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Merge remote-tracking branch 'open/master' into colljos-os-merge-rc01

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josecoll
2017-12-18 10:24:38 +00:00
parent f2194fcfd4 00a5e3db6b
commit e9fc6f7c8d
215 changed files with 4624 additions and 1717 deletions
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1
docs/source/example-code/build.gradle
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@ -36,6 +36,7 @@ dependencies {
compile project(':core')
compile project(':client:jfx')
compile project(':node-driver')
compile project(':webserver')
testCompile project(':verifier')
testCompile project(':test-utils')

2
docs/source/example-code/src/main/java/net/corda/docs/java/tutorial/helloworld/TemplateContract.java → docs/source/example-code/src/main/java/com/template/TemplateContract.java
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@ -1,4 +1,4 @@
package net.corda.docs.java.tutorial.helloworld;
package com.template;
import net.corda.core.contracts.CommandData;
import net.corda.core.contracts.Contract;

10
docs/source/example-code/src/main/java/net/corda/docs/java/tutorial/helloworld/IOUFlow.java
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@ -1,17 +1,21 @@
package net.corda.docs.java.tutorial.helloworld;
// DOCSTART 01
import co.paralleluniverse.fibers.Suspendable;
import com.template.TemplateContract;
import net.corda.core.flows.*;
// DOCSTART 01
// Add these imports:
import net.corda.core.contracts.Command;
import net.corda.core.contracts.CommandData;
import net.corda.core.flows.*;
import net.corda.core.identity.Party;
import net.corda.core.transactions.SignedTransaction;
import net.corda.core.transactions.TransactionBuilder;
import net.corda.core.utilities.ProgressTracker;
import static net.corda.docs.java.tutorial.helloworld.TemplateContract.TEMPLATE_CONTRACT_ID;
import static com.template.TemplateContract.TEMPLATE_CONTRACT_ID;
// Replace TemplateFlow's definition with:
@InitiatingFlow
@StartableByRPC
public class IOUFlow extends FlowLogic<Void> {

10
docs/source/example-code/src/main/java/net/corda/docs/java/tutorial/helloworld/IOUState.java
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@ -1,13 +1,15 @@
package net.corda.docs.java.tutorial.helloworld;
// DOCSTART 01
import com.google.common.collect.ImmutableList;
import net.corda.core.contracts.ContractState;
import net.corda.core.identity.AbstractParty;
import net.corda.core.identity.Party;
import java.util.List;
// DOCSTART 01
// Add these imports:
import com.google.common.collect.ImmutableList;
import net.corda.core.identity.Party;
// Replace TemplateState's definition with:
public class IOUState implements ContractState {
private final int value;
private final Party lender;

