Implement the 'deposits exit' command; Remove 'deposits create'
This commit is contained in:
parent
a2364ce1bc
commit
3c0dfc2fbe
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@ -1,7 +1,7 @@
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{.push raises: [Defect].}
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import
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strutils, os, options, unicode,
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strutils, os, options, unicode, uri,
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chronicles, chronicles/options as chroniclesOptions,
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confutils, confutils/defs, confutils/std/net, stew/shims/net as stewNet,
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stew/io2, unicodedb/properties, normalize,
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@ -12,12 +12,11 @@ import
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network_metadata, filepath
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export
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uri,
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defaultEth2TcpPort, enabledLogLevel, ValidIpAddress,
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defs, parseCmdArg, completeCmdArg, network_metadata
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type
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ValidatorKeyPath* = TypedInputFile[ValidatorPrivKey, Txt, "privkey"]
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BNStartUpCmd* = enum
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noCommand
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createTestnet
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@ -31,9 +30,10 @@ type
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list = "Lists details about all wallets"
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DepositsCmd* {.pure.} = enum
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create = "Creates validator keystores and deposits"
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# create = "Creates validator keystores and deposits"
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`import` = "Imports password-protected keystores interactively"
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status = "Displays status information about all deposits"
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# status = "Displays status information about all deposits"
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exit = "Submits a validator voluntary exit"
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VCStartUpCmd* = enum
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VCNoCommand
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@ -325,6 +325,7 @@ type
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of deposits:
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case depositsCmd* {.command.}: DepositsCmd
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#[
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of DepositsCmd.create:
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totalDeposits* {.
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defaultValue: 1
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@ -357,13 +358,28 @@ type
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desc: "Output wallet file"
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name: "new-wallet-file" }: Option[OutFile]
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of DepositsCmd.status:
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discard
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#]#
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of DepositsCmd.`import`:
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importedDepositsDir* {.
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argument
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desc: "A directory with keystores to import" }: Option[InputDir]
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of DepositsCmd.status:
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discard
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of DepositsCmd.exit:
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exitedValidator* {.
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name: "validator"
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desc: "Validator index or a public key of the exited validator" }: string
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rpcUrlForExit* {.
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name: "rpc-url"
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defaultValue: parseUri("wss://localhost:" & $defaultEth2RpcPort)
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desc: "URL of the beacon node JSON-RPC service" }: Uri
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exitAtEpoch* {.
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name: "epoch"
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desc: "The desired exit epoch" }: Option[uint64]
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of record:
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case recordCmd* {.command.}: RecordCmd
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@ -501,6 +517,13 @@ func parseCmdArg*(T: type BlockHashOrNumber, input: TaintedString): T
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func completeCmdArg*(T: type BlockHashOrNumber, input: TaintedString): seq[string] =
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return @[]
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func parseCmdArg*(T: type Uri, input: TaintedString): T
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{.raises: [ValueError, Defect].} =
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parseUri(input.string)
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func completeCmdArg*(T: type Uri, input: TaintedString): seq[string] =
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return @[]
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func parseCmdArg*(T: type Checkpoint, input: TaintedString): T
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{.raises: [ValueError, Defect].} =
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let sepIdx = find(input.string, ':')
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@ -569,9 +592,11 @@ func outWalletName*(conf: BeaconNodeConf): Option[WalletName] =
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of WalletsCmd.restore: conf.restoredWalletNameFlag
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of WalletsCmd.list: fail()
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of deposits:
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case conf.depositsCmd
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of DepositsCmd.create: conf.newWalletNameFlag
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else: fail()
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# TODO: Uncomment when the deposits create command is restored
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#case conf.depositsCmd
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#of DepositsCmd.create: conf.newWalletNameFlag
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#else: fail()
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fail()
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else:
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fail()
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@ -586,9 +611,11 @@ func outWalletFile*(conf: BeaconNodeConf): Option[OutFile] =
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of WalletsCmd.restore: conf.restoredWalletFileFlag
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of WalletsCmd.list: fail()
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of deposits:
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case conf.depositsCmd
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of DepositsCmd.create: conf.newWalletFileFlag
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else: fail()
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# TODO: Uncomment when the deposits create command is restored
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#case conf.depositsCmd
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#of DepositsCmd.create: conf.newWalletFileFlag
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#else: fail()
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fail()
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else:
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fail()
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@ -48,9 +48,19 @@ template genFromJsonForIntType(T: untyped) =
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proc fromJson*(n: JsonNode, argName: string, result: var T) =
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n.kind.expect(JInt, argName)
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let asInt = n.getBiggestInt()
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when T is Epoch:
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if asInt == -1:
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# TODO: This is a major hack here. Since the json library
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# cannot handle properly 0xffffffff when serializing and
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# deserializing uint64 values, we detect one known wrong
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# result, appering in most `Validator` records. To fix
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# this issue, we'll have to switch to nim-json-serialization
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# in nim-json-rpc or work towards implementing a fix upstream.
