IRS Demo - split IRS Demo into two separate applications to showcase … (#1638)

* IRS Demo - split IRS Demo into two separate applications to showcase the separation and usage of RPC client

.gitignore

@@ -11,6 +11,7 @@ tags
 
 .gradle
 local.properties
+.gradletasknamecache
 
 # General build files
 **/build/*

.idea/compiler.xml

@@ -2,8 +2,6 @@
 <project version="4">
   <component name="CompilerConfiguration">
     <bytecodeTargetLevel target="1.8">
-      <module name="api-scanner_main" target="1.8" />
-      <module name="api-scanner_test" target="1.8" />
       <module name="attachment-demo_integrationTest" target="1.8" />
       <module name="attachment-demo_main" target="1.8" />
       <module name="attachment-demo_test" target="1.8" />
@@ -21,6 +19,7 @@
       <module name="corda-webserver_integrationTest" target="1.8" />
       <module name="corda-webserver_main" target="1.8" />
       <module name="corda-webserver_test" target="1.8" />
+      <module name="cordapp_integrationTest" target="1.8" />
       <module name="cordapp_main" target="1.8" />
       <module name="cordapp_test" target="1.8" />
       <module name="cordform-common_main" target="1.8" />
@@ -43,11 +42,8 @@
       <module name="explorer-capsule_test" target="1.6" />
       <module name="explorer_main" target="1.8" />
       <module name="explorer_test" target="1.8" />
-      <module name="finance_integrationTest" target="1.8" />
       <module name="finance_main" target="1.8" />
       <module name="finance_test" target="1.8" />
-      <module name="gradle-plugins-cordform-common_main" target="1.8" />
-      <module name="gradle-plugins-cordform-common_test" target="1.8" />
       <module name="graphs_main" target="1.8" />
       <module name="graphs_test" target="1.8" />
       <module name="irs-demo_integrationTest" target="1.8" />
@@ -122,6 +118,8 @@
       <module name="verifier_integrationTest" target="1.8" />
       <module name="verifier_main" target="1.8" />
       <module name="verifier_test" target="1.8" />
+      <module name="web_main" target="1.8" />
+      <module name="web_test" target="1.8" />
       <module name="webcapsule_main" target="1.6" />
       <module name="webcapsule_test" target="1.6" />
       <module name="webserver-webcapsule_main" target="1.6" />

samples/irs-demo/README.md

@@ -4,25 +4,28 @@ This demo brings up three nodes: Bank A, Bank B and a node that simultaneously r
 interest rates oracle. The two banks agree on an interest rate swap, and then do regular fixings of the deal as the 
 time on a simulated clock passes.
 
-To run from the command line in Unix:
+Functionality is split into two parts - CordApp which provides actual distributed ledger backend and Spring Boot 
+webapp which provides REST API and web frontend. Application communicate using Corda RPC protocol.
 
-1. Run ``./gradlew samples:irs-demo:deployNodes`` to install configs and a command line tool under 
+To run from the command line in Unix:
+1. Run ``./gradlew samples:irs-demo:cordapp:deployNodes`` to install configs and a command line tool under 
    ``samples/irs-demo/build``
-2. Run ``./gradlew samples:irs-demo:installDist``
-3. Move to the ``samples/irs-demo/build`` directory
-4. Run ``./nodes/runnodes`` to open up three new terminals with the three nodes (you may have to install xterm)
+2. Run ``./gradlew samples:irs-demo:web:deployWebapps`` to install configs and tools for running webservers
+3. Move to the ``samples/irs-demo/`` directory
+4. Run ``./cordapp/build/nodes/runnodes`` to open up three new terminals with the three nodes (you may have to install xterm)
+5. Run ``./web/build/webapps/runwebapps`` to open three more terminals for associated webserver
 
 To run from the command line in Windows:
 
-1. Run ``gradlew.bat samples:irs-demo:deployNodes`` to install configs and a command line tool under 
+1. Run ``gradlew.bat samples:irs-demo:cordapp:deployNodes`` to install configs and a command line tool under 
    ``samples\irs-demo\build``
-2. Run ``gradlew.bat samples:irs-demo:installDist``
-3. Run ``cd samples\irs-demo\build`` to change current working directory
-4. Run ``nodes\runnodes`` to open up several 6 terminals, 2 for each node. First terminal is a web-server associated 
-   with every node and second one is Corda interactive shell for the node
+2. Run ``gradlew.bat samples:irs-demo:web:deployWebapps`` to install configs and tools for running webservers
+3. Run ``cd samples\irs-demo`` to change current working directory
+4. Run ``cordapp\build\nodes\runnodes`` to open up several 3 terminals for each nodes
+5. Run ``web\build\webapps\webapps`` to open up several 3 terminals for each nodes' webservers
 
-This demo also has a web app. To use this, run nodes and then navigate to http://localhost:10007/web/irsdemo and 
-http://localhost:10010/web/irsdemo to see each node's view of the ledger.
+This demo also has a web app. To use this, run nodes and then navigate to http://localhost:10007/ and 
+http://localhost:10010/ to see each node's view of the ledger.
 
