212 lines
7.6 KiB
Nim
212 lines
7.6 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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unittest2, strformat, strutils, tables, json, times, os,
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stew/ranges/typedranges, nimcrypto, options,
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eth/[rlp, common], eth/trie/[db, trie_defs], chronicles,
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./test_helpers, ./test_allowed_to_fail,
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../nimbus/p2p/executor, test_config,
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../nimbus/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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type
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Tester = object
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name: string
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header: BlockHeader
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pre: JsonNode
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tx: Transaction
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expectedHash: string
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expectedLogs: string
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fork: Fork
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debugMode: bool
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trace: bool
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index: int
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GST_VMState = ref object of BaseVMState
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proc toBytes(x: string): seq[byte] =
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result = newSeq[byte](x.len)
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for i in 0..<x.len: result[i] = x[i].byte
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proc newGST_VMState(prevStateRoot: Hash256, header: BlockHeader, chainDB: BaseChainDB, tracerFlags: set[TracerFlags]): GST_VMState =
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new result
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result.init(prevStateRoot, header, chainDB, tracerFlags)
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method getAncestorHash*(vmState: GST_VMState, blockNumber: BlockNumber): Hash256 {.gcsafe.} =
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if blockNumber >= vmState.blockNumber:
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return
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elif blockNumber < 0:
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return
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elif blockNumber < vmState.blockNumber - 256:
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return
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else:
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return keccakHash(toBytes($blockNumber))
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proc dumpAccount(accountDb: ReadOnlyStateDB, address: EthAddress, name: string): JsonNode =
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result = %{
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"name": %name,
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"address": %($address),
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"nonce": %toHex(accountDb.getNonce(address)),
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"balance": %accountDb.getBalance(address).toHex(),
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"codehash": %($accountDb.getCodeHash(address)),
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"storageRoot": %($accountDb.getStorageRoot(address))
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}
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proc dumpDebugData(tester: Tester, vmState: BaseVMState, sender: EthAddress, gasUsed: GasInt, success: bool) =
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let recipient = tester.tx.getRecipient()
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let miner = tester.header.coinbase
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var accounts = newJObject()
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accounts[$miner] = dumpAccount(vmState.readOnlyStateDB, miner, "miner")
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accounts[$sender] = dumpAccount(vmState.readOnlyStateDB, sender, "sender")
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accounts[$recipient] = dumpAccount(vmState.readOnlyStateDB, recipient, "recipient")
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let accountList = [sender, miner, recipient]
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var i = 0
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for ac, _ in tester.pre:
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let account = ethAddressFromHex(ac)
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if account notin accountList:
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accounts[$account] = dumpAccount(vmState.readOnlyStateDB, account, "pre" & $i)
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inc i
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let tracingResult = if tester.trace: vmState.getTracingResult() else: %[]
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let debugData = %{
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"gasUsed": %gasUsed,
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"structLogs": tracingResult,
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"accounts": accounts
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}
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let status = if success: "_success" else: "_failed"
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writeFile("debug_" & tester.name & "_" & $tester.index & status & ".json", debugData.pretty())
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proc testFixtureIndexes(tester: Tester, testStatusIMPL: var TestStatus) =
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var tracerFlags: set[TracerFlags] = if tester.trace: {TracerFlags.EnableTracing} else : {}
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# TODO: implement journalDB in AccountStateDB
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# then turn on state trie pruning
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var vmState = newGST_VMState(emptyRlpHash, tester.header, newBaseChainDB(newMemoryDb(), false), tracerFlags)
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var gasUsed: GasInt
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let sender = tester.tx.getSender()
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vmState.mutateStateDB:
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setupStateDB(tester.pre, db)
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vmState.accountDB.updateOriginalRoot()
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defer:
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let obtainedHash = "0x" & `$`(vmState.readOnlyStateDB.rootHash).toLowerAscii
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check obtainedHash == tester.expectedHash
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let logEntries = vmState.getAndClearLogEntries()
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let actualLogsHash = hashLogEntries(logEntries)
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let expectedLogsHash = toLowerAscii(tester.expectedLogs)
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check(expectedLogsHash == actualLogsHash)
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if tester.debugMode:
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let success = expectedLogsHash == actualLogsHash and obtainedHash == tester.expectedHash
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tester.dumpDebugData(vmState, sender, gasUsed, success)
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if not validateTransaction(vmState, tester.tx, sender, tester.fork):
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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(tester.header.coinbase, 0.u256)
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# TODO: this feels not right to be here
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# perhaps the entire validateTransaction block
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# should be moved into processTransaction
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if tester.fork >= FkSpurious:
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let miner = tester.header.coinbase
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let touchedAccounts = [miner]
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for account in touchedAccounts:
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debug "state clearing", account
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if db.accountExists(account) and db.isEmptyAccount(account):
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db.deleteAccount(account)
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return
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gasUsed = tester.tx.processTransaction(sender, vmState, tester.fork)
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proc testFixture(fixtures: JsonNode, testStatusIMPL: var TestStatus,
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trace = false, debugMode = false, supportedForks: set[Fork] = supportedForks) =
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var tester: Tester
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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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tester.name = label
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break
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let fenv = fixture["env"]
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tester.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 specifyIndex = getConfiguration().index
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tester.trace = trace
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tester.debugMode = debugMode
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let ftrans = fixture["transaction"]
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var testedInFork = false
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for fork in supportedForks:
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if fixture["post"].hasKey(forkNames[fork]):
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for expectation in fixture["post"][forkNames[fork]]:
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inc tester.index
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if specifyIndex > 0 and tester.index != specifyIndex:
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continue
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testedInFork = true
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tester.expectedHash = expectation["hash"].getStr
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tester.expectedLogs = expectation["logs"].getStr
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let
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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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tester.tx = ftrans.getFixtureTransaction(dataIndex, gasIndex, valueIndex)
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tester.pre = fixture["pre"]
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tester.fork = fork
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testFixtureIndexes(tester, testStatusIMPL)
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if not testedInFork:
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echo "test subject '", tester.name, "' not tested in any forks"
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proc generalStateJsonMain*(debugMode = false) =
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if paramCount() == 0 or not debugMode:
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# run all test fixtures
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#suite "generalstate json tests":
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#jsonTest("GeneralStateTests", testFixture, skipGSTTests)
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suite "new generalstate json tests":
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jsonTest("newGeneralStateTests", testFixture, skipNewGSTTests)
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else:
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# execute single test in debug mode
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let config = getConfiguration()
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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 path = "tests" / "fixtures" / "newGeneralStateTests"
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let n = json.parseFile(path / config.testSubject)
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var testStatusIMPL: TestStatus
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var forks: set[Fork] = {}
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forks.incl config.fork
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testFixture(n, testStatusIMPL, config.trace, true, forks)
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when isMainModule:
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var message: string
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## Processing command line arguments
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if processArguments(message) != 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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generalStateJsonMain(true)
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