91
docs/source/example-code/src/main/java/net/corda/docs/java/tutorial/testdsl/CommercialPaperTest.java
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@ -3,48 +3,33 @@ package net.corda.docs.java.tutorial.testdsl;
import kotlin.Unit;
import net.corda.core.contracts.PartyAndReference;
import net.corda.core.identity.CordaX500Name;
import net.corda.core.identity.Party;
import net.corda.finance.contracts.ICommercialPaperState;
import net.corda.finance.contracts.JavaCommercialPaper;
import net.corda.finance.contracts.asset.Cash;
import net.corda.node.services.api.IdentityServiceInternal;
import net.corda.testing.SerializationEnvironmentRule;
import net.corda.testing.node.MockServices;
import net.corda.testing.TestIdentity;
import org.junit.Rule;
import org.junit.Test;
import java.security.PublicKey;
import java.time.temporal.ChronoUnit;
import static java.util.Collections.emptyList;
import static net.corda.core.crypto.Crypto.generateKeyPair;
import static net.corda.finance.Currencies.DOLLARS;
import static net.corda.finance.Currencies.issuedBy;
import static net.corda.finance.contracts.JavaCommercialPaper.JCP_PROGRAM_ID;
import static net.corda.testing.node.MockServicesKt.makeTestIdentityService;
import static net.corda.testing.node.NodeTestUtils.ledger;
import static net.corda.testing.node.NodeTestUtils.transaction;
import static net.corda.testing.CoreTestUtils.rigorousMock;
import static net.corda.testing.TestConstants.*;
import static org.mockito.Mockito.doReturn;
public class CommercialPaperTest {
private static final TestIdentity ALICE = new TestIdentity(getALICE_NAME(), 70L);
private static final TestIdentity ALICE = new TestIdentity(ALICE_NAME, 70L);
private static final PublicKey BIG_CORP_PUBKEY = generateKeyPair().getPublic();
private static final TestIdentity BOB = new TestIdentity(getBOB_NAME(), 80L);
private static final TestIdentity BOB = new TestIdentity(BOB_NAME, 80L);
private static final TestIdentity MEGA_CORP = new TestIdentity(new CordaX500Name("MegaCorp", "London", "GB"));
private static final Party DUMMY_NOTARY = new TestIdentity(getDUMMY_NOTARY_NAME(), 20L).getParty();
@Rule
public final SerializationEnvironmentRule testSerialization = new SerializationEnvironmentRule();
private final byte[] defaultRef = {123};
private final MockServices ledgerServices;
{
IdentityServiceInternal identityService = rigorousMock(IdentityServiceInternal.class);
doReturn(MEGA_CORP.getParty()).when(identityService).partyFromKey(MEGA_CORP.getPubkey());
doReturn(null).when(identityService).partyFromKey(BIG_CORP_PUBKEY);
doReturn(null).when(identityService).partyFromKey(ALICE.getPubkey());
ledgerServices = new MockServices(identityService, MEGA_CORP.getName());
}
private final MockServices ledgerServices = new MockServices(emptyList(), makeTestIdentityService(MEGA_CORP.getIdentity()));
// DOCSTART 1
private ICommercialPaperState getPaper() {
@ -52,7 +37,7 @@ public class CommercialPaperTest {
MEGA_CORP.ref(defaultRef),
MEGA_CORP.getParty(),
issuedBy(DOLLARS(1000), MEGA_CORP.ref(defaultRef)),
getTEST_TX_TIME().plus(7, ChronoUnit.DAYS)
TEST_TX_TIME.plus(7, ChronoUnit.DAYS)
);
}
// DOCEND 1
@ -61,7 +46,7 @@ public class CommercialPaperTest {
@Test
public void simpleCP() {
ICommercialPaperState inState = getPaper();
ledger(ledgerServices, DUMMY_NOTARY, l -> {
ledger(ledgerServices, l -> {
l.transaction(tx -> {
tx.attachments(JCP_PROGRAM_ID);
tx.input(JCP_PROGRAM_ID, inState);
@ -76,10 +61,10 @@ public class CommercialPaperTest {
@Test
public void simpleCPMove() {
ICommercialPaperState inState = getPaper();
ledger(ledgerServices, DUMMY_NOTARY, l -> {
ledger(ledgerServices, l -> {
l.transaction(tx -> {
tx.input(JCP_PROGRAM_ID, inState);
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Move());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Move());
tx.attachments(JCP_PROGRAM_ID);
return tx.verifies();
});
@ -92,10 +77,10 @@ public class CommercialPaperTest {
@Test
public void simpleCPMoveFails() {
ICommercialPaperState inState = getPaper();
ledger(ledgerServices, DUMMY_NOTARY, l -> {
ledger(ledgerServices, l -> {
l.transaction(tx -> {
tx.input(JCP_PROGRAM_ID, inState);
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Move());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Move());
tx.attachments(JCP_PROGRAM_ID);
return tx.failsWith("the state is propagated");
});
@ -108,10 +93,10 @@ public class CommercialPaperTest {
@Test
public void simpleCPMoveSuccess() {
ICommercialPaperState inState = getPaper();
ledger(ledgerServices, DUMMY_NOTARY, l -> {
ledger(ledgerServices, l -> {
l.transaction(tx -> {
tx.input(JCP_PROGRAM_ID, inState);
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Move());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Move());
tx.attachments(JCP_PROGRAM_ID);
tx.failsWith("the state is propagated");
tx.output(JCP_PROGRAM_ID, "alice's paper", inState.withOwner(ALICE.getParty()));
@ -125,17 +110,17 @@ public class CommercialPaperTest {
// DOCSTART 6
@Test
public void simpleIssuanceWithTweak() {
ledger(ledgerServices, DUMMY_NOTARY, l -> {
ledger(ledgerServices, l -> {
l.transaction(tx -> {
tx.output(JCP_PROGRAM_ID, "paper", getPaper()); // Some CP is issued onto the ledger by MegaCorp.
tx.attachments(JCP_PROGRAM_ID);
tx.tweak(tw -> {
tw.command(BIG_CORP_PUBKEY, new JavaCommercialPaper.Commands.Issue());
tw.timeWindow(getTEST_TX_TIME());
tw.timeWindow(TEST_TX_TIME);
return tw.failsWith("output states are issued by a command signer");
});
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Issue());
tx.timeWindow(getTEST_TX_TIME());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Issue());
tx.timeWindow(TEST_TX_TIME);
return tx.verifies();
});
return Unit.INSTANCE;
@ -146,16 +131,16 @@ public class CommercialPaperTest {
// DOCSTART 7
@Test
public void simpleIssuanceWithTweakTopLevelTx() {