 To use the web app, click the "Create Deal" button, fill in the form, then click the "Submit" button. You can then use 
 the time controls at the top left of the home page to run the fixings. Click any individual trade in the blotter to 

samples/irs-demo/build.gradle

@@ -1,6 +1,25 @@
+buildscript {
+    ext {
+        springBootVersion = '1.5.7.RELEASE'
+    }
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
+    }
+}
+
+// Spring Boot plugin adds a numerous hardcoded dependencies in the version much lower then Corda expects
+// causing the problems in runtime. Those can be changed by manipulating above properties
+// See https://github.com/spring-gradle-plugins/dependency-management-plugin/blob/master/README.md#changing-the-value-of-a-version-property
+ext['artemis.version'] = "$artemis_version"
+ext['hibernate.version'] = "$hibernate_version"
+
 apply plugin: 'java'
 apply plugin: 'kotlin'
 apply plugin: 'idea'
+apply plugin: 'org.springframework.boot'
 apply plugin: 'net.corda.plugins.quasar-utils'
 apply plugin: 'net.corda.plugins.publish-utils'
 apply plugin: 'net.corda.plugins.cordapp'
@@ -23,59 +42,25 @@ sourceSets {
 configurations {
     integrationTestCompile.extendsFrom testCompile
     integrationTestRuntime.extendsFrom testRuntime
+    demoArtifacts.extendsFrom testRuntime
 }
 
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jre8:$kotlin_version"
-
-    // The irs demo CorDapp depends upon Cash CorDapp features
-    cordapp project(':finance')
-
-    // Corda integration dependencies
-    cordaCompile project(path: ":node:capsule", configuration: 'runtimeArtifacts')
-    cordaCompile project(path: ":webserver:webcapsule", configuration: 'runtimeArtifacts')
-    cordaCompile project(':core')
-    cordaCompile project(':webserver')
-
-    // Javax is required for webapis
-    compile "org.glassfish.jersey.core:jersey-server:${jersey_version}"
-
-    // Cordapp dependencies
-    // Specify your cordapp's dependencies below, including dependent cordapps
-    compile "com.squareup.okhttp3:okhttp:$okhttp_version"
+    compile group: 'commons-io', name: 'commons-io', version: '2.5'
+    compile project(path: ":samples:irs-demo:cordapp", configuration: "demoArtifacts")
+    compile project(":samples:irs-demo:web")
+    compile('org.springframework.boot:spring-boot-starter-web') {
+        exclude module: "spring-boot-starter-logging"
+        exclude module: "logback-classic"
+    }
 
     testCompile project(':node-driver')
     testCompile "junit:junit:$junit_version"
     testCompile "org.assertj:assertj-core:${assertj_version}"
 }
 
-task deployNodes(type: net.corda.plugins.Cordform, dependsOn: ['jar']) {
-    directory "./build/nodes"
-    node {
-        name "O=Notary Service,L=Zurich,C=CH"
-        notary = [validating : true]
-        p2pPort 10002
-        rpcPort 10003
-        webPort 10004
-        cordapps = ["$project.group:finance:$corda_release_version"]
-        useTestClock true
-    }
-    node {
-        name "O=Bank A,L=London,C=GB"
-        p2pPort 10005
-        rpcPort 10006
-        webPort 10007
-        cordapps = ["$project.group:finance:$corda_release_version"]
-        useTestClock true
-    }
-    node {
-        name "O=Bank B,L=New York,C=US"
-        p2pPort 10008
-        rpcPort 10009
-        webPort 10010
-        cordapps = ["$project.group:finance:$corda_release_version"]
-        useTestClock true
-    }
+bootRepackage {
+    enabled = false
 }
 
 task integrationTest(type: Test, dependsOn: []) {
@@ -83,41 +68,9 @@ task integrationTest(type: Test, dependsOn: []) {
     classpath = sourceSets.integrationTest.runtimeClasspath
 }
 
-// This fixes the "line too long" error when running this demo with windows CLI
-// TODO: Automatically apply to all projects via a plugin
-tasks.withType(CreateStartScripts).each { task ->
-    task.doLast {
-        String text = task.windowsScript.text
-        // Replaces the per file classpath (which are all jars in "lib") with a wildcard on lib
-        text = text.replaceFirst(/(set CLASSPATH=%APP_HOME%\\lib\\).*/, { "${it[1]}*" })
-        task.windowsScript.write text
-    }
-}
-
 idea {
     module {
         downloadJavadoc = true // defaults to false
         downloadSources = true
     }
-}
-
-publishing {
-    publications {
-        jarAndSources(MavenPublication) {
-            from components.java
-            artifactId 'irsdemo'
-
-            artifact sourceJar
-            artifact javadocJar
-        }
-    }
-}
-
-jar {
-    from sourceSets.test.output
-    manifest {
-        attributes(
-                'Automatic-Module-Name': 'net.corda.samples.demos.irs'
-        )
-    }
-}
+}

