35 lines
1.3 KiB
Nim
35 lines
1.3 KiB
Nim
# Copyright (c) 2018 Status Research & Development GmbH
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# Distributed under the Apache v2 License (license terms are at http://www.apache.org/licenses/LICENSE-2.0).
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import ../src/ethash, unittest, times, strutils, nimcrypto
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suite "Test mining":
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test "Mining block 22":
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# https://github.com/ethereum/ethash/blob/f5f0a8b1962544d2b6f40df8e4b0d9a32faf8f8e/test/c/test.cpp#L603-L617
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# POC-9 testnet, epoch 0
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let
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blck = 22'u # block number
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cache = mkcache(get_cachesize(blck), get_seedhash(blck))
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header = cast[MDigest[256]](
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hexToByteArrayBE[32]("372eca2454ead349c3df0ab5d00b0b706b23e49d469387db91811cee0358fc6d")
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)
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difficulty = 132416'u64
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full_size = get_datasize(blck)
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echo "\nGenerating dataset"
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var start = epochTime()
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let dag = calc_dataset(full_size, cache)
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echo " Done, time taken: ", $(epochTime() - start), " seconds"
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echo "\nStarting mining"
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start = epochTime()
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let mined_nonce = mine(full_size, dag, header, difficulty)
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echo " Done, time taken: ", $(epochTime() - start), " seconds"
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echo "\nUnfortunately we can't really test Ethereum mining as multiple nonces are valid"
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echo "for a set of parameters, so we only test that there is no exception or out of memory"
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echo "\nThe nonce mined was:"
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echo mined_nonce
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