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Merge pull request #30 from LayerXcom/cross-chian-atomic-swap/use-tok…
…en-sdk Use Token SDK in a sample cordapp of cross-chain atomic swap
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13 changes: 13 additions & 0 deletions
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...c/main/kotlin/jp/co/layerx/cordage/crosschainatomicswap/contract/CorporateBondContract.kt
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| package jp.co.layerx.cordage.crosschainatomicswap.contract | ||
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| import com.r3.corda.lib.tokens.contracts.EvolvableTokenContract | ||
| import net.corda.core.contracts.Contract | ||
| import net.corda.core.transactions.LedgerTransaction | ||
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| class CorporateBondContract: EvolvableTokenContract(), Contract { | ||
| override fun additionalCreateChecks(tx: LedgerTransaction) { | ||
| } | ||
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| override fun additionalUpdateChecks(tx: LedgerTransaction) { | ||
| } | ||
| } |
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71 changes: 0 additions & 71 deletions
71
...pp/src/main/kotlin/jp/co/layerx/cordage/crosschainatomicswap/contract/SecurityContract.kt
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.../src/main/kotlin/jp/co/layerx/cordage/crosschainatomicswap/flow/CorporateBondIssueFlow.kt
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| package jp.co.layerx.cordage.crosschainatomicswap.flow | ||
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| import co.paralleluniverse.fibers.Suspendable | ||
| import com.r3.corda.lib.tokens.contracts.utilities.heldBy | ||
| import com.r3.corda.lib.tokens.contracts.utilities.issuedBy | ||
| import com.r3.corda.lib.tokens.workflows.flows.rpc.IssueTokens | ||
| import jp.co.layerx.cordage.crosschainatomicswap.state.CorporateBond | ||
| import net.corda.core.contracts.Amount | ||
| import net.corda.core.contracts.UniqueIdentifier | ||
| import net.corda.core.flows.FlowLogic | ||
| import net.corda.core.flows.StartableByRPC | ||
| import net.corda.core.identity.Party | ||
| import net.corda.core.node.services.queryBy | ||
| import net.corda.core.node.services.vault.QueryCriteria | ||
| import net.corda.core.transactions.SignedTransaction | ||
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| @StartableByRPC | ||
| class CorporateBondIssueFlow( | ||
| private val linearId: UniqueIdentifier, | ||
| private val quantity: Long, | ||
| private val holder: Party | ||
| ) : FlowLogic<SignedTransaction>() { | ||
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| @Suspendable | ||
| override fun call(): SignedTransaction { | ||
| val criteria = QueryCriteria.LinearStateQueryCriteria(linearId = listOf(linearId)) | ||
| val corporateBond = serviceHub.vaultService.queryBy<CorporateBond>(criteria).states.single().state.data | ||
| val tokenPointer = corporateBond.toPointer<CorporateBond>() | ||
| val corporateBondToken = Amount(quantity, tokenPointer issuedBy ourIdentity) heldBy holder | ||
| return subFlow(IssueTokens(listOf(corporateBondToken))) | ||
| } | ||
| } |
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28
...c/main/kotlin/jp/co/layerx/cordage/crosschainatomicswap/flow/CorporateBondRegisterFlow.kt
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| package jp.co.layerx.cordage.crosschainatomicswap.flow | ||
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| import co.paralleluniverse.fibers.Suspendable | ||
| import com.r3.corda.lib.tokens.workflows.flows.rpc.CreateEvolvableTokens | ||
| import jp.co.layerx.cordage.crosschainatomicswap.state.CorporateBond | ||
| import net.corda.core.contracts.TransactionState | ||
| import net.corda.core.flows.FlowLogic | ||
| import net.corda.core.flows.StartableByRPC | ||
| import net.corda.core.identity.Party | ||
| import net.corda.core.transactions.SignedTransaction | ||
| import java.math.BigDecimal | ||
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| @StartableByRPC | ||
| class CorporateBondRegisterFlow( | ||
| private val name: String, | ||
| private val unitPriceEther: BigDecimal, | ||
| private val observer: Party | ||
| ) : FlowLogic<SignedTransaction>() { | ||
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| @Suspendable | ||
| override fun call(): SignedTransaction { | ||
| val corporateBond = CorporateBond(name, unitPriceEther, listOf(ourIdentity)) | ||
| return subFlow(CreateEvolvableTokens(TransactionState( | ||
| data = corporateBond, | ||
| notary = serviceHub.networkMapCache.notaryIdentities.first() | ||
| ), listOf(observer))) | ||
| } | ||
| } |
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