518 lines
16 KiB
Nim
518 lines
16 KiB
Nim
# Nimbus
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# Copyright (c) 2018-2023 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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import
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std/[json, os, tables, strutils, options, times],
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unittest2,
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eth/rlp, eth/trie/trie_defs, eth/common/eth_types_rlp,
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stew/byteutils,
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./test_helpers, ./test_allowed_to_fail,
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../premix/parser, test_config,
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../nimbus/[vm_state, vm_types, errors, constants],
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../nimbus/db/accounts_cache,
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../nimbus/utils/[utils, debug],
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../nimbus/core/[executor, validate, pow/header],
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../stateless/[tree_from_witness, witness_types],
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../tools/common/helpers as chp,
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../tools/evmstate/helpers,
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../nimbus/common/common
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type
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SealEngine = enum
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NoProof
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Ethash
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TestBlock = object
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goodBlock: bool
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blockRLP : Blob
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header : BlockHeader
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body : BlockBody
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hasException: bool
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withdrawals: Option[seq[Withdrawal]]
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Tester = object
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lastBlockHash: Hash256
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genesisHeader: BlockHeader
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blocks : seq[TestBlock]
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sealEngine : Option[SealEngine]
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debugMode : bool
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trace : bool
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vmState : BaseVMState
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debugData : JsonNode
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network : string
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postStateHash: Hash256
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var pow = PowRef.new
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proc testFixture(node: JsonNode, testStatusIMPL: var TestStatus, debugMode = false, trace = false)
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func normalizeNumber(n: JsonNode): JsonNode =
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let str = n.getStr
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if str == "0x":
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result = newJString("0x0")
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elif str == "0x0":
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result = n
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elif str == "0x00":
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result = newJString("0x0")
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elif str == "0x0000000000000000000000000000000000000000":
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# withdrawalsAddressBounds contains this; it's meant as an address, not a number,
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# so it shouldn't be shortened to "0x0"
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result = n
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elif str[2] == '0':
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var i = 2
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while str[i] == '0':
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inc i
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result = newJString("0x" & str.substr(i))
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else:
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result = n
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func normalizeData(n: JsonNode): JsonNode =
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if n.getStr() == "":
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result = newJString("0x")
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else:
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result = n
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func normalizeBlockHeader(node: JsonNode): JsonNode =
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for k, v in node:
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case k
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of "bloom": node["logsBloom"] = v
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of "coinbase": node["miner"] = v
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of "uncleHash": node["sha3Uncles"] = v
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of "receiptTrie": node["receiptsRoot"] = v
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of "transactionsTrie": node["transactionsRoot"] = v
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of "number", "difficulty", "gasUsed",
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"gasLimit", "timestamp", "baseFeePerGas":
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node[k] = normalizeNumber(v)
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of "extraData":
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node[k] = normalizeData(v)
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else: discard
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result = node
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func normalizeWithdrawal(node: JsonNode): JsonNode =
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for k, v in node:
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case k
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of "address", "amount", "index", "validatorIndex":
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node[k] = normalizeNumber(v)
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else: discard
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result = node
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proc parseHeader(blockHeader: JsonNode, testStatusIMPL: var TestStatus): BlockHeader =
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result = normalizeBlockHeader(blockHeader).parseBlockHeader
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var blockHash: Hash256
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blockHeader.fromJson "hash", blockHash
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check blockHash == hash(result)
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proc parseWithdrawals(withdrawals: JsonNode): Option[seq[Withdrawal]] =
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case withdrawals.kind
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of JArray:
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var ws: seq[Withdrawal]
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for v in withdrawals:
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ws.add(parseWithdrawal(normalizeWithdrawal(v)))
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some(ws)
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else:
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none[seq[Withdrawal]]()
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proc parseBlocks(blocks: JsonNode): seq[TestBlock] =
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for fixture in blocks:
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var t: TestBlock
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t.withdrawals = none[seq[Withdrawal]]()
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for key, value in fixture:
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case key
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of "blockHeader":
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# header is absent in bad block
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t.goodBlock = true
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of "rlp":
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fixture.fromJson "rlp", t.blockRLP
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of "transactions", "uncleHeaders",
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"blocknumber", "chainname", "chainnetwork":