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result = FAR_FUTURE_EPOCH
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return
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if asInt < 0:
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# signed -> unsigned conversions are unchecked
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# https://github.com/nim-lang/RFCs/issues/175
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if asInt < 0:
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raise newException(
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ValueError, "JSON-RPC input is an unexpected negative value")
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result = T(asInt)
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@ -213,7 +213,7 @@ proc validateProposerSlashing*(
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# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#voluntary_exit
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proc validateVoluntaryExit*(
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pool: var ExitPool, signed_voluntary_exit: SignedVoluntaryExit):
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Result[bool, (ValidationResult, cstring)] =
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Result[void, (ValidationResult, cstring)] =
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# [IGNORE] The voluntary exit is the first valid voluntary exit received for
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# the validator with index signed_voluntary_exit.message.validator_index.
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if signed_voluntary_exit.message.validator_index >=
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@ -241,4 +241,4 @@ proc validateVoluntaryExit*(
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pool.voluntary_exits.addExitMessage(
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signed_voluntary_exit, VOLUNTARY_EXITS_BOUND)
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ok(true)
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ok()
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@ -38,7 +38,7 @@ const
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"../vendor/nimbus-security-resources/passwords/10-million-password-list-top-100000.txt",
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minWordLen = minPasswordLen)
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proc echoP(msg: string) =
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proc echoP*(msg: string) =
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## Prints a paragraph aligned to 80 columns
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echo ""
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echo wrapWords(msg, 80)
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@ -213,7 +213,7 @@ proc keyboardGetPassword[T](prompt: string, attempts: int,
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dec(remainingAttempts)
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err("Failed to decrypt keystore")
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proc loadKeystore(validatorsDir, secretsDir, keyName: string,
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proc loadKeystore*(validatorsDir, secretsDir, keyName: string,
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nonInteractive: bool): Option[ValidatorPrivKey] =
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let
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keystorePath = validatorsDir / keyName / keystoreFileName
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@ -4,10 +4,10 @@ import
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eth/common/eth_types as commonEthTypes,
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web3/[ethtypes, conversions],
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chronicles,
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spec/presets,
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spec/datatypes,
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json_serialization,
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json_serialization/std/[options, sets, net], serialization/errors
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json_serialization/std/[options, sets, net], serialization/errors,
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ssz/navigator,
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spec/[presets, datatypes, digest]
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# ATTENTION! This file will produce a large C file, because we are inlining
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# genesis states as C literals in the generated code (and blobs in the final
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@ -219,3 +219,7 @@ proc getRuntimePresetForNetwork*(eth2Network: Option[string]): RuntimePreset =
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if eth2Network.isSome:
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return getMetadataForNetwork(eth2Network.get).runtimePreset
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return defaultRuntimePreset
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proc extractGenesisValidatorRootFromSnapshop*(snapshot: string): Eth2Digest =
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sszMount(snapshot, BeaconState).genesis_validators_root[]
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@ -7,12 +7,12 @@
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import
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# Standard library
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std/[os, tables, strutils, strformat, sequtils, times, math, terminal, osproc,
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random],
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std/[os, tables, strutils, strformat, sequtils, times, math,
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terminal, osproc, random],
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# Nimble packages
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stew/[objects, byteutils, endians2, io2], stew/shims/macros,
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chronos, confutils, metrics, json_rpc/[rpcserver, jsonmarshal],
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chronos, confutils, metrics, json_rpc/[rpcclient, rpcserver, jsonmarshal],
