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Merged in aslemmer-fix-generated-exit-signing (pull request #342)

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Aslemmer fix generated exit signing
This commit is contained in:
Andras Slemmer 2016-09-08 10:56:18 +01:00
commit 5a2d1e0979
4 changed files with 9 additions and 4 deletions
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1
contracts/src/main/kotlin/com/r3corda/contracts/asset/Obligation.kt
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@ -453,6 +453,7 @@ class Obligation<P> : Contract {
assetStates: List<StateAndRef<Obligation.State<P>>>): PublicKey
= Clauses.ConserveAmount<P>().generateExit(tx, amountIssued, assetStates,
deriveState = { state, amount, owner -> state.copy(data = state.data.move(amount, owner)) },
generateMoveCommand = { -> Commands.Move() },
generateExitCommand = { amount -> Commands.Exit(amount) }
)

1
contracts/src/main/kotlin/com/r3corda/contracts/asset/OnLedgerAsset.kt
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@ -43,6 +43,7 @@ abstract class OnLedgerAsset<T : Any, C: CommandData, S : FungibleAsset<T>> : Co
assetStates: List<StateAndRef<S>>): PublicKey
= conserveClause.generateExit(tx, amountIssued, assetStates,
deriveState = { state, amount, owner -> deriveState(state, amount, owner) },
generateMoveCommand = { -> generateMoveCommand() },
generateExitCommand = { amount -> generateExitCommand(amount) }
)

4
contracts/src/main/kotlin/com/r3corda/contracts/clause/AbstractConserveAmount.kt
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@ -53,6 +53,7 @@ abstract class AbstractConserveAmount<S : FungibleAsset<T>, C : CommandData, T :
fun generateExit(tx: TransactionBuilder, amountIssued: Amount<Issued<T>>,
assetStates: List<StateAndRef<S>>,
deriveState: (TransactionState<S>, Amount<Issued<T>>, PublicKey) -> TransactionState<S>,
generateMoveCommand: () -> CommandData,
generateExitCommand: (Amount<Issued<T>>) -> CommandData): PublicKey {
val owner = assetStates.map { it.state.data.owner }.toSet().single()
val currency = amountIssued.token.product
@ -79,7 +80,8 @@ abstract class AbstractConserveAmount<S : FungibleAsset<T>, C : CommandData, T :
for (state in gathered) tx.addInputState(state)
for (state in outputs) tx.addOutputState(state)
tx.addCommand(generateExitCommand(amountIssued), amountIssued.token.issuer.party.owningKey)
tx.addCommand(generateMoveCommand(), gathered.map { it.state.data.owner })
tx.addCommand(generateExitCommand(amountIssued), gathered.flatMap { it.state.data.exitKeys })
return amountIssued.token.issuer.party.owningKey
}

7
contracts/src/test/kotlin/com/r3corda/contracts/asset/CashTests.kt
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@ -442,9 +442,10 @@ class CashTests {
assertEquals(WALLET[0].ref, wtx.inputs[0])
assertEquals(0, wtx.outputs.size)
val expected = Cash.Commands.Exit(Amount(10000, Issued(MEGA_CORP.ref(1), USD)))
val actual = wtx.commands.single().value
assertEquals(expected, actual)
val expectedMove = Cash.Commands.Move()
val expectedExit = Cash.Commands.Exit(Amount(10000, Issued(MEGA_CORP.ref(1), USD)))
assertEquals(listOf(expectedMove, expectedExit), wtx.commands.map { it.value })
}
/**