142 lines
4.8 KiB
Nim
142 lines
4.8 KiB
Nim
import
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confutils, strutils, strformat, os
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const
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rootDir = thisDir() / ".."
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bootstrapTxtFileName = "bootstrap_nodes.txt"
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bootstrapYamlFileName = "boot_enr.yaml"
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depositContractFileName = "deposit_contract.txt"
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genesisFile = "genesis.ssz"
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configFile = "config.yaml"
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testnetsRepo = "eth2-testnets"
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web3Url = "wss://goerli.infura.io/ws/v3/809a18497dd74102b5f37d25aae3c85a"
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let
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testnetsOrg = getEnv("ETH2_TESTNETS_ORG", "eth2-clients")
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testnetsGitUrl = getEnv("ETH2_TESTNETS_GIT_URL", "https://github.com/" & testnetsOrg & "/" & testnetsRepo)
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mode = Verbose
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proc validateTestnetName(parts: openarray[string]): auto =
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if parts.len != 2:
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echo "The testnet name should have the format `client/network-name`"
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quit 1
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(parts[0], parts[1])
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cli do (testnetName {.argument.}: string):
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let
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nameParts = testnetName.split "/"
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(team, testnet) = if nameParts.len > 1: validateTestnetName nameParts
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else: ("nimbus", testnetName)
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let
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buildDir = rootDir / "build"
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allTestnetsDir = buildDir / testnetsRepo
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rmDir(allTestnetsDir)
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cd buildDir
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exec &"git clone --quiet --depth=1 {testnetsGitUrl}"
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var
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depositContractOpt = ""
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bootstrapFileOpt = ""
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let testnetDir = allTestnetsDir / team / testnet
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if not system.dirExists(testnetDir):
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echo &"No metadata files exists for the '{testnetName}' testnet"
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quit 1
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proc checkRequiredFile(fileName: string) =
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let filePath = testnetDir / fileName
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if not system.fileExists(filePath):
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echo &"The required file {fileName} is not present in '{testnetDir}'."
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quit 1
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checkRequiredFile genesisFile
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let bootstrapTxtFile = testnetDir / bootstrapTxtFileName
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if system.fileExists(bootstrapTxtFile):
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bootstrapFileOpt = &"--bootstrap-file=\"{bootstrapTxtFile}\""
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else:
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let bootstrapYamlFile = testnetDir / bootstrapYamlFileName
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if system.fileExists(bootstrapYamlFile):
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bootstrapFileOpt = &"--enr-bootstrap-file=\"{bootstrapYamlFile}\""
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else:
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echo "Warning: the network metadata doesn't include a bootstrap file"
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var preset = testnetDir / configFile
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if not system.fileExists(preset): preset = "minimal"
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let
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dataDirName = testnetName.replace("/", "_")
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.replace("(", "_")
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.replace(")", "_")
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dataDir = buildDir / "data" / dataDirName
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validatorsDir = dataDir / "validators"
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dumpDir = dataDir / "dump"
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beaconNodeBinary = buildDir / "beacon_node_" & dataDirName
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var
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nimFlags = "-d:chronicles_log_level=TRACE " & getEnv("NIM_PARAMS")
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let depositContractFile = testnetDir / depositContractFileName
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if system.fileExists(depositContractFile):
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depositContractOpt = "--deposit-contract=" & readFile(depositContractFile).strip
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if system.dirExists(dataDir):
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block resetDataDir:
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# We reset the testnet data dir if the existing data dir is
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# incomplete (it misses a genesis file) or if it has a genesis
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# file from an older testnet:
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if system.fileExists(dataDir/genesisFile):
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let localGenesisContent = readFile(dataDir/genesisFile)
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let testnetGenesisContent = readFile(testnetDir/genesisFile)
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if localGenesisContent == testnetGenesisContent:
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break
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echo "Detected testnet restart. Deleting previous database..."
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rmDir dataDir
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cd rootDir
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if testnet == "testnet1":
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nimFlags &= " -d:NETWORK_TYPE=libp2p"
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exec &"""nim c {nimFlags} -d:"const_preset={preset}" -o:"{beaconNodeBinary}" beacon_chain/beacon_node.nim"""
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mkDir dumpDir
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proc execIgnoringExitCode(s: string) =
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# reduces the error output when interrupting an external command with Ctrl+C
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try:
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exec s
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except OsError:
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discard
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if depositContractOpt.len > 0 and not system.dirExists(validatorsDir):
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mode = Silent
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echo "\nPlease enter your Goerli Eth1 private key in hex form (e.g. 0x1a2...f3c) in order to become a validator (you'll need access to 32 GoETH)."
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echo "Hit Enter to skip this."
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# is there no other way to print without a trailing newline?
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exec "printf '> '"
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let privKey = readLineFromStdin()
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if privKey.len > 0:
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mkDir validatorsDir
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mode = Verbose
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execIgnoringExitCode replace(&"""{beaconNodeBinary} makeDeposits
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--random-deposits=1
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--deposits-dir="{validatorsDir}"
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--deposit-private-key={privKey}
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--web3-url={web3Url}
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{depositContractOpt}
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""", "\n", " ")
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mode = Silent
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echo "\nDeposit sent, wait for confirmation then press enter to continue"
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discard readLineFromStdin()
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mode = Verbose
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execIgnoringExitCode replace(&"""{beaconNodeBinary}
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--data-dir="{dataDir}"
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--dump=true
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--web3-url={web3Url}
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{bootstrapFileOpt}
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--state-snapshot="{testnetDir/genesisFile}" """ & depositContractOpt, "\n", " ")
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