transaction(ledgerServices, DUMMY_NOTARY, tx -> {
transaction(ledgerServices, tx -> {
tx.output(JCP_PROGRAM_ID, "paper", getPaper()); // Some CP is issued onto the ledger by MegaCorp.
tx.attachments(JCP_PROGRAM_ID);
tx.tweak(tw -> {
tw.command(BIG_CORP_PUBKEY, new JavaCommercialPaper.Commands.Issue());
tw.timeWindow(getTEST_TX_TIME());
tw.timeWindow(TEST_TX_TIME);
return tw.failsWith("output states are issued by a command signer");
});
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Issue());
tx.timeWindow(getTEST_TX_TIME());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Issue());
tx.timeWindow(TEST_TX_TIME);
return tx.verifies();
});
}
@ -165,7 +150,7 @@ public class CommercialPaperTest {
@Test
public void chainCommercialPaper() {
PartyAndReference issuer = MEGA_CORP.ref(defaultRef);
ledger(ledgerServices, DUMMY_NOTARY, l -> {
ledger(ledgerServices, l -> {
l.unverifiedTransaction(tx -> {
tx.output(Cash.PROGRAM_ID, "alice's $900",
new Cash.State(issuedBy(DOLLARS(900), issuer), ALICE.getParty()));
@ -176,9 +161,9 @@ public class CommercialPaperTest {
// Some CP is issued onto the ledger by MegaCorp.
l.transaction("Issuance", tx -> {
tx.output(JCP_PROGRAM_ID, "paper", getPaper());
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Issue());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Issue());
tx.attachments(JCP_PROGRAM_ID);
tx.timeWindow(getTEST_TX_TIME());
tx.timeWindow(TEST_TX_TIME);
return tx.verifies();
});
@ -188,8 +173,8 @@ public class CommercialPaperTest {
tx.output(Cash.PROGRAM_ID, "borrowed $900", new Cash.State(issuedBy(DOLLARS(900), issuer), MEGA_CORP.getParty()));
JavaCommercialPaper.State inputPaper = l.retrieveOutput(JavaCommercialPaper.State.class, "paper");
tx.output(JCP_PROGRAM_ID, "alice's paper", inputPaper.withOwner(ALICE.getParty()));
tx.command(ALICE.getPubkey(), new Cash.Commands.Move());
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Move());
tx.command(ALICE.getPublicKey(), new Cash.Commands.Move());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Move());
return tx.verifies();
});
return Unit.INSTANCE;
@ -201,7 +186,7 @@ public class CommercialPaperTest {
@Test
public void chainCommercialPaperDoubleSpend() {
PartyAndReference issuer = MEGA_CORP.ref(defaultRef);
ledger(ledgerServices, DUMMY_NOTARY, l -> {
ledger(ledgerServices, l -> {
l.unverifiedTransaction(tx -> {
tx.output(Cash.PROGRAM_ID, "alice's $900",
new Cash.State(issuedBy(DOLLARS(900), issuer), ALICE.getParty()));
@ -212,9 +197,9 @@ public class CommercialPaperTest {
// Some CP is issued onto the ledger by MegaCorp.
l.transaction("Issuance", tx -> {
tx.output(Cash.PROGRAM_ID, "paper", getPaper());
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Issue());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Issue());
tx.attachments(JCP_PROGRAM_ID);
tx.timeWindow(getTEST_TX_TIME());
tx.timeWindow(TEST_TX_TIME);
return tx.verifies();
});
@ -224,8 +209,8 @@ public class CommercialPaperTest {
tx.output(Cash.PROGRAM_ID, "borrowed $900", new Cash.State(issuedBy(DOLLARS(900), issuer), MEGA_CORP.getParty()));
JavaCommercialPaper.State inputPaper = l.retrieveOutput(JavaCommercialPaper.State.class, "paper");
tx.output(JCP_PROGRAM_ID, "alice's paper", inputPaper.withOwner(ALICE.getParty()));
tx.command(ALICE.getPubkey(), new Cash.Commands.Move());
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Move());
tx.command(ALICE.getPublicKey(), new Cash.Commands.Move());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Move());
return tx.verifies();
});
@ -234,7 +219,7 @@ public class CommercialPaperTest {
JavaCommercialPaper.State inputPaper = l.retrieveOutput(JavaCommercialPaper.State.class, "paper");
// We moved a paper to other pubkey.
tx.output(JCP_PROGRAM_ID, "bob's paper", inputPaper.withOwner(BOB.getParty()));
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Move());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Move());
return tx.verifies();
});
l.fails();
@ -247,7 +232,7 @@ public class CommercialPaperTest {
@Test
public void chainCommercialPaperTweak() {
PartyAndReference issuer = MEGA_CORP.ref(defaultRef);
ledger(ledgerServices, DUMMY_NOTARY, l -> {
ledger(ledgerServices, l -> {
l.unverifiedTransaction(tx -> {
tx.output(Cash.PROGRAM_ID, "alice's $900",
new Cash.State(issuedBy(DOLLARS(900), issuer), ALICE.getParty()));
@ -258,9 +243,9 @@ public class CommercialPaperTest {
// Some CP is issued onto the ledger by MegaCorp.
l.transaction("Issuance", tx -> {
tx.output(Cash.PROGRAM_ID, "paper", getPaper());
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Issue());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Issue());
tx.attachments(JCP_PROGRAM_ID);
tx.timeWindow(getTEST_TX_TIME());
tx.timeWindow(TEST_TX_TIME);
return tx.verifies();
});
@ -270,8 +255,8 @@ public class CommercialPaperTest {
tx.output(Cash.PROGRAM_ID, "borrowed $900", new Cash.State(issuedBy(DOLLARS(900), issuer), MEGA_CORP.getParty()));
JavaCommercialPaper.State inputPaper = l.retrieveOutput(JavaCommercialPaper.State.class, "paper");
tx.output(JCP_PROGRAM_ID, "alice's paper", inputPaper.withOwner(ALICE.getParty()));
tx.command(ALICE.getPubkey(), new Cash.Commands.Move());
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Move());
tx.command(ALICE.getPublicKey(), new Cash.Commands.Move());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Move());
return tx.verifies();
});
@ -281,7 +266,7 @@ public class CommercialPaperTest {
JavaCommercialPaper.State inputPaper = l.retrieveOutput(JavaCommercialPaper.State.class, "paper");
// We moved a paper to another pubkey.
tx.output(JCP_PROGRAM_ID, "bob's paper", inputPaper.withOwner(BOB.getParty()));
tx.command(MEGA_CORP.getPubkey(), new JavaCommercialPaper.Commands.Move());
tx.command(MEGA_CORP.getPublicKey(), new JavaCommercialPaper.Commands.Move());
return tx.verifies();
});
lw.fails();