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discard
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of "transactionSequence":
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var noError = true
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for tx in value:
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let valid = tx["valid"].getStr == "true"
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noError = noError and valid
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doAssert(noError == false, "NOT A VALID TEST CASE")
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of "withdrawals":
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t.withdrawals = parseWithdrawals(value)
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else:
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doAssert("expectException" in key, key)
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t.hasException = true
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result.add t
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proc parseTester(fixture: JsonNode, testStatusIMPL: var TestStatus): Tester =
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result.blocks = parseBlocks(fixture["blocks"])
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fixture.fromJson "lastblockhash", result.lastBlockHash
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if "genesisRLP" in fixture:
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var genesisRLP: Blob
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fixture.fromJson "genesisRLP", genesisRLP
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result.genesisHeader = rlp.decode(genesisRLP, EthBlock).header
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else:
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result.genesisHeader = parseHeader(fixture["genesisBlockHeader"], testStatusIMPL)
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var goodBlock = true
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for h in result.blocks:
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goodBlock = goodBlock and h.goodBlock
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check goodBlock == false
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if "sealEngine" in fixture:
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result.sealEngine = some(parseEnum[SealEngine](fixture["sealEngine"].getStr))
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if "postStateHash" in fixture:
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result.postStateHash.data = hexToByteArray[32](fixture["postStateHash"].getStr)
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result.network = fixture["network"].getStr
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proc blockWitness(vmState: BaseVMState, chainDB: ChainDBRef) =
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let rootHash = vmState.stateDB.rootHash
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let witness = vmState.buildWitness()
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let fork = vmState.fork
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let flags = if fork >= FKSpurious: {wfEIP170} else: {}
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# build tree from witness
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var db = newMemoryDB()
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when defined(useInputStream):
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var input = memoryInput(witness)
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var tb = initTreeBuilder(input, db, flags)
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else:
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var tb = initTreeBuilder(witness, db, flags)
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let root = tb.buildTree()
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# compare the result
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if root != rootHash:
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raise newException(ValidationError, "Invalid trie generated from block witness")
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proc importBlock(tester: var Tester, com: CommonRef,
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tb: TestBlock, checkSeal, validation: bool) =
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let parentHeader = com.db.getBlockHeader(tb.header.parentHash)
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let td = some(com.db.getScore(tb.header.parentHash))
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com.hardForkTransition(tb.header.blockNumber, td, some(tb.header.timestamp))
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tester.vmState = BaseVMState.new(
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parentHeader,
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tb.header,
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com,
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(if tester.trace: {TracerFlags.EnableTracing} else: {}),
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)
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if validation:
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let rc = com.validateHeaderAndKinship(
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tb.header, tb.body, checkSeal, pow)
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if rc.isErr:
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raise newException(
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ValidationError, "validateHeaderAndKinship: " & rc.error)
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let res = tester.vmState.processBlockNotPoA(tb.header, tb.body)
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if res == ValidationResult.Error:
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if not (tb.hasException or (not tb.goodBlock)):
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raise newException(ValidationError, "process block validation")
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else:
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if tester.vmState.generateWitness():
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blockWitness(tester.vmState, com.db)
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discard com.db.persistHeaderToDb(tb.header,
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com.consensus == ConsensusType.POS)
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proc applyFixtureBlockToChain(tester: var Tester, tb: var TestBlock,
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com: CommonRef, checkSeal, validation: bool) =
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decompose(tb.blockRLP, tb.header, tb.body)
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tester.importBlock(com, tb, checkSeal, validation)
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func shouldCheckSeal(tester: Tester): bool =
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if tester.sealEngine.isSome:
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result = tester.sealEngine.get() != NoProof
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proc collectDebugData(tester: var Tester) =
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if tester.vmState.isNil:
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return
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let vmState = tester.vmState
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let tracingResult = if tester.trace: vmState.getTracingResult() else: %[]
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tester.debugData.add %{
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"blockNumber": %($vmState.blockNumber),
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"structLogs": tracingResult,
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}
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proc runTester(tester: var Tester, com: CommonRef, testStatusIMPL: var TestStatus) =
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discard com.db.persistHeaderToDb(tester.genesisHeader,
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com.consensus == ConsensusType.POS)
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check com.db.getCanonicalHead().blockHash == tester.genesisHeader.blockHash
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let checkSeal = tester.shouldCheckSeal
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if tester.debugMode:
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tester.debugData = newJArray()
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for idx, tb in tester.blocks:
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if tb.goodBlock:
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try:
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tester.applyFixtureBlockToChain(
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tester.blocks[idx], com, checkSeal, validation = false)
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# manually validating
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let res = com.validateHeaderAndKinship(
