89 lines
3.7 KiB
Nim
89 lines
3.7 KiB
Nim
# Nimbus
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# Copyright (c) 2018 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 http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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unittest, strformat, strutils, tables, json, ospaths, times,
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byteutils, ranges/typedranges, nimcrypto, options,
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eth/[rlp, common, keys], eth/trie/db, chronicles,
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./test_helpers, ../nimbus/p2p/executor,
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../nimbus/[constants, errors, transaction],
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../nimbus/[vm_state, vm_types, vm_state_transactions, utils],
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../nimbus/vm/interpreter,
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../nimbus/db/[db_chain, state_db]
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proc hashLogEntries(logs: seq[Log]): string =
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toLowerAscii("0x" & $keccakHash(rlp.encode(logs)))
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proc testFixture(fixtures: JsonNode, testStatusIMPL: var TestStatus)
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suite "generalstate json tests":
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jsonTest("GeneralStateTests", testFixture)
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proc testFixtureIndexes(prevStateRoot: Hash256, header: BlockHeader, pre: JsonNode, tx: Transaction,
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expectedHash, expectedLogs: string, testStatusIMPL: var TestStatus, fork: Fork) =
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when enabledLogLevel <= TRACE:
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let tracerFlags = {TracerFlags.EnableTracing}
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else:
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let tracerFlags: set[TracerFlags] = {}
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var vmState = newBaseVMState(prevStateRoot, header, newBaseChainDB(newMemoryDb()), tracerFlags)
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vmState.mutateStateDB:
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setupStateDB(pre, db)
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defer:
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#echo vmState.readOnlyStateDB.dumpAccount("c94f5374fce5edbc8e2a8697c15331677e6ebf0b")
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let obtainedHash = "0x" & `$`(vmState.readOnlyStateDB.rootHash).toLowerAscii
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check obtainedHash == expectedHash
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let logEntries = vmState.getAndClearLogEntries()
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let actualLogsHash = hashLogEntries(logEntries)
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let expectedLogsHash = toLowerAscii(expectedLogs)
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check(expectedLogsHash == actualLogsHash)
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let sender = tx.getSender()
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if not validateTransaction(vmState, tx, sender):
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vmState.mutateStateDB:
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# pre-EIP158 (e.g., Byzantium) should ensure currentCoinbase exists
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# in later forks, don't create at all
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db.addBalance(header.coinbase, 0.u256)
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return
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vmState.mutateStateDB:
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let gasUsed = tx.processTransaction(sender, vmState, some(fork))
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db.addBalance(header.coinbase, gasUsed.u256 * tx.gasPrice.u256)
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proc testFixture(fixtures: JsonNode, testStatusIMPL: var TestStatus) =
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var fixture: JsonNode
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for label, child in fixtures:
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fixture = child
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break
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let fenv = fixture["env"]
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var emptyRlpHash = keccak256.digest(rlp.encode(""))
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let header = BlockHeader(
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coinbase: fenv["currentCoinbase"].getStr.ethAddressFromHex,
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difficulty: fromHex(UInt256, fenv{"currentDifficulty"}.getStr),
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blockNumber: fenv{"currentNumber"}.getHexadecimalInt.u256,
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gasLimit: fenv{"currentGasLimit"}.getHexadecimalInt.GasInt,
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timestamp: fenv{"currentTimestamp"}.getHexadecimalInt.int64.fromUnix,
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stateRoot: emptyRlpHash
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)
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let ftrans = fixture["transaction"]
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for fork in supportedForks:
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if fixture["post"].hasKey(forkNames[fork]):
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# echo "[fork: ", forkNames[fork], "]"
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for expectation in fixture["post"][forkNames[fork]]:
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let
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expectedHash = expectation["hash"].getStr
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expectedLogs = expectation["logs"].getStr
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indexes = expectation["indexes"]
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dataIndex = indexes["data"].getInt
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gasIndex = indexes["gas"].getInt
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valueIndex = indexes["value"].getInt
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let transaction = ftrans.getFixtureTransaction(dataIndex, gasIndex, valueIndex)
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testFixtureIndexes(emptyRlpHash, header, fixture["pre"], transaction,
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expectedHash, expectedLogs, testStatusIMPL, fork)
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