13
docs/source/example-code/src/main/java/net/corda/docs/java/tutorial/twoparty/IOUContract.java
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@ -1,20 +1,25 @@
package net.corda.docs.java.tutorial.twoparty;
// DOCSTART 01
import com.google.common.collect.ImmutableList;
import net.corda.core.contracts.CommandData;
import net.corda.core.contracts.CommandWithParties;
import net.corda.core.contracts.Contract;
import net.corda.core.identity.Party;
import net.corda.core.transactions.LedgerTransaction;
// DOCSTART 01
// Add these imports:
import com.google.common.collect.ImmutableList;
import net.corda.core.contracts.CommandWithParties;
import net.corda.core.identity.Party;
import java.security.PublicKey;
import java.util.List;
import static net.corda.core.contracts.ContractsDSL.requireSingleCommand;
import static net.corda.core.contracts.ContractsDSL.requireThat;
// Replace TemplateContract's definition with:
public class IOUContract implements Contract {
public static final String IOU_CONTRACT_ID = "com.template.IOUContract";
// Our Create command.
public static class Create implements CommandData {
}

5
docs/source/example-code/src/main/java/net/corda/docs/java/tutorial/twoparty/IOUFlow.java
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@ -45,15 +45,14 @@ public class IOUFlow extends FlowLogic<Void> {
// We retrieve the notary identity from the network map.
final Party notary = getServiceHub().getNetworkMapCache().getNotaryIdentities().get(0);
// DOCSTART 02
// We create a transaction builder.
final TransactionBuilder txBuilder = new TransactionBuilder();
txBuilder.setNotary(notary);
// DOCSTART 02
// We create the transaction components.
IOUState outputState = new IOUState(iouValue, getOurIdentity(), otherParty);
String outputContract = IOUContract.class.getName();
StateAndContract outputContractAndState = new StateAndContract(outputState, outputContract);
StateAndContract outputContractAndState = new StateAndContract(outputState, IOUContract.IOU_CONTRACT_ID);
List<PublicKey> requiredSigners = ImmutableList.of(getOurIdentity().getOwningKey(), otherParty.getOwningKey());
Command cmd = new Command<>(new IOUContract.Create(), requiredSigners);

