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https://github.com/logos-storage/logos-storage-nim.git
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2a1a548341
Signed-off-by: Chrysostomos Nanakos <chris@include.gr> Co-authored-by: Chrysostomos Nanakos <chris@include.gr> Co-authored-by: gmega <giuliano.mega@gmail.com>
20 lines
645 B
Nim
20 lines
645 B
Nim
import blscurve/bls_public_exports
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import pkg/constantine/hashes
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proc sha2_256hash_constantine(data: openArray[byte], output: var openArray[byte]) =
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# Using Constantine's SHA256 instead of mhash for optimal performance on 32-byte merkle node hashing
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# See: https://github.com/logos-storage/logos-storage-nim/issues/1162
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if len(output) > 0:
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let digest = hashes.sha256.hash(data)
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copyMem(addr output[0], addr digest[0], 32)
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const Sha2256MultiHash* = MHash(
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mcodec: multiCodec("sha2-256"),
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size: sha256.sizeDigest,
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coder: sha2_256hash_constantine,
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)
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const HashExts = [
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# override sha2-256 hash function
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Sha2256MultiHash
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]
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