
+apply plugin: 'org.jetbrains.kotlin.jvm'
-apply plugin: 'net.corda.plugins.publish-utils'
+apply plugin: 'corda.common-publishing'
-apply plugin: 'com.jfrog.artifactory'
+
+description 'Corda common-logging module'
 
 dependencies {
-    compile group: "org.jetbrains.kotlin", name: "kotlin-stdlib-jdk8", version: kotlin_version
+    implementation group: "org.jetbrains.kotlin", name: "kotlin-reflect", version: kotlin_version
-    compile group: "org.jetbrains.kotlin", name: "kotlin-reflect", version: kotlin_version
 
-    compile group: "com.typesafe", name: "config", version: typesafe_config_version
+    implementation group: "com.typesafe", name: "config", version: typesafe_config_version
 
     // Log4J: logging framework
-    compile "org.apache.logging.log4j:log4j-core:$log4j_version"
+    implementation "org.apache.logging.log4j:log4j-core:$log4j_version"
 
-    compile "com.jcabi:jcabi-manifests:$jcabi_manifests_version"
+    implementation "com.jcabi:jcabi-manifests:$jcabi_manifests_version"
 
     // Need to depend on one other Corda project in order to get hold of a valid manifest for the tests
-    testCompile project(":common-validation")
+    testImplementation project(":common-validation")
 
     // test dependencies
     testImplementation "junit:junit:$junit_version"
-    testCompile group: "org.jetbrains.kotlin", name: "kotlin-test", version: kotlin_version
+    testImplementation group: "org.jetbrains.kotlin", name: "kotlin-test", version: kotlin_version
-    testCompile "org.mockito:mockito-core:$mockito_version"
+    testImplementation "org.mockito:mockito-core:$mockito_version"
-    testCompile "com.natpryce:hamkrest:$hamkrest_version"
+    testImplementation "com.natpryce:hamkrest:$hamkrest_version"
 }
 
 
@@ -33,11 +33,19 @@ task generateSource(type: Copy) {
     into 'src/main'
 }
 compileKotlin.dependsOn generateSource
+processResources.dependsOn generateSource
+sourcesJar.dependsOn generateSource
 
 jar {
     baseName 'corda-common-logging'
 }
 
-publish {
+publishing {
-    name jar.baseName
+    publications {
-}
+        maven(MavenPublication) {
+            artifactId jar.baseName
+            from components.java
+        }
+    }
+}
+

common/logging/src/main/kotlin/net/corda/common/logging/Constants.kt

@@ -9,4 +9,4 @@ package net.corda.common.logging
  * (originally added to source control for ease of use)
  */
 
-internal const val CURRENT_MAJOR_RELEASE = "4.11-SNAPSHOT"
+internal const val CURRENT_MAJOR_RELEASE = "4.12-SNAPSHOT"

common/logging/src/main/kotlin/net/corda/common/logging/errorReporting/ErrorReportingUtils.kt

@@ -1,6 +1,7 @@
 package net.corda.common.logging.errorReporting
 
 import org.slf4j.Logger
+import java.util.Locale
 
 /**
  * Report errors that have occurred.
@@ -12,7 +13,7 @@ import org.slf4j.Logger
 fun Logger.report(error: ErrorCode<*>) = ErrorReporting().getReporter().report(error, this)
 
 internal fun ErrorCode<*>.formatCode() : String {
-    val namespaceString = this.code.namespace.toLowerCase().replace("_", "-")
+    val namespaceString = this.code.namespace.lowercase(Locale.getDefault()).replace("_", "-")
-    val codeString = this.code.toString().toLowerCase().replace("_", "-")
+    val codeString = this.code.toString().lowercase(Locale.getDefault()).replace("_", "-")
     return "$namespaceString-$codeString"
 }

common/validation/build.gradle

@@ -1,17 +1,21 @@
-apply plugin: 'kotlin'
+apply plugin: 'org.jetbrains.kotlin.jvm'
+apply plugin: 'corda.common-publishing'
 
-apply plugin: 'net.corda.plugins.publish-utils'
+description 'Corda common-validation module'
-apply plugin: 'com.jfrog.artifactory'
 
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
-    compile "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
 }
 
 jar {
     baseName 'corda-common-validation'
 }
 
-publish {
+publishing {
-    name jar.baseName
+    publications {
-}
+        maven(MavenPublication) {
+            artifactId jar.baseName
+            from components.java
+        }
+    }
+}

confidential-identities/build.gradle

@@ -1,18 +1,24 @@
 // This contains the SwapIdentitiesFlow which can be used for exchanging confidential identities as part of a flow.
 // TODO: Merge this into core: the original plan was to develop it independently but in practice it's too widely used to break compatibility now, as finance uses it.
-apply plugin: 'kotlin'
+apply plugin: 'org.jetbrains.kotlin.jvm'
-apply plugin: 'net.corda.plugins.publish-utils'
 apply plugin: 'net.corda.plugins.quasar-utils'
 apply plugin: 'net.corda.plugins.cordapp'
-apply plugin: 'com.jfrog.artifactory'
+apply plugin: 'corda.common-publishing'
 
 description 'Corda Experimental Confidential Identities'
 
-dependencies {
+cordapp {
-    cordaCompile project(':core')
+    targetPlatformVersion corda_platform_version.toInteger()
+}
 
-    testCompile "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
+dependencies {
+    cordaProvided project(':core')
+
+    api "org.slf4j:slf4j-api:$slf4j_version"
+
+    testImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
     testImplementation "org.junit.jupiter:junit-jupiter-api:${junit_jupiter_version}"
+    testImplementation "co.paralleluniverse:quasar-core:$quasar_version"
     testImplementation "junit:junit:$junit_version"
 
     testRuntimeOnly "org.junit.vintage:junit-vintage-engine:${junit_vintage_version}"
@@ -20,19 +26,28 @@ dependencies {
     testRuntimeOnly "org.junit.platform:junit-platform-launcher:${junit_platform_version}"
 
     // Guava: Google test library (collections test suite)
-    testCompile "com.google.guava:guava-testlib:$guava_version"
+    testImplementation "com.google.guava:guava-testlib:$guava_version"
 
     // Bring in the MockNode infrastructure for writing protocol unit tests.
-    testCompile project(":node-driver")
+    testImplementation project(":node")
+    testImplementation project(":node-api")
+    testImplementation project(":node-driver")
+    testImplementation project(":core-test-utils")
+    testImplementation project(':finance:contracts')
+    testImplementation project(':finance:workflows')
 
     // AssertJ: for fluent assertions for testing
-    testCompile "org.assertj:assertj-core:$assertj_version"
+    testImplementation "org.assertj:assertj-core:$assertj_version"
+    testImplementation "com.natpryce:hamkrest:$hamkrest_version"
+    testImplementation "io.reactivex:rxjava:$rxjava_version"
 }
 
-jar {
+publishing {
-    baseName 'corda-confidential-identities'
+    publications {
-}
+        maven(MavenPublication) {
-
+            artifactId 'corda-confidential-identities'
-publish {
+            from components.cordapp
-    name jar.baseName
+            artifact javadocJar
+        }
+    }
 }

confidential-identities/src/test/kotlin/net/corda/confidential/IdentitySyncFlowTests.kt

@@ -129,4 +129,4 @@ class IdentitySyncFlowTests {
             otherSideSession.send(true)
         }
     }
-}
+}

config/dev/log4j2.xml

@@ -2,64 +2,26 @@
 <Configuration status="info" shutdownHook="disable">
 
     <Properties>
-        <Property name="log-path">${sys:log-path:-logs}</Property>
+        <Property name="log_path">${sys:log-path:-logs}</Property>
-        <Property name="log-name">node-${hostName}</Property>
+        <Property name="log_name">node-${hostName}</Property>
-        <Property name="diagnostic-log-name">diagnostic-${hostName}</Property>
+        <Property name="diagnostic_log_name">diagnostic-${hostName}</Property>
-        <Property name="archive">${log-path}/archive</Property>
+        <Property name="archive">${log_path}/archive</Property>
-        <Property name="defaultLogLevel">${sys:defaultLogLevel:-info}</Property>
+        <Property name="default_log_level">${sys:defaultLogLevel:-info}</Property>
-        <Property name="consoleLogLevel">${sys:consoleLogLevel:-error}</Property>
+        <Property name="console_log_level">${sys:consoleLogLevel:-error}</Property>
     </Properties>
 
     <Appenders>
-        <ScriptAppenderSelector name="Console-Selector">
+        <!-- The default console appender - prints no exception information -->
-            <Script language="nashorn"><![CDATA[
+        <Console name="Console-Appender" target="SYSTEM_OUT">
-                var System = Java.type('java.lang.System');
+            <PatternLayout
-                var level = System.getProperty("consoleLogLevel");
+                    pattern="%highlight{[%level{length=5}] %date{HH:mm:ssZ} [%t] %c{2}.%method - %msg%n%throwable{0}}{INFO=white,WARN=red,FATAL=bright red}"/>
-                var enabled = System.getProperty("consoleLoggingEnabled");
+        </Console>
-                enabled == "true" && (level == "debug" || level == "trace") ? "Console-Debug-Appender" : "Console-Appender";
-            ]]></Script>
-            <AppenderSet>
 
-                <!-- The default console appender - prints no exception information -->
+        <!-- The console appender when debug or trace level logging is specified. Prints full stack trace -->
-                <Console name="Console-Appender" target="SYSTEM_OUT">
+        <Console name="Console-Debug-Appender" target="SYSTEM_OUT">
-                    <PatternLayout>
+            <PatternLayout
-                        <ScriptPatternSelector
+                    pattern="%highlight{[%level{length=5}] %date{HH:mm:ssZ} [%t] %c{2}.%method - %msg%n%throwable{}}{INFO=white,WARN=red,FATAL=bright red}"/>
-                                defaultPattern="%highlight{[%level{length=5}] %date{HH:mm:ssZ} [%t] %c{2}.%method - %msg%n%throwable{0}}{INFO=white,WARN=red,FATAL=bright red}">
+        </Console>
-                            <Script name="MDCSelector" language="javascript"><![CDATA[
-                                result = null;
-                                if (!logEvent.getContextData().size() == 0) {
-                                    result = "WithMDC";
-                                } else {
-                                    result = null;
-                                }
-                                result;
-                                ]]>
-                            </Script>
-                            <PatternMatch key="WithMDC" pattern="%highlight{[%level{length=5}] %date{HH:mm:ssZ} [%t] %c{2}.%method - %msg %X%n%throwable{0}}{INFO=white,WARN=red,FATAL=bright red}"/>
-                        </ScriptPatternSelector>
-                    </PatternLayout>
-                </Console>
-
-                <!-- The console appender when debug or trace level logging is specified. Prints full stack trace -->
-                <Console name="Console-Debug-Appender" target="SYSTEM_OUT">
-                    <PatternLayout>
-                        <ScriptPatternSelector defaultPattern="%highlight{[%level{length=5}] %date{HH:mm:ssZ} [%t] %c{2}.%method - %msg%n%throwable{}}{INFO=white,WARN=red,FATAL=bright red}">
-                            <Script name="MDCSelector" language="javascript"><![CDATA[
-                                result = null;
-                                if (!logEvent.getContextData().size() == 0) {
-                                    result = "WithMDC";
-                                } else {
-                                    result = null;
-                                }
-                                result;
-                                ]]>
-                            </Script>
-                            <PatternMatch key="WithMDC" pattern="%highlight{[%level{length=5}] %date{HH:mm:ssZ} [%t] %c{2}.%method - %msg %X%n%throwable{}}{INFO=white,WARN=red,FATAL=bright red}"/>
-                        </ScriptPatternSelector>
-                    </PatternLayout>
-                </Console>
-            </AppenderSet>
-        </ScriptAppenderSelector>
 
         <!-- Required for printBasicInfo -->
         <Console name="Console-Appender-Println" target="SYSTEM_OUT">
@@ -69,24 +31,10 @@
         <!-- Will generate up to 500 log files for a given day. Adjust this number according to the available storage.
              During every rollover it will delete those that are older than 60 days, but keep the most recent 10 GB -->
         <RollingRandomAccessFile name="RollingFile-Appender"
-                     fileName="${log-path}/${log-name}.log"
+                                 fileName="${log_path}/${log_name}.log"
-                     filePattern="${archive}/${log-name}.%date{yyyy-MM-dd}-%i.log.gz">
+                                 filePattern="${archive}/${log_name}.%date{yyyy-MM-dd}-%i.log.gz">
 
-            <PatternLayout>
+            <PatternLayout pattern="[%-5level] %date{ISO8601}{UTC}Z [%t] %c{2}.%method - %msg%n"/>
-                <ScriptPatternSelector defaultPattern="[%-5level] %date{ISO8601}{UTC}Z [%t] %c{2}.%method - %msg%n">
-                    <Script name="MDCSelector" language="javascript"><![CDATA[
-                    result = null;
-                    if (!logEvent.getContextData().size() == 0) {
-                        result = "WithMDC";
-                    } else {
-                        result = null;
-                    }
-                    result;
-               ]]>
-                    </Script>
-                    <PatternMatch key="WithMDC" pattern="[%-5level] %date{ISO8601}{UTC}Z [%t] %c{2}.%method - %msg %X%n"/>
-                </ScriptPatternSelector>
-            </PatternLayout>
 
             <Policies>
                 <TimeBasedTriggeringPolicy/>
@@ -95,7 +43,7 @@
 
             <DefaultRolloverStrategy min="1" max="500">
                 <Delete basePath="${archive}" maxDepth="1">
-                    <IfFileName glob="${log-name}*.log.gz"/>
+                    <IfFileName glob="${log_name}*.log.gz"/>
                     <IfLastModified age="60d">
                         <IfAny>
                             <IfAccumulatedFileSize exceeds="10 GB"/>
@@ -109,24 +57,10 @@
         <!-- Will generate up to 100 log files for a given day. During every rollover it will delete
              those that are older than 60 days, but keep the most recent 10 GB -->
         <RollingRandomAccessFile name="Diagnostic-RollingFile-Appender"
-                     fileName="${log-path}/${diagnostic-log-name}.log"
+                                 fileName="${log_path}/${diagnostic_log_name}.log"
-                     filePattern="${archive}/${diagnostic-log-name}.%date{yyyy-MM-dd}-%i.log.gz">
+                                 filePattern="${archive}/${diagnostic_log_name}.%date{yyyy-MM-dd}-%i.log.gz">
 
-            <PatternLayout>
+            <PatternLayout pattern="[%-5level] %date{ISO8601}{UTC}Z [%t] %c{2}.%method - %msg%n"/>
-                <ScriptPatternSelector defaultPattern="[%-5level] %date{ISO8601}{UTC}Z [%t] %c{2}.%method - %msg%n">
-                    <Script name="MDCSelector" language="javascript"><![CDATA[
-                    result = null;
-                    if (!logEvent.getContextData().size() == 0) {
-                        result = "WithMDC";
-                    } else {
-                        result = null;
-                    }
-                    result;
-               ]]>
-                    </Script>
-                    <PatternMatch key="WithMDC" pattern="[%-5level] %date{ISO8601}{UTC}Z [%t] %c{2}.%method - %msg %X%n"/>
-                </ScriptPatternSelector>
-            </PatternLayout>
 
             <Policies>
                 <TimeBasedTriggeringPolicy/>
@@ -135,7 +69,7 @@
 
             <DefaultRolloverStrategy min="1" max="100">
                 <Delete basePath="${archive}" maxDepth="1">
-                    <IfFileName glob="${diagnostic-log-name}*.log.gz"/>
+                    <IfFileName glob="${diagnostic_log_name}*.log.gz"/>
                     <IfLastModified age="60d">
                         <IfAny>
                             <IfAccumulatedFileSize exceeds="10 GB"/>
@@ -147,7 +81,7 @@
         </RollingRandomAccessFile>
 
         <RollingFile name="Checkpoint-Agent-RollingFile-Appender"
-                     fileName="${log-path}/checkpoints_agent-${date:yyyyMMdd-HHmmss}.log"
+                     fileName="${log_path}/checkpoints_agent-${date:yyyyMMdd-HHmmss}.log"
                      filePattern="${archive}/checkpoints_agent.%date{yyyy-MM-dd}-%i.log.gz">
 
             <PatternLayout pattern="[%-5level] %date{ISO8601}{UTC}Z [%t] %c{2}.%method - %msg%n"/>
@@ -171,7 +105,7 @@
         </RollingFile>
 
         <Rewrite name="Console-ErrorCode-Selector">
-            <AppenderRef ref="Console-Selector"/>
+            <AppenderRef ref="Console-Appender"/>
         </Rewrite>
 
         <Rewrite name="Console-ErrorCode-Appender-Println">
@@ -187,8 +121,8 @@
     </Appenders>
 
     <Loggers>
-        <Root level="${defaultLogLevel}">
+        <Root level="${default_log_level}">
-            <AppenderRef ref="Console-ErrorCode-Selector" level="${consoleLogLevel}"/>
+            <AppenderRef ref="Console-ErrorCode-Selector" level="${console_log_level}"/>
             <AppenderRef ref="RollingFile-ErrorCode-Appender"/>
         </Root>
         <Logger name="BasicInfo" additivity="false">

constants.properties

@@ -3,35 +3,32 @@
 # their own projects. So don't get fancy with syntax!
 # Fancy syntax - multi pass ${whatever} replacement
 
-cordaVersion=4.11
+cordaVersion=4.12
 versionSuffix=SNAPSHOT
-gradlePluginsVersion=5.0.12
+cordaShellVersion=4.12-SNAPSHOT
-kotlinVersion=1.2.71
+gradlePluginsVersion=5.1.1
-java8MinUpdateVersion=171
+artifactoryContextUrl=https://software.r3.com/artifactory
+internalPublishVersion=1.+
 # ***************************************************************#
 # When incrementing platformVersion make sure to update          #
 # net.corda.core.internal.CordaUtilsKt.PLATFORM_VERSION as well. #
 # ***************************************************************#
-platformVersion=13
+platformVersion=140
 openTelemetryVersion=1.20.1
 openTelemetrySemConvVersion=1.20.1-alpha
-guavaVersion=28.0-jre
+guavaVersion=33.1.0-jre
-# Quasar version to use with Java 8:
+quasarVersion=0.9.0_r3
-quasarVersion=0.7.16_r3
-# Quasar version to use with Java 11:
-quasarVersion11=0.8.1_r3
-jdkClassifier11=jdk11
 dockerJavaVersion=3.2.5
-proguardVersion=6.1.1
+proguardVersion=7.3.1
-// bouncy castle version must not be changed on a patch release. Needs a full release test cycle to flush out any issues.
+# Switch to release version when out
-bouncycastleVersion=1.78.1
+bouncycastleVersion=2.73.6
 classgraphVersion=4.8.135
 disruptorVersion=3.4.2
 typesafeConfigVersion=1.3.4
 jsr305Version=3.0.2
 artifactoryPluginVersion=4.16.1
-snakeYamlVersion=1.33
+snakeYamlVersion=2.2
-caffeineVersion=2.9.3
+caffeineVersion=3.1.8
 metricsVersion=4.1.0
 metricsNewRelicVersion=1.1.1
 openSourceBranch=https://github.com/corda/corda/blob/release/os/4.4
@@ -46,22 +43,22 @@ commonsTextVersion=1.10.0
 