4
docs/source/example-code/src/main/java/net/corda/docs/java/tutorial/twoparty/IOUFlowResponder.java
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@ -1,16 +1,16 @@
package net.corda.docs.java.tutorial.twoparty;
// DOCSTART 01
// Add these imports:
import co.paralleluniverse.fibers.Suspendable;
import net.corda.core.contracts.ContractState;
import net.corda.core.flows.*;
import net.corda.core.transactions.SignedTransaction;
import net.corda.core.utilities.ProgressTracker;
import net.corda.docs.java.tutorial.helloworld.IOUFlow;
import net.corda.docs.java.tutorial.helloworld.IOUState;
import static net.corda.core.contracts.ContractsDSL.requireThat;
// Define IOUFlowResponder:
@InitiatedBy(IOUFlow.class)
public class IOUFlowResponder extends FlowLogic<Void> {
private final FlowSession otherPartySession;

7
docs/source/example-code/src/main/kotlin/net/corda/docs/tutorial/helloworld/flow.kt
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@ -1,16 +1,19 @@
package net.corda.docs.tutorial.helloworld
// DOCSTART 01
import co.paralleluniverse.fibers.Suspendable
import net.corda.core.contracts.Command
import net.corda.core.flows.FinalityFlow
import net.corda.core.flows.FlowLogic
import net.corda.core.flows.InitiatingFlow
import net.corda.core.flows.StartableByRPC
// DOCSTART 01
// Add these imports:
import net.corda.core.contracts.Command
import net.corda.core.identity.Party
import net.corda.core.transactions.TransactionBuilder
import net.corda.core.utilities.ProgressTracker
// Replace TemplateFlow's definition with:
@InitiatingFlow
@StartableByRPC
class IOUFlow(val iouValue: Int,

5
docs/source/example-code/src/main/kotlin/net/corda/docs/tutorial/helloworld/state.kt
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@ -1,9 +1,12 @@
package net.corda.docs.tutorial.helloworld
// DOCSTART 01
import net.corda.core.contracts.ContractState
// DOCSTART 01
// Add these imports:
import net.corda.core.identity.Party
// Replace TemplateState's definition with:
class IOUState(val value: Int,
val lender: Party,
val borrower: Party) : ContractState {

2
docs/source/example-code/src/main/kotlin/net/corda/docs/tutorial/mocknetwork/TutorialMockNetwork.kt
View File

@ -67,7 +67,7 @@ class TutorialMockNetwork {
@Before
fun setUp() {
mockNet = MockNetwork()
mockNet = MockNetwork(emptyList())
nodeA = mockNet.createPartyNode()
nodeB = mockNet.createPartyNode()
nodeB.registerInitiatedFlow(FlowB::class.java)

7
docs/source/example-code/src/main/kotlin/net/corda/docs/tutorial/testdsl/TutorialTestDSL.kt
View File

@ -14,6 +14,7 @@ import net.corda.finance.contracts.asset.CASH
import net.corda.finance.contracts.asset.Cash
import net.corda.node.services.api.IdentityServiceInternal
import net.corda.testing.*
import net.corda.testing.internal.rigorousMock
import net.corda.testing.node.MockServices
import net.corda.testing.node.ledger
import net.corda.testing.node.transaction
@ -28,15 +29,15 @@ class CommercialPaperTest {
val DUMMY_NOTARY = TestIdentity(DUMMY_NOTARY_NAME, 20).party
val megaCorp = TestIdentity(CordaX500Name("MegaCorp", "London", "GB"))
val ALICE get() = alice.party
val ALICE_PUBKEY get() = alice.pubkey
val ALICE_PUBKEY get() = alice.publicKey
val MEGA_CORP get() = megaCorp.party
val MEGA_CORP_PUBKEY get() = megaCorp.pubkey
val MEGA_CORP_PUBKEY get() = megaCorp.publicKey
}
@Rule
@JvmField
val testSerialization = SerializationEnvironmentRule()
private val ledgerServices = MockServices(rigorousMock<IdentityServiceInternal>().also {
private val ledgerServices = MockServices(emptyList(), rigorousMock<IdentityServiceInternal>().also {
doReturn(MEGA_CORP).whenever(it).partyFromKey(MEGA_CORP_PUBKEY)
doReturn(null).whenever(it).partyFromKey(BIG_CORP_PUBKEY)
doReturn(null).whenever(it).partyFromKey(ALICE_PUBKEY)