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tb.header, tb.body, checkSeal, pow)
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check res.isOk
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when defined(noisy):
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if res.isErr:
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debugEcho "blockNumber : ", tb.header.blockNumber
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debugEcho "fork : ", com.toHardFork(tb.header.blockNumber)
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debugEcho "error message: ", res.error
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debugEcho "consensusType: ", com.consensus
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except:
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debugEcho "FATAL ERROR(WE HAVE BUG): ", getCurrentExceptionMsg()
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else:
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var noError = true
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try:
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tester.applyFixtureBlockToChain(tester.blocks[idx],
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com, checkSeal, validation = true)
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except ValueError, ValidationError, BlockNotFound, RlpError:
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# failure is expected on this bad block
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check (tb.hasException or (not tb.goodBlock))
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noError = false
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if tester.debugMode:
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tester.debugData.add %{
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"exception": %($getCurrentException().name),
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"msg": %getCurrentExceptionMsg()
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}
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# Block should have caused a validation error
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check noError == false
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if tester.debugMode:
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tester.collectDebugData()
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proc debugDataFromAccountList(tester: Tester): JsonNode =
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let vmState = tester.vmState
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result = %{"debugData": tester.debugData}
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if not vmState.isNil:
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result["accounts"] = vmState.dumpAccounts()
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proc debugDataFromPostStateHash(tester: Tester): JsonNode =
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let vmState = tester.vmState
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%{
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"debugData": tester.debugData,
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"postStateHash": %($vmState.readOnlyStateDB.rootHash),
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"expectedStateHash": %($tester.postStateHash),
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"accounts": vmState.dumpAccounts()
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}
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proc dumpDebugData(tester: Tester, fixtureName: string, fixtureIndex: int, success: bool) =
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let debugData = if tester.postStateHash != Hash256():
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debugDataFromPostStateHash(tester)
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else:
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debugDataFromAccountList(tester)
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let status = if success: "_success" else: "_failed"
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writeFile("debug_" & fixtureName & "_" & $fixtureIndex & status & ".json", debugData.pretty())
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proc testFixture(node: JsonNode, testStatusIMPL: var TestStatus, debugMode = false, trace = false) =
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# 1 - mine the genesis block
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# 2 - loop over blocks:
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# - apply transactions
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# - mine block
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# 3 - diff resulting state with expected state
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# 4 - check that all previous blocks were valid
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let specifyIndex = test_config.getConfiguration().index.get(0)
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var fixtureIndex = 0
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var fixtureTested = false
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for fixtureName, fixture in node:
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inc fixtureIndex
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if specifyIndex > 0 and fixtureIndex != specifyIndex:
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continue
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var tester = parseTester(fixture, testStatusIMPL)
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let
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pruneTrie = test_config.getConfiguration().pruning
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memDB = newMemoryDb()
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stateDB = AccountsCache.init(memDB, emptyRlpHash, pruneTrie)
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config = getChainConfig(tester.network)
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com = CommonRef.new(memDB, config, pruneTrie)
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setupStateDB(fixture["pre"], stateDB)
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stateDB.persist()
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check stateDB.rootHash == tester.genesisHeader.stateRoot
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tester.debugMode = debugMode
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tester.trace = trace
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var success = true
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try:
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tester.runTester(com, testStatusIMPL)
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let header = com.db.getCanonicalHead()
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let lastBlockHash = header.blockHash
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check lastBlockHash == tester.lastBlockHash
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success = lastBlockHash == tester.lastBlockHash
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if tester.postStateHash != Hash256():
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let rootHash = tester.vmState.stateDB.rootHash
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if tester.postStateHash != rootHash:
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raise newException(ValidationError, "incorrect postStateHash, expect=" &
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$rootHash & ", get=" &
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$tester.postStateHash
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)
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elif lastBlockHash == tester.lastBlockHash:
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# multiple chain, we are using the last valid canonical
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# state root to test against 'postState'
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let stateDB = AccountsCache.init(memDB, header.stateRoot, pruneTrie)
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verifyStateDB(fixture["postState"], ReadOnlyStateDB(stateDB))
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success = lastBlockHash == tester.lastBlockHash
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except ValidationError as E:
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echo fixtureName, " ERROR: ", E.msg
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success = false
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if tester.debugMode:
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tester.dumpDebugData(fixtureName, fixtureIndex, success)
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fixtureTested = true
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check success == true
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if not fixtureTested:
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echo test_config.getConfiguration().testSubject, " not tested at all, wrong index?"