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chronicles, bearssl, blscurve,
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json_serialization/std/[options, sets, net], serialization/errors,
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@ -24,13 +24,14 @@ import
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./rpc/[beacon_api, config_api, debug_api, event_api, nimbus_api, node_api,
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validator_api],
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spec/[datatypes, digest, crypto, beaconstate, helpers, network, presets],
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spec/[weak_subjectivity],
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spec/[weak_subjectivity, signatures],
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spec/eth2_apis/beacon_rpc_client,
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conf, time, beacon_chain_db, validator_pool, extras,
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attestation_pool, exit_pool, eth2_network, eth2_discovery,
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beacon_node_common, beacon_node_types, beacon_node_status,
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block_pools/[chain_dag, quarantine, clearance, block_pools_types],
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nimbus_binary_common, network_metadata,
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eth1_monitor, version, ssz/[navigator, merkleization],
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eth1_monitor, version, ssz/merkleization,
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sync_protocol, request_manager, keystore_management, interop, statusbar,
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sync_manager, validator_duties, filepath,
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validator_slashing_protection, ./eth2_processor
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@ -220,7 +221,7 @@ proc init*(T: type BeaconNode,
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if genesisStateContents != nil:
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let
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networkGenesisValidatorsRoot =
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sszMount(genesisStateContents[], BeaconState).genesis_validators_root[]
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extractGenesisValidatorRootFromSnapshop(genesisStateContents[])
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if networkGenesisValidatorsRoot != databaseGenesisValidatorsRoot:
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fatal "The specified --data-dir contains data for a different network",
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@ -1025,6 +1026,143 @@ when hasPrompt:
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# var t: Thread[ptr Prompt]
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# createThread(t, processPromptCommands, addr p)
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proc handleValidatorExitCommand(config: BeaconNodeConf) {.async.} =
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let port = try:
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let value = parseInt(config.rpcUrlForExit.port)
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if value < Port.low.int or value > Port.high.int:
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raise newException(ValueError,
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"The port number must be between " & $Port.low & " and " & $Port.high)
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Port value
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except CatchableError as err:
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fatal "Invalid port number", err = err.msg
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quit 1
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let rpcClient = newRpcHttpClient()
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try:
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await connect(rpcClient, config.rpcUrlForExit.hostname, port)
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except CatchableError as err:
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fatal "Failed to connect to the beacon node RPC service", err = err.msg
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quit 1
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let (validator, validatorIdx, status, balance) = try:
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await rpcClient.get_v1_beacon_states_stateId_validators_validatorId(
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"head", config.exitedValidator)
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except CatchableError as err:
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fatal "Failed to obtain information for validator", err = err.msg
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quit 1
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let exitAtEpoch = if config.exitAtEpoch.isSome:
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Epoch config.exitAtEpoch.get
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else:
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let headSlot = try:
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await rpcClient.getBeaconHead()
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except CatchableError as err:
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fatal "Failed to obtain the current head slot", err = err.msg
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quit 1
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headSlot.epoch
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let
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validatorsDir = config.validatorsDir
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validatorKeyAsStr = "0x" & $validator.pubkey
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keystoreDir = validatorsDir / validatorKeyAsStr
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if not dirExists(keystoreDir):
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echo "The validator keystores directory '" & config.validatorsDir.string &
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"' does not contain a keystore for the selected validator with public " &
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"key '" & validatorKeyAsStr & "'."