12
docs/source/example-code/src/main/kotlin/net/corda/docs/tutorial/twoparty/contract.kt
View File

@ -1,12 +1,16 @@
package net.corda.docs.tutorial.twoparty
// DOCSTART 01
import net.corda.core.contracts.CommandData
import net.corda.core.contracts.Contract
import net.corda.core.contracts.requireSingleCommand
import net.corda.core.contracts.requireThat
import net.corda.core.transactions.LedgerTransaction
// DOCSTART 01
// Add these imports:
import net.corda.core.contracts.*
// Replace IOUContract's contract ID and definition with:
val IOU_CONTRACT_ID = "com.template.IOUContract"
class IOUContract : Contract {
// Our Create command.
class Create : CommandData
@ -20,7 +24,7 @@ class IOUContract : Contract {
"There should be one output state of type IOUState." using (tx.outputs.size == 1)
// IOU-specific constraints.
val out = tx.outputsOfType<net.corda.docs.tutorial.helloworld.IOUState>().single()
val out = tx.outputsOfType<IOUState>().single()
"The IOU's value must be non-negative." using (out.value > 0)
"The lender and the borrower cannot be the same entity." using (out.lender != out.borrower)

17
docs/source/example-code/src/main/kotlin/net/corda/docs/tutorial/twoparty/flow.kt
View File

@ -6,9 +6,17 @@ import net.corda.core.contracts.Command
import net.corda.core.contracts.StateAndContract
import net.corda.core.flows.*
import net.corda.core.identity.Party
import net.corda.core.messaging.CordaRPCOps
import net.corda.core.serialization.SerializationWhitelist
import net.corda.core.transactions.TransactionBuilder
import net.corda.core.utilities.ProgressTracker
import kotlin.reflect.jvm.jvmName
import net.corda.webserver.services.WebServerPluginRegistry
import java.util.function.Function
import javax.ws.rs.GET
import javax.ws.rs.Path
import javax.ws.rs.Produces
import javax.ws.rs.core.MediaType
import javax.ws.rs.core.Response
// DOCEND 01
@InitiatingFlow
@ -25,14 +33,13 @@ class IOUFlow(val iouValue: Int,
// We retrieve the notary identity from the network map.
val notary = serviceHub.networkMapCache.notaryIdentities[0]
// We create a transaction builder
// DOCSTART 02
// We create a transaction builder.
val txBuilder = TransactionBuilder(notary = notary)
// DOCSTART 02
// We create the transaction components.
val outputState = IOUState(iouValue, ourIdentity, otherParty)
val outputContract = IOUContract::class.jvmName
val outputContractAndState = StateAndContract(outputState, outputContract)
val outputContractAndState = StateAndContract(outputState, IOU_CONTRACT_ID)
val cmd = Command(IOUContract.Create(), listOf(ourIdentity.owningKey, otherParty.owningKey))
// We add the items to the builder.

9
docs/source/example-code/src/main/kotlin/net/corda/docs/tutorial/twoparty/flowResponder.kt
View File

@ -1,16 +1,19 @@
package net.corda.docs.tutorial.twoparty
// DOCSTART 01
import co.paralleluniverse.fibers.Suspendable
import net.corda.core.contracts.requireThat
import net.corda.core.flows.FlowLogic
import net.corda.core.flows.FlowSession
import net.corda.core.flows.InitiatedBy
import net.corda.core.flows.SignTransactionFlow
import net.corda.core.transactions.SignedTransaction
import net.corda.docs.tutorial.helloworld.IOUFlow
import net.corda.docs.tutorial.helloworld.IOUState
// DOCSTART 01
// Add these imports:
import net.corda.core.contracts.requireThat
import net.corda.core.transactions.SignedTransaction
// Define IOUFlowResponder:
@InitiatedBy(IOUFlow::class)
class IOUFlowResponder(val otherPartySession: FlowSession) : FlowLogic<Unit>() {
@Suspendable