samples/irs-demo/cordapp/build.gradle

@@ -0,0 +1,115 @@
+apply plugin: 'java'
+apply plugin: 'kotlin'
+apply plugin: 'idea'
+apply plugin: 'net.corda.plugins.quasar-utils'
+apply plugin: 'net.corda.plugins.publish-utils'
+apply plugin: 'net.corda.plugins.cordformation'
+apply plugin: 'net.corda.plugins.cordapp'
+apply plugin: 'maven-publish'
+apply plugin: 'application'
+
+mainClassName = 'net.corda.irs.IRSDemo'
+
+sourceSets {
+    integrationTest {
+        kotlin {
+            compileClasspath += main.output + test.output
+            runtimeClasspath += main.output + test.output
+            srcDir file('src/integration-test/kotlin')
+        }
+    }
+}
+
+configurations {
+    integrationTestCompile.extendsFrom testCompile
+    integrationTestRuntime.extendsFrom testRuntime
+    demoArtifacts.extendsFrom integrationTestRuntime
+}
+
+dependencies {
+    // The irs demo CorDapp depends upon Cash CorDapp features
+    cordapp project(':finance')
+
+    // Corda integration dependencies
+    cordaCompile project(path: ":node:capsule", configuration: 'runtimeArtifacts')
+    cordaCompile project(':core')
+
+    // Cordapp dependencies
+    // Specify your cordapp's dependencies below, including dependent cordapps
+    compile group: 'commons-io', name: 'commons-io', version: '2.5'
+
+    testCompile project(':node-driver')
+    testCompile "junit:junit:$junit_version"
+    testCompile "org.assertj:assertj-core:${assertj_version}"
+}
+
+task deployNodes(type: net.corda.plugins.Cordform, dependsOn: ['jar']) {
+
+    ext.rpcUsers = [
+            ['username' : "user",
+             'password' : "password",
+             'permissions' : [
+                     "StartFlow.net.corda.irs.flows.AutoOfferFlow\$Requester",
+                     "StartFlow.net.corda.irs.flows.UpdateBusinessDayFlow\$Broadcast",
+                     "StartFlow.net.corda.irs.api.NodeInterestRates\$UploadFixesFlow"
+             ]]
+    ]
+
+    directory "./build/nodes"
+    node {
+        name "O=Notary Service,L=Zurich,C=CH"
+        notary = [validating : true]
+        p2pPort 10002
+        rpcPort 10003
+        cordapps = ["net.corda:finance:$corda_release_version"]
+        rpcUsers = ext.rpcUsers
+        useTestClock true
+    }
+    node {
+        name "O=Bank A,L=London,C=GB"
+        p2pPort 10005
+        rpcPort 10006
+        cordapps = ["net.corda:finance:$corda_release_version"]
+        rpcUsers = ext.rpcUsers
+        useTestClock true
+    }
+    node {
+        name "O=Bank B,L=New York,C=US"
+        p2pPort 10008
+        rpcPort 10009
+        cordapps = ["net.corda:finance:$corda_release_version"]
+        rpcUsers = ext.rpcUsers
+        useTestClock true
+    }
+}
+
+task integrationTest(type: Test, dependsOn: []) {
+    testClassesDirs = sourceSets.integrationTest.output.classesDirs
+    classpath = sourceSets.integrationTest.runtimeClasspath
+}
+
+// This fixes the "line too long" error when running this demo with windows CLI
+// TODO: Automatically apply to all projects via a plugin
+tasks.withType(CreateStartScripts).each { task ->
+    task.doLast {
+        String text = task.windowsScript.text
+        // Replaces the per file classpath (which are all jars in "lib") with a wildcard on lib
+        text = text.replaceFirst(/(set CLASSPATH=%APP_HOME%\\lib\\).*/, { "${it[1]}*" })
+        task.windowsScript.write text
+    }
+}
+
+idea {
+    module {
+        downloadJavadoc = true // defaults to false
+        downloadSources = true
+    }
+}
+
+jar {
+    from sourceSets.test.output
+}
+
+artifacts {
+    demoArtifacts jar
+}

samples/irs-demo/src/integration-test/kotlin/net/corda/irs/IRSDemoTest.kt

@@ -13,23 +13,25 @@ import net.corda.core.contracts.UniqueIdentifier
 import net.corda.core.identity.Party
 import net.corda.core.messaging.vaultTrackBy
 import net.corda.core.toFuture
-import net.corda.core.utilities.NetworkHostAndPort
 import net.corda.core.utilities.getOrThrow
 import net.corda.core.utilities.loggerFor
 import net.corda.core.utilities.seconds
 import net.corda.finance.plugin.registerFinanceJSONMappers
 import net.corda.irs.contract.InterestRateSwap
-import net.corda.irs.utilities.uploadFile
+import net.corda.irs.web.IrsDemoWebApplication
 import net.corda.node.services.config.FullNodeConfiguration
 import net.corda.nodeapi.User
-import net.corda.testing.*
-import net.corda.testing.driver.driver
+import net.corda.test.spring.springDriver
+import net.corda.testing.DUMMY_BANK_A
+import net.corda.testing.DUMMY_BANK_B
+import net.corda.testing.DUMMY_NOTARY
+import net.corda.testing.IntegrationTestCategory
+import net.corda.testing.chooseIdentity
 import net.corda.testing.http.HttpApi
 import org.apache.commons.io.IOUtils
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.Test
 import rx.Observable
-import java.net.URL
 import java.time.Duration
 import java.time.LocalDate
 