 # gradle-capsule-plugin:1.0.2 contains capsule:1.0.1 by default.
 # We must configure it manually to use the latest capsule version.
-capsuleVersion=1.0.3
+capsuleVersion=1.0.4_r3
-asmVersion=7.1
+asmVersion=9.5
-artemisVersion=2.19.1
+artemisVersion=2.36.0
 # TODO Upgrade Jackson only when corda is using kotlin 1.3.10
 jacksonVersion=2.17.2
-jacksonKotlinVersion=2.9.7
+jacksonKotlinVersion=2.17.0
-jettyVersion=9.4.53.v20231009
+jettyVersion=12.0.7
-jerseyVersion=2.25
+jerseyVersion=3.1.6
 servletVersion=4.0.1
 assertjVersion=3.12.2
-slf4JVersion=1.7.30
+slf4JVersion=2.0.12
-log4JVersion=2.17.1
+log4JVersion=2.23.1
-okhttpVersion=3.14.9
+okhttpVersion=4.12.0
-nettyVersion=4.1.77.Final
+nettyVersion=4.1.109.Final
-fileuploadVersion=1.4
+fileuploadVersion=2.0.0-M1
-kryoVersion=4.0.2
+kryoVersion=5.5.0
 kryoSerializerVersion=0.43
 # Legacy JUnit 4 version
 junitVersion=4.12
@@ -71,8 +68,8 @@ junitVersion=4.12
 junitVintageVersion=5.5.0-RC1
 junitJupiterVersion=5.5.0-RC1
 junitPlatformVersion=1.5.0-RC1
-mockitoVersion=2.28.2
+mockitoVersion=5.5.0
-mockitoKotlinVersion=1.6.0
+mockitoKotlinVersion=5.2.1
 hamkrestVersion=1.7.0.0
 joptSimpleVersion=5.0.2
 jansiVersion=1.18
@@ -80,13 +77,12 @@ hibernateVersion=5.6.14.Final
 # h2Version - Update docs if renamed or removed.
 h2Version=2.2.224
 rxjavaVersion=1.3.8
-dokkaVersion=0.10.1
+dokkaVersion=1.8.20
-eddsaVersion=0.3.0
 dependencyCheckerVersion=5.2.0
 commonsCollectionsVersion=4.3
 beanutilsVersion=1.9.4
 shiroVersion=1.10.0
-hikariVersion=3.3.1
+hikariVersion=5.1.0
 liquibaseVersion=4.20.0
 dockerComposeRuleVersion=1.5.0
 seleniumVersion=3.141.59
@@ -97,13 +93,9 @@ protonjVersion=0.33.0
 snappyVersion=0.5
 jcabiManifestsVersion=1.1
 picocliVersion=3.9.6
-commonsLangVersion=3.9
+commonsIoVersion=2.7
-commonsIoVersion=2.6
 controlsfxVersion=8.40.15
-# FontAwesomeFX for Java8
-fontawesomefxCommonsJava8Version=8.15
-fontawesomefxFontawesomeJava8Version=4.7.0-5
-# FontAwesomeFX for a more recent version of the Java Runtime (class file version 55.0)
 fontawesomefxCommonsVersion=11.0
 fontawesomefxFontawesomeVersion=4.7.0-11
-javaassistVersion=3.27.0-GA
+javaassistVersion=3.29.2-GA
+joorVersion=0.9.15

core-1.2/README.md

@@ -0,0 +1,4 @@
+This is a Kotlin 1.2 version of the `core` module, which is consumed by the `verifier` module, for verifying contracts written in Kotlin 
+1.2. This is just a "shell" module which uses the existing the code in `core` and compiles it with the 1.2 compiler.
+
+To allow `core` to benefit from new APIs introduced since 1.2, those APIs much be copied into this module with the same `kotlin` package.

core-1.2/build.gradle

@@ -0,0 +1,34 @@
+apply plugin: "corda.kotlin-1.2"
+apply plugin: "corda.common-publishing"
+
+description 'Corda core built with Kotlin 1.2'
+
+sourceSets {
+    main {
+        java.srcDir("../core/src/main/java")
+        kotlin.srcDir("../core/src/main/kotlin")
+    }
+}
+
+dependencies {
+    // Use the same dependencies as core (minus Kotlin)
+    implementation(project(path: ":core", configuration: "resolvableImplementation")) {
+        exclude(group: "org.jetbrains.kotlin")
+    }
+    implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_1_2_version"
+    implementation "co.paralleluniverse:quasar-core:$quasar_version"
+}
+
+jar {
+    archiveBaseName = 'corda-core-1.2'
+}
+
+// TODO Don't publish publicly as it's only needed by the `verifier` module which consumes this into a fat jar.
+publishing {
+    publications {
+        maven(MavenPublication) {
+            artifactId 'corda-core-1.2'
+            from components.java
+        }
+    }
+}

core-1.2/src/main/kotlin/kotlin/CharCode1.2.kt

@@ -0,0 +1,5 @@
+// Implement the new post-1.2 APIs which are used by core and serialization
+@file:Suppress("unused")
+package kotlin
+
+inline val Char.code: Int get() = this.toInt()

core-1.2/src/main/kotlin/kotlin/collections/KotlinCollections1.2.kt

@@ -0,0 +1,37 @@
+// Implement the new post-1.2 APIs which are used by core and serialization
+@file:Suppress("unused", "MagicNumber", "INVISIBLE_MEMBER")
+
+package kotlin.collections
+
+inline fun <K, V> Iterable<K>.associateWith(valueSelector: (K) -> V): Map<K, V> {
+    val result = LinkedHashMap<K, V>(mapCapacity(if (this is Collection<*>) size else 10).coerceAtLeast(16))
+    return associateWithTo(result, valueSelector)
+}
+
+inline fun <K, V, M : MutableMap<in K, in V>> Iterable<K>.associateWithTo(destination: M, valueSelector: (K) -> V): M {
+    for (element in this) {
+        destination.put(element, valueSelector(element))
+    }
+    return destination
+}
+
+inline fun <T> Iterable<T>.sumOf(selector: (T) -> Int): Int {
+    var sum = 0
+    for (element in this) {
+        sum += selector(element)
+    }
+    return sum
+}
+
+inline fun <T, R : Comparable<R>> Iterable<T>.maxOf(selector: (T) -> R): R {
+    val iterator = iterator()
+    if (!iterator.hasNext()) throw NoSuchElementException()
+    var maxValue = selector(iterator.next())
+    while (iterator.hasNext()) {
+        val v = selector(iterator.next())
+        if (maxValue < v) {
+            maxValue = v
+        }
+    }
+    return maxValue
+}

core-1.2/src/main/kotlin/kotlin/io/path/KotlinIoPath1.2.kt

@@ -0,0 +1,37 @@
+// Implement the new post-1.2 APIs which are used by core and serialization
+@file:Suppress("unused", "SpreadOperator", "NOTHING_TO_INLINE")
+
+package kotlin.io.path
+
+import java.io.InputStream
+import java.io.OutputStream
+import java.nio.file.Files
+import java.nio.file.LinkOption
+import java.nio.file.OpenOption
+import java.nio.file.Path
+import java.nio.file.attribute.FileAttribute
+
+inline operator fun Path.div(other: String): Path = this.resolve(other)
+
+fun Path.listDirectoryEntries(glob: String = "*"): List<Path> = Files.newDirectoryStream(this, glob).use { it.toList() }
+
+inline fun Path.createDirectories(vararg attributes: FileAttribute<*>): Path = Files.createDirectories(this, *attributes)
+
+inline fun Path.deleteIfExists(): Boolean = Files.deleteIfExists(this)
+
+inline fun Path.exists(vararg options: LinkOption): Boolean = Files.exists(this, *options)
+
+inline fun Path.inputStream(vararg options: OpenOption): InputStream = Files.newInputStream(this, *options)
+
+inline fun Path.outputStream(vararg options: OpenOption): OutputStream = Files.newOutputStream(this, *options)
+
+inline fun Path.isDirectory(vararg options: LinkOption): Boolean = Files.isDirectory(this, *options)
+
+inline fun Path.isSymbolicLink(): Boolean = Files.isSymbolicLink(this)
+
+inline fun Path.readSymbolicLink(): Path = Files.readSymbolicLink(this)
+
+val Path.name: String
+    get() = fileName?.toString().orEmpty()
+
+inline fun Path.readBytes(): ByteArray = Files.readAllBytes(this)

core-1.2/src/main/kotlin/kotlin/text/CharJVM1.2.kt

@@ -0,0 +1,24 @@
+// Implement the new post-1.2 APIs which are used by core and serialization
+@file:Suppress("NOTHING_TO_INLINE", "unused")
+
+package kotlin.text
+
+import java.util.Locale
+
+inline fun Char.isLowerCase(): Boolean = Character.isLowerCase(this)
+public fun Char.lowercase(locale: Locale): String = toString().lowercase(locale)
+inline fun Char.lowercaseChar(): Char = Character.toLowerCase(this)
+inline fun Char.uppercase(): String = toString().uppercase()
+fun Char.uppercase(locale: Locale): String = toString().uppercase(locale)
+inline fun Char.titlecaseChar(): Char = Character.toTitleCase(this)
+fun Char.titlecase(locale: Locale): String {
+    val localizedUppercase = uppercase(locale)
+    if (localizedUppercase.length > 1) {
+        return if (this == '\u0149') localizedUppercase else localizedUppercase[0] + localizedUppercase.substring(1).lowercase()
+    }
+    if (localizedUppercase != uppercase()) {
+        return localizedUppercase
+    }
+    return titlecaseChar().toString()
+}
+

core-1.2/src/main/kotlin/kotlin/text/StringBuilder1.2.kt

@@ -0,0 +1,12 @@
+// Implement the new post-1.2 APIs which are used by core and serialization
+@file:Suppress("NOTHING_TO_INLINE", "unused")
+package kotlin.text
+
+// StringBuilder
+fun StringBuilder.append(vararg value: String?): StringBuilder {
+    for (item in value)
+        append(item)
+    return this
+}
+inline fun StringBuilder.appendLine(): StringBuilder = append('\n')
+inline fun StringBuilder.appendLine(value: String?): StringBuilder = append(value).appendLine()

core-1.2/src/main/kotlin/kotlin/text/Strings1.2.kt

@@ -0,0 +1,8 @@
+// Implement the new post-1.2 APIs which are used by core and serialization
+@file:Suppress("unused")
+
+package kotlin.text
+
+inline fun String.replaceFirstChar(transform: (Char) -> CharSequence): String {
+    return if (isNotEmpty()) transform(this[0]).toString() + substring(1) else this
+}

core-1.2/src/main/kotlin/kotlin/text/StringsJVM1.2.kt

@@ -0,0 +1,12 @@
+// Implement the new post-1.2 APIs which are used by core and serialization
+@file:Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN", "NOTHING_TO_INLINE", "unused")
+
+package kotlin.text
+
+import java.util.Locale
+
+// String extensions
+inline fun String.lowercase(): String = (this as java.lang.String).toLowerCase(Locale.ROOT)
+inline fun String.lowercase(locale: Locale): String = (this as java.lang.String).toLowerCase(locale)
+inline fun String.uppercase(): String = (this as java.lang.String).toUpperCase(Locale.ROOT)
+inline fun String.uppercase(locale: Locale): String = (this as java.lang.String).toUpperCase(locale)

core-tests/build.gradle

@@ -1,18 +1,21 @@
-apply plugin: 'kotlin'
+apply plugin: 'org.jetbrains.kotlin.jvm'
-apply plugin: 'kotlin-jpa'
+apply plugin: 'org.jetbrains.kotlin.plugin.jpa'
 apply plugin: 'net.corda.plugins.quasar-utils'
+apply plugin: 'idea'
 
 description 'Corda core tests'
 
 configurations {
-    integrationTestCompile.extendsFrom testCompile
+    integrationTestImplementation.extendsFrom testImplementation
     integrationTestRuntimeOnly.extendsFrom testRuntimeOnly
 
-    smokeTestCompile.extendsFrom compile
+    smokeTestImplementation.extendsFrom implementation
     smokeTestRuntimeOnly.extendsFrom runtimeOnly
-}
 
-evaluationDependsOn(':node:capsule')
+    testArtifacts.extendsFrom testRuntimeOnlyClasspath
+
+    corda4_11
+}
 
 sourceSets {
     integrationTest {
@@ -41,63 +44,98 @@ sourceSets {
 
 processSmokeTestResources {
     // Bring in the fully built corda.jar for use by NodeFactory in the smoke tests
-    from(project(':node:capsule').tasks['buildCordaJAR']) {
+    from(tasks.getByPath(":node:capsule:buildCordaJAR")) {
         rename 'corda-(.*)', 'corda.jar'
     }
+    from(tasks.getByPath(":finance:workflows:jar")) {
+        rename 'corda-finance-workflows-.*.jar', 'corda-finance-workflows.jar'
+    }
+    from(tasks.getByPath(":finance:contracts:jar")) {
+        rename 'corda-finance-contracts-.*.jar', 'corda-finance-contracts.jar'
+    }
+    from(tasks.getByPath(":testing:cordapps:4.11-workflows:jar"))
+    from(configurations.corda4_11)
+}
+
+processIntegrationTestResources {
+    from(tasks.getByPath(":finance:contracts:jar")) {
+        rename 'corda-finance-contracts-.*.jar', 'corda-finance-contracts.jar'
+    }
+    from(configurations.corda4_11)
+}
+
+processTestResources {
+    from(configurations.corda4_11)
 }
 
 dependencies {
-
+    testImplementation project(":core")
+    testImplementation project(":serialization")
+    testImplementation project(":finance:contracts")
+    testImplementation project(":finance:workflows")
+    testImplementation project(":node")
+    testImplementation project(":node-api")
+    testImplementation project(":client:rpc")
+    testImplementation project(":common-configuration-parsing")
+    testImplementation project(":core-test-utils")
+    testImplementation project(":test-utils")
+    testImplementation project(":node-driver")
+    // used by FinalityFlowTests
+    testImplementation project(':testing:cordapps:cashobservers')
+    testImplementation(project(path: ':core', configuration: 'testArtifacts')) {
+        transitive = false
+    }
     testImplementation "org.junit.jupiter:junit-jupiter-api:${junit_jupiter_version}"
     testImplementation "junit:junit:$junit_version"
+    testImplementation "org.apache.commons:commons-fileupload2-jakarta:$fileupload_version"
+    // Guava: Google test library (collections test suite)
+    testImplementation "com.google.guava:guava-testlib:$guava_version"
+    testImplementation "com.google.jimfs:jimfs:1.1"
+    testImplementation "com.typesafe:config:$typesafe_config_version"
+    testImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
+    // Hamkrest, for fluent, composable matchers
+    testImplementation "com.natpryce:hamkrest:$hamkrest_version"
+    testImplementation 'org.hamcrest:hamcrest-library:2.1'
+    testImplementation "org.mockito.kotlin:mockito-kotlin:$mockito_kotlin_version"
+    testImplementation "org.mockito:mockito-core:$mockito_version"
+    // AssertJ: for fluent assertions for testing
+    testImplementation "org.assertj:assertj-core:${assertj_version}"
+    // Guava: Google utilities library.
+    testImplementation "com.google.guava:guava:$guava_version"
+    testImplementation "com.esotericsoftware:kryo:$kryo_version"
+    testImplementation "co.paralleluniverse:quasar-core:$quasar_version"
+    testImplementation "org.hibernate:hibernate-core:$hibernate_version"
+    testImplementation "org.bouncycastle:bcprov-lts8on:${bouncycastle_version}"
+    testImplementation "io.netty:netty-common:$netty_version"
+    testImplementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
+
     testRuntimeOnly "org.junit.vintage:junit-vintage-engine:${junit_vintage_version}"
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:${junit_jupiter_version}"
     testRuntimeOnly "org.junit.platform:junit-platform-launcher:${junit_platform_version}"
 
-    testCompile "commons-fileupload:commons-fileupload:$fileupload_version"
-    testCompile project(":core")
-    testCompile project(path: ':core', configuration: 'testArtifacts')
-    
-    // Guava: Google test library (collections test suite)
-    testCompile "com.google.guava:guava-testlib:$guava_version"
-
-    // Bring in the MockNode infrastructure for writing protocol unit tests.
-    testCompile project(":node-driver")
-
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    compile "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
-    testCompile "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
-
-    // Hamkrest, for fluent, composable matchers
-    testCompile "com.natpryce:hamkrest:$hamkrest_version"
-
-    // SLF4J: commons-logging bindings for a SLF4J back end
-    compile "org.slf4j:jcl-over-slf4j:$slf4j_version"
-    compile "org.slf4j:slf4j-api:$slf4j_version"
-
-    // AssertJ: for fluent assertions for testing
-    testCompile "org.assertj:assertj-core:${assertj_version}"
-
-    // Guava: Google utilities library.
-    testCompile "com.google.guava:guava:$guava_version"
-
     // Smoke tests do NOT have any Node code on the classpath!
+    smokeTestImplementation project(":core")
+    smokeTestImplementation project(":node-api")
+    smokeTestImplementation project(":client:rpc")
+    smokeTestImplementation project(':smoke-test-utils')
+    smokeTestImplementation project(':core-test-utils')
+    smokeTestImplementation project(":finance:workflows")
+    smokeTestImplementation project(":testing:cordapps:4.11-workflows")
+    smokeTestImplementation project(":finance:contracts")
+    smokeTestImplementation "org.assertj:assertj-core:${assertj_version}"
+    smokeTestImplementation "org.bouncycastle:bcprov-lts8on:${bouncycastle_version}"
+    smokeTestImplementation "co.paralleluniverse:quasar-core:$quasar_version"
     smokeTestImplementation "org.junit.jupiter:junit-jupiter-api:${junit_jupiter_version}"
     smokeTestImplementation "junit:junit:$junit_version"
 
     smokeTestRuntimeOnly "org.junit.vintage:junit-vintage-engine:${junit_vintage_version}"
     smokeTestRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:${junit_jupiter_version}"
     smokeTestRuntimeOnly "org.junit.platform:junit-platform-launcher:${junit_platform_version}"
+    smokeTestRuntimeOnly "org.slf4j:slf4j-simple:$slf4j_version"
 
-    smokeTestCompile project(':smoke-test-utils')
+    corda4_11 "net.corda:corda-finance-contracts:4.11"
-    smokeTestCompile "org.assertj:assertj-core:${assertj_version}"
+    corda4_11 "net.corda:corda-finance-workflows:4.11"
-
+    corda4_11 "net.corda:corda:4.11"
-    // used by FinalityFlowTests
-    testCompile project(':testing:cordapps:cashobservers')
-}
-
-configurations {
-    testArtifacts.extendsFrom testRuntimeClasspath
 }
 
 tasks.withType(Test).configureEach {
@@ -105,27 +143,36 @@ tasks.withType(Test).configureEach {
     forkEvery = 10
 }
 
-task testJar(type: Jar) {
+tasks.register('testJar', Jar) {
     classifier "tests"
     from sourceSets.test.output
 }
 
-task integrationTest(type: Test) {
+tasks.register('integrationTest', Test) {
     testClassesDirs = sourceSets.integrationTest.output.classesDirs
     classpath = sourceSets.integrationTest.runtimeClasspath
 }
 
-task smokeTestJar(type: Jar) {
+tasks.register('smokeTestJar', Jar) {
     classifier 'smokeTests'
-    from sourceSets.smokeTest.output
+    from(sourceSets.smokeTest.output) {
+        exclude("*.jar")
+    }
 }
 
