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[PT-167805291] Add opcode for ecrecover #613

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zxq9 merged 6 commits from PT-167805291-opcode-ecrecover into master 2019-08-15 04:02:46 +09:00
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@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [Unreleased] ## [Unreleased]
### Added ### Added
- New builtin function `Crypto.ecrecover_secp256k1: (hash, bytes(65)) => bytes(32)`
for recovering Ethereum address from message hash and signature.
### Changed ### Changed
- New syntax for tuple types. Now 0-tuple type is encoded as `unit` instead of `()` and - New syntax for tuple types. Now 0-tuple type is encoded as `unit` instead of `()` and
regular tuples are encoded by interspersing inner types with `*`, for instance `int * string`. regular tuples are encoded by interspersing inner types with `*`, for instance `int * string`.