@@ -39,31 +41,34 @@ class IRSDemoTest : IntegrationTestCategory {
         val log = loggerFor<IRSDemoTest>()
     }
 
-    private val rpcUser = User("user", "password", setOf("ALL"))
-    private val currentDate: LocalDate = LocalDate.now()
-    private val futureDate: LocalDate = currentDate.plusMonths(6)
-    private val maxWaitTime: Duration = 60.seconds
+    val rpcUsers = listOf(User("user", "password",
+            setOf("StartFlow.net.corda.irs.flows.AutoOfferFlow\$Requester",
+                    "StartFlow.net.corda.irs.flows.UpdateBusinessDayFlow\$Broadcast",
+                    "StartFlow.net.corda.irs.api.NodeInterestRates\$UploadFixesFlow")))
+
+    val currentDate: LocalDate = LocalDate.now()
+    val futureDate: LocalDate = currentDate.plusMonths(6)
+    val maxWaitTime: Duration = 60.seconds
 
     @Test
     fun `runs IRS demo`() {
-        driver(useTestClock = true, isDebug = true) {
+        springDriver(useTestClock = true, isDebug = true, extraCordappPackagesToScan = listOf("net.corda.irs")) {
             val (controller, nodeA, nodeB) = listOf(
-                    startNotaryNode(DUMMY_NOTARY.name, validating = false),
-                    startNode(providedName = DUMMY_BANK_A.name, rpcUsers = listOf(rpcUser)),
-                    startNode(providedName = DUMMY_BANK_B.name))
-                    .map { it.getOrThrow() }
+                    startNotaryNode(DUMMY_NOTARY.name, validating = true, rpcUsers = rpcUsers),
+                    startNode(providedName = DUMMY_BANK_A.name, rpcUsers = rpcUsers),
+                    startNode(providedName = DUMMY_BANK_B.name, rpcUsers = rpcUsers)).map { it.getOrThrow() }
 
             log.info("All nodes started")
 
-            val (controllerAddr, nodeAAddr, nodeBAddr) = listOf(
-                    startWebserver(controller),
-                    startWebserver(nodeA),
-                    startWebserver(nodeB))
-                    .map { it.getOrThrow().listenAddress }
+            val controllerAddrFuture = startSpringBootWebapp(IrsDemoWebApplication::class.java, controller, "/api/irs/demodate")
+            val nodeAAddrFuture = startSpringBootWebapp(IrsDemoWebApplication::class.java, nodeA, "/api/irs/demodate")
+            val nodeBAddrFuture = startSpringBootWebapp(IrsDemoWebApplication::class.java, nodeB, "/api/irs/demodate")
+            val (controllerAddr, nodeAAddr, nodeBAddr) =
+                    listOf(controllerAddrFuture, nodeAAddrFuture, nodeBAddrFuture).map { it.getOrThrow().listenAddress }
 
             log.info("All webservers started")
 
-            val (_, nodeAApi, nodeBApi) = listOf(controller, nodeA, nodeB).zip(listOf(controllerAddr, nodeAAddr, nodeBAddr)).map {
+            val (controllerApi, nodeAApi, nodeBApi) = listOf(controller, nodeA, nodeB).zip(listOf(controllerAddr, nodeAAddr, nodeBAddr)).map {
                 val mapper = net.corda.client.jackson.JacksonSupport.createDefaultMapper(it.first.rpc)
                 registerFinanceJSONMappers(mapper)
                 registerIRSModule(mapper)
@@ -73,7 +78,7 @@ class IRSDemoTest : IntegrationTestCategory {
             val numADeals = getTradeCount(nodeAApi)
             val numBDeals = getTradeCount(nodeBApi)
 
-            runUploadRates(controllerAddr)
+            runUploadRates(controllerApi)
             runTrade(nodeAApi, controller.nodeInfo.chooseIdentity())
 
             assertThat(getTradeCount(nodeAApi)).isEqualTo(numADeals + 1)
@@ -89,9 +94,7 @@ class IRSDemoTest : IntegrationTestCategory {
         }
     }
 
