81 lines
2.4 KiB
Nim
81 lines
2.4 KiB
Nim
import
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os, ospaths, strutils, strformat,
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asyncdispatch2, milagro_crypto, nimcrypto, json_serialization,
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spec/[datatypes, digest, crypto], conf, randao, time, ssz,
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../tests/testutil
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proc writeFile(filename: string, value: auto) =
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Json.saveFile(filename, value, pretty = true)
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echo "Wrote ", filename
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proc genSingleValidator(path: string): (ValidatorPubKey,
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ValidatorPrivKey,
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Eth2Digest) =
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var v: PrivateValidatorData
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v.privKey = newSigKey()
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if randomBytes(v.randao.seed.data) != sizeof(v.randao.seed.data):
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raise newException(Exception, "Could not generate randao seed")
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writeFile(path, v)
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return (v.privKey.pubKey(), v.privKey, v.randao.initialCommitment)
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proc printUsage() =
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echo "Usage: validator_keygen <number-of-validators> <out-path>"
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# TODO: Make these more comprehensive and find them a new home
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type
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Ether* = distinct int64
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GWei* = distinct int64
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template eth*(x: SomeInteger): Ether = Ether(x)
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template gwei*(x: Ether): Gwei = Gwei(int(x) * 1000000000)
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proc main() =
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if paramCount() != 2:
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printUsage()
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return
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let totalValidators = parseInt paramStr(1)
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if totalValidators < 64:
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echo "The number of validators must be higher than ", EPOCH_LENGTH, " (EPOCH_LENGTH)"
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echo "There must be at least one validator assigned per slot."
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quit 1
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let outPath = paramStr(2)
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var startupData: ChainStartupData
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for i in 1 .. totalValidators:
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let (pubKey, privKey, randaoCommitment) =
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genSingleValidator(outPath / &"validator-{i:02}.json")
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let
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withdrawalCredentials = makeFakeHash(i)
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proofOfPossessionData = DepositInput(
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pubkey: pubKey,
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withdrawal_credentials: withdrawalCredentials,
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randao_commitment: randaoCommitment)
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proofOfPossession = signMessage(
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privkey, hash_tree_root_final(proofOfPossessionData).data)
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startupData.validatorDeposits.add Deposit(
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deposit_data: DepositData(
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value: MAX_DEPOSIT * GWEI_PER_ETH,
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timestamp: now(),
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deposit_input: DepositInput(
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pubkey: pubKey,
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proof_of_possession: proofOfPossession,
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withdrawal_credentials: withdrawalCredentials,
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randao_commitment: randaoCommitment)))
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startupData.genesisTime = now() div 1000
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writeFile(outPath / "startup.json", startupData)
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when isMainModule:
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main()
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