Update examples for julc 0.1.0-pre15 - #2
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- Bump julc to 0.1.0-pre15 and apply the com.bloxbean.cardano.julc Gradle plugin - OneShotMintPolicy: derive the canonical token name via ValuesLib.uniqueTokenName(seedRef) and require the mint to contain exactly that one token at quantity 1, not just the seed UTxO - OneShotMintDemo: mint the matching canonical name off-chain using blake2b_256(ValuesLib.refBytes(seedRef)) - UVerifyV1 / UVerifyFeePot: replace nested ByteStringLib.append chains with variadic Builtins.concat - Auction/Bet demos: drop ignoreScriptCostEvaluationError now that cost evaluation succeeds - Tests: cover canonical token name and wrong-token-name rejection - Docs: document toPlutusData(), Builtins.concat, refBytes and uniqueTokenName; replace the stale integerToByteString JVM/UPLC divergence note with the current bounds contract Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Brings the examples up to date with julc
0.1.0-pre15and tightens the one-shot minting policy.Build
julcVersionto0.1.0-pre15and apply thecom.bloxbean.cardano.julcGradle plugin.julc-vm-truffleandjulc-vm-scalustest dependencies.One-shot minting
OneShotMintPolicypreviously only checked that the seed UTxO was consumed, which let a transaction mint any token name — and any quantity — under the policy. It now also derives the canonical token name viaValuesLib.uniqueTokenName(seedRef)and requires the mint field to contain exactly that one asset at quantity 1.OneShotMintDemomints the matching name off-chain usingblake2b_256(ValuesLib.refBytes(seedRef)), so the two sides agree end to end.Tests cover the canonical name and add a wrong-token-name rejection case.
UVerify
Replace nested
ByteStringLib.appendchains with variadicBuiltins.concatinUVerifyV1.certificateToByteArrayandUVerifyFeePot.buildExpectedMessage.Demos
Drop
ignoreScriptCostEvaluationError(true)from the auction and bet demos now that cost evaluation succeeds.MintingDemohas itswithTxEvaluatorcall commented out.Docs
Document
toPlutusData(),Builtins.concat,ValuesLib.refBytesandValuesLib.uniqueTokenNamein the best-practices guide, and replace the staleintegerToByteStringJVM-vs-UPLC divergence note with the current bounds contract (JVM and UPLC now share the same behaviour).Verification
./gradlew compileJava compileTestJavapasses. Tests were not run as part of preparing this PR.🤖 Generated with Claude Code