-task smokeTest(type: Test) {
+tasks.register('smokeTest', Test) {
     dependsOn smokeTestJar
     testClassesDirs = sourceSets.smokeTest.output.classesDirs
     classpath = sourceSets.smokeTest.runtimeClasspath
 }
 
+idea {
+    module {
+        downloadJavadoc = true
+        downloadSources = true
+    }
+}
+
 // quasar exclusions upon agent code instrumentation at run-time
 quasar {
     excludePackages.addAll(
@@ -140,7 +187,6 @@ quasar {
             "io.github.classgraph**",
             "io.netty*",
             "liquibase**",
-            "net.i2p.crypto.**",
             "nonapi.io.github.classgraph.**",
             "org.apiguardian.**",
             "org.bouncycastle**",

core-tests/src/integration-test/kotlin/net/corda/coretests/transactions/TransactionBuilderDriverTest.kt

@@ -0,0 +1,198 @@
+package net.corda.coretests.transactions
+
+import co.paralleluniverse.fibers.Suspendable
+import net.corda.core.contracts.TransactionState
+import net.corda.core.flows.FlowLogic
+import net.corda.core.flows.StartableByRPC
+import net.corda.core.internal.hash
+import net.corda.core.internal.mapToSet
+import net.corda.core.internal.toPath
+import net.corda.core.messaging.startFlow
+import net.corda.core.transactions.SignedTransaction
+import net.corda.core.transactions.TransactionBuilder
+import net.corda.core.utilities.OpaqueBytes
+import net.corda.core.utilities.getOrThrow
+import net.corda.coretesting.internal.delete
+import net.corda.coretesting.internal.modifyJarManifest
+import net.corda.coretesting.internal.useZipFile
+import net.corda.finance.DOLLARS
+import net.corda.finance.contracts.CommercialPaper
+import net.corda.finance.contracts.asset.Cash
+import net.corda.finance.flows.CashIssueAndPaymentFlow
+import net.corda.finance.issuedBy
+import net.corda.testing.common.internal.testNetworkParameters
+import net.corda.testing.core.ALICE_NAME
+import net.corda.testing.core.internal.JarSignatureTestUtils.unsignJar
+import net.corda.testing.driver.NodeHandle
+import net.corda.testing.driver.NodeParameters
+import net.corda.testing.node.TestCordapp
+import net.corda.testing.node.internal.DriverDSLImpl
+import net.corda.testing.node.internal.FINANCE_WORKFLOWS_CORDAPP
+import net.corda.testing.node.internal.TestCordappInternal
+import net.corda.testing.node.internal.UriTestCordapp
+import net.corda.testing.node.internal.enclosedCordapp
+import net.corda.testing.node.internal.internalDriver
+import org.assertj.core.api.Assertions.assertThat
+import org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy
+import org.junit.Test
+import java.nio.file.Files
+import java.nio.file.Path
+import java.time.Duration
+import java.time.Instant
+import kotlin.io.path.absolutePathString
+import kotlin.io.path.copyTo
+import kotlin.io.path.createDirectories
+import kotlin.io.path.inputStream
+import kotlin.io.path.isRegularFile
+import kotlin.io.path.moveTo
+
+class TransactionBuilderDriverTest {
+    companion object {
+        val currentFinanceContractsJar = this::class.java.getResource("/corda-finance-contracts.jar")!!.toPath()
+        val legacyFinanceContractsJar = this::class.java.getResource("/corda-finance-contracts-4.11.jar")!!.toPath()
+    }
+
+    @Test(timeout=300_000)
+    fun `adds CorDapp dependencies`() {
+        internalDriver(cordappsForAllNodes = listOf(FINANCE_WORKFLOWS_CORDAPP), startNodesInProcess = false) {
+            val (cordapp, dependency) = splitFinanceContractCordapp(currentFinanceContractsJar)
+
+            cordapp.jarFile.inputStream().use(defaultNotaryNode.getOrThrow().rpc::uploadAttachment)
+            dependency.jarFile.inputStream().use(defaultNotaryNode.getOrThrow().rpc::uploadAttachment)
+
+            // Start the node with the CorDapp but without the dependency
+            val node = startNode(NodeParameters(ALICE_NAME, additionalCordapps = listOf(cordapp))).getOrThrow()
+
+            // First make sure the missing dependency causes an issue
+            assertThatThrownBy {
+                createTransaction(node)
+            }.hasMessageContaining("Transaction being built has a missing attachment for class net/corda/finance/contracts/asset/")
+
+            // Upload the missing dependency
+            dependency.jarFile.inputStream().use(node.rpc::uploadAttachment)
+
+            val stx = createTransaction(node)
+            assertThat(stx.tx.attachments).contains(cordapp.jarFile.hash, dependency.jarFile.hash)
+        }
+    }
+
+    @Test(timeout=300_000)
+    fun `adds legacy contracts CorDapp dependencies`() {
+        internalDriver(
+                cordappsForAllNodes = listOf(FINANCE_WORKFLOWS_CORDAPP),
+                startNodesInProcess = false,
+                networkParameters = testNetworkParameters(minimumPlatformVersion = 4)
+        ) {
+            val (legacyContracts, legacyDependency) = splitFinanceContractCordapp(legacyFinanceContractsJar)
+            val currentContracts = TestCordapp.of(currentFinanceContractsJar.toUri()).asSigned() as TestCordappInternal
+
+            currentContracts.jarFile.inputStream().use(defaultNotaryNode.getOrThrow().rpc::uploadAttachment)
+
+            // Start the node with the legacy CorDapp but without the dependency
+            val node = startNode(NodeParameters(
+                    ALICE_NAME,
+                    additionalCordapps = listOf(currentContracts),
+                    legacyContracts = listOf(legacyContracts)
+            )).getOrThrow()
+
+            // First make sure the missing dependency causes an issue
+            assertThatThrownBy {
+                createTransaction(node)
+            }.hasMessageContaining("Transaction being built has a missing legacy attachment for class net/corda/finance/contracts/asset/")
+
+            // Upload the missing dependency
+            legacyDependency.jarFile.inputStream().use(node.rpc::uploadAttachment)
+
+            val stx = createTransaction(node)
+            assertThat(stx.tx.legacyAttachments).contains(legacyContracts.jarFile.hash, legacyDependency.jarFile.hash)
+        }
+    }
+
+    @Test(timeout=300_000)
+    fun `prevents transaction which is multi-contract but not backwards compatible because one of the contracts has missing legacy attachment`() {
+        internalDriver(
+                cordappsForAllNodes = listOf(FINANCE_WORKFLOWS_CORDAPP, enclosedCordapp()),
+                startNodesInProcess = false,
+                networkParameters = testNetworkParameters(minimumPlatformVersion = 4),
+                isDebug = true
+        ) {
+            val (currentCashContract, currentCpContract) = splitJar(currentFinanceContractsJar) { "CommercialPaper" in it.absolutePathString() }
+            val (legacyCashContract, _) = splitJar(legacyFinanceContractsJar) { "CommercialPaper" in it.absolutePathString() }
+
+            currentCashContract.jarFile.inputStream().use(defaultNotaryNode.getOrThrow().rpc::uploadAttachment)
+            currentCpContract.jarFile.inputStream().use(defaultNotaryNode.getOrThrow().rpc::uploadAttachment)
+
+            // The node has the legacy CommericalPaper contract missing
+            val node = startNode(NodeParameters(
+                    ALICE_NAME,
+                    additionalCordapps = listOf(currentCashContract, currentCpContract),
+                    legacyContracts = listOf(legacyCashContract)
+            )).getOrThrow()
+
+            assertThatThrownBy { node.rpc.startFlow(::TwoContractTransactionFlow).returnValue.getOrThrow() }
+                    .hasMessageContaining("Transaction being built has a missing legacy attachment")
+                    .hasMessageContaining("CommercialPaper")
+        }
+    }
+
+    /**
+     * Split the given finance contracts jar into two such that the second jar becomes a dependency to the first.
+     */
+    private fun DriverDSLImpl.splitFinanceContractCordapp(contractsJar: Path): Pair<UriTestCordapp, UriTestCordapp> {
+        return splitJar(contractsJar) { it.absolutePathString() == "/net/corda/finance/contracts/asset/CashUtilities.class" }
+    }
+
+    private fun DriverDSLImpl.splitJar(path: Path, move: (Path) -> Boolean): Pair<UriTestCordapp, UriTestCordapp> {
+        val jar1 = Files.createTempFile(driverDirectory, "jar1-", ".jar")
+        val jar2 = Files.createTempFile(driverDirectory, "jar2-", ".jar")
+
+        path.copyTo(jar1, overwrite = true)
+        jar1.useZipFile { zipFs1 ->
+            jar2.useZipFile { zipFs2 ->
+                Files.walk(zipFs1.getPath("/")).filter { it.isRegularFile() && move(it) }.forEach { file ->
+                    val target = zipFs2.getPath(file.absolutePathString())
+                    target.parent?.createDirectories()
+                    file.moveTo(target)
+                }
+            }
+        }
+        jar1.modifyJarManifest { manifest ->
+            manifest.mainAttributes.delete("Sealed")
+        }
+        jar1.unsignJar()
+
+        return Pair(
+                TestCordapp.of(jar1.toUri()).asSigned() as UriTestCordapp,
+                TestCordapp.of(jar2.toUri()).asSigned() as UriTestCordapp
+        )
+    }
+
+    private fun DriverDSLImpl.createTransaction(node: NodeHandle): SignedTransaction {
+        return node.rpc.startFlow(
+                ::CashIssueAndPaymentFlow,
+                1.DOLLARS,
+                OpaqueBytes.of(0x00),
+                defaultNotaryIdentity,
+                false,
+                defaultNotaryIdentity
+        ).returnValue.getOrThrow().stx
+    }
+
+
+    @StartableByRPC
+    class TwoContractTransactionFlow : FlowLogic<Unit>() {
+        @Suspendable
+        override fun call() {
+            val notary = serviceHub.networkMapCache.notaryIdentities[0]
+            val builder = TransactionBuilder(notary)
+            val issuer = ourIdentity.ref(OpaqueBytes.of(0x00))
+            val amount = 1.DOLLARS.issuedBy(issuer)
+            val signers = Cash().generateIssue(builder, amount, ourIdentity, notary)
+            builder.addOutputState(TransactionState(CommercialPaper.State(issuer, ourIdentity, amount, Instant.MAX), notary = notary))
+            builder.addCommand(CommercialPaper.Commands.Issue(), signers.first())
+            builder.setTimeWindow(Instant.now(), Duration.ofMinutes(1))
+            require(builder.outputStates().mapToSet { it.contract }.size > 1)
+            serviceHub.signInitialTransaction(builder, signers)
+        }
+    }
+}

core-tests/src/smoke-test/kotlin/net/corda/coretests/NodeVersioningTest.kt

@@ -4,20 +4,20 @@ import co.paralleluniverse.fibers.Suspendable
 import net.corda.core.flows.FlowLogic
 import net.corda.core.flows.StartableByRPC
 import net.corda.core.identity.CordaX500Name
-import net.corda.core.internal.*
+import net.corda.core.internal.PLATFORM_VERSION
 import net.corda.core.messaging.startFlow
 import net.corda.core.utilities.getOrThrow
 import net.corda.nodeapi.internal.config.User
-import net.corda.smoketesting.NodeConfig
+import net.corda.smoketesting.NodeParams
 import net.corda.smoketesting.NodeProcess
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.After
 import org.junit.Before
 import org.junit.Test
-import java.nio.file.Paths
 import java.util.concurrent.atomic.AtomicInteger
 import java.util.jar.JarFile
-import kotlin.streams.toList
+import kotlin.io.path.Path
+import kotlin.io.path.listDirectoryEntries
 
 class NodeVersioningTest {
     private companion object {
@@ -27,58 +27,39 @@ class NodeVersioningTest {
 
     private val factory = NodeProcess.Factory()
 
-    private val notaryConfig = NodeConfig(
-            legalName = CordaX500Name(organisation = "Notary Service", locality = "Zurich", country = "CH"),
-            p2pPort = port.andIncrement,
-            rpcPort = port.andIncrement,
-            rpcAdminPort = port.andIncrement,
-            isNotary = true,
-            users = listOf(superUser)
-    )
-
-    private val aliceConfig = NodeConfig(
-            legalName = CordaX500Name(organisation = "Alice Corp", locality = "Madrid", country = "ES"),
-            p2pPort = port.andIncrement,
-            rpcPort = port.andIncrement,
-            rpcAdminPort = port.andIncrement,
-            isNotary = false,
-            users = listOf(superUser)
-    )
-
     private lateinit var notary: NodeProcess
 
     @Before
-    fun setUp() {
+    fun startNotary() {
-        notary = factory.create(notaryConfig)
+        notary = factory.createNotaries(NodeParams(
+                legalName = CordaX500Name(organisation = "Notary Service", locality = "Zurich", country = "CH"),
+                p2pPort = port.andIncrement,
+                rpcPort = port.andIncrement,
+                rpcAdminPort = port.andIncrement,
+                users = listOf(superUser),
+                // Find the jar file for the smoke tests of this module
+                cordappJars = Path("build", "libs").listDirectoryEntries("*-smokeTests*")
+        ))[0]
     }
 
     @After
     fun done() {
-        notary.close()
+        factory.close()
     }
 
     @Test(timeout=300_000)
 	fun `platform version in manifest file`() {
-        val manifest = JarFile(factory.cordaJar.toFile()).manifest
+        val manifest = JarFile(NodeProcess.Factory.getCordaJar().toFile()).manifest
         assertThat(manifest.mainAttributes.getValue("Corda-Platform-Version").toInt()).isEqualTo(PLATFORM_VERSION)
     }
 
     @Test(timeout=300_000)
 	fun `platform version from RPC`() {
-        val cordappsDir = (factory.baseDirectory(aliceConfig) / NodeProcess.CORDAPPS_DIR_NAME).createDirectories()
+        notary.connect(superUser).use {
-        // Find the jar file for the smoke tests of this module
+            val rpc = it.proxy
-        val selfCordapp = Paths.get("build", "libs").list {
+            assertThat(rpc.protocolVersion).isEqualTo(PLATFORM_VERSION)
-            it.filter { "-smokeTests" in it.toString() }.toList().single()
+            assertThat(rpc.nodeInfo().platformVersion).isEqualTo(PLATFORM_VERSION)
-        }
+            assertThat(rpc.startFlow(NodeVersioningTest::GetPlatformVersionFlow).returnValue.getOrThrow()).isEqualTo(PLATFORM_VERSION)
-        selfCordapp.copyToDirectory(cordappsDir)
-
-        factory.create(aliceConfig).use { alice ->
-            alice.connect(superUser).use {
-                val rpc = it.proxy
-                assertThat(rpc.protocolVersion).isEqualTo(PLATFORM_VERSION)
-                assertThat(rpc.nodeInfo().platformVersion).isEqualTo(PLATFORM_VERSION)
-                assertThat(rpc.startFlow(NodeVersioningTest::GetPlatformVersionFlow).returnValue.getOrThrow()).isEqualTo(PLATFORM_VERSION)
-            }
         }
     }
 

core-tests/src/smoke-test/kotlin/net/corda/coretests/cordapp/CordappSmokeTest.kt

@@ -3,11 +3,15 @@ package net.corda.coretests.cordapp
 import co.paralleluniverse.fibers.Suspendable
 import net.corda.core.crypto.Crypto.generateKeyPair
 import net.corda.core.crypto.sign
-import net.corda.core.flows.*
+import net.corda.core.flows.FlowInfo
+import net.corda.core.flows.FlowLogic
+import net.corda.core.flows.FlowSession
+import net.corda.core.flows.InitiatedBy
+import net.corda.core.flows.InitiatingFlow
+import net.corda.core.flows.StartableByRPC
 import net.corda.core.identity.CordaX500Name
 import net.corda.core.identity.Party
 import net.corda.core.identity.PartyAndCertificate
-import net.corda.core.internal.*
 import net.corda.core.messaging.startFlow
 import net.corda.core.node.NodeInfo
 import net.corda.core.serialization.serialize
@@ -21,20 +25,23 @@ import net.corda.nodeapi.internal.config.User
 import net.corda.nodeapi.internal.createDevNodeCa
 import net.corda.nodeapi.internal.crypto.CertificateType
 import net.corda.nodeapi.internal.crypto.X509Utilities
-import net.corda.smoketesting.NodeConfig
+import net.corda.smoketesting.NodeParams
 import net.corda.smoketesting.NodeProcess
-import net.corda.smoketesting.NodeProcess.Companion.CORDAPPS_DIR_NAME
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.After
 import org.junit.Before
 import org.junit.Test
 import java.nio.file.Path
-import java.nio.file.Paths
 import java.security.KeyPair
 import java.security.PrivateKey
 import java.security.PublicKey
 import java.util.concurrent.atomic.AtomicInteger
-import kotlin.streams.toList
+import kotlin.io.path.Path
+import kotlin.io.path.createDirectories
+import kotlin.io.path.div
+import kotlin.io.path.listDirectoryEntries
+import kotlin.io.path.name
+import kotlin.io.path.writeBytes
 
 class CordappSmokeTest {
     private companion object {
@@ -44,45 +51,35 @@ class CordappSmokeTest {
 
     private val factory = NodeProcess.Factory()
 
-    private val notaryConfig = NodeConfig(
+    private val aliceConfig = NodeParams(
-            legalName = CordaX500Name(organisation = "Notary Service", locality = "Zurich", country = "CH"),
-            p2pPort = port.andIncrement,
-            rpcPort = port.andIncrement,
-            rpcAdminPort = port.andIncrement,
-            isNotary = true,
-            users = listOf(superUser)
-    )
-
-    private val aliceConfig = NodeConfig(
             legalName = CordaX500Name(organisation = "Alice Corp", locality = "Madrid", country = "ES"),
             p2pPort = port.andIncrement,
             rpcPort = port.andIncrement,
             rpcAdminPort = port.andIncrement,
-            isNotary = false,
+            users = listOf(superUser),
-            users = listOf(superUser)
+            // Find the jar file for the smoke tests of this module
+            cordappJars = Path("build", "libs").listDirectoryEntries("*-smokeTests*")
     )
 
-    private lateinit var notary: NodeProcess
-
     @Before
-    fun setUp() {
+    fun startNotary() {
-        notary = factory.create(notaryConfig)
+        factory.createNotaries(NodeParams(
+                legalName = CordaX500Name(organisation = "Notary Service", locality = "Zurich", country = "CH"),
+                p2pPort = port.andIncrement,
+                rpcPort = port.andIncrement,
+                rpcAdminPort = port.andIncrement,
+                users = listOf(superUser)
+        ))
     }
 
     @After
     fun done() {
-        notary.close()
+        factory.close()
     }
 
     @Test(timeout=300_000)
 	fun `FlowContent appName returns the filename of the CorDapp jar`() {
         val baseDir = factory.baseDirectory(aliceConfig)
-        val cordappsDir = (baseDir / CORDAPPS_DIR_NAME).createDirectories()
-        // Find the jar file for the smoke tests of this module
-        val selfCordapp = Paths.get("build", "libs").list {
-            it.filter { "-smokeTests" in it.toString() }.toList().single()
-        }
-        selfCordapp.copyToDirectory(cordappsDir)
 
