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fix difficulty test

This commit is contained in:
jangko 2023-05-22 15:12:50 +07:00 committed by zah
parent 93ff745421
commit 27393e9420
12 changed files with 67 additions and 155924 deletions
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6
nimbus/common/chain_config.nim
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@ -361,7 +361,7 @@ proc chainConfigForNetwork*(id: NetworkId): ChainConfig =
arrowGlacierBlock: some(13_773_000.toBlockNumber), # 2021-12-09 19:55:23 UTC
grayGlacierBlock: some(15_050_000.toBlockNumber), # 2022-06-30 10:54:04 UTC
terminalTotalDifficulty: some(mainNetTTD),
shanghaiTime: some(1681338455.fromUnix)
shanghaiTime: some(1_681_338_455.fromUnix)
)
of RopstenNet:
ChainConfig(
@ -422,7 +422,7 @@ proc chainConfigForNetwork*(id: NetworkId): ChainConfig =
berlinBlock: some(4_460_644.toBlockNumber), # 2021-03-18 05:29:51 UTC
londonBlock: some(5_062_605.toBlockNumber), # 2021-07-01 03:19:39 UTC
terminalTotalDifficulty: some(10790000.u256),
shanghaiTime: some(1678832736.fromUnix)
shanghaiTime: some(1_678_832_736.fromUnix)
)
of SepoliaNet:
ChainConfig(
@ -441,7 +441,7 @@ proc chainConfigForNetwork*(id: NetworkId): ChainConfig =
muirGlacierBlock: some(0.toBlockNumber),
berlinBlock: some(0.toBlockNumber),
londonBlock: some(0.toBlockNumber),
shanghaiTime: some(1677557088.fromUnix)
shanghaiTime: some(1_677_557_088.fromUnix)
)
else:
ChainConfig()

114
tests/fixtures/DifficultyTests/difficulty.json vendored
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@ -1,114 +0,0 @@
{
"preExpDiffIncrease" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "43",
"currentBlockNumber" : "42",
"currentDifficulty" : "1000488",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"preExpDiffDecrease" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "60",
"currentBlockNumber" : "42",
"currentDifficulty" : "999512",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffAtBlock200000Increase" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "43",
"currentBlockNumber" : "200000",
"currentDifficulty" : "1000489",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffAtBlock200000Decrease" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "60",
"currentBlockNumber" : "200000",
"currentDifficulty" : "999513",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffPostBlock200000Increase" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "43",
"currentBlockNumber" : "200001",
"currentDifficulty" : "1000489",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffPostBlock200000Decrease" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "60",
"currentBlockNumber" : "200001",
"currentDifficulty" : "999513",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffPreBlock300000Increase" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "43",
"currentBlockNumber" : "299999",
"currentDifficulty" : "1000489",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffPreBlock300000Decrease" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "60",
"currentBlockNumber" : "299999",
"currentDifficulty" : "999513",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffAtBlock300000Increase" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "43",
"currentBlockNumber" : "300000",
"currentDifficulty" : "1000490",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffAtBlock300000Decrease" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "60",
"currentBlockNumber" : "300000",
"currentDifficulty" : "999514",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffPostBlock300000Increase" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "43",
"currentBlockNumber" : "300001",
"currentDifficulty" : "1000490",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffPostBlock300000Decrease" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "60",
"currentBlockNumber" : "300001",
"currentDifficulty" : "999514",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffInAYearIncrease" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "43",
"currentBlockNumber" : "2302400",
"currentDifficulty" : "3097640",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"ExpDiffInAYearDecrease" : {
"parentTimestamp" : "42",
"parentDifficulty" : "1000000",
"currentTimestamp" : "60",
"currentBlockNumber" : "2302400",
"currentDifficulty" : "3097152",
"parentUncles" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
}
}

20289
tests/fixtures/DifficultyTests/difficultyByzantium.json vendored
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20289
tests/fixtures/DifficultyTests/difficultyConstantinople.json vendored
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18034
tests/fixtures/DifficultyTests/difficultyEIP2384.json vendored
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File diff suppressed because it is too large Load Diff

8002
tests/fixtures/DifficultyTests/difficultyEIP2384_random.json vendored
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8002
tests/fixtures/DifficultyTests/difficultyEIP2384_random_to20M.json vendored
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File diff suppressed because it is too large Load Diff

20289
tests/fixtures/DifficultyTests/difficultyFrontier.json vendored
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File diff suppressed because it is too large Load Diff

20289
tests/fixtures/DifficultyTests/difficultyHomestead.json vendored
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20289
tests/fixtures/DifficultyTests/difficultyMainNetwork.json vendored
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20289
tests/fixtures/DifficultyTests/difficultyRopsten.json vendored
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File diff suppressed because it is too large Load Diff

