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Costing, Sizing, new graph-based IR, optimized graph evaluation
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@aslesarenko aslesarenko released this 17 Jan 12:25
· 3864 commits to master since this release
v1.9.0
190349d

Major update with the following new features

  • Generation of graph-based IR from SigmaDsl specification (by Scala compiler plugin) (#336)
  • New script costing procedure using graph-based IR
  • Translation of ErgoTree to graph based IR for costing and optimized execution
  • New direct interpretation of graph IR without rewriting reductions (used both for execution of generated cost function and for computing Sigma protocol trees).
  • ErgoTree now supports sharing of sub-trees (to reduce serialized size)
  • Common Sub-expression Elimination optimization for compiled ErgoTrees
  • Lazy && and || logical operations
  • Lazy if branches
  • first-class lambdas, including nested lambdas
  • ZKProof {...} blocks to explicitly specify propositions with Zero Knowledge proving and verification (#236)
  • Extended ErgoTree serialization format to include header byte with version and other flags. (#284)
  • Constant segregation for optimized script execution(#264)
  • Changed HEIGHT type from Long to Int (#335)
  • Renamed Array to Coll type at script level (#299)
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