         // The `nodeReadyFuture` in the persistent network map cache will not complete unless there is at least one other
         // node in the network. We work around this limitation by putting another node info file in the additional-node-info
@@ -91,24 +88,17 @@ class CordappSmokeTest {
         val additionalNodeInfoDir = (baseDir / "additional-node-infos").createDirectories()
         createDummyNodeInfo(additionalNodeInfoDir)
 
-        factory.create(aliceConfig).use { alice ->
+        val alice = factory.createNode(aliceConfig)
-            alice.connect(superUser).use { connectionToAlice ->
+        alice.connect(superUser).use { connectionToAlice ->
-                val aliceIdentity = connectionToAlice.proxy.nodeInfo().legalIdentitiesAndCerts.first().party
+            val aliceIdentity = connectionToAlice.proxy.nodeInfo().legalIdentitiesAndCerts.first().party
-                val future = connectionToAlice.proxy.startFlow(CordappSmokeTest::GatherContextsFlow, aliceIdentity).returnValue
+            val future = connectionToAlice.proxy.startFlow(CordappSmokeTest::GatherContextsFlow, aliceIdentity).returnValue
-                val (sessionInitContext, sessionConfirmContext) = future.getOrThrow()
+            val (sessionInitContext, sessionConfirmContext) = future.getOrThrow()
-                val selfCordappName = selfCordapp.fileName.toString().removeSuffix(".jar")
+            val selfCordappName = aliceConfig.cordappJars[0].name.removeSuffix(".jar")
-                assertThat(sessionInitContext.appName).isEqualTo(selfCordappName)
+            assertThat(sessionInitContext.appName).isEqualTo(selfCordappName)
-                assertThat(sessionConfirmContext.appName).isEqualTo(selfCordappName)
+            assertThat(sessionConfirmContext.appName).isEqualTo(selfCordappName)
-            }
         }
     }
 
-    @Test(timeout=300_000)
-	fun `empty cordapps directory`() {
-        (factory.baseDirectory(aliceConfig) / CORDAPPS_DIR_NAME).createDirectories()
-        factory.create(aliceConfig).close()
-    }
-
     @InitiatingFlow
     @StartableByRPC
     class GatherContextsFlow(private val otherParty: Party) : FlowLogic<Pair<FlowInfo, FlowInfo>>() {
@@ -139,7 +129,7 @@ class CordappSmokeTest {
         val dummyKeyPair = generateKeyPair()
         val nodeInfo = createNodeInfoWithSingleIdentity(CordaX500Name(organisation = "Bob Corp", locality = "Madrid", country = "ES"), dummyKeyPair, dummyKeyPair.public)
         val signedNodeInfo = signWith(nodeInfo, listOf(dummyKeyPair.private))
-        (additionalNodeInfoDir / "nodeInfo-41408E093F95EAD51F6892C34DEB65AE1A3569A4B0E5744769A1B485AF8E04B5").write(signedNodeInfo.serialize().bytes)
+        (additionalNodeInfoDir / "nodeInfo-41408E093F95EAD51F6892C34DEB65AE1A3569A4B0E5744769A1B485AF8E04B5").writeBytes(signedNodeInfo.serialize().bytes)
     }
 
     private fun createNodeInfoWithSingleIdentity(name: CordaX500Name, nodeKeyPair: KeyPair, identityCertPublicKey: PublicKey): NodeInfo {

core-tests/src/smoke-test/kotlin/net/corda/coretests/verification/ExternalVerificationTests.kt

@@ -0,0 +1,304 @@
+package net.corda.coretests.verification
+
+import net.corda.client.rpc.CordaRPCClientConfiguration
+import net.corda.client.rpc.notUsed
+import net.corda.core.contracts.Amount
+import net.corda.core.crypto.SecureHash
+import net.corda.core.flows.UnexpectedFlowEndException
+import net.corda.core.identity.CordaX500Name
+import net.corda.core.identity.Party
+import net.corda.core.internal.PlatformVersionSwitches.MIGRATE_ATTACHMENT_TO_SIGNATURE_CONSTRAINTS
+import net.corda.core.internal.toPath
+import net.corda.core.messaging.CordaRPCOps
+import net.corda.core.messaging.startFlow
+import net.corda.core.node.NodeInfo
+import net.corda.core.transactions.SignedTransaction
+import net.corda.core.utilities.OpaqueBytes
+import net.corda.core.utilities.getOrThrow
+import net.corda.coretests.verification.VerificationType.BOTH
+import net.corda.coretests.verification.VerificationType.EXTERNAL
+import net.corda.finance.DOLLARS
+import net.corda.finance.USD
+import net.corda.finance.contracts.asset.Cash
+import net.corda.finance.flows.AbstractCashFlow
+import net.corda.finance.flows.CashIssueFlow
+import net.corda.finance.flows.CashPaymentFlow
+import net.corda.finance.workflows.getCashBalance
+import net.corda.nodeapi.internal.config.User
+import net.corda.smoketesting.NodeParams
+import net.corda.smoketesting.NodeProcess
+import net.corda.testing.common.internal.testNetworkParameters
+import net.corda.testing.cordapps.workflows411.IssueAndChangeNotaryFlow
+import net.corda.testing.core.DUMMY_NOTARY_NAME
+import net.corda.testing.core.internal.JarSignatureTestUtils.unsignJar
+import org.assertj.core.api.Assertions.assertThat
+import org.assertj.core.api.Assertions.assertThatExceptionOfType
+import org.junit.AfterClass
+import org.junit.BeforeClass
+import org.junit.Test
+import rx.Observable
+import java.net.InetAddress
+import java.nio.file.Path
+import java.util.Currency
+import java.util.concurrent.CompletableFuture
+import java.util.concurrent.atomic.AtomicInteger
+import kotlin.io.path.Path
+import kotlin.io.path.copyTo
+import kotlin.io.path.div
+import kotlin.io.path.listDirectoryEntries
+import kotlin.io.path.readText
+import kotlin.io.path.useLines
+
+class ExternalVerificationSignedCordappsTest {
+    private companion object {
+        private val factory = NodeProcess.Factory(testNetworkParameters(minimumPlatformVersion = MIGRATE_ATTACHMENT_TO_SIGNATURE_CONSTRAINTS))
+
+        private lateinit var notaries: List<NodeProcess>
+        private lateinit var oldNode: NodeProcess
+        private lateinit var currentNode: NodeProcess
+
+        @BeforeClass
+        @JvmStatic
+        fun startNodes() {
+            val (legacyContractsCordapp, legacyWorkflowsCordapp) = listOf("contracts", "workflows").map { smokeTestResource("corda-finance-$it-4.11.jar") }
+            // The current version finance CorDapp jars
+            val currentCordapps = listOf("contracts", "workflows").map { smokeTestResource("corda-finance-$it.jar") }
+
+            notaries = factory.createNotaries(
+                    nodeParams(DUMMY_NOTARY_NAME, cordappJars = currentCordapps, legacyContractJars = listOf(legacyContractsCordapp)),
+                    nodeParams(CordaX500Name("Notary Service 2", "Zurich", "CH"), currentCordapps)
+            )
+            oldNode = factory.createNode(nodeParams(
+                    CordaX500Name("Old", "Delhi", "IN"),
+                    listOf(legacyContractsCordapp, legacyWorkflowsCordapp, smokeTestResource("4.11-workflows-cordapp.jar")),
+                    clientRpcConfig = CordaRPCClientConfiguration(minimumServerProtocolVersion = 13),
+                    version = "4.11"
+            ))
+            currentNode = factory.createNode(nodeParams(
+                    CordaX500Name("New", "York", "US"),
+                    currentCordapps,
+                    listOf(legacyContractsCordapp)
+            ))
+        }
+
+        @AfterClass
+        @JvmStatic
+        fun close() {
+            factory.close()
+            // Make sure all UNIX domain files are deleted
+            (notaries + currentNode).forEach { node ->
+                node.logFile("node")!!.useLines { lines ->
+                    for (line in lines) {
+                        if ("ExternalVerifierHandleImpl" in line && "Binding to UNIX domain file " in line) {
+                            assertThat(Path(line.substringAfterLast("Binding to UNIX domain file "))).doesNotExist()
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    @Test(timeout=300_000)
+    fun `transaction containing 4_11 contract attachment only sent to current node`() {
+        val (issuanceTx, paymentTx) = cashIssuanceAndPayment(issuer = oldNode, recipient = currentNode)
+        notaries[0].assertTransactionsWereVerified(EXTERNAL, paymentTx.id)
+        currentNode.assertTransactionsWereVerified(EXTERNAL, issuanceTx.id, paymentTx.id)
+    }
+
+    @Test(timeout=300_000)
+    fun `transaction containing 4_11 and 4_12 contract attachments sent to old node`() {
+        val (issuanceTx, paymentTx) = cashIssuanceAndPayment(issuer = currentNode, recipient = oldNode)
+        notaries[0].assertTransactionsWereVerified(BOTH, paymentTx.id)
+        currentNode.assertTransactionsWereVerified(BOTH, issuanceTx.id, paymentTx.id)
+    }
+
+    @Test(timeout=300_000)
+    fun `notary change transaction`() {
+        val oldRpc = oldNode.connect(superUser).proxy
+        val oldNodeInfo = oldRpc.nodeInfo()
+        val notaryIdentities = oldRpc.notaryIdentities()
+        for (notary in notaries) {
+            notary.connect(superUser).use { it.proxy.waitForVisibility(oldNodeInfo) }
+        }
+        oldRpc.startFlow(::IssueAndChangeNotaryFlow, notaryIdentities[0], notaryIdentities[1]).returnValue.getOrThrow()
+    }
+
+    private fun cashIssuanceAndPayment(issuer: NodeProcess, recipient: NodeProcess): Pair<SignedTransaction, SignedTransaction> {
+        val issuerRpc = issuer.connect(superUser).proxy
+        val recipientRpc = recipient.connect(superUser).proxy
+        val recipientNodeInfo = recipientRpc.nodeInfo()
+        val notaryIdentity = issuerRpc.notaryIdentities()[0]
+
+        val beforeAmount = recipientRpc.getCashBalance(USD)
+
+        val (issuanceTx) = issuerRpc.startFlow(
+                ::CashIssueFlow,
+                10.DOLLARS,
+                OpaqueBytes.of(0x01),
+                notaryIdentity
+        ).returnValue.getOrThrow()
+
+        issuerRpc.waitForVisibility(recipientNodeInfo)
+        recipientRpc.waitForVisibility(issuerRpc.nodeInfo())
+
+        val (_, update) = recipientRpc.vaultTrack(Cash.State::class.java)
+        val cashArrived = update.waitForFirst { true }
+
+        val (paymentTx) = issuerRpc.startFlow(
+                ::CashPaymentFlow,
+                10.DOLLARS,
+                recipientNodeInfo.legalIdentities[0],
+                false,
+        ).returnValue.getOrThrow()
+
+        cashArrived.getOrThrow()
+        assertThat(recipientRpc.getCashBalance(USD) - beforeAmount).isEqualTo(10.DOLLARS)
+
+        return Pair(issuanceTx, paymentTx)
+    }
+}
+
+class ExternalVerificationUnsignedCordappsTest {
+    private companion object {
+        private val factory = NodeProcess.Factory(testNetworkParameters(minimumPlatformVersion = MIGRATE_ATTACHMENT_TO_SIGNATURE_CONSTRAINTS))
+
+        private lateinit var notary: NodeProcess
+        private lateinit var oldNode: NodeProcess
+        private lateinit var newNode: NodeProcess
+
+        @BeforeClass
+        @JvmStatic
+        fun startNodes() {
+            // The 4.11 finance CorDapp jars
+            val legacyCordapps = listOf(unsignedResourceJar("corda-finance-contracts-4.11.jar"), smokeTestResource("corda-finance-workflows-4.11.jar"))
+            // The current version finance CorDapp jars
+            val currentCordapps = listOf(unsignedResourceJar("corda-finance-contracts.jar"), smokeTestResource("corda-finance-workflows.jar"))
+
+            notary = factory.createNotaries(nodeParams(DUMMY_NOTARY_NAME, currentCordapps))[0]
+            oldNode = factory.createNode(nodeParams(
+                    CordaX500Name("Old", "Delhi", "IN"),
+                    legacyCordapps,
+                    clientRpcConfig = CordaRPCClientConfiguration(minimumServerProtocolVersion = 13),
+                    version = "4.11"
+            ))
+            newNode = factory.createNode(nodeParams(CordaX500Name("New", "York", "US"), currentCordapps))
+        }
+
+        @AfterClass
+        @JvmStatic
+        fun close() {
+            factory.close()
+        }
+
+        private fun unsignedResourceJar(name: String): Path {
+            val signedJar = smokeTestResource(name)
+            val copy = signedJar.copyTo(Path("${signedJar.toString().substringBeforeLast(".")}-UNSIGNED.jar"), overwrite = true)
+            copy.unsignJar()
+            return copy
+        }
+    }
+
+    @Test(timeout = 300_000)
+    fun `transactions can fail verification in external verifier`() {
+        val issuerRpc = oldNode.connect(superUser).proxy
+        val recipientRpc = newNode.connect(superUser).proxy
+        val recipientNodeInfo = recipientRpc.nodeInfo()
+        val notaryIdentity = issuerRpc.notaryIdentities()[0]
+
+        val (issuanceTx) = issuerRpc.startFlow(
+                ::CashIssueFlow,
+                10.DOLLARS,
+                OpaqueBytes.of(0x01),
+                notaryIdentity
+        ).returnValue.getOrThrow()
+
+        issuerRpc.waitForVisibility(recipientNodeInfo)
+        recipientRpc.waitForVisibility(issuerRpc.nodeInfo())
+
+        assertThatExceptionOfType(UnexpectedFlowEndException::class.java).isThrownBy {
+            issuerRpc.startFlow<AbstractCashFlow.Result, Amount<Currency>, Party, Boolean, CashPaymentFlow>(
+                    ::CashPaymentFlow,
+                    10.DOLLARS,
+                    recipientNodeInfo.legalIdentities[0],
+                    false,
+            ).returnValue.getOrThrow()
+        }
+
+        assertThat(newNode.externalVerifierLogs()).contains("WireTransaction(id=${issuanceTx.id}) failed to verify")
+    }
+}
+
+private val superUser = User("superUser", "test", permissions = setOf("ALL"))
+private val portCounter = AtomicInteger(15100)
+
+private fun smokeTestResource(name: String): Path = ExternalVerificationSignedCordappsTest::class.java.getResource("/$name")!!.toPath()
+
+private fun nodeParams(
+        legalName: CordaX500Name,
+        cordappJars: List<Path> = emptyList(),
+        legacyContractJars: List<Path> = emptyList(),
+        clientRpcConfig: CordaRPCClientConfiguration = CordaRPCClientConfiguration.DEFAULT,
+        version: String? = null
+): NodeParams {
+    return NodeParams(
+            legalName = legalName,
+            p2pPort = portCounter.andIncrement,
+            rpcPort = portCounter.andIncrement,
+            rpcAdminPort = portCounter.andIncrement,
+            users = listOf(superUser),
+            cordappJars = cordappJars,
+            legacyContractJars = legacyContractJars,
+            clientRpcConfig = clientRpcConfig,
+            version = version
+    )
+}
+
+private fun CordaRPCOps.waitForVisibility(other: NodeInfo) {
+    val (snapshot, updates) = networkMapFeed()
+    if (other in snapshot) {
+        updates.notUsed()
+    } else {
+        updates.waitForFirst { it.node == other }.getOrThrow()
+    }
+}
+
+private fun <T> Observable<T>.waitForFirst(predicate: (T) -> Boolean): CompletableFuture<Unit> {
+    val found = CompletableFuture<Unit>()
+    val subscription = subscribe {
+        if (predicate(it)) {
+            found.complete(Unit)
+        }
+    }
+    return found.whenComplete { _, _ -> subscription.unsubscribe() }
+}
+
+private fun NodeProcess.assertTransactionsWereVerified(verificationType: VerificationType, vararg txIds: SecureHash) {
+    val nodeLogs = logContents("node")!!
+    val externalVerifierLogs = externalVerifierLogs()
+    for (txId in txIds) {
+        assertThat(nodeLogs).contains("WireTransaction(id=$txId) will be verified ${verificationType.logStatement}")
+        if (verificationType != VerificationType.IN_PROCESS) {
+            assertThat(externalVerifierLogs).describedAs("External verifier was not started").isNotNull()
+            assertThat(externalVerifierLogs).contains("WireTransaction(id=$txId) verified")
+        }
+    }
+}
+
+private fun NodeProcess.externalVerifierLogs(): String? = logContents("verifier")
+
+private fun NodeProcess.logFile(name: String): Path? {
+    return (nodeDir / "logs").listDirectoryEntries("$name-${InetAddress.getLocalHost().hostName}.log").singleOrNull()
+}
+
+private fun NodeProcess.logContents(name: String): String? = logFile(name)?.readText()
+
+private enum class VerificationType {
+    IN_PROCESS, EXTERNAL, BOTH;
+
+    val logStatement: String
+        get() = when (this) {
+            IN_PROCESS -> "in-process"
+            EXTERNAL -> "by the external verifer"
+            BOTH -> "both in-process and by the external verifer"
+        }
+}

core-tests/src/test/kotlin/net/corda/coretests/contracts/AmountTests.kt

@@ -56,8 +56,8 @@ class AmountTests {
                 val splits = baseAmount.splitEvenly(partitionCount)
                 assertEquals(partitionCount, splits.size)
                 assertEquals(baseAmount, splits.sumOrZero(baseAmount.token))
-                val min = splits.min()!!
+                val min = splits.min()
-                val max = splits.max()!!
+                val max = splits.max()
                 assertTrue(max.quantity - min.quantity <= 1L, "Amount quantities should differ by at most one token")
             }
         }

core-tests/src/test/kotlin/net/corda/coretests/contracts/ConstraintsPropagationTests.kt