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quit 1
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let signingKey = loadKeystore(
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validatorsDir,
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config.secretsDir,
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validatorKeyAsStr,
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config.nonInteractive)
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if signingKey.isNone:
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fatal "Unable to continue without decrypted signing key"
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quit 1
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let fork = try:
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await rpcClient.get_v1_beacon_states_fork("head")
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except CatchableError as err:
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fatal "Failed to obtain the fork id of the head state", err = err.msg
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quit 1
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let genesisValidatorsRoot = try:
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(await rpcClient.get_v1_beacon_genesis()).genesis_validators_root
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except CatchableError as err:
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fatal "Failed to obtain the genesis validators root of the network",
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err = err.msg
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quit 1
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var signedExit = SignedVoluntaryExit(
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message: VoluntaryExit(
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epoch: exitAtEpoch,
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validator_index: validatorIdx))
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signedExit.signature = get_voluntary_exit_signature(
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fork, genesisValidatorsRoot, signedExit.message, signingKey.get)
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template ask(prompt: string): string =
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try:
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stdout.write prompt, ": "
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stdin.readLine()
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except IOError as err:
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fatal "Failed to read user input from stdin"
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quit 1
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try:
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echoP "PLEASE BEWARE!"
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echoP "Publishing a voluntary exit is an irreversible operation! " &
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"You won't be able to restart again with the same validator."
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echoP "By requesting an exit now, you'll be exempt from penalties " &
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"stemming from not performing your validator duties, but you " &
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"won't be able to withdraw your deposited funds at the time " &
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"being. This means that your funds will be effectively frozen " &
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"until withdrawals are enabled in a future phase of the Eth2 " &
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"rollout."
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echoP "To understand more about the Eth2 roadmap, we recommend you " &
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"have a look at\n" &
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"https://ethereum.org/en/eth2/#roadmap"
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echoP "You must not shut down your validator for at least 5 epochs " &
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"(32 minutes) after requesting a validator exit, as you will " &
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"still be required to perform validator duties until your exit " &
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"has been processed. The number of epochs could be significantly " &
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"higher depending on how many other validators are queued to exit."
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echoP "As such, we recommend you keep track of your validator's status " &
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"using an Eth2 block explorer before shutting down your beacon node."
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const
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confirmation = "I understand the implications of submitting a voluntary exit"
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while true:
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echoP "To proceed to submitting your voluntary exit, please type '" &
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confirmation & "' (without the quotes) in the prompt below and " &
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"press ENTER or type 'q' to quit."
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echo ""
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let choice = ask "Your choice"
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if choice == "q":
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quit 0
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elif choice == confirmation:
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let success = await rpcClient.post_v1_beacon_pool_voluntary_exits(signedExit)
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if success:
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echo "Successfully published voluntary exit for validator " &
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$validatorIdx & "(" & validatorKeyAsStr[0..9] & ")."
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quit 0
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else:
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echo "The voluntary exit was not submitted successfully. Please try again."