-    private fun getFloatingLegFixCount(nodeApi: HttpApi): Int {
-        return getTrades(nodeApi)[0].calculation.floatingLegPaymentSchedule.count { it.value.rate.ratioUnit != null }
-    }
+    fun getFloatingLegFixCount(nodeApi: HttpApi) = getTrades(nodeApi)[0].calculation.floatingLegPaymentSchedule.count { it.value.rate.ratioUnit != null }
 
     private fun getFixingDateObservable(config: FullNodeConfiguration): Observable<LocalDate?> {
         val client = CordaRPCClient(config.rpcAddress!!)
@@ -111,16 +114,15 @@ class IRSDemoTest : IntegrationTestCategory {
 
     private fun runTrade(nodeApi: HttpApi, oracle: Party) {
         log.info("Running trade against ${nodeApi.root}")
-        val fileContents = loadResourceFile("net/corda/irs/simulation/example-irs-trade.json")
+        val fileContents = loadResourceFile("net/corda/irs/web/simulation/example-irs-trade.json")
         val tradeFile = fileContents.replace("tradeXXX", "trade1").replace("oracleXXX", oracle.name.toString())
         assertThat(nodeApi.postJson("deals", tradeFile)).isTrue()
     }
 
-    private fun runUploadRates(host: NetworkHostAndPort) {
-        log.info("Running upload rates against $host")
+    private fun runUploadRates(nodeApi: HttpApi) {
+        log.info("Running upload rates against ${nodeApi.root}")
         val fileContents = loadResourceFile("net/corda/irs/simulation/example.rates.txt")
-        val url = URL("http://$host/api/irs/fixes")
-        assertThat(uploadFile(url, fileContents)).isTrue()
+        assertThat(nodeApi.postPlain("fixes", fileContents)).isTrue()
     }
 
     private fun loadResourceFile(filename: String): String {

samples/irs-demo/src/integration-test/kotlin/net/corda/test/spring/SpringDriver.kt

@@ -0,0 +1,124 @@
+package net.corda.test.spring
+
+import net.corda.core.concurrent.CordaFuture
+import net.corda.core.internal.concurrent.flatMap
+import net.corda.core.internal.concurrent.fork
+import net.corda.core.internal.concurrent.map
+import net.corda.core.utilities.loggerFor
+import net.corda.testing.driver.*
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import java.net.ConnectException
+import java.net.URL
+import java.nio.file.Path
+import java.nio.file.Paths
+import java.util.concurrent.ExecutorService
+import java.util.concurrent.TimeUnit
+
+interface SpringDriverExposedDSLInterface : DriverDSLExposedInterface {
+
+    /**
+     * Starts a Spring Boot application, passes the RPC connection data as parameters the process.
+     * Returns future which will complete after (and if) the server passes healthcheck.
+     * @param clazz Class with main method which is expected to run Spring application
+     * @param handle Corda Node handle this webapp is expected to connect to
+     * @param checkUrl URL path to use for server readiness check - uses [okhttp3.Response.isSuccessful] as qualifier
+     *
+     * TODO:  Rather then expecting a given clazz to contain main method which start Spring app our own simple class can do this
+     */
+    fun startSpringBootWebapp(clazz: Class<*>, handle: NodeHandle, checkUrl: String): CordaFuture<WebserverHandle>
+}
+
+interface SpringDriverInternalDSLInterface : DriverDSLInternalInterface, SpringDriverExposedDSLInterface
+
+fun <A> springDriver(
+        defaultParameters: DriverParameters = DriverParameters(),
+        isDebug: Boolean = defaultParameters.isDebug,
+        driverDirectory: Path = defaultParameters.driverDirectory,
+        portAllocation: PortAllocation = defaultParameters.portAllocation,
+        debugPortAllocation: PortAllocation = defaultParameters.debugPortAllocation,
+        systemProperties: Map<String, String> = defaultParameters.systemProperties,
+        useTestClock: Boolean = defaultParameters.useTestClock,
+        initialiseSerialization: Boolean = defaultParameters.initialiseSerialization,
+        startNodesInProcess: Boolean = defaultParameters.startNodesInProcess,
+        extraCordappPackagesToScan: List<String> = defaultParameters.extraCordappPackagesToScan,
+        dsl: SpringDriverExposedDSLInterface.() -> A
+) = genericDriver(
+        defaultParameters = defaultParameters,
+        isDebug = isDebug,
+        driverDirectory = driverDirectory,
+        portAllocation = portAllocation,
+        debugPortAllocation = debugPortAllocation,
+        systemProperties = systemProperties,
+        useTestClock = useTestClock,
+        initialiseSerialization = initialiseSerialization,
+        startNodesInProcess = startNodesInProcess,
+        extraCordappPackagesToScan = extraCordappPackagesToScan,
+        driverDslWrapper = { driverDSL:DriverDSL -> SpringBootDriverDSL(driverDSL) },
+        coerce = { it },
+        dsl = dsl
+)
+
+data class SpringBootDriverDSL(
+        val driverDSL: DriverDSL
+) : DriverDSLInternalInterface by driverDSL, SpringDriverInternalDSLInterface {
+
+    val log = loggerFor<SpringBootDriverDSL>()
+
+    override fun startSpringBootWebapp(clazz: Class<*>, handle: NodeHandle, checkUrl: String): CordaFuture<WebserverHandle> {
+        val debugPort = if (driverDSL.isDebug) driverDSL.debugPortAllocation.nextPort() else null
+        val processFuture = startApplication(driverDSL.executorService, handle, debugPort, clazz)
+        driverDSL.registerProcess(processFuture)
+        return processFuture.map { queryWebserver(handle, it, checkUrl) }
+    }
+
+    private fun queryWebserver(handle: NodeHandle, process: Process, checkUrl: String): WebserverHandle {
+        val protocol = if (handle.configuration.useHTTPS) "https://" else "http://"
+        val url = URL(URL("$protocol${handle.webAddress}"), checkUrl)
+        val client = OkHttpClient.Builder().connectTimeout(5, TimeUnit.SECONDS).readTimeout(10, TimeUnit.SECONDS).build()
+
+        var maxRetries = 30
+
+        while (process.isAlive && maxRetries > 0) try {
+            val response = client.newCall(Request.Builder().url(url).build()).execute()
+            response.use {
+                if (response.isSuccessful) {
+                    return WebserverHandle(handle.webAddress, process)
+                }
+            }
+
+            TimeUnit.SECONDS.sleep(2)
+            maxRetries--
+        } catch (e: ConnectException) {
+            log.debug("Retrying webserver info at ${handle.webAddress}")
+        }
+
+        throw IllegalStateException("Webserver at ${handle.webAddress} has died or was not reachable at URL ${url}")
+    }
+
+    private fun startApplication(executorService: ExecutorService, handle: NodeHandle, debugPort: Int?, clazz: Class<*>): CordaFuture<Process> {
+        return executorService.fork {
+            val className = clazz.canonicalName
+            ProcessUtilities.startJavaProcessImpl(
+                    className = className, // cannot directly get class for this, so just use string
+                    jdwpPort = debugPort,
+                    extraJvmArguments = listOf(
+                            "-Dname=node-${handle.configuration.p2pAddress}-webserver",
+                            "-Djava.io.tmpdir=${System.getProperty("java.io.tmpdir")}"
+                            // Inherit from parent process
+                    ),
+                    classpath = ProcessUtilities.defaultClassPath,
+                    workingDirectory = handle.configuration.baseDirectory,
+                    errorLogPath = Paths.get("error.$className.log"),
+                    arguments = listOf(
+                            "--base-directory", handle.configuration.baseDirectory.toString(),
+                            "--server.port=${handle.webAddress.port}",
+                            "--corda.host=${handle.configuration.rpcAddress}",
+                            "--corda.user=${handle.configuration.rpcUsers.first().username}",
+                            "--corda.password=${handle.configuration.rpcUsers.first().password}"
+                            ),
+                    maximumHeapSize = null
+            )
+        }.flatMap { process -> addressMustBeBoundFuture(driverDSL.executorService, handle.webAddress, process).map { process } }
+    }
+}

