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CHANGELOG.md

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Changelog

0.8.4 (2025-01-05)

Added

  • CIP-117: fail on non-unit results in Plutus V3 scripts

Fixed

  • OptimizingSirToUplcLowering threw an exception when generateErrorTraces was enabled

0.8.3 (2024-12-20)

Added

  • customizable UPLC Inliner optimization pass
  • Prelude List functions: single, cons, length, map2
  • experimental Groth16 SNARK implementation
  • Data toCbor and fromCbor extensions
  • add generated ScalaDocs to website

Changed

  • code is updated to Scala 3.5+
  • use latest dependencies

Fixed

  • BLS12-381 G1/G2 compressed zero points encoding

0.8.2 (2024-10-11)

Nothing changed, just pushed the wrong commit under 0.8.1.

0.8.1 (2024-10-11)

Fixed

  • cost model for integerToBytestring and bytestringToInteger
  • flat encoding of SIR Data was wrong for Map and List types

0.8.0 (2024-10-03)

Added

  • initial Plutus V3 support:
    • all builtins work on JVM
    • V3 ScriptContext etc for script compilation
    • V3 script evaluation and cost calculation
  • Cardano Client Lib can use ScalusTransactionEvaluator for V3 script evaluation
  • improved deriveEnum for ToData and FromData (see Tutorial)

Changed

  • few renames and API changes in scalus-bloxbean-cardano-client-lib Interop module

0.7.2 (2024-08-11)

Added

  • VM.evaluateDebug with useful info about the execution: budget, costs, builtins, logs
  • eval, evalDebug, show, showHightlighted extensions for Term and Program
  • toUplcOptimized extension for SIR to generate optimized UPLC code
  • ? tracing operator and log function similar to Aiken's ? operator

Changed

  • don't remove top-level eta-expansions in compile method

Fixed

  • fieldAsData/field didn't work for aliaed types
  • small fix in OptimizingSirToUplcLowering with tracing errors
  • multiple inner matches in pattern matching code generation

0.7.1 (2024-08-04)

Added

  • implemented all Plutus V1/V2 builtins on JVM and JavaScript platforms
  • passing all Plutus Conformance Tests on JVM and JavaScript platforms
  • OptimizingSirToUplcLowering SIR to UPLC lowering with built-in optimizations
  • PlutusV3 constr/case support
  • Data.to* extension methods

Changed

  • speedup UplcParser by 10x

Fixed

  • use Java 11 on Github CI and release builds

0.7.0 (2024-05-29)

Scalus CEK and cost calculation implementation is now feature complete.

We were able to validate transactions from whole Cardano Epoch 484 using Scalus and Cardano Client Lib.

Added

  • ScalusTransactionEvaluator - Cardano Client Lib (CCL) TransactionEvaluator implementation. You can now use Scalus to evaluate scripts and their costs off-chain during transaction building.
  • SIR and UPLC optimizations: RemoveRecursivity, EtaReduce
  • evaluateScriptRestricting mode
  • Advanced documentation
  • Data JSON codec

Changed

  • optimized From/ToData instances to generate less code
  • PlutusV1Params, PlutusV2Params are now classes with Long fields
  • Removed type parameter from Interval
  • bytesToHex uses lowercase hex characters

Fixed

  • memoryUsageInteger was wrong in certain cases
  • sliceByteString wrong order of parameters
  • Data CBOR encoding of large integers must be chunked by 64 byte chunks
  • typo in ConstAboveDiagonal cost calculation implementation

0.6.1 (2024-04-18)

Added

  • compile ==, != operators as Plutus builtins for Boolean, ByteString, String and Data types
  • ++ operator, size and length functions for ByteString

Fixed

  • wrong ConstAboveDiagonal cost calculation used in division

0.6.0 (2024-04-05)

Added

  • fast debruijned CEK machine implementation
  • CEK machine benchmarking, runs on par with high performance Haskell implementation
  • CEK machine execution budget calculation
  • cost model for CEK machine loading from Cardano CLI and Blockfrost API JSONs
  • updated to Scala 3.3.3
  • updated to Scala.js 1.16.0, 3x reduction in JS bundle size

Changed

  • lots of internal refactoring

0.5.0 (2024-02-17)

Added

  • better error messages in the compiler
  • Scalus Intermediate Representation (SIR) now has a version number (requires recompilation of existing SIR)
  • SIR and UPLC pretty printers can print normal and syntax highlighted code using XTerm colors
  • UPLC pretty printer outputs a better indented code
  • added Blake2b 224 builtin implementation on JVM
  • updated dependencies: Scala 3.3.2
  • use uplc cli from Plutus 1.15.0.1

Changed

  • moved scalus.uplc.Data to scalus.builtin.Data
  • renamed scalus.builtins to scalus.builtin

Fixed

  • Plutus Data Map can have duplicate keys; fixed Data CBOR codec to handle this case.