mirror of
https://github.com/status-im/nim-ethash.git
synced 2025-02-22 08:48:13 +00:00
40 lines
1.5 KiB
Nim
40 lines
1.5 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, keccak_tiny, times, strutils
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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[Hash[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 = cpuTime()
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let dag = calc_dataset(full_size, cache)
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echo " Done, time taken: ", $(cpuTime() - start), " seconds"
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echo "\nStarting mining"
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start = cpuTime()
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let mined_nonce = mine(full_size, dag, header, difficulty)
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echo " Done, time taken: ", $(cpuTime() - start), " seconds"
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check: mined_nonce == 0x495732e0ed7a801c'u64
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# test "1st test from official ethereum/tests repo":
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# # https://github.com/ethereum/tests/blob/b6aa0947a8e20f4140dd2647882791be6ceb2ac5/PoWTests/ethash_tests.json
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# let
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# seed = Hash[256]()
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# cache = mkcache(16776896, seed)
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# check: $keccak_256(cache) == toUpperAscii "35ded12eecf2ce2e8da2e15c06d463aae9b84cb2530a00b932e4bbc484cde353" |