samples/irs-demo/src/main/kotlin/net/corda/irs/plugin/IRSPlugin.kt

@@ -1,16 +0,0 @@
-package net.corda.irs.plugin
-
-import com.fasterxml.jackson.databind.ObjectMapper
-import net.corda.finance.plugin.registerFinanceJSONMappers
-import net.corda.irs.api.InterestRateSwapAPI
-import net.corda.webserver.services.WebServerPluginRegistry
-import java.util.function.Function
-
-class IRSPlugin : WebServerPluginRegistry {
-    override val webApis = listOf(Function(::InterestRateSwapAPI))
-    override val staticServeDirs: Map<String, String> = mapOf(
-            "irsdemo" to javaClass.classLoader.getResource("irsweb").toExternalForm()
-    )
-
-    override fun customizeJSONSerialization(om: ObjectMapper): Unit = registerFinanceJSONMappers(om)
-}

samples/irs-demo/src/main/kotlin/net/corda/irs/utilities/HttpUtils.kt

@@ -1,42 +0,0 @@
-package net.corda.irs.utilities
-
-import okhttp3.MediaType
-import okhttp3.OkHttpClient
-import okhttp3.Request
-import okhttp3.RequestBody
-import java.net.URL
-import java.util.concurrent.TimeUnit
-
-/**
- * A small set of utilities for making HttpCalls, aimed at demos.
- */
-private val client by lazy {
-    OkHttpClient.Builder()
-            .connectTimeout(5, TimeUnit.SECONDS)
-            .readTimeout(60, TimeUnit.SECONDS).build()
-}
-
-fun putJson(url: URL, data: String): Boolean {
-    val body = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), data)
-    return makeRequest(Request.Builder().url(url).put(body).build())
-}
-
-fun postJson(url: URL, data: String): Boolean {
-    val body = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), data)
-    return makeRequest(Request.Builder().url(url).post(body).build())
-}
-
-fun uploadFile(url: URL, file: String): Boolean {
-    val body = RequestBody.create(MediaType.parse("text/plain; charset=utf-8"), file)
-    return makeRequest(Request.Builder().url(url).post(body).build())
-}
-
-private fun makeRequest(request: Request): Boolean {
-    val response = client.newCall(request).execute()
-
-    if (!response.isSuccessful) {
-        println("Could not fulfill HTTP request. Status Code: ${response.code()}. Message: ${response.body().string()}")
-    }
-    response.close()
-    return response.isSuccessful
-}

samples/irs-demo/src/main/resources/META-INF/services/net.corda.webserver.services.WebServerPluginRegistry