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quit 1
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except CatchableError as err:
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fatal "Failed to send the signed exit message to the beacon node RPC"
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quit 1
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programMain:
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var
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config = makeBannerAndConfig(clientId, BeaconNodeConf)
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@ -1210,6 +1348,7 @@ programMain:
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of deposits:
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case config.depositsCmd
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#[
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of DepositsCmd.create:
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var seed: KeySeed
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defer: burnMem(seed)
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@ -1287,6 +1426,11 @@ programMain:
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fatal "Failed to create launchpad deposit data file", err = err.msg
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quit 1
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of DepositsCmd.status:
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echo "The status command is not implemented yet"
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quit 1
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#]#
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of DepositsCmd.`import`:
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let validatorKeysDir = config.importedDepositsDir.get:
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let cwd = os.getCurrentDir()
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@ -1304,9 +1448,8 @@ programMain:
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validatorKeysDir.string,
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config.validatorsDir, config.secretsDir)
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of DepositsCmd.status:
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echo "The status command is not implemented yet"
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quit 1
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of DepositsCmd.exit:
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waitFor handleValidatorExitCommand(config)
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of wallets:
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case config.walletsCmd:
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|
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|
@ -11,7 +11,7 @@ import
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chronicles,
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../beacon_node_common, ../eth2_json_rpc_serialization, ../eth2_network,
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../validator_duties,
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../block_pools/chain_dag,
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../block_pools/chain_dag, ../exit_pool,
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../spec/[crypto, digest, datatypes, validator],
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../spec/eth2_apis/callsigs_types,
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../ssz/merkleization,
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@ -26,8 +26,11 @@ template unimplemented() =
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raise (ref CatchableError)(msg: "Unimplemented")
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proc parsePubkey(str: string): ValidatorPubKey =
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if str.len != RawPubKeySize + 2: # +2 because of the `0x` prefix
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raise newException(CatchableError, "Not a valid public key (too short)")
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const expectedLen = RawPubKeySize * 2 + 2
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if str.len != expectedLen: # +2 because of the `0x` prefix
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raise newException(ValueError,
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"A hex public key should be exactly " & $expectedLen & " characters. " &
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$str.len & " provided")
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let pubkeyRes = fromHex(ValidatorPubKey, str)
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if pubkeyRes.isErr:
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raise newException(CatchableError, "Not a valid public key")