@@ -1,9 +1,17 @@
 package net.corda.coretests.contracts
 
-import com.nhaarman.mockito_kotlin.doReturn
+import net.corda.core.contracts.AlwaysAcceptAttachmentConstraint
-import com.nhaarman.mockito_kotlin.mock
+import net.corda.core.contracts.AutomaticPlaceholderConstraint
-import com.nhaarman.mockito_kotlin.whenever
+import net.corda.core.contracts.BelongsToContract
-import net.corda.core.contracts.*
+import net.corda.core.contracts.CommandData
+import net.corda.core.contracts.Contract
+import net.corda.core.contracts.ContractAttachment
+import net.corda.core.contracts.ContractState
+import net.corda.core.contracts.HashAttachmentConstraint
+import net.corda.core.contracts.NoConstraintPropagation
+import net.corda.core.contracts.SignatureAttachmentConstraint
+import net.corda.core.contracts.StateRef
+import net.corda.core.contracts.WhitelistedByZoneAttachmentConstraint
 import net.corda.core.crypto.Crypto
 import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.SecureHash.Companion.allOnesHash
@@ -14,17 +22,16 @@ import net.corda.core.crypto.sign
 import net.corda.core.identity.AbstractParty
 import net.corda.core.identity.CordaX500Name
 import net.corda.core.internal.canBeTransitionedFrom
-import net.corda.core.internal.inputStream
+import net.corda.core.internal.read
 import net.corda.core.internal.requireSupportedHashType
-import net.corda.core.internal.toPath
 import net.corda.core.node.NotaryInfo
 import net.corda.core.node.services.IdentityService
 import net.corda.core.transactions.LedgerTransaction
 import net.corda.core.transactions.SignedTransaction
 import net.corda.core.transactions.WireTransaction
 import net.corda.finance.POUNDS
-import net.corda.finance.`issued by`
 import net.corda.finance.contracts.asset.Cash
+import net.corda.finance.`issued by`
 import net.corda.testing.common.internal.testNetworkParameters
 import net.corda.testing.core.ALICE_NAME
 import net.corda.testing.core.DUMMY_NOTARY_NAME
@@ -36,7 +43,15 @@ import net.corda.testing.core.internal.SelfCleaningDir
 import net.corda.testing.internal.MockCordappProvider
 import net.corda.testing.node.MockServices
 import net.corda.testing.node.ledger
-import org.junit.*
+import org.junit.AfterClass
+import org.junit.Before
+import org.junit.BeforeClass
+import org.junit.Ignore
+import org.junit.Rule
+import org.junit.Test
+import org.mockito.kotlin.doReturn
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.whenever
 import java.security.PublicKey
 import java.util.jar.Attributes
 import kotlin.test.assertFailsWith
@@ -91,8 +106,8 @@ class ConstraintsPropagationTests {
                 },
                 networkParameters = testNetworkParameters(minimumPlatformVersion = 4)
                         .copy(whitelistedContractImplementations = mapOf(
-                                Cash.PROGRAM_ID to listOf(SecureHash.zeroHash, SecureHash.allOnesHash),
+                                Cash.PROGRAM_ID to listOf(zeroHash, allOnesHash),
-                                noPropagationContractClassName to listOf(SecureHash.zeroHash)),
+                                noPropagationContractClassName to listOf(zeroHash)),
                                 notaries = listOf(NotaryInfo(DUMMY_NOTARY, true)))
         ) {
             override fun loadContractAttachment(stateRef: StateRef) = servicesForResolution.loadContractAttachment(stateRef)
@@ -103,13 +118,13 @@ class ConstraintsPropagationTests {
 	fun `Happy path with the HashConstraint`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.allOnesHash)
+                attachment(Cash.PROGRAM_ID, allOnesHash)
                 output(Cash.PROGRAM_ID, "c1", DUMMY_NOTARY, null, HashAttachmentConstraint(allOnesHash), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
             })
             transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.allOnesHash)
+                attachment(Cash.PROGRAM_ID, allOnesHash)
                 input("c1")
                 output(Cash.PROGRAM_ID, "c2", DUMMY_NOTARY, null, HashAttachmentConstraint(allOnesHash), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())
@@ -125,13 +140,13 @@ class ConstraintsPropagationTests {
         val cordappAttachmentIds =
                 cordapps.map { cordapp ->
                     val unsignedAttId =
-                            cordapp.jarPath.toPath().inputStream().use { unsignedJarStream ->
+                            cordapp.jarPath.openStream().use { unsignedJarStream ->
                                 ledgerServices.attachments.importContractAttachment(cordapp.contractClassNames, "rpc", unsignedJarStream, null)
                             }
                     val jarAndSigner = ContractJarTestUtils.signContractJar(cordapp.jarPath, copyFirst = true, keyStoreDir = keyStoreDir.path)
                     val signedJar = jarAndSigner.first
                     val signedAttId =
-                            signedJar.inputStream().use { signedJarStream ->
+                            signedJar.read { signedJarStream ->
                                 ledgerServices.attachments.importContractAttachment(cordapp.contractClassNames, "rpc", signedJarStream, null, listOf(jarAndSigner.second))
                             }
                     Pair(unsignedAttId, signedAttId)
@@ -163,14 +178,14 @@ class ConstraintsPropagationTests {
 	fun `Fail early in the TransactionBuilder when attempting to change the hash of the HashConstraint on the spending transaction`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash)
+                attachment(Cash.PROGRAM_ID, zeroHash)
                 output(Cash.PROGRAM_ID, "c1", DUMMY_NOTARY, null, HashAttachmentConstraint(zeroHash), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
             }
             assertFailsWith<IllegalArgumentException> {
                 transaction {
-                    attachment(Cash.PROGRAM_ID, SecureHash.allOnesHash)
+                    attachment(Cash.PROGRAM_ID, allOnesHash)
                     input("c1")
                     output(Cash.PROGRAM_ID, "c2", DUMMY_NOTARY, null, HashAttachmentConstraint(allOnesHash), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                     command(ALICE_PUBKEY, Cash.Commands.Move())
@@ -184,27 +199,27 @@ class ConstraintsPropagationTests {
 	fun `Transaction validation fails, when constraints do not propagate correctly`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash)
+                attachment(Cash.PROGRAM_ID, zeroHash)
                 output(Cash.PROGRAM_ID, "c1", DUMMY_NOTARY, null, HashAttachmentConstraint(zeroHash), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
             })
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash)
+                attachment(Cash.PROGRAM_ID, zeroHash)
                 input("c1")
                 output(Cash.PROGRAM_ID, "c2", DUMMY_NOTARY, null, WhitelistedByZoneAttachmentConstraint, Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())
                 failsWith("are not propagated correctly")
             })
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash)
+                attachment(Cash.PROGRAM_ID, zeroHash)
                 input("c1")
                 output(Cash.PROGRAM_ID, "c3", DUMMY_NOTARY, null, SignatureAttachmentConstraint(ALICE_PUBKEY), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())
                 fails()
             })
             transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash)
+                attachment(Cash.PROGRAM_ID, zeroHash)
                 input("c1")
                 output(Cash.PROGRAM_ID, "c4", DUMMY_NOTARY, null, AlwaysAcceptAttachmentConstraint, Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())
@@ -217,13 +232,13 @@ class ConstraintsPropagationTests {
 	fun `When the constraint of the output state is a valid transition from the input state, transaction validation works`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash)
+                attachment(Cash.PROGRAM_ID, zeroHash)
                 output(Cash.PROGRAM_ID, "c1", DUMMY_NOTARY, null, WhitelistedByZoneAttachmentConstraint, Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
             })
             transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash)
+                attachment(Cash.PROGRAM_ID, zeroHash)
                 input("c1")
                 output(Cash.PROGRAM_ID, "c2", DUMMY_NOTARY, null, HashAttachmentConstraint(zeroHash), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())
@@ -237,7 +252,7 @@ class ConstraintsPropagationTests {
 
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash)
+                attachment(Cash.PROGRAM_ID, zeroHash)
                 output(Cash.PROGRAM_ID, "w1", DUMMY_NOTARY, null, WhitelistedByZoneAttachmentConstraint, Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
@@ -245,7 +260,7 @@ class ConstraintsPropagationTests {
 
             // the attachment is signed
             transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.allOnesHash, listOf(hashToSignatureConstraintsKey))
+                attachment(Cash.PROGRAM_ID, allOnesHash, listOf(hashToSignatureConstraintsKey))
                 input("w1")
                 output(Cash.PROGRAM_ID, "w2", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())
@@ -258,14 +273,14 @@ class ConstraintsPropagationTests {
 	fun `Switching from the WhitelistConstraint to the Signature Constraint fails if the signature constraint does not inherit all jar signatures`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash)
+                attachment(Cash.PROGRAM_ID, zeroHash)
                 output(Cash.PROGRAM_ID, "w1", DUMMY_NOTARY, null, WhitelistedByZoneAttachmentConstraint, Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
             })
             // the attachment is not signed
             transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash)
+                attachment(Cash.PROGRAM_ID, zeroHash)
                 input("w1")
                 output(Cash.PROGRAM_ID, "w2", DUMMY_NOTARY, null, SignatureAttachmentConstraint(ALICE_PUBKEY), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())
@@ -279,13 +294,13 @@ class ConstraintsPropagationTests {
 	fun `On contract annotated with NoConstraintPropagation there is no platform check for propagation, but the transaction builder can't use the AutomaticPlaceholderConstraint`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(noPropagationContractClassName, SecureHash.zeroHash)
+                attachment(noPropagationContractClassName, zeroHash)
                 output(noPropagationContractClassName, "c1", DUMMY_NOTARY, null, HashAttachmentConstraint(zeroHash), NoPropagationContractState())
                 command(ALICE_PUBKEY, NoPropagationContract.Create())
                 verifies()
             })
             ledgerServices.recordTransaction(transaction {
-                attachment(noPropagationContractClassName, SecureHash.zeroHash)
+                attachment(noPropagationContractClassName, zeroHash)
                 input("c1")
                 output(noPropagationContractClassName, "c2", DUMMY_NOTARY, null, WhitelistedByZoneAttachmentConstraint, NoPropagationContractState())
                 command(ALICE_PUBKEY, NoPropagationContract.Create())
@@ -293,7 +308,7 @@ class ConstraintsPropagationTests {
             })
             assertFailsWith<IllegalArgumentException> {
                 transaction {
-                    attachment(noPropagationContractClassName, SecureHash.zeroHash)
+                    attachment(noPropagationContractClassName, zeroHash)
                     input("c1")
                     output(noPropagationContractClassName, "c3", DUMMY_NOTARY, null, AutomaticPlaceholderConstraint, NoPropagationContractState())
                     command(ALICE_PUBKEY, NoPropagationContract.Create())
@@ -387,13 +402,13 @@ class ConstraintsPropagationTests {
 	fun `Input state contract version may be incompatible with lower version`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.allOnesHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "2"))
+                attachment(Cash.PROGRAM_ID, allOnesHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "2"))
                 output(Cash.PROGRAM_ID, "c1", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
             })
             transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "1"))
+                attachment(Cash.PROGRAM_ID, zeroHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "1"))
                 input("c1")
                 output(Cash.PROGRAM_ID, "c2", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())
@@ -406,13 +421,13 @@ class ConstraintsPropagationTests {
 	fun `Input state contract version is compatible with the same version`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.allOnesHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "3"))
+                attachment(Cash.PROGRAM_ID, allOnesHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "3"))
                 output(Cash.PROGRAM_ID, "c1", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
             })
             transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "3"))
+                attachment(Cash.PROGRAM_ID, zeroHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "3"))
                 input("c1")
                 output(Cash.PROGRAM_ID, "c2", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())
@@ -425,13 +440,13 @@ class ConstraintsPropagationTests {
 	fun `Input state contract version is compatible with higher version`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.allOnesHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "1"))
+                attachment(Cash.PROGRAM_ID, allOnesHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "1"))
                 output(Cash.PROGRAM_ID, "c1", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
             })
             transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "2"))
+                attachment(Cash.PROGRAM_ID, zeroHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "2"))
                 input("c1")
                 output(Cash.PROGRAM_ID, "c2", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())
@@ -444,13 +459,13 @@ class ConstraintsPropagationTests {
 	fun `Input states contract version may be lower that current contract version`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.allOnesHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "1"))
+                attachment(Cash.PROGRAM_ID, allOnesHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "1"))
                 output(Cash.PROGRAM_ID, "c1", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
             })
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "2"))
+                attachment(Cash.PROGRAM_ID, zeroHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "2"))
                 output(Cash.PROGRAM_ID, "c2", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
@@ -469,13 +484,13 @@ class ConstraintsPropagationTests {
 	fun `Input state with contract version can be downgraded to no version`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.allOnesHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "2"))
+                attachment(Cash.PROGRAM_ID, allOnesHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "2"))
                 output(Cash.PROGRAM_ID, "c1", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
             })
             transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash, listOf(hashToSignatureConstraintsKey), emptyMap())
+                attachment(Cash.PROGRAM_ID, zeroHash, listOf(hashToSignatureConstraintsKey), emptyMap())
                 input("c1")
                 output(Cash.PROGRAM_ID, "c2", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())
@@ -488,13 +503,13 @@ class ConstraintsPropagationTests {
 	fun `Input state without contract version is compatible with any version`() {
         ledgerServices.ledger(DUMMY_NOTARY) {
             ledgerServices.recordTransaction(transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.allOnesHash, listOf(hashToSignatureConstraintsKey), emptyMap())
+                attachment(Cash.PROGRAM_ID, allOnesHash, listOf(hashToSignatureConstraintsKey), emptyMap())
                 output(Cash.PROGRAM_ID, "c1", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), ALICE_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Issue())
                 verifies()
             })
             transaction {
-                attachment(Cash.PROGRAM_ID, SecureHash.zeroHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "2"))
+                attachment(Cash.PROGRAM_ID, zeroHash, listOf(hashToSignatureConstraintsKey), mapOf(Attributes.Name.IMPLEMENTATION_VERSION.toString() to "2"))
                 input("c1")
                 output(Cash.PROGRAM_ID, "c2", DUMMY_NOTARY, null, SignatureAttachmentConstraint(hashToSignatureConstraintsKey), Cash.State(1000.POUNDS `issued by` ALICE_PARTY.ref(1), BOB_PARTY))
                 command(ALICE_PUBKEY, Cash.Commands.Move())

core-tests/src/test/kotlin/net/corda/coretests/contracts/ContractHierarchyTest.kt

@@ -107,4 +107,4 @@ class ContractHierarchyTest {
             subFlow(FinalityFlow(tx, otherSideSession))
         }
     }
-}
+}

core-tests/src/test/kotlin/net/corda/coretests/contracts/ContractsDSLTests.kt

@@ -1,11 +1,16 @@
 package net.corda.coretests.contracts
 
-import net.corda.core.contracts.*
+import net.corda.core.contracts.CommandData
+import net.corda.core.contracts.CommandWithParties
+import net.corda.core.contracts.TypeOnlyCommandData
+import net.corda.core.contracts.requireSingleCommand
+import net.corda.core.contracts.select
 import net.corda.core.identity.AbstractParty
 import net.corda.core.identity.CordaX500Name
 import net.corda.core.identity.Party
 import net.corda.testing.core.TestIdentity
-import org.assertj.core.api.Assertions
+import org.assertj.core.api.Assertions.assertThatIllegalArgumentException
+import org.assertj.core.api.Assertions.assertThatThrownBy
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.junit.runners.Parameterized
@@ -35,8 +40,8 @@ class RequireSingleCommandTests(private val testFunction: (Collection<CommandWit
         @JvmStatic
         @Parameterized.Parameters(name = "{1}")
         fun data(): Collection<Array<Any>> = listOf(
-                arrayOf<Any>({ commands: Collection<CommandWithParties<CommandData>> -> commands.requireSingleCommand<TestCommands>() }, "Inline version"),
+                arrayOf({ commands: Collection<CommandWithParties<CommandData>> -> commands.requireSingleCommand<TestCommands>() }, "Inline version"),
-                arrayOf<Any>({ commands: Collection<CommandWithParties<CommandData>> -> commands.requireSingleCommand(TestCommands::class.java) }, "Interop version")
+                arrayOf({ commands: Collection<CommandWithParties<CommandData>> -> commands.requireSingleCommand(TestCommands::class.java) }, "Interop version")
         )
     }
 
@@ -47,16 +52,18 @@ class RequireSingleCommandTests(private val testFunction: (Collection<CommandWit
         assertEquals(returnedCommand, validCommandOne, "they should be the same")
     }
 
-    @Test(expected = IllegalArgumentException::class, timeout=300_000)
+    @Test(timeout=300_000)
     fun `check error is thrown if more than one valid command`() {
         val commands = listOf(validCommandOne, validCommandTwo)
-        testFunction(commands)
+        assertThatIllegalArgumentException().isThrownBy {
+            testFunction(commands)
+        }
     }
 
     @Test(timeout=300_000)
 	fun `check error is thrown when command is of wrong type`() {
         val commands = listOf(invalidCommand)
-        Assertions.assertThatThrownBy { testFunction(commands) }
+        assertThatThrownBy { testFunction(commands) }
                 .isInstanceOf(IllegalStateException::class.java)
                 .hasMessage("Required net.corda.coretests.contracts.TestCommands command")
     }
@@ -69,8 +76,8 @@ class SelectWithSingleInputsTests(private val testFunction: (Collection<CommandW
         @JvmStatic
         @Parameterized.Parameters(name = "{1}")
         fun data(): Collection<Array<Any>> = listOf(
-                arrayOf<Any>({ commands: Collection<CommandWithParties<CommandData>>, signer: PublicKey?, party: AbstractParty? -> commands.select<TestCommands>(signer, party) }, "Inline version"),
+                arrayOf({ commands: Collection<CommandWithParties<CommandData>>, signer: PublicKey?, party: AbstractParty? -> commands.select<TestCommands>(signer, party) }, "Inline version"),
-                arrayOf<Any>({ commands: Collection<CommandWithParties<CommandData>>, signer: PublicKey?, party: AbstractParty? -> commands.select(TestCommands::class.java, signer, party) }, "Interop version")
+                arrayOf({ commands: Collection<CommandWithParties<CommandData>>, signer: PublicKey?, party: AbstractParty? -> commands.select(TestCommands::class.java, signer, party) }, "Interop version")
         )
     }
 
@@ -118,8 +125,8 @@ class SelectWithMultipleInputsTests(private val testFunction: (Collection<Comman
         @JvmStatic
         @Parameterized.Parameters(name = "{1}")
         fun data(): Collection<Array<Any>> = listOf(
-                arrayOf<Any>({ commands: Collection<CommandWithParties<CommandData>>, signers: Collection<PublicKey>?, party: Collection<Party>? -> commands.select<TestCommands>(signers, party) }, "Inline version"),
+                arrayOf({ commands: Collection<CommandWithParties<CommandData>>, signers: Collection<PublicKey>?, party: Collection<Party>? -> commands.select<TestCommands>(signers, party) }, "Inline version"),
-                arrayOf<Any>({ commands: Collection<CommandWithParties<CommandData>>, signers: Collection<PublicKey>?, party: Collection<Party>? -> commands.select(TestCommands::class.java, signers, party) }, "Interop version")
+                arrayOf({ commands: Collection<CommandWithParties<CommandData>>, signers: Collection<PublicKey>?, party: Collection<Party>? -> commands.select(TestCommands::class.java, signers, party) }, "Interop version")
         )
     }
 

core-tests/src/test/kotlin/net/corda/coretests/contracts/PackageOwnershipVerificationTests.kt

@@ -1,8 +1,8 @@
 package net.corda.coretests.contracts
 
-import com.nhaarman.mockito_kotlin.doReturn
+import org.mockito.kotlin.doReturn
-import com.nhaarman.mockito_kotlin.mock
+import org.mockito.kotlin.mock
-import com.nhaarman.mockito_kotlin.whenever
+import org.mockito.kotlin.whenever
 import net.corda.core.contracts.*
 import net.corda.core.crypto.Crypto
 import net.corda.core.crypto.SecureHash
@@ -110,4 +110,4 @@ class DummyContract : Contract {
     }
 }
 