@@ -1,2 +0,0 @@
-# Register a ServiceLoader service extending from net.corda.webserver.services.WebServerPluginRegistry
-net.corda.irs.plugin.IRSPlugin

samples/irs-demo/src/test/kotlin/net/corda/irs/plugin/IRSDemoPlugin.kt

@@ -1,9 +0,0 @@
-package net.corda.irs.plugin
-
-import net.corda.irs.api.InterestRatesSwapDemoAPI
-import net.corda.webserver.services.WebServerPluginRegistry
-import java.util.function.Function
-
-class IRSDemoPlugin : WebServerPluginRegistry {
-    override val webApis = listOf(Function(::InterestRatesSwapDemoAPI))
-}

samples/irs-demo/src/test/resources/META-INF/services/net.corda.webserver.services.WebServerPluginRegistry

@@ -1,2 +0,0 @@
-net.corda.irs.plugin.IRSPlugin
-net.corda.irs.plugin.IRSDemoPlugin

samples/irs-demo/web/build.gradle

@@ -0,0 +1,55 @@
+buildscript {
+	repositories {
+		mavenCentral()
+	}
+	dependencies {
+		classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
+		classpath("org.jetbrains.kotlin:kotlin-allopen:${kotlin_version}")
+	}
+}
+
+// Spring Boot plugin adds a numerous hardcoded dependencies in the version much lower then Corda expects
+// causing the problems in runtime. Those can be changed by manipulating above properties
+// See https://github.com/spring-gradle-plugins/dependency-management-plugin/blob/master/README.md#changing-the-value-of-a-version-property
+ext['artemis.version'] = "$artemis_version"
+ext['hibernate.version'] = "$hibernate_version"
+
+apply plugin: 'kotlin'
+apply plugin: 'kotlin-spring'
+apply plugin: 'eclipse'
+apply plugin: 'org.springframework.boot'
+apply plugin: 'project-report'
+apply plugin: 'application'
+
+dependencies {
+	compile('org.springframework.boot:spring-boot-starter-web') {
+		exclude module: "spring-boot-starter-logging"
+		exclude module: "logback-classic"
+	}
+	compile("com.fasterxml.jackson.module:jackson-module-kotlin:2.8.9")
+	compile project(":client:rpc")
+	compile project(":client:jackson")
+	compile project(":test-utils")
+	compile project(path: ":samples:irs-demo:cordapp", configuration: "demoArtifacts")
+	testCompile('org.springframework.boot:spring-boot-starter-test') {
+		exclude module: "spring-boot-starter-logging"
+		exclude module: "logback-classic"
+	}
+}
+
+jar {
+	from sourceSets.test.output
+}
+
+task deployWebapps(type: Copy, dependsOn: ['jar', 'bootRepackage']) {
+	ext.webappDir = file("build/webapps")
+
+	from(jar.outputs)
+	from("src/test/resources/scripts/") {
+		filter { it
+				.replace('#JAR_PATH#', jar.archiveName)
+				.replace('#DIR#', ext.webappDir.getAbsolutePath())
+		}
+	}
+	into ext.webappDir
+}

samples/irs-demo/web/src/main/kotlin/net/corda/irs/web/IrsDemoWebApplication.kt

@@ -0,0 +1,52 @@
+package net.corda.irs.web
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import net.corda.client.jackson.JacksonSupport
+import net.corda.client.rpc.CordaRPCClient
+import net.corda.core.messaging.CordaRPCOps
+import net.corda.core.utilities.NetworkHostAndPort
+import net.corda.finance.plugin.registerFinanceJSONMappers
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.boot.SpringApplication
+import org.springframework.boot.autoconfigure.SpringBootApplication
+import org.springframework.context.annotation.Bean
+
+/**
+ * Simple and sample SpringBoot web application which communicates with Corda node using RPC.
+ * [CordaRPCOps] instance can be managed simply as plain Spring bean.
+ * If support for (de)serializatin of Corda classes is required, [ObjectMapper] can be configured using helper
+ * functions, see [objectMapper]
+ */
+@SpringBootApplication
+class IrsDemoWebApplication {
+    @Value("\${corda.host}")
+    lateinit var cordaHost:String
+
+    @Value("\${corda.user}")
+    lateinit var cordaUser:String
+
+    @Value("\${corda.password}")
+    lateinit var cordaPassword:String
+
+
+    @Bean
+    fun rpcClient(): CordaRPCOps {
+        return CordaRPCClient(NetworkHostAndPort.parse(cordaHost)).start(cordaUser, cordaPassword).proxy
+    }
+
+    @Bean
+    fun objectMapper(@Autowired cordaRPCOps: CordaRPCOps): ObjectMapper {
+        val mapper = JacksonSupport.createDefaultMapper(cordaRPCOps)
+        registerFinanceJSONMappers(mapper)
+        return mapper
+    }
+
+    // running as standalone java app
+    companion object {
+        @JvmStatic fun main(args: Array<String>) {
+            SpringApplication.run(IrsDemoWebApplication::class.java, *args)
+        }
+    }
+}
+

samples/irs-demo/web/src/main/kotlin/net/corda/irs/web/api/InterestSwapRestAPI.kt