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|
@ -46,19 +49,20 @@ proc getValidatorInfoFromValidatorId(
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if status notin allowedStatuses:
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raise newException(CatchableError, "Invalid status requested")
|
||||
|
||||
var validatorIdx: uint64
|
||||
let validator = if validatorId.startsWith("0x"):
|
||||
let pubkey = parsePubkey(validatorId)
|
||||
let idx = state.validators.asSeq.findIt(it.pubKey == pubkey)
|
||||
if idx == -1:
|
||||
raise newException(CatchableError, "Could not find validator")
|
||||
validatorIdx = idx.uint64
|
||||
state.validators[idx]
|
||||
else:
|
||||
var valIdx: BiggestUInt
|
||||
if parseBiggestUInt(validatorId, valIdx) != validatorId.len:
|
||||
if parseBiggestUInt(validatorId, validatorIdx) != validatorId.len:
|
||||
raise newException(CatchableError, "Not a valid index")
|
||||
if valIdx > state.validators.lenu64:
|
||||
if validatorIdx > state.validators.lenu64:
|
||||
raise newException(CatchableError, "Index out of bounds")
|
||||
state.validators[valIdx]
|
||||
state.validators[validatorIdx]
|
||||
|
||||
# time to determine the status of the validator - the code mimics
|
||||
# whatever is detailed here: https://hackmd.io/ofFJ5gOmQpu1jjHilHbdQQ
|
||||
|
@ -102,7 +106,9 @@ proc getValidatorInfoFromValidatorId(
|
|||
if status != "" and status notin actual_status:
|
||||
return none(BeaconStatesValidatorsTuple)
|
||||
|
||||
return some((validator: validator, status: actual_status,
|
||||
return some((validator: validator,
|
||||
index: validatorIdx,
|
||||
status: actual_status,
|
||||
balance: validator.effective_balance))
|
||||
|
||||
proc getBlockDataFromBlockId(node: BeaconNode, blockId: string): BlockData =
|
||||
|
@ -254,5 +260,13 @@ proc installBeaconApiHandlers*(rpcServer: RpcServer, node: BeaconNode) =
|
|||
rpcServer.rpc("get_v1_beacon_pool_voluntary_exits") do () -> JsonNode:
|
||||
unimplemented()
|
||||
|
||||
rpcServer.rpc("post_v1_beacon_pool_voluntary_exits") do () -> JsonNode:
|
||||
unimplemented()
|
||||
rpcServer.rpc("post_v1_beacon_pool_voluntary_exits") do (
|
||||
exit: SignedVoluntaryExit) -> bool:
|
||||
doAssert node.exitPool != nil
|
||||
let validity = node.exitPool[].validateVoluntaryExit(exit)
|
||||
if validity.isOk:
|
||||
node.sendVoluntaryExit(exit)
|
||||
else:
|
||||
raise newException(ValueError, $(validity.error[1]))
|
||||
return true
|
||||
|
||||
|
|
|
@ -54,8 +54,8 @@ proc get_v1_beacon_blocks_blockId_attestations(blockId: string): seq[Attestation
|
|||
# TODO GET /v1/beacon/pool/attestations
|
||||
|
||||
|
||||
|
||||
proc post_v1_beacon_pool_attestations(attestation: Attestation): bool
|
||||
proc post_v1_beacon_pool_voluntary_exits(exit: SignedVoluntaryExit): bool
|
||||
|
||||
proc get_v1_config_fork_schedule(): seq[Fork]
|
||||
|
||||
|
|
|
@ -0,0 +1,9 @@
|
|||
import
|
||||
os, json,
|
||||
json_rpc/[rpcclient, jsonmarshal],
|
||||
../../eth2_json_rpc_serialization,
|
||||
../digest, ../datatypes,
|
||||
callsigs_types
|
||||
|
||||
createRpcSigs(RpcClient, currentSourcePath.parentDir / "beacon_callsigs.nim")
|
||||
|
|
@ -30,6 +30,7 @@ type
|
|||
|
||||
BeaconStatesValidatorsTuple* = tuple
|
||||
validator: Validator
|
||||
index: uint64
|
||||
status: string
|
||||
balance: uint64
|
||||
|
||||
|
|
|
@ -178,10 +178,24 @@ proc verify_deposit_signature*(preset: RuntimePreset,
|
|||
|
||||
blsVerify(deposit.pubkey, signing_root.data, deposit.signature)
|
||||
|
||||
proc verify_voluntary_exit_signature*(
|
||||
fork: Fork, genesis_validators_root: Eth2Digest,
|
||||
func get_voluntary_exit_signature*(
|
||||
fork: Fork,
|
||||
genesis_validators_root: Eth2Digest,
|
||||
voluntary_exit: VoluntaryExit,
|
||||
pubkey: ValidatorPubKey, signature: SomeSig): bool =
|
||||
privkey: ValidatorPrivKey): ValidatorSig =
|
||||
let
|
||||
domain = get_domain(
|
||||
fork, DOMAIN_VOLUNTARY_EXIT, voluntary_exit.epoch, genesis_validators_root)
|
||||
signing_root = compute_signing_root(voluntary_exit, domain)
|
||||
|
||||
blsSign(privKey, signing_root.data)
|
||||
|
||||
proc verify_voluntary_exit_signature*(
|
||||
fork: Fork,
|
||||
genesis_validators_root: Eth2Digest,
|
||||
voluntary_exit: VoluntaryExit,
|
||||
pubkey: ValidatorPubKey,
|
||||
signature: SomeSig): bool =
|
||||
withTrust(signature):
|
||||
let
|
||||
domain = get_domain(
|
||||
|
|
|
@ -157,6 +157,11 @@ proc sendAttestation*(
|
|||
|
||||
beacon_attestations_sent.inc()
|
||||
|
||||
proc sendVoluntaryExit*(node: BeaconNode, exit: SignedVoluntaryExit) =
|
||||
node.network.broadcast(
|
||||
getVoluntaryExitsTopic(node.forkDIgest),
|
||||
exit)
|
||||
|
||||
proc sendAttestation*(node: BeaconNode, attestation: Attestation) =
|
||||
# For the validator API, which doesn't supply num_active_validators.
|
||||
let attestationBlck =
|
||||
|
|
Loading…
Reference in New Issue