def ecrecover_v

bend-collections-laws-crypto@1.0.0.0 · src/crypto/secp256k1/ecdsa.bend:355

import Base

355def ecrecover_v(+h: List<&2, U32>, +rs: List<&2, U32>, +v: U32, ok: Bool) -> Maybe<&2, List<&2, U32>>:
356  match ok:
357    case True{}: addr_word(recover(h, cat(rs, [U32.sub(v, 27)])))
358    case False{}: None{}