@@ -1,4 +1,4 @@
-package net.corda.irs.api
+package net.corda.irs.web.api
 
 import net.corda.core.contracts.filterStatesOfType
 import net.corda.core.messaging.CordaRPCOps
@@ -7,11 +7,12 @@ import net.corda.core.messaging.vaultQueryBy
 import net.corda.core.utilities.getOrThrow
 import net.corda.core.utilities.loggerFor
 import net.corda.irs.contract.InterestRateSwap
-import net.corda.irs.flows.AutoOfferFlow
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.web.bind.annotation.*
+import org.springframework.http.HttpStatus
+import org.springframework.http.ResponseEntity
 import java.net.URI
-import javax.ws.rs.*
-import javax.ws.rs.core.MediaType
-import javax.ws.rs.core.Response
+import net.corda.irs.flows.AutoOfferFlow
 
 /**
  * This provides a simplified API, currently for demonstration use only.
@@ -28,8 +29,10 @@ import javax.ws.rs.core.Response
  *
  * TODO: replace simulated date advancement with business event based implementation
  */
-@Path("irs")
-class InterestRateSwapAPI(val rpc: CordaRPCOps) {
+
+@RestController
+@RequestMapping("/api/irs")
+class InterestRateSwapAPI {
 
     private val logger = loggerFor<InterestRateSwapAPI>()
 
@@ -44,6 +47,10 @@ class InterestRateSwapAPI(val rpc: CordaRPCOps) {
         }
     }
 
+
+    @Autowired
+    lateinit var rpc: CordaRPCOps
+
     private fun getAllDeals(): Array<InterestRateSwap.State> {
         val vault = rpc.vaultQueryBy<InterestRateSwap.State>().states
         val states = vault.filterStatesOfType<InterestRateSwap.State>()
@@ -51,33 +58,30 @@ class InterestRateSwapAPI(val rpc: CordaRPCOps) {
         return swaps
     }
 
-    @GET
-    @Path("deals")
-    @Produces(MediaType.APPLICATION_JSON)
+    @GetMapping("/deals")
     fun fetchDeals(): Array<InterestRateSwap.State> = getAllDeals()
 
-    @POST
-    @Path("deals")
-    @Consumes(MediaType.APPLICATION_JSON)
-    fun storeDeal(newDeal: InterestRateSwap.State): Response {
+    @PostMapping("/deals")
+    fun storeDeal(@RequestBody newDeal: InterestRateSwap.State): ResponseEntity<Any?> {
         return try {
             rpc.startFlow(AutoOfferFlow::Requester, newDeal).returnValue.getOrThrow()
-            Response.created(URI.create(generateDealLink(newDeal))).build()
+            ResponseEntity.created(URI.create(generateDealLink(newDeal))).build()
         } catch (ex: Throwable) {
-            logger.info("Exception when creating deal: $ex")
-            Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(ex.toString()).build()
+            logger.info("Exception when creating deal: $ex", ex)
+            ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(ex.toString())
         }
     }
 
-    @GET
-    @Path("deals/{ref}")
-    @Produces(MediaType.APPLICATION_JSON)
-    fun fetchDeal(@PathParam("ref") ref: String): Response {
-        val deal = getDealByRef(ref)
-        if (deal == null) {
-            return Response.status(Response.Status.NOT_FOUND).build()
+    @GetMapping("/deals/{ref:.+}")
+    fun fetchDeal(@PathVariable ref: String?): ResponseEntity<Any?> {
+        val deal = getDealByRef(ref!!)
+        return if (deal == null) {
+            ResponseEntity.notFound().build()
         } else {
-            return Response.ok().entity(deal).build()
+            ResponseEntity.ok(deal)
         }
     }
+
+    @GetMapping("/deals/networksnapshot")
+    fun fetchDeal() = rpc.networkMapSnapshot().toString()
 }

samples/irs-demo/web/src/main/resources/application-BankA.properties

@@ -0,0 +1,2 @@
+corda.host=localhost:10006
+server.port=10007

samples/irs-demo/web/src/main/resources/application-BankB.properties

@@ -0,0 +1,2 @@
+corda.host=localhost:10009
+server.port=10010

samples/irs-demo/web/src/main/resources/application-NotaryService.properties

@@ -0,0 +1,2 @@
+corda.host=localhost:10003
+server.port=10004

samples/irs-demo/web/src/main/resources/application.properties

@@ -0,0 +1,2 @@
+corda.user=user
+corda.password=password