-class DummyIssue : TypeOnlyCommandData()
+class DummyIssue : TypeOnlyCommandData()

core-tests/src/test/kotlin/net/corda/coretests/crypto/CompositeKeyTests.kt

@@ -3,7 +3,6 @@ package net.corda.coretests.crypto
 import net.corda.core.crypto.*
 import net.corda.core.crypto.CompositeKey.NodeAndWeight
 import net.corda.core.internal.declaredField
-import net.corda.core.internal.div
 import net.corda.core.serialization.serialize
 import net.corda.core.utilities.OpaqueBytes
 import net.corda.core.utilities.toBase58String
@@ -19,6 +18,7 @@ import org.junit.Test
 import org.junit.rules.TemporaryFolder
 import java.security.PublicKey
 import javax.security.auth.x500.X500Principal
+import kotlin.io.path.div
 import kotlin.test.assertEquals
 import kotlin.test.assertFailsWith
 import kotlin.test.assertFalse
@@ -295,21 +295,19 @@ class CompositeKeyTests {
         val keyPairK1 = Crypto.generateKeyPair(Crypto.ECDSA_SECP256K1_SHA256)
         val keyPairR1 = Crypto.generateKeyPair(Crypto.ECDSA_SECP256R1_SHA256)
         val keyPairEd = Crypto.generateKeyPair(Crypto.EDDSA_ED25519_SHA512)
-        val keyPairSP = Crypto.generateKeyPair(Crypto.SPHINCS256_SHA256)
 
         val RSASignature = keyPairRSA.sign(SignableData(secureHash, SignatureMetadata(1, Crypto.findSignatureScheme(keyPairRSA.public).schemeNumberID)))
         val K1Signature = keyPairK1.sign(SignableData(secureHash, SignatureMetadata(1, Crypto.findSignatureScheme(keyPairK1.public).schemeNumberID)))
         val R1Signature = keyPairR1.sign(SignableData(secureHash, SignatureMetadata(1, Crypto.findSignatureScheme(keyPairR1.public).schemeNumberID)))
         val EdSignature = keyPairEd.sign(SignableData(secureHash, SignatureMetadata(1, Crypto.findSignatureScheme(keyPairEd.public).schemeNumberID)))
-        val SPSignature = keyPairSP.sign(SignableData(secureHash, SignatureMetadata(1, Crypto.findSignatureScheme(keyPairSP.public).schemeNumberID)))
 
-        val compositeKey = CompositeKey.Builder().addKeys(keyPairRSA.public, keyPairK1.public, keyPairR1.public, keyPairEd.public, keyPairSP.public).build() as CompositeKey
+        val compositeKey = CompositeKey.Builder().addKeys(keyPairRSA.public, keyPairK1.public, keyPairR1.public, keyPairEd.public).build() as CompositeKey
 
-        val signatures = listOf(RSASignature, K1Signature, R1Signature, EdSignature, SPSignature)
+        val signatures = listOf(RSASignature, K1Signature, R1Signature, EdSignature)
         assertTrue { compositeKey.isFulfilledBy(signatures.byKeys()) }
 
         // One signature is missing.
-        val signaturesWithoutRSA = listOf(K1Signature, R1Signature, EdSignature, SPSignature)
+        val signaturesWithoutRSA = listOf(K1Signature, R1Signature, EdSignature)
         assertFalse { compositeKey.isFulfilledBy(signaturesWithoutRSA.byKeys()) }
     }
 
@@ -320,20 +318,18 @@ class CompositeKeyTests {
         val keyPairK1 = Crypto.generateKeyPair(Crypto.ECDSA_SECP256K1_SHA256)
         val keyPairR1 = Crypto.generateKeyPair(Crypto.ECDSA_SECP256R1_SHA256)
         val keyPairEd = Crypto.generateKeyPair(Crypto.EDDSA_ED25519_SHA512)
-        val keyPairSP = Crypto.generateKeyPair(Crypto.SPHINCS256_SHA256)
 
         val RSASignature = keyPairRSA.sign(SignableData(secureHash, SignatureMetadata(1, Crypto.findSignatureScheme(keyPairRSA.public).schemeNumberID)))
         val K1Signature = keyPairK1.sign(SignableData(secureHash, SignatureMetadata(1, Crypto.findSignatureScheme(keyPairK1.public).schemeNumberID)))
         val R1Signature = keyPairR1.sign(SignableData(secureHash, SignatureMetadata(1, Crypto.findSignatureScheme(keyPairR1.public).schemeNumberID)))
         val EdSignature = keyPairEd.sign(SignableData(secureHash, SignatureMetadata(1, Crypto.findSignatureScheme(keyPairEd.public).schemeNumberID)))
-        val SPSignature = keyPairSP.sign(SignableData(secureHash, SignatureMetadata(1, Crypto.findSignatureScheme(keyPairSP.public).schemeNumberID)))
 
-        val compositeKey = CompositeKey.Builder().addKeys(keyPairRSA.public, keyPairK1.public, keyPairR1.public, keyPairEd.public, keyPairSP.public).build() as CompositeKey
+        val compositeKey = CompositeKey.Builder().addKeys(keyPairRSA.public, keyPairK1.public, keyPairR1.public, keyPairEd.public).build() as CompositeKey
 
-        val signatures = listOf(RSASignature, K1Signature, R1Signature, EdSignature, SPSignature)
+        val signatures = listOf(RSASignature, K1Signature, R1Signature, EdSignature)
         assertTrue { compositeKey.isFulfilledBy(signatures.byKeys()) }
         // One signature is missing.
-        val signaturesWithoutRSA = listOf(K1Signature, R1Signature, EdSignature, SPSignature)
+        val signaturesWithoutRSA = listOf(K1Signature, R1Signature, EdSignature)
         assertFalse { compositeKey.isFulfilledBy(signaturesWithoutRSA.byKeys()) }
 
         // Create self sign CA.
@@ -374,13 +370,12 @@ class CompositeKeyTests {
         val (_, pub3) = Crypto.generateKeyPair(Crypto.RSA_SHA256)
         val (_, pub4) = Crypto.generateKeyPair(Crypto.EDDSA_ED25519_SHA512)
         val (_, pub5) = Crypto.generateKeyPair(Crypto.ECDSA_SECP256R1_SHA256)
-        val (_, pub6) = Crypto.generateKeyPair(Crypto.SPHINCS256_SHA256)
+        val (_, pub6) = Crypto.generateKeyPair(Crypto.ECDSA_SECP256K1_SHA256)
-        val (_, pub7) = Crypto.generateKeyPair(Crypto.ECDSA_SECP256K1_SHA256)
 
         // Using default weight = 1, thus all weights are equal.
-        val composite1 = CompositeKey.Builder().addKeys(pub1, pub2, pub3, pub4, pub5, pub6, pub7).build() as CompositeKey
+        val composite1 = CompositeKey.Builder().addKeys(pub1, pub2, pub3, pub4, pub5, pub6).build() as CompositeKey
         // Store in reverse order.
-        val composite2 = CompositeKey.Builder().addKeys(pub7, pub6, pub5, pub4, pub3, pub2, pub1).build() as CompositeKey
+        val composite2 = CompositeKey.Builder().addKeys(pub6, pub5, pub4, pub3, pub2, pub1).build() as CompositeKey
         // There are 7! = 5040 permutations, but as sorting is deterministic the following should never fail.
         assertEquals(composite1.children, composite2.children)
     }

core-tests/src/test/kotlin/net/corda/coretests/crypto/PartialMerkleTreeTest.kt

@@ -1,11 +1,19 @@
 package net.corda.coretests.crypto
 
-import com.nhaarman.mockito_kotlin.doReturn
+import net.corda.core.contracts.Command
-import com.nhaarman.mockito_kotlin.mock
+import net.corda.core.contracts.PrivacySalt
-import com.nhaarman.mockito_kotlin.whenever
+import net.corda.core.contracts.StateRef
-import net.corda.core.contracts.*
+import net.corda.core.contracts.TimeWindow
-import net.corda.core.crypto.*
+import net.corda.core.contracts.TransactionState
+import net.corda.core.crypto.DigestService
+import net.corda.core.crypto.MerkleTree
+import net.corda.core.crypto.MerkleTreeException
+import net.corda.core.crypto.PartialMerkleTree
+import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.internal.DigestAlgorithmFactory
+import net.corda.core.crypto.keys
+import net.corda.core.crypto.randomHash
+import net.corda.core.crypto.sha256
 import net.corda.core.identity.CordaX500Name
 import net.corda.core.identity.Party
 import net.corda.core.internal.BLAKE2s256DigestAlgorithm
@@ -16,9 +24,10 @@ import net.corda.core.serialization.deserialize
 import net.corda.core.serialization.serialize
 import net.corda.core.transactions.ReferenceStateRef
 import net.corda.core.transactions.WireTransaction
+import net.corda.coretesting.internal.TEST_TX_TIME
 import net.corda.finance.DOLLARS
-import net.corda.finance.`issued by`
 import net.corda.finance.contracts.asset.Cash
+import net.corda.finance.`issued by`
 import net.corda.testing.common.internal.testNetworkParameters
 import net.corda.testing.core.DUMMY_NOTARY_NAME
 import net.corda.testing.core.SerializationEnvironmentRule
@@ -26,20 +35,29 @@ import net.corda.testing.core.TestIdentity
 import net.corda.testing.dsl.LedgerDSL
 import net.corda.testing.dsl.TestLedgerDSLInterpreter
 import net.corda.testing.dsl.TestTransactionDSLInterpreter
-import net.corda.coretesting.internal.TEST_TX_TIME
 import net.corda.testing.internal.createWireTransaction
 import net.corda.testing.node.MockServices
 import net.corda.testing.node.ledger
+import org.assertj.core.api.Assertions.assertThatIllegalArgumentException
 import org.junit.Before
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.junit.runners.Parameterized
+import org.mockito.kotlin.doReturn
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.whenever
 import java.security.PublicKey
 import java.util.function.Predicate
 import java.util.stream.IntStream
 import kotlin.streams.toList
-import kotlin.test.*
+import kotlin.test.assertEquals
+import kotlin.test.assertFailsWith
+import kotlin.test.assertFalse
+import kotlin.test.assertNotEquals
+import kotlin.test.assertNotNull
+import kotlin.test.assertNull
+import kotlin.test.assertTrue
 
 @RunWith(Parameterized::class)
 class PartialMerkleTreeTest(private var digestService: DigestService) {
@@ -204,7 +222,7 @@ class PartialMerkleTreeTest(private var digestService: DigestService) {
 
     @Test(timeout=300_000)
 	fun `nothing filtered`() {
-        val ftxNothing = testTx.buildFilteredTransaction(Predicate { false })
+        val ftxNothing = testTx.buildFilteredTransaction { false }
         assertTrue(ftxNothing.componentGroups.isEmpty())
         assertTrue(ftxNothing.attachments.isEmpty())
         assertTrue(ftxNothing.commands.isEmpty())
@@ -291,10 +309,12 @@ class PartialMerkleTreeTest(private var digestService: DigestService) {
         assertFalse(pmt.verify(wrongRoot, inclHashes))
     }
 
-    @Test(expected = Exception::class, timeout=300_000)
+    @Test(timeout=300_000)
     fun `hash map serialization not allowed`() {
         val hm1 = hashMapOf("a" to 1, "b" to 2, "c" to 3, "e" to 4)
-        hm1.serialize()
+        assertThatIllegalArgumentException().isThrownBy {
+            hm1.serialize()
+        }
     }
 
     private fun makeSimpleCashWtx(
@@ -322,11 +342,11 @@ class PartialMerkleTreeTest(private var digestService: DigestService) {
         val merkleTree = MerkleTree.getMerkleTree(sampleLeaves, digestService)
 
         // Provided hashes are not in the tree.
-        assertFailsWith<MerkleTreeException> { PartialMerkleTree.build(merkleTree, listOf<SecureHash>(digestService.hash("20"))) }
+        assertFailsWith<MerkleTreeException> { PartialMerkleTree.build(merkleTree, listOf(digestService.hash("20"))) }
         // One of the provided hashes is not in the tree.
-        assertFailsWith<MerkleTreeException> { PartialMerkleTree.build(merkleTree, listOf<SecureHash>(digestService.hash("20"), digestService.hash("1"), digestService.hash("5"))) }
+        assertFailsWith<MerkleTreeException> { PartialMerkleTree.build(merkleTree, listOf(digestService.hash("20"), digestService.hash("1"), digestService.hash("5"))) }
 
-        val pmt = PartialMerkleTree.build(merkleTree, listOf<SecureHash>(digestService.hash("1"), digestService.hash("5"), digestService.hash("0"), digestService.hash("19")))
+        val pmt = PartialMerkleTree.build(merkleTree, listOf(digestService.hash("1"), digestService.hash("5"), digestService.hash("0"), digestService.hash("19")))
         // First leaf.
         assertEquals(0, pmt.leafIndex(digestService.hash("0")))
         // Second leaf.
@@ -340,17 +360,17 @@ class PartialMerkleTreeTest(private var digestService: DigestService) {
         // The provided hash is not in the tree (using a leaf that didn't exist in the original Merkle tree).
         assertFailsWith<MerkleTreeException> { pmt.leafIndex(digestService.hash("30")) }
 
-        val pmtFirstElementOnly = PartialMerkleTree.build(merkleTree, listOf<SecureHash>(digestService.hash("0")))
+        val pmtFirstElementOnly = PartialMerkleTree.build(merkleTree, listOf(digestService.hash("0")))
         assertEquals(0, pmtFirstElementOnly.leafIndex(digestService.hash("0")))
         // The provided hash is not in the tree.
         assertFailsWith<MerkleTreeException> { pmtFirstElementOnly.leafIndex(digestService.hash("10")) }
 
-        val pmtLastElementOnly = PartialMerkleTree.build(merkleTree, listOf<SecureHash>(digestService.hash("19")))
+        val pmtLastElementOnly = PartialMerkleTree.build(merkleTree, listOf(digestService.hash("19")))
         assertEquals(19, pmtLastElementOnly.leafIndex(digestService.hash("19")))
         // The provided hash is not in the tree.
         assertFailsWith<MerkleTreeException> { pmtLastElementOnly.leafIndex(digestService.hash("10")) }
 
-        val pmtOneElement = PartialMerkleTree.build(merkleTree, listOf<SecureHash>(digestService.hash("5")))
+        val pmtOneElement = PartialMerkleTree.build(merkleTree, listOf(digestService.hash("5")))
         assertEquals(5, pmtOneElement.leafIndex(digestService.hash("5")))
         // The provided hash is not in the tree.
         assertFailsWith<MerkleTreeException> { pmtOneElement.leafIndex(digestService.hash("10")) }

core-tests/src/test/kotlin/net/corda/coretests/crypto/PartialMerkleTreeWithNamedHashMultiAlgTreeTest.kt

@@ -1,17 +1,14 @@
 package net.corda.coretests.crypto
 
-import com.nhaarman.mockito_kotlin.doReturn
-import com.nhaarman.mockito_kotlin.mock
-import com.nhaarman.mockito_kotlin.whenever
 import net.corda.core.contracts.Command
 import net.corda.core.contracts.PrivacySalt
 import net.corda.core.contracts.StateRef
 import net.corda.core.contracts.TimeWindow
 import net.corda.core.contracts.TransactionState
+import net.corda.core.crypto.DigestService
 import net.corda.core.crypto.MerkleTree
 import net.corda.core.crypto.MerkleTreeException
 import net.corda.core.crypto.PartialMerkleTree
-import net.corda.core.crypto.DigestService
 import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.SecureHash.Companion.SHA2_384
 import net.corda.core.crypto.SecureHash.Companion.hashAs
@@ -26,9 +23,10 @@ import net.corda.core.serialization.serialize
 import net.corda.core.transactions.ReferenceStateRef
 import net.corda.core.transactions.WireTransaction
 import net.corda.core.utilities.OpaqueBytes
+import net.corda.coretesting.internal.TEST_TX_TIME
 import net.corda.finance.DOLLARS
-import net.corda.finance.`issued by`
 import net.corda.finance.contracts.asset.Cash
+import net.corda.finance.`issued by`
 import net.corda.testing.common.internal.testNetworkParameters
 import net.corda.testing.core.DUMMY_NOTARY_NAME
 import net.corda.testing.core.SerializationEnvironmentRule
@@ -36,10 +34,10 @@ import net.corda.testing.core.TestIdentity
 import net.corda.testing.dsl.LedgerDSL
 import net.corda.testing.dsl.TestLedgerDSLInterpreter
 import net.corda.testing.dsl.TestTransactionDSLInterpreter
-import net.corda.coretesting.internal.TEST_TX_TIME
 import net.corda.testing.internal.createWireTransaction
 import net.corda.testing.node.MockServices
 import net.corda.testing.node.ledger
+import org.assertj.core.api.Assertions.assertThatIllegalArgumentException
 import org.junit.Assert.assertFalse
 import org.junit.Assert.assertNotEquals
 import org.junit.Assert.assertNotNull
@@ -49,6 +47,9 @@ import org.junit.Before
 import org.junit.Rule
 import org.junit.Test
 import org.junit.jupiter.api.Assertions.assertEquals
+import org.mockito.kotlin.doReturn
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.whenever
 import java.security.PublicKey
 import java.util.function.Predicate
 import java.util.stream.IntStream
@@ -209,7 +210,7 @@ class PartialMerkleTreeWithNamedHashMultiAlgTreeTest {
 
     @Test(timeout=300_000)
     fun `nothing filtered`() {
-        val ftxNothing = testTx.buildFilteredTransaction(Predicate { false })
+        val ftxNothing = testTx.buildFilteredTransaction { false }
         assertTrue(ftxNothing.componentGroups.isEmpty())
         assertTrue(ftxNothing.attachments.isEmpty())
         assertTrue(ftxNothing.commands.isEmpty())
@@ -296,10 +297,12 @@ class PartialMerkleTreeWithNamedHashMultiAlgTreeTest {
         assertFalse(pmt.verify(wrongRoot, inclHashes))
     }
 
-    @Test(expected = Exception::class, timeout=300_000)
+    @Test(timeout=300_000)
     fun `hash map serialization not allowed`() {
         val hm1 = hashMapOf("a" to 1, "b" to 2, "c" to 3, "e" to 4)
-        hm1.serialize()
+        assertThatIllegalArgumentException().isThrownBy {
+            hm1.serialize()
+        }
     }
 
     private fun makeSimpleCashWtx(
@@ -381,4 +384,4 @@ class PartialMerkleTreeWithNamedHashMultiAlgTreeTest {
         assertEquals(1, ftx.references.size)
         ftx.verify()
     }
-}
+}

core-tests/src/test/kotlin/net/corda/coretests/crypto/PartialMerkleTreeWithNamedHashTest.kt

@@ -1,17 +1,14 @@
 package net.corda.coretests.crypto
 
-import com.nhaarman.mockito_kotlin.doReturn
-import com.nhaarman.mockito_kotlin.mock
-import com.nhaarman.mockito_kotlin.whenever
 import net.corda.core.contracts.Command
 import net.corda.core.contracts.PrivacySalt
 import net.corda.core.contracts.StateRef
 import net.corda.core.contracts.TimeWindow
 import net.corda.core.contracts.TransactionState
+import net.corda.core.crypto.DigestService
 import net.corda.core.crypto.MerkleTree
 import net.corda.core.crypto.MerkleTreeException
 import net.corda.core.crypto.PartialMerkleTree
-import net.corda.core.crypto.DigestService
 import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.SecureHash.Companion.SHA2_384
 import net.corda.core.crypto.SecureHash.Companion.hashAs
@@ -26,9 +23,10 @@ import net.corda.core.serialization.serialize
 import net.corda.core.transactions.ReferenceStateRef
 import net.corda.core.transactions.WireTransaction
 import net.corda.core.utilities.OpaqueBytes
+import net.corda.coretesting.internal.TEST_TX_TIME
 import net.corda.finance.DOLLARS
-import net.corda.finance.`issued by`
 import net.corda.finance.contracts.asset.Cash
+import net.corda.finance.`issued by`
 import net.corda.testing.common.internal.testNetworkParameters
 import net.corda.testing.core.DUMMY_NOTARY_NAME
 import net.corda.testing.core.SerializationEnvironmentRule
@@ -36,10 +34,10 @@ import net.corda.testing.core.TestIdentity
 import net.corda.testing.dsl.LedgerDSL
 import net.corda.testing.dsl.TestLedgerDSLInterpreter
 import net.corda.testing.dsl.TestTransactionDSLInterpreter
-import net.corda.coretesting.internal.TEST_TX_TIME
 import net.corda.testing.internal.createWireTransaction
 import net.corda.testing.node.MockServices
 import net.corda.testing.node.ledger
+import org.assertj.core.api.Assertions.assertThatIllegalArgumentException
 import org.junit.Assert.assertFalse
 import org.junit.Assert.assertNotEquals
 import org.junit.Assert.assertNotNull
@@ -49,6 +47,9 @@ import org.junit.Before
 import org.junit.Rule
 import org.junit.Test
 import org.junit.jupiter.api.Assertions.assertEquals
+import org.mockito.kotlin.doReturn
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.whenever
 import java.security.PublicKey
 import java.util.function.Predicate
 import java.util.stream.IntStream
@@ -209,7 +210,7 @@ class PartialMerkleTreeWithNamedHashTest {
 
