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Merge pull request #14 from status-im/fix_pow 

fixes related to nimcrypto breaking changes
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andri lim 2019-11-07 16:56:29 +07:00 committed by GitHub
parent 10c9ec2ff7 31ec33cf8e
commit 0b1a9969be
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1 changed files with 2 additions and 2 deletions
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src/proof_of_work.nim
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@ -116,14 +116,14 @@ proc calc_dataset_item*(cache: seq[MDigest[512]], i: Natural): MDigest[512] {.no
mix[0] = mix[0] xor i.uint32
else:
mix[high(mix)] = mix[high(mix)] xor i.uint32
result = keccak512.digest mix[]
result = keccak512.digest result.data
# FNV with a lots of random cache nodes based on i
for j in 0'u32 ..< DATASET_PARENTS:
let cacheIndex = fnv(i.uint32 xor j, mix[j mod r])
mix[] = zipMap(mix[], cache[int(cacheIndex mod n.uint32)].as_u32_words, fnv(x, y))
result = keccak512.digest mix[]
result = keccak512.digest result.data
when defined(openmp):
# Remove stacktraces when using OpenMP, heap alloc from strings will crash.