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fixes checkPOW of validateSeal

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andri lim 2019-09-21 03:26:33 +07:00 committed by zah
parent 7a07737855
commit 58a7d5af83
1 changed files with 28 additions and 11 deletions
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39
tests/test_blockchain_json.nim
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@ -314,20 +314,36 @@ proc getCache(blockNumber: uint64): seq[Hash512] =
shallowCopy(result, c) shallowCopy(result, c)
func cacheHash(x: openArray[Hash512]): Hash256 =
var ctx: keccak256
ctx.init()
for a in x:
ctx.update(a.data[0].unsafeAddr, uint(a.data.len))
ctx.finish result.data
ctx.clear()
proc checkPOW(blockNumber: Uint256, miningHash, mixHash: Hash256, nonce: BlockNonce, difficulty: DifficultyInt) = proc checkPOW(blockNumber: Uint256, miningHash, mixHash: Hash256, nonce: BlockNonce, difficulty: DifficultyInt) =
let blockNumber = blockNumber.truncate(uint64) let blockNumber = blockNumber.truncate(uint64)
let cache = blockNumber.getCache() let cache = blockNumber.getCache()
let y = uint64.fromBytesBE(nonce)
when false: let size = getDataSize(blockNumber)
# TODO: enable this when ethash#13 fixed let miningOutput = hashimotoLight(size, cache, miningHash, uint64.fromBytesBE(nonce))
let miningOutput = hashimotoLight(blockNumber, cache, miningHash, uint64.fromBytesBE(nonce)) if miningOutput.mixDigest != mixHash:
if miningOutput.mixDigest != mixHash: echo "actual: ", miningOutput.mixDigest
raise newException(ValidationError, "mixHash mismatch") echo "expected: ", mixHash
echo "blockNumber: ", blockNumber
echo "miningHash: ", miningHash
echo "nonce: ", nonce.toHex
echo "difficulty: ", difficulty
echo "size: ", size
echo "cache hash: ", cacheHash(cache)
raise newException(ValidationError, "mixHash mismatch")
let value = Uint256.fromBytesBE(miningOutput.value.data) let value = Uint256.fromBytesBE(miningOutput.value.data)
if value > Uint256.high div difficulty: if value > Uint256.high div difficulty:
raise newException(ValidationError, "mining difficulty error") raise newException(ValidationError, "mining difficulty error")
func toMiningHeader(header: BlockHeader): MiningHeader = func toMiningHeader(header: BlockHeader): MiningHeader =
result.parentHash = header.parentHash result.parentHash = header.parentHash
@ -502,7 +518,7 @@ proc applyFixtureBlockToChain(tester: var Tester, tb: TesterBlock,
chainDB: BaseChainDB, fork: Fork, checkSeal, validation = true): (PlainBlock, PlainBlock, Blob) = chainDB: BaseChainDB, fork: Fork, checkSeal, validation = true): (PlainBlock, PlainBlock, Blob) =
var var
preminedBlock = rlp.decode(tb.headerRLP, PlainBlock) preminedBlock = rlp.decode(tb.headerRLP, PlainBlock)
minedBlock = tester.importBlock(chainDB, preminedBlock, fork, validation) minedBlock = tester.importBlock(chainDB, preminedBlock, fork, checkSeal, validation)
rlpEncodedMinedBlock = rlp.encode(minedBlock) rlpEncodedMinedBlock = rlp.encode(minedBlock)
result = (preminedBlock, minedBlock, rlpEncodedMinedBlock) result = (preminedBlock, minedBlock, rlpEncodedMinedBlock)
@ -530,7 +546,7 @@ proc runTester(tester: var Tester, chainDB: BaseChainDB, testStatusIMPL: var Tes
try: try:
let fork = vmConfigToFork(tester.vmConfig, 1.u256) let fork = vmConfigToFork(tester.vmConfig, 1.u256)
let (_, _, _) = tester.applyFixtureBlockToChain(testerBlock, let (_, _, _) = tester.applyFixtureBlockToChain(testerBlock,
chainDB, fork, checkSeal, validation = true) chainDB, fork, checkSeal = false, validation = true)
except ValueError, ValidationError, BlockNotFound, MalformedRlpError, RlpTypeMismatch: except ValueError, ValidationError, BlockNotFound, MalformedRlpError, RlpTypeMismatch:
# failure is expected on this bad block # failure is expected on this bad block
noError = false noError = false
@ -579,6 +595,7 @@ proc testFixture(node: JsonNode, testStatusIMPL: var TestStatus, debugMode = fal
var fixtureTested = false var fixtureTested = false
for fixtureName, fixture in node: for fixtureName, fixture in node:
cacheByEpoch.clear()
inc fixtureIndex inc fixtureIndex
if specifyIndex > 0 and fixtureIndex != specifyIndex: if specifyIndex > 0 and fixtureIndex != specifyIndex:
continue continue