     @Test(timeout=300_000)
     fun `nothing filtered`() {
-        val ftxNothing = testTx.buildFilteredTransaction(Predicate { false })
+        val ftxNothing = testTx.buildFilteredTransaction { false }
         assertTrue(ftxNothing.componentGroups.isEmpty())
         assertTrue(ftxNothing.attachments.isEmpty())
         assertTrue(ftxNothing.commands.isEmpty())
@@ -296,10 +297,12 @@ class PartialMerkleTreeWithNamedHashTest {
         assertFalse(pmt.verify(wrongRoot, inclHashes))
     }
 
-    @Test(expected = Exception::class, timeout=300_000)
+    @Test(timeout=300_000)
     fun `hash map serialization not allowed`() {
         val hm1 = hashMapOf("a" to 1, "b" to 2, "c" to 3, "e" to 4)
-        hm1.serialize()
+        assertThatIllegalArgumentException().isThrownBy {
+            hm1.serialize()
+        }
     }
 
     private fun makeSimpleCashWtx(
@@ -381,4 +384,4 @@ class PartialMerkleTreeWithNamedHashTest {
         assertEquals(1, ftx.references.size)
         ftx.verify()
     }
-}
+}

core-tests/src/test/kotlin/net/corda/coretests/crypto/SignedDataTest.kt

@@ -6,6 +6,7 @@ import net.corda.core.crypto.sign
 import net.corda.core.serialization.SerializedBytes
 import net.corda.core.serialization.serialize
 import net.corda.testing.core.SerializationEnvironmentRule
+import org.assertj.core.api.Assertions.assertThatExceptionOfType
 import org.junit.Before
 import org.junit.Rule
 import org.junit.Test
@@ -35,12 +36,14 @@ class SignedDataTest {
         assertEquals(data, unwrappedData)
     }
 
-    @Test(expected = SignatureException::class, timeout=300_000)
+    @Test(timeout=300_000)
     fun `make sure incorrectly signed data raises an exception`() {
         val keyPairA = generateKeyPair()
         val keyPairB = generateKeyPair()
         val sig = keyPairA.private.sign(serialized.bytes, keyPairB.public)
         val wrappedData = SignedData(serialized, sig)
-        wrappedData.verified()
+        assertThatExceptionOfType(SignatureException::class.java).isThrownBy {
+            wrappedData.verified()
+        }
     }
 }

core-tests/src/test/kotlin/net/corda/coretests/crypto/TransactionSignatureTest.kt

@@ -1,7 +1,17 @@
 package net.corda.coretests.crypto
 
-import net.corda.core.crypto.*
+import net.corda.core.crypto.Crypto
+import net.corda.core.crypto.MerkleTree
+import net.corda.core.crypto.MerkleTreeException
+import net.corda.core.crypto.PartialMerkleTree
+import net.corda.core.crypto.SecureHash
+import net.corda.core.crypto.SignableData
+import net.corda.core.crypto.SignatureMetadata
+import net.corda.core.crypto.TransactionSignature
+import net.corda.core.crypto.sha256
+import net.corda.core.crypto.sign
 import net.corda.testing.core.SerializationEnvironmentRule
+import org.assertj.core.api.Assertions.assertThatExceptionOfType
 import org.junit.Rule
 import org.junit.Test
 import java.math.BigInteger
@@ -39,12 +49,14 @@ class TransactionSignatureTest {
     }
 
     /** Verification should fail; corrupted metadata - clearData (Merkle root) has changed. */
-    @Test(expected = SignatureException::class,timeout=300_000)
+    @Test(timeout=300_000)
     fun `Signature metadata full failure clearData has changed`() {
         val keyPair = Crypto.generateKeyPair("ECDSA_SECP256K1_SHA256")
         val signableData = SignableData(testBytes.sha256(), SignatureMetadata(1, Crypto.findSignatureScheme(keyPair.public).schemeNumberID))
         val transactionSignature = keyPair.sign(signableData)
-        Crypto.doVerify((testBytes + testBytes).sha256(), transactionSignature)
+        assertThatExceptionOfType(SignatureException::class.java).isThrownBy {
+            Crypto.doVerify((testBytes + testBytes).sha256(), transactionSignature)
+        }
     }
 
     @Test(timeout=300_000)

core-tests/src/test/kotlin/net/corda/coretests/flows/AbstractFlowExternalOperationTest.kt

@@ -1,6 +1,7 @@
 package net.corda.coretests.flows
 
 import co.paralleluniverse.fibers.Suspendable
+import co.paralleluniverse.strands.Strand
 import net.corda.core.CordaException
 import net.corda.core.flows.FlowExternalAsyncOperation
 import net.corda.core.flows.FlowExternalOperation
@@ -133,7 +134,7 @@ abstract class AbstractFlowExternalOperationTest {
         fun createFuture(): CompletableFuture<Any> {
             return CompletableFuture.supplyAsync(Supplier<Any> {
                 log.info("Starting sleep inside of future")
-                Thread.sleep(1000)
+                Strand.sleep(1000)
                 log.info("Finished sleep inside of future")
                 "Here is your return value"
             }, executorService)
@@ -255,4 +256,4 @@ abstract class AbstractFlowExternalOperationTest {
             return function(serviceHub, deduplicationId)
         }
     }
-}
+}

core-tests/src/test/kotlin/net/corda/coretests/flows/CollectSignaturesFlowTests.kt

@@ -23,22 +23,22 @@ import net.corda.core.identity.groupAbstractPartyByWellKnownParty
 import net.corda.core.transactions.SignedTransaction
 import net.corda.core.transactions.TransactionBuilder
 import net.corda.core.utilities.getOrThrow
+import net.corda.coretesting.internal.matchers.flow.willReturn
+import net.corda.coretesting.internal.matchers.flow.willThrow
 import net.corda.testing.contracts.DummyContract
 import net.corda.testing.core.ALICE_NAME
 import net.corda.testing.core.BOB_NAME
 import net.corda.testing.core.CHARLIE_NAME
 import net.corda.testing.core.TestIdentity
 import net.corda.testing.core.singleIdentity
-import net.corda.coretesting.internal.matchers.flow.willReturn
-import net.corda.coretesting.internal.matchers.flow.willThrow
 import net.corda.testing.node.MockServices
 import net.corda.testing.node.internal.DUMMY_CONTRACTS_CORDAPP
 import net.corda.testing.node.internal.InternalMockNetwork
 import net.corda.testing.node.internal.TestStartedNode
 import net.corda.testing.node.internal.enclosedCordapp
-import org.hamcrest.CoreMatchers.`is`
+import org.assertj.core.api.Assertions.assertThat
+import org.assertj.core.api.Assertions.assertThatIllegalArgumentException
 import org.junit.AfterClass
-import org.junit.Assert
 import org.junit.Test
 import java.security.PublicKey
 
@@ -92,7 +92,7 @@ class CollectSignaturesFlowTests : WithContracts {
         mockNet.runNetwork()
         val stx = future.get()
         val missingSigners = stx.getMissingSigners()
-        Assert.assertThat(missingSigners, `is`(emptySet()))
+        assertThat(missingSigners).isEmpty()
     }
 
     @Test(timeout=300_000)
@@ -122,10 +122,10 @@ class CollectSignaturesFlowTests : WithContracts {
         mockNet.runNetwork()
         val stx = future.get()
         val missingSigners = stx.getMissingSigners()
-        Assert.assertThat(missingSigners, `is`(emptySet()))
+        assertThat(missingSigners).isEmpty()
     }
 
-    @Test(expected = IllegalArgumentException::class, timeout=300_000)
+    @Test(timeout=300_000)
     fun `throws exception when extra sessions are initiated`() {
         bobNode.registerInitiatedFlow(ExtraSessionsFlowResponder::class.java)
         charlieNode.registerInitiatedFlow(ExtraSessionsFlowResponder::class.java)
@@ -137,7 +137,9 @@ class CollectSignaturesFlowTests : WithContracts {
                 listOf(bobNode.info.singleIdentity(), alice)))
                 .resultFuture
         mockNet.runNetwork()
-        future.getOrThrow()
+        assertThatIllegalArgumentException().isThrownBy {
+            future.getOrThrow()
+        }
     }
 
     @Test(timeout=300_000)
@@ -152,7 +154,7 @@ class CollectSignaturesFlowTests : WithContracts {
                 listOf(bobNode.info.singleIdentity(), alice))).resultFuture
         mockNet.runNetwork()
         val signedTx = future.getOrThrow()
-        Assert.assertThat(signedTx.getMissingSigners(), `is`(emptySet()))
+        assertThat(signedTx.getMissingSigners()).isEmpty()
     }
 
     @Test(timeout=300_000)
@@ -216,7 +218,7 @@ class CollectSignaturesFlowTests : WithContracts {
             }
         }
 
-        @InitiatedBy(TestFlow.Initiator::class)
+        @InitiatedBy(Initiator::class)
         class Responder(private val otherSideSession: FlowSession) : FlowLogic<Unit>() {
             @Suspendable
             override fun call() {
@@ -251,7 +253,7 @@ class AnonymousSessionTestFlow(private val cis: List<PartyAndCertificate>) : Flo
             }
         }
         val state = DummyContract.MultiOwnerState(owners = cis.map { AnonymousParty(it.owningKey) })
-        val create = net.corda.testing.contracts.DummyContract.Commands.Create()
+        val create = DummyContract.Commands.Create()
         val txBuilder = TransactionBuilder(notary = serviceHub.networkMapCache.notaryIdentities.first())
                 .addOutputState(state)
                 .addCommand(create, cis.map { it.owningKey })
@@ -289,7 +291,7 @@ class MixAndMatchAnonymousSessionTestFlow(private val cis: List<PartyAndCertific
             }
         }
         val state = DummyContract.MultiOwnerState(owners = cis.map { AnonymousParty(it.owningKey) })
-        val create = net.corda.testing.contracts.DummyContract.Commands.Create()
+        val create = DummyContract.Commands.Create()
         val txBuilder = TransactionBuilder(notary = serviceHub.networkMapCache.notaryIdentities.first())
                 .addOutputState(state)
                 .addCommand(create, cis.map { it.owningKey })
@@ -324,7 +326,7 @@ class ExtraSessionsFlow(private val openFor: List<Party>, private val involve: L
 
         val sessions = openFor.map { initiateFlow(it) }
         val state = DummyContract.MultiOwnerState(owners = involve.map { AnonymousParty(it.owningKey) })
-        val create = net.corda.testing.contracts.DummyContract.Commands.Create()
+        val create = DummyContract.Commands.Create()
         val txBuilder = TransactionBuilder(notary = serviceHub.networkMapCache.notaryIdentities.first())
                 .addOutputState(state)
                 .addCommand(create, involve.map { it.owningKey })

core-tests/src/test/kotlin/net/corda/coretests/flows/ContractUpgradeFlowRPCTest.kt

@@ -9,6 +9,7 @@ import net.corda.core.CordaRuntimeException
 import net.corda.core.contracts.ContractState
 import net.corda.core.contracts.StateAndRef
 import net.corda.core.flows.ContractUpgradeFlow
+import net.corda.core.internal.getRequiredTransaction
 import net.corda.core.messaging.CordaRPCOps
 import net.corda.core.transactions.ContractUpgradeLedgerTransaction
 import net.corda.core.transactions.SignedTransaction
@@ -120,8 +121,7 @@ class ContractUpgradeFlowRPCTest : WithContracts, WithFinality {
                     isUpgrade<FROM, TO>())
 
     private fun TestStartedNode.getContractUpgradeTransaction(state: StateAndRef<ContractState>) =
-            services.validatedTransactions.getTransaction(state.ref.txhash)!!
+            services.getRequiredTransaction(state.ref.txhash).resolveContractUpgradeTransaction(services)
-                    .resolveContractUpgradeTransaction(services)
 
     private inline fun <reified FROM : Any, reified TO : Any> isUpgrade() =
             isUpgradeFrom<FROM>() and isUpgradeTo<TO>()

core-tests/src/test/kotlin/net/corda/coretests/flows/ContractUpgradeFlowTest.kt

@@ -1,31 +1,54 @@
 package net.corda.coretests.flows
 
-import com.natpryce.hamkrest.*
+import com.natpryce.hamkrest.Matcher
+import com.natpryce.hamkrest.and
+import com.natpryce.hamkrest.anything
 import com.natpryce.hamkrest.assertion.assertThat
-import net.corda.core.contracts.*
+import com.natpryce.hamkrest.equalTo
+import com.natpryce.hamkrest.has
+import com.natpryce.hamkrest.isA
+import net.corda.core.contracts.AlwaysAcceptAttachmentConstraint
+import net.corda.core.contracts.Amount
+import net.corda.core.contracts.AttachmentConstraint
+import net.corda.core.contracts.BelongsToContract
+import net.corda.core.contracts.CommandAndState
+import net.corda.core.contracts.ContractState
+import net.corda.core.contracts.FungibleAsset
+import net.corda.core.contracts.Issued
+import net.corda.core.contracts.StateAndRef
+import net.corda.core.contracts.TypeOnlyCommandData
+import net.corda.core.contracts.UpgradedContractWithLegacyConstraint
 import net.corda.core.flows.UnexpectedFlowEndException
 import net.corda.core.identity.AbstractParty
 import net.corda.core.internal.Emoji
+import net.corda.core.internal.getRequiredTransaction
+import net.corda.core.internal.mapToSet
 import net.corda.core.transactions.ContractUpgradeLedgerTransaction
 import net.corda.core.transactions.LedgerTransaction
 import net.corda.core.utilities.OpaqueBytes
 import net.corda.core.utilities.getOrThrow
+import net.corda.coretesting.internal.matchers.flow.willReturn
+import net.corda.coretesting.internal.matchers.flow.willThrow
 import net.corda.finance.USD
-import net.corda.finance.`issued by`
 import net.corda.finance.contracts.asset.Cash
 import net.corda.finance.flows.CashIssueFlow
+import net.corda.finance.`issued by`
 import net.corda.testing.contracts.DummyContract
 import net.corda.testing.contracts.DummyContractV2
 import net.corda.testing.contracts.DummyContractV3
 import net.corda.testing.core.ALICE_NAME
 import net.corda.testing.core.BOB_NAME
 import net.corda.testing.core.singleIdentity
-import net.corda.coretesting.internal.matchers.flow.willReturn
+import net.corda.testing.node.internal.DUMMY_CONTRACTS_CORDAPP
-import net.corda.coretesting.internal.matchers.flow.willThrow
+import net.corda.testing.node.internal.FINANCE_CONTRACTS_CORDAPP
-import net.corda.testing.node.internal.*
+import net.corda.testing.node.internal.FINANCE_WORKFLOWS_CORDAPP
+import net.corda.testing.node.internal.InternalMockNetwork
+import net.corda.testing.node.internal.TestStartedNode
+import net.corda.testing.node.internal.enclosedCordapp
+import net.corda.testing.node.internal.startFlow
 import org.junit.AfterClass
 import org.junit.Test
-import java.util.*
+import java.util.Currency
 
 class ContractUpgradeFlowTest : WithContracts, WithFinality {
 
@@ -159,7 +182,7 @@ class ContractUpgradeFlowTest : WithContracts, WithFinality {
         @BelongsToContract(CashV2::class)
         data class State(override val amount: Amount<Issued<Currency>>, val owners: List<AbstractParty>) : FungibleAsset<Currency> {
             override val owner: AbstractParty = owners.first()
-            override val exitKeys = (owners + amount.token.issuer.party).map { it.owningKey }.toSet()
+            override val exitKeys = (owners + amount.token.issuer.party).mapToSet { it.owningKey }
             override val participants = owners
 
             override fun withNewOwnerAndAmount(newAmount: Amount<Issued<Currency>>, newOwner: AbstractParty) = copy(amount = amount.copy(newAmount.quantity), owners = listOf(newOwner))
@@ -180,8 +203,7 @@ class ContractUpgradeFlowTest : WithContracts, WithFinality {
                     isUpgrade<FROM, TO>())
 
     private fun TestStartedNode.getContractUpgradeTransaction(state: StateAndRef<ContractState>) =
-            services.validatedTransactions.getTransaction(state.ref.txhash)!!
+            services.getRequiredTransaction(state.ref.txhash).resolveContractUpgradeTransaction(services)
-                    .resolveContractUpgradeTransaction(services)
 
     private inline fun <reified FROM : Any, reified TO : Any> isUpgrade() =
             isUpgradeFrom<FROM>() and isUpgradeTo<TO>()

core-tests/src/test/kotlin/net/corda/coretests/flows/FastThreadLocalTest.kt

@@ -13,7 +13,7 @@ import net.corda.core.internal.rootCause
 import net.corda.core.utilities.getOrThrow
 import org.assertj.core.api.Assertions.catchThrowable
 import org.hamcrest.Matchers.lessThanOrEqualTo
-import org.junit.Assert.assertThat
+import org.hamcrest.MatcherAssert.assertThat
 import org.junit.Test
 import java.util.*
 import java.util.concurrent.ExecutorService
@@ -85,7 +85,7 @@ class FastThreadLocalTest {
     }
 
     private class UnserializableObj {
-        @Suppress("unused")
+        @Suppress("unused", "IMPLICIT_NOTHING_TYPE_ARGUMENT_IN_RETURN_POSITION")
         private val fail: Nothing by lazy { throw UnsupportedOperationException("Nice try.") }
     }
 

core-tests/src/test/kotlin/net/corda/coretests/flows/FlowExternalAsyncOperationTest.kt