99
tests/test_difficulty.nim
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@ -5,7 +5,7 @@ import
../nimbus/core/pow/difficulty,
../nimbus/constants,
../nimbus/common/common,
test_helpers
./test_helpers
type
Tester = object
@ -18,6 +18,9 @@ type
Tests = Table[string, Tester]
const
inputPath = "tests" / "fixtures" / "eth_tests" / "DifficultyTests"
proc hexOrInt64(data: JsonNode, key: string, hex: static[bool]): int64 =
when hex:
getHexadecimalInt data[key]
@ -30,59 +33,85 @@ proc hexOrInt256(data: JsonNode, key: string, hex: static[bool]): Uint256 =
else:
parse(data[key].getStr, Uint256)
proc parseTests(name: string, hex: static[bool]): Tests =
let fileName = "tests" / "fixtures" / "DifficultyTests" / "difficulty" & name & ".json"
let fixtures = parseJSON(readFile(fileName))
proc parseHash(data: string): Hash256 =
case data
of "0x00": result = EMPTY_UNCLE_HASH
of "0x01": result.data[0] = 1.byte
else:
doAssert(false, "invalid uncle hash")
proc parseTests(testData: JSonNode): Tests =
const hex = true
result = initTable[string, Tester]()
var t: Tester
for title, data in fixtures:
for title, data in testData:
t.parentTimestamp = hexOrInt64(data, "parentTimestamp", hex)
t.parentDifficulty = hexOrInt256(data, "parentDifficulty", hex)
let pu = data.fields.getOrDefault("parentUncles")
if pu.isNil:
t.parentUncles = EMPTY_UNCLE_HASH
else:
hexToByteArray(pu.getStr, t.parentUncles.data)
t.parentUncles = parseHash(pu.getStr)
t.currentTimestamp = hexOrInt64(data, "currentTimestamp", hex)
t.currentBlockNumber = hexOrInt256(data, "currentBlockNumber", hex)
t.currentDifficulty = hexOrInt256(data, "currentDifficulty", hex)
result[title] = t
template runTests(name: string, hex: bool, calculator: typed) =
let testTitle = if name == "": "Difficulty" else: name
test testTitle:
let data = parseTests(name, hex)
for title, t in data:
var p = BlockHeader(
difficulty: t.parentDifficulty,
timestamp: times.fromUnix(t.parentTimestamp),
blockNumber: t.currentBlockNumber - 1,
ommersHash: t.parentUncles)
proc calculator(revision: string, timestamp: EthTime, header: BlockHeader): DifficultyInt =
case revision
of "Homestead": result = calcDifficultyHomestead(timestamp, header)
of "GrayGlacier": result = calcDifficultyGrayGlacier(timestamp, header)
of "Frontier": result = calcDifficultyFrontier(timestamp, header)
of "Berlin": result = calcDifficultyMuirGlacier(timestamp, header)
of "Constantinople": result = calcDifficultyConstantinople(timestamp, header)
of "Byzantium": result = calcDifficultyByzantium(timestamp, header)
of "ArrowGlacier": result = calcDifficultyArrowGlacier(timestamp, header)
else:
doAssert(false, "unknown revision: " & revision)
let diff = calculator(times.fromUnix(t.currentTimeStamp), p)
proc testFixture(fixtures: JsonNode, testStatusIMPL: var TestStatus) =
var fixture: JsonNode
for _, child in fixtures:
fixture = child
break
for revision, child in fixture:
if revision == "_info":
continue
let tests = parseTests(child)
for title, t in tests:
let p = BlockHeader(
difficulty : t.parentDifficulty,
timestamp : times.fromUnix(t.parentTimestamp),
blockNumber: t.currentBlockNumber - 1,
ommersHash : t.parentUncles
)
let timestamp = times.fromUnix(t.currentTimeStamp)
let diff = calculator(revision, timestamp, p)
check diff == t.currentDifficulty
template runTest() =
var filenames: seq[string] = @[]
for filename in walkDirRec(inputPath):
if not filename.endsWith(".json"):
continue
filenames.add filename
doAssert(filenames.len > 0)
for fname in filenames:
let filename = fname
test fname.subStr(inputPath.len + 1):
let fixtures = parseJson(readFile(filename))
testFixture(fixtures, testStatusIMPL)
proc difficultyMain*() =
let mainnetCom = CommonRef.new(nil, chainConfigForNetwork(MainNet))
func calcDifficultyMainNet(timeStamp: EthTime, parent: BlockHeader): DifficultyInt =
mainnetCom.calcDifficulty(timeStamp, parent)
let ropstenCom = CommonRef.new(nil, chainConfigForNetwork(RopstenNet))
func calcDifficultyRopsten(timeStamp: EthTime, parent: BlockHeader): DifficultyInt =
ropstenCom.calcDifficulty(timeStamp, parent)
suite "DifficultyTest":
runTests("EIP2384_random_to20M", true, calcDifficultyMuirGlacier)
runTests("EIP2384_random", true, calcDifficultyMuirGlacier)
runTests("EIP2384", true, calcDifficultyMuirGlacier)
runTests("Byzantium", true, calcDifficultyByzantium)
runTests("Constantinople", true, calcDifficultyConstantinople)
runTests("Homestead", true, calcDifficultyHomestead)
runTests("MainNetwork", true, calcDifficultyMainNet)
runTests("Frontier", true, calcDifficultyFrontier)
runTests("", false, calcDifficultyMainNet)
runTests("Ropsten", true, calcDifficultyRopsten)
runTest()
when isMainModule:
difficultyMain()