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if specifyIndex <= 0 or specifyIndex > node.len:
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echo "Maximum subtest available: ", node.len
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proc blockchainJsonMain*(debugMode = false) =
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const
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legacyFolder = "eth_tests" / "LegacyTests" / "Constantinople" / "BlockchainTests"
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newFolder = "eth_tests" / "BlockchainTests"
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let config = test_config.getConfiguration()
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if config.testSubject == "" or not debugMode:
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# run all test fixtures
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if config.legacy:
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suite "block chain json tests":
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jsonTest(legacyFolder, "BlockchainTests", testFixture, skipBCTests)
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else:
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suite "new block chain json tests":
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jsonTest(newFolder, "newBlockchainTests", testFixture, skipNewBCTests)
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else:
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# execute single test in debug mode
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if config.testSubject.len == 0:
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echo "missing test subject"
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quit(QuitFailure)
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let folder = if config.legacy: legacyFolder else: newFolder
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let path = "tests" / "fixtures" / folder
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let n = json.parseFile(path / config.testSubject)
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var testStatusIMPL: TestStatus
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testFixture(n, testStatusIMPL, debugMode = true, config.trace)
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when isMainModule:
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var message: string
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let start = getTime()
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## Processing command line arguments
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if test_config.processArguments(message) != test_config.Success:
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echo message
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quit(QuitFailure)
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else:
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if len(message) > 0:
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echo message
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quit(QuitSuccess)
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blockchainJsonMain(true)
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let elpd = getTime() - start
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echo "TIME: ", elpd
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# lastBlockHash -> every fixture has it, hash of a block header
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# genesisRLP -> NOT every fixture has it, rlp bytes of genesis block header
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# _info -> every fixture has it, can be omitted
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# pre, postState -> every fixture has it, prestate and post state
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# genesisHeader -> every fixture has it
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# network -> every fixture has it
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# # EIP150 247
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# # ConstantinopleFix 286
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# # Homestead 256
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# # Frontier 396
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# # Byzantium 263
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# # EIP158ToByzantiumAt5 1
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# # EIP158 233
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# # HomesteadToDaoAt5 4
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# # Constantinople 285
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# # HomesteadToEIP150At5 1
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# # FrontierToHomesteadAt5 7
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# # ByzantiumToConstantinopleFixAt5 1
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# sealEngine -> NOT every fixture has it
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# # NoProof 1709
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# # Ethash 112
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# blocks -> every fixture has it, an array of blocks ranging from 1 block to 303 blocks
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# # transactions 6230 can be empty
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# # # to 6089 -> "" if contractCreation
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# # # value 6089
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# # # gasLimit 6089 -> "gas"
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# # # s 6089
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# # # r 6089
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# # # gasPrice 6089
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# # # v 6089
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# # # data 6089 -> "input"
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# # # nonce 6089
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# # blockHeader 6230 can be not present, e.g. bad rlp
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# # uncleHeaders 6230 can be empty
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# # rlp 6810 has rlp but no blockheader, usually has exception
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# # blocknumber 2733
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# # chainname 1821 -> 'A' to 'H', and 'AA' to 'DD'
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# # chainnetwork 21 -> all values are "Frontier"
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# # expectExceptionALL 420
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# # # UncleInChain 55
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# # # InvalidTimestamp 42
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# # # InvalidGasLimit 42
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# # # InvalidNumber 42
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# # # InvalidDifficulty 35
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# # # InvalidBlockNonce 28
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# # # InvalidUncleParentHash 26
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# # # ExtraDataTooBig 21
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# # # InvalidStateRoot 21
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# # # ExtraDataIncorrect 19
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# # # UnknownParent 16
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# # # TooMuchGasUsed 14
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# # # InvalidReceiptsStateRoot 9
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# # # InvalidUnclesHash 7
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# # # UncleIsBrother 7
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# # # UncleTooOld 7
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# # # InvalidTransactionsRoot 7
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# # # InvalidGasUsed 7
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# # # InvalidLogBloom 7
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# # # TooManyUncles 7
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# # # OutOfGasIntrinsic 1
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# # expectExceptionEIP150 17
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# # # TooMuchGasUsed 7
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# # # InvalidReceiptsStateRoot 7
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# # # InvalidStateRoot 3
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# # expectExceptionByzantium 17
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# # # InvalidStateRoot 10
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# # # TooMuchGasUsed 7
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# # expectExceptionHomestead 17
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# # # InvalidReceiptsStateRoot 7
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# # # BlockGasLimitReached 7
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# # # InvalidStateRoot 3
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# # expectExceptionConstantinople 14
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# # # InvalidStateRoot 7
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# # # TooMuchGasUsed 7
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# # expectExceptionEIP158 14
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# # # TooMuchGasUsed 7
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# # # InvalidReceiptsStateRoot 7
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# # expectExceptionFrontier 14
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# # # InvalidReceiptsStateRoot 7
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# # # BlockGasLimitReached 7
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# # expectExceptionConstantinopleFix 14
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# # # InvalidStateRoot 7
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# # # TooMuchGasUsed 7
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