@@ -15,6 +15,7 @@ import net.corda.testing.core.singleIdentity
 import net.corda.testing.driver.DriverParameters
 import net.corda.testing.driver.driver
 import org.junit.Test
+import java.io.Serializable
 import java.sql.SQLTransientConnectionException
 import java.util.concurrent.CompletableFuture
 import kotlin.test.assertFailsWith
@@ -22,6 +23,8 @@ import kotlin.test.assertTrue
 
 class FlowExternalAsyncOperationTest : AbstractFlowExternalOperationTest() {
 
+    private fun interface SerializableLambda2<S, T, R> : (S, T) -> R, Serializable
+
     @Test(timeout = 300_000)
     fun `external async operation`() {
         driver(DriverParameters(notarySpecs = emptyList(), startNodesInProcess = true)) {
@@ -196,15 +199,15 @@ class FlowExternalAsyncOperationTest : AbstractFlowExternalOperationTest() {
     @StartableByRPC
     class FlowWithExternalAsyncOperationPropagatesException<T>(party: Party, private val exceptionType: Class<T>) :
         FlowWithExternalProcess(party) {
-
         @Suspendable
         override fun testCode(): Any {
             val e = createException()
-            return await(ExternalAsyncOperation(serviceHub) { _, _ ->
+
+            return await(ExternalAsyncOperation(serviceHub, (SerializableLambda2 { _, _ ->
                 CompletableFuture<Any>().apply {
                     completeExceptionally(e)
                 }
-            })
+            })))
         }
 
         private fun createException() = when (exceptionType) {
@@ -252,7 +255,6 @@ class FlowExternalAsyncOperationTest : AbstractFlowExternalOperationTest() {
     @StartableByRPC
     class FlowWithExternalAsyncOperationThatDirectlyAccessesServiceHubFailsRetry(party: Party) : FlowWithExternalProcess(party) {
 
-        @Suppress("TooGenericExceptionCaught")
         @Suspendable
         override fun testCode(): Any {
             return await(ExternalAsyncOperation(serviceHub) { _, _ ->
@@ -287,4 +289,4 @@ class FlowExternalAsyncOperationTest : AbstractFlowExternalOperationTest() {
                 serviceHub.cordaService(FutureService::class.java).startMultipleFuturesAndJoin()
             }.also { log.info("Result - $it") })
     }
-}
+}

core-tests/src/test/kotlin/net/corda/coretests/flows/FlowExternalOperationTest.kt

@@ -21,12 +21,15 @@ import net.corda.testing.driver.DriverParameters
 import net.corda.testing.driver.driver
 import net.corda.testing.node.internal.cordappsForPackages
 import org.junit.Test
+import java.io.Serializable
 import java.sql.SQLTransientConnectionException
 import kotlin.test.assertFailsWith
 import kotlin.test.assertTrue
 
 class FlowExternalOperationTest : AbstractFlowExternalOperationTest() {
 
+    private fun interface SerializableLambda2<S, T, R> : (S, T) -> R, Serializable
+
     @Test(timeout = 300_000)
     fun `external operation`() {
         driver(DriverParameters(notarySpecs = emptyList(), startNodesInProcess = true)) {
@@ -254,7 +257,7 @@ class FlowExternalOperationTest : AbstractFlowExternalOperationTest() {
         @Suspendable
         override fun testCode() {
             val e = createException()
-            await(ExternalOperation(serviceHub) { _, _ -> throw e })
+            await<Nothing>(ExternalOperation(serviceHub, (SerializableLambda2 { _, _ -> throw e })))
         }
 
         private fun createException() = when (exceptionType) {
@@ -270,7 +273,7 @@ class FlowExternalOperationTest : AbstractFlowExternalOperationTest() {
 
         @Suspendable
         override fun testCode(): Any = try {
-            await(ExternalOperation(serviceHub) { _, _ ->
+            await<Nothing>(ExternalOperation(serviceHub) { _, _ ->
                 throw IllegalStateException("threw exception in background process")
             })
         } catch (e: IllegalStateException) {
@@ -284,7 +287,7 @@ class FlowExternalOperationTest : AbstractFlowExternalOperationTest() {
 
         @Suspendable
         override fun testCode(): Any =
-            await(ExternalOperation(serviceHub) { serviceHub, _ ->
+            await<Nothing>(ExternalOperation(serviceHub) { serviceHub, _ ->
                 serviceHub.cordaService(FutureService::class.java).throwHospitalHandledException()
             })
     }
@@ -292,11 +295,10 @@ class FlowExternalOperationTest : AbstractFlowExternalOperationTest() {
     @StartableByRPC
     class FlowWithExternalOperationThatDirectlyAccessesServiceHubFailsRetry(party: Party) : FlowWithExternalProcess(party) {
 
-        @Suppress("TooGenericExceptionCaught")
         @Suspendable
         override fun testCode(): Any {
             try {
-                await(ExternalOperation(serviceHub) { _, _ ->
+                await<Nothing>(ExternalOperation(serviceHub) { _, _ ->
                     serviceHub.cordaService(FutureService::class.java).throwHospitalHandledException()
                 })
             } catch (e: NullPointerException) {
@@ -430,4 +432,4 @@ class FlowExternalOperationTest : AbstractFlowExternalOperationTest() {
             })
         }
     }
-}
+}

core-tests/src/test/kotlin/net/corda/coretests/flows/FlowSleepTest.kt

@@ -79,7 +79,7 @@ class FlowSleepTest {
         @Suspendable
         override fun call(): Pair<Instant, Instant> {
             val start = Instant.now()
-            sleep(5.seconds)
+            sleep(6.seconds)
             return start to Instant.now()
         }
     }
@@ -90,9 +90,9 @@ class FlowSleepTest {
         @Suspendable
         override fun call(): Triple<Instant, Instant, Instant> {
             val start = Instant.now()
-            sleep(5.seconds)
+            sleep(6.seconds)
             val middle = Instant.now()
-            sleep(10.seconds)
+            sleep(11.seconds)
             return Triple(start, middle, Instant.now())
         }
     }
@@ -143,4 +143,4 @@ class FlowSleepTest {
             session.send("I got you bro")
         }
     }
-}
+}

core-tests/src/test/kotlin/net/corda/coretests/flows/ReceiveAllFlowTests.kt

@@ -58,7 +58,7 @@ class ReceiveMultipleFlowTests : WithMockNet {
                     assertEquals(message, receivedMessage)
                     session.send(answer)
                 }
-            } as FlowLogic<Unit>
+            }
         }
 
         assertThat(
@@ -139,4 +139,4 @@ private inline fun <reified T> TestStartedNode.registerAnswer(kClass: KClass<out
             }
         }
     }
-}
+}

core-tests/src/test/kotlin/net/corda/coretests/flows/WithFinality.kt

@@ -13,6 +13,7 @@ import net.corda.core.flows.ReceiveFinalityFlow
 import net.corda.core.flows.StartableByRPC
 import net.corda.core.identity.Party
 import net.corda.core.internal.FlowStateMachineHandle
+import net.corda.core.internal.getRequiredTransaction
 import net.corda.core.messaging.CordaRPCOps
 import net.corda.core.messaging.FlowHandle
 import net.corda.core.messaging.startFlow
@@ -26,9 +27,7 @@ interface WithFinality : WithMockNet {
         return startFlowAndRunNetwork(FinalityInvoker(stx, recipients.toSet(), emptySet()))
     }
 
-    fun TestStartedNode.getValidatedTransaction(stx: SignedTransaction): SignedTransaction {
+    fun TestStartedNode.getValidatedTransaction(stx: SignedTransaction): SignedTransaction = services.getRequiredTransaction(stx.id)
-        return services.validatedTransactions.getTransaction(stx.id)!!
-    }
 
     fun CordaRPCOps.finalise(stx: SignedTransaction, vararg recipients: Party): FlowHandle<SignedTransaction> {
         return startFlow(WithFinality::FinalityInvoker, stx, recipients.toSet(), emptySet()).andRunNetwork()

core-tests/src/test/kotlin/net/corda/coretests/internal/NetworkParametersResolutionTest.kt

@@ -226,4 +226,4 @@ class NetworkParametersResolutionTest {
         }.withMessageContaining("The network parameters epoch (${defaultParams.epoch}) of this transaction " +
                 "is older than the epoch (${params2.epoch}) of input state: ${stx2.inputs.first()}")
     }
-}
+}

core-tests/src/test/kotlin/net/corda/coretests/internal/ResolveTransactionsFlowTest.kt

@@ -258,7 +258,7 @@ class ResolveTransactionsFlowTest {
 
     // Used for checking larger chains resolve correctly. Note that this takes a long time to run, and so is not suitable for a CI gate.
     @Test(timeout=300_000)
-@Ignore
+    @Ignore
     fun `Can resolve large chain of transactions`() {
         val txToResolve = makeLargeTransactionChain(2500)
         val p = TestFlow(txToResolve, megaCorp)

core-tests/src/test/kotlin/net/corda/coretests/internal/verification/AttachmentFixupsTest.kt

@@ -0,0 +1,135 @@
+package net.corda.coretests.internal.verification
+
+import net.corda.core.internal.verification.AttachmentFixups
+import net.corda.core.node.services.AttachmentId
+import net.corda.node.internal.cordapp.JarScanningCordappLoader
+import org.assertj.core.api.Assertions.assertThat
+import org.junit.Test
+import java.nio.file.Files
+import java.nio.file.Path
+import java.util.jar.JarOutputStream
+import java.util.zip.Deflater
+import java.util.zip.ZipEntry
+import kotlin.io.path.outputStream
+import kotlin.test.assertFailsWith
+
+class AttachmentFixupsTest {
+    companion object {
+        @JvmField
+        val ID1 = AttachmentId.randomSHA256()
+        @JvmField
+        val ID2 = AttachmentId.randomSHA256()
+        @JvmField
+        val ID3 = AttachmentId.randomSHA256()
+        @JvmField
+        val ID4 = AttachmentId.randomSHA256()
+    }
+
+    @Test(timeout=300_000)
+    fun `test fixup rule that adds attachment`() {
+        val fixupJar = Files.createTempFile("fixup", ".jar")
+                .writeFixupRules("$ID1 => $ID2, $ID3")
+        val fixedIDs = with(newFixupService(fixupJar)) {
+            fixupAttachmentIds(listOf(ID1))
+        }
+        assertThat(fixedIDs).containsExactly(ID2, ID3)
+    }
+
+    @Test(timeout=300_000)
+    fun `test fixup rule that deletes attachment`() {
+        val fixupJar = Files.createTempFile("fixup", ".jar")
+                .writeFixupRules("$ID1 =>")
+        val fixedIDs = with(newFixupService(fixupJar)) {
+            fixupAttachmentIds(listOf(ID1))
+        }
+        assertThat(fixedIDs).isEmpty()
+    }
+
+    @Test(timeout=300_000)
+    fun `test fixup rule with blank LHS`() {
+        val fixupJar = Files.createTempFile("fixup", ".jar")
+                .writeFixupRules(" => $ID2")
+        val ex = assertFailsWith<IllegalArgumentException> {
+            newFixupService(fixupJar)
+        }
+        assertThat(ex).hasMessageContaining(
+                "Forbidden empty list of source attachment IDs in '$fixupJar'"
+        )
+    }
+
+    @Test(timeout=300_000)
+    fun `test fixup rule without arrows`() {
+        val rule = " $ID1 "
+        val fixupJar = Files.createTempFile("fixup", ".jar")
+                .writeFixupRules(rule)
+        val ex = assertFailsWith<IllegalArgumentException> {
+            newFixupService(fixupJar)
+        }
+        assertThat(ex).hasMessageContaining(
+                "Invalid fix-up line '${rule.trim()}' in '$fixupJar'"
+        )
+    }
+
+    @Test(timeout=300_000)
+    fun `test fixup rule with too many arrows`() {
+        val rule = " $ID1 => $ID2 => $ID3 "
+        val fixupJar = Files.createTempFile("fixup", ".jar")
+                .writeFixupRules(rule)
+        val ex = assertFailsWith<IllegalArgumentException> {
+            newFixupService(fixupJar)
+        }
+        assertThat(ex).hasMessageContaining(
+                "Invalid fix-up line '${rule.trim()}' in '$fixupJar'"
+        )
+    }
+
+    @Test(timeout=300_000)
+    fun `test fixup file containing multiple rules and comments`() {
+        val fixupJar = Files.createTempFile("fixup", ".jar").writeFixupRules(
+                "# Whole line comment",
+                "\t$ID1,$ID2 =>  $ID2,,  $ID3 # EOl comment",
+                "   # Empty line with comment",
+                "",
+                "$ID3 => $ID4"
+        )
+        val fixedIDs = with(newFixupService(fixupJar)) {
+            fixupAttachmentIds(listOf(ID2, ID1))
+        }
+        assertThat(fixedIDs).containsExactlyInAnyOrder(ID2, ID4)
+    }
+
+    private fun Path.writeFixupRules(vararg lines: String): Path {
+        JarOutputStream(outputStream()).use { jar ->
+            jar.setMethod(ZipEntry.DEFLATED)
+            jar.setLevel(Deflater.NO_COMPRESSION)
+            jar.putNextEntry(directoryEntry("META-INF"))
+            jar.putNextEntry(fileEntry("META-INF/Corda-Fixups"))
+            for (line in lines) {
+                jar.write(line.toByteArray())
+                jar.write('\r'.code)
+                jar.write('\n'.code)
+            }
+        }
+        return this
+    }
+
+    private fun directoryEntry(internalName: String): ZipEntry {
+        return ZipEntry("$internalName/").apply {
+            method = ZipEntry.STORED
+            compressedSize = 0
+            size = 0
+            crc = 0
+        }
+    }
+
+    private fun fileEntry(internalName: String): ZipEntry {
+        return ZipEntry(internalName).apply {
+            method = ZipEntry.DEFLATED
+        }
+    }
+
+    private fun newFixupService(vararg paths: Path): AttachmentFixups {
+        val loader = JarScanningCordappLoader(paths.toSet())
+        return AttachmentFixups().apply { load(loader.appClassLoader) }
+    }
+}

core-tests/src/test/kotlin/net/corda/coretests/node/NetworkParametersTest.kt

@@ -1,7 +1,7 @@
 package net.corda.coretests.node
 
-import com.nhaarman.mockito_kotlin.doReturn
+import org.mockito.kotlin.doReturn
-import com.nhaarman.mockito_kotlin.whenever
+import org.mockito.kotlin.whenever
 import net.corda.core.crypto.generateKeyPair
 import net.corda.core.internal.getPackageOwnerOf
 import net.corda.core.node.NetworkParameters

core-tests/src/test/kotlin/net/corda/coretests/node/VaultUpdateTests.kt

@@ -15,7 +15,7 @@ class VaultUpdateTests {
     private companion object {
         const val DUMMY_PROGRAM_ID = "net.corda.coretests.node.VaultUpdateTests\$DummyContract"
         val DUMMY_NOTARY = TestIdentity(DUMMY_NOTARY_NAME, 20).party
-        val emptyUpdate = Vault.Update(emptySet(), emptySet(), type = Vault.UpdateType.GENERAL, references = emptySet())
+        val emptyUpdate = Vault.Update(emptySet<StateAndRef<*>>(), emptySet(), type = Vault.UpdateType.GENERAL, references = emptySet())
     }
 
     object DummyContract : Contract {

core-tests/src/test/kotlin/net/corda/coretests/serialization/AttachmentSerializationTest.kt

@@ -116,6 +116,7 @@ class AttachmentSerializationTest {
     private class CustomAttachment(override val id: SecureHash, internal val customContent: String) : Attachment {
         override fun open() = throw UnsupportedOperationException("Not implemented.")
         override val signerKeys get() = throw UnsupportedOperationException()
+        @Suppress("OVERRIDE_DEPRECATION")
         override val signers: List<Party> get() = throw UnsupportedOperationException()
         override val size get() = throw UnsupportedOperationException()
     }

core-tests/src/test/kotlin/net/corda/coretests/serialization/TransactionSerializationTests.kt

@@ -1,6 +1,6 @@
 package net.corda.coretests.serialization
 
-import com.nhaarman.mockito_kotlin.mock
+import org.mockito.kotlin.mock
 import net.corda.core.contracts.*
 import net.corda.core.crypto.Crypto
 import net.corda.core.crypto.SignatureMetadata

core-tests/src/test/kotlin/net/corda/coretests/transactions/AttachmentsClassLoaderSerializationTests.kt

@@ -11,13 +11,13 @@ import net.corda.core.utilities.ByteSequence
 import net.corda.core.utilities.OpaqueBytes
 import net.corda.isolated.contracts.DummyContractBackdoor
 import net.corda.node.services.attachments.NodeAttachmentTrustCalculator
+import net.corda.node.services.persistence.toInternal
 import net.corda.testing.common.internal.testNetworkParameters
 import net.corda.testing.core.DUMMY_NOTARY_NAME
 import net.corda.testing.core.SerializationEnvironmentRule
 import net.corda.testing.core.TestIdentity
 import net.corda.testing.internal.TestingNamedCacheFactory
 import net.corda.testing.internal.fakeAttachment
-import net.corda.testing.internal.services.InternalMockAttachmentStorage
 import net.corda.testing.services.MockAttachmentStorage
 import org.apache.commons.io.IOUtils
 import org.junit.Assert.assertEquals
@@ -30,7 +30,7 @@ import kotlin.test.assertFailsWith
 class AttachmentsClassLoaderSerializationTests {
 
     companion object {
-        val ISOLATED_CONTRACTS_JAR_PATH: URL = AttachmentsClassLoaderSerializationTests::class.java.getResource("/isolated.jar")
+        val ISOLATED_CONTRACTS_JAR_PATH: URL = AttachmentsClassLoaderSerializationTests::class.java.getResource("/isolated.jar")!!
         private const val ISOLATED_CONTRACT_CLASS_NAME = "net.corda.isolated.contracts.AnotherDummyContract"
     }
 
@@ -38,20 +38,19 @@ class AttachmentsClassLoaderSerializationTests {
     @JvmField
     val testSerialization = SerializationEnvironmentRule()
 
-    private val storage = InternalMockAttachmentStorage(MockAttachmentStorage())
+    private val storage = MockAttachmentStorage().toInternal()
     private val attachmentTrustCalculator = NodeAttachmentTrustCalculator(storage, TestingNamedCacheFactory())
 
     @Test(timeout=300_000)
 	fun `Can serialize and deserialize with an attachment classloader`() {
-
+        val dummyNotary = TestIdentity(DUMMY_NOTARY_NAME, 20).party
-        val DUMMY_NOTARY = TestIdentity(DUMMY_NOTARY_NAME, 20).party
+        val megaCorp = TestIdentity(CordaX500Name("MegaCorp", "London", "GB")).party
-        val MEGA_CORP = TestIdentity(CordaX500Name("MegaCorp", "London", "GB")).party
 
         val isolatedId = storage.importAttachment(ISOLATED_CONTRACTS_JAR_PATH.openStream(), "app", "isolated.jar")
         val att1 = storage.importAttachment(fakeAttachment("file1.txt", "some data").inputStream(), "app", "file1.jar")
         val att2 = storage.importAttachment(fakeAttachment("file2.txt", "some other data").inputStream(), "app", "file2.jar")
 
-        val serialisedState = AttachmentsClassLoaderBuilder.withAttachmentsClassloaderContext(
+        val serialisedState = AttachmentsClassLoaderBuilder.withAttachmentsClassLoaderContext(
                 arrayOf(isolatedId, att1, att2).map { storage.openAttachment(it)!! },
                 testNetworkParameters(),
                 SecureHash.zeroHash,
@@ -64,7 +63,7 @@ class AttachmentsClassLoaderSerializationTests {
             val txt = IOUtils.toString(classLoader.getResourceAsStream("file1.txt"), Charsets.UTF_8.name())
             assertEquals("some data", txt)
 
-            val state = (contract as DummyContractBackdoor).generateInitial(MEGA_CORP.ref(1), 1, DUMMY_NOTARY).outputStates().first()
+            val state = (contract as DummyContractBackdoor).generateInitial(megaCorp.ref(1), 1, dummyNotary).outputStates().first()
             val serialisedState = state.serialize()
 
             val state1 = serialisedState.deserialize()