1210 lines
40 KiB
Nim
1210 lines
40 KiB
Nim
# Copyright (c) 2018-2021 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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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 std/typetraits
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import stew/[results, base10, byteutils, endians2], presto/common,
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libp2p/peerid, serialization,
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json_serialization, json_serialization/std/[options, net],
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nimcrypto/utils as ncrutils
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import ".."/forks, ".."/datatypes/[phase0, altair, merge],
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".."/".."/ssz/ssz_serialization,
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"."/rest_types
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export
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results, peerid, common, serialization, json_serialization, options, net,
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rest_types
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Json.createFlavor RestJson
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const
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DecimalSet = {'0' .. '9'}
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# Base10 (decimal) set of chars
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ValidatorKeySize = RawPubKeySize * 2
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# Size of `ValidatorPubKey` hexadecimal value (without 0x)
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ValidatorSigSize = RawSigSize * 2
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# Size of `ValidatorSig` hexadecimal value (without 0x)
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RootHashSize = sizeof(Eth2Digest) * 2
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# Size of `xxx_root` hexadecimal value (without 0x)
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Phase0Version =
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[byte('p'), byte('h'), byte('a'), byte('s'), byte('e'), byte('0')]
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AltairVersion =
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[byte('a'), byte('l'), byte('t'), byte('a'), byte('i'), byte('r')]
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type
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RestGenericError* = object
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code*: uint64
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message*: string
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stacktraces*: Option[seq[string]]
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RestAttestationError* = object
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code*: uint64
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message*: string
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failures*: seq[RestAttestationsFailure]
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EncodeTypes* =
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AttesterSlashing |
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ProposerSlashing |
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phase0.SignedBeaconBlock |
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altair.SignedBeaconBlock |
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SignedVoluntaryExit
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EncodeArrays* =
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seq[ValidatorIndex] |
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seq[Attestation] |
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seq[SignedAggregateAndProof] |
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seq[RestCommitteeSubscription]
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DecodeTypes* =
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DataEnclosedObject |
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GetBlockV2Response |
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ProduceBlockResponseV2 |
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DataMetaEnclosedObject |
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DataRootEnclosedObject |
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RestAttestationError |
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RestGenericError
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{.push raises: [Defect].}
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proc prepareJsonResponse*(t: typedesc[RestApiResponse], d: auto): seq[byte] =
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let res =
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block:
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var default: seq[byte]
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try:
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var stream = memoryOutput()
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var writer = JsonWriter[RestJson].init(stream)
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writer.beginRecord()
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writer.writeField("data", d)
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writer.endRecord()
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stream.getOutput(seq[byte])
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except SerializationError:
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default
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except IOError:
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default
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res
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proc prepareJsonStringResponse*(t: typedesc[RestApiResponse], d: auto): string =
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let res =
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block:
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var default: string
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try:
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var stream = memoryOutput()
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var writer = JsonWriter[RestJson].init(stream)
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writer.writeValue(d)
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stream.getOutput(string)
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except SerializationError:
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default
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except IOError:
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default
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res
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proc jsonResponseWRoot*(t: typedesc[RestApiResponse], data: auto,
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dependent_root: Eth2Digest): RestApiResponse =
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let res =
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block:
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var default: seq[byte]
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try:
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var stream = memoryOutput()
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var writer = JsonWriter[RestJson].init(stream)
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writer.beginRecord()
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writer.writeField("dependent_root", dependent_root)
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writer.writeField("data", data)
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writer.endRecord()
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stream.getOutput(seq[byte])
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except SerializationError:
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default
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except IOError:
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default
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RestApiResponse.response(res, Http200, "application/json")
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proc jsonResponse*(t: typedesc[RestApiResponse], data: auto): RestApiResponse =
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let res =
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block:
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var default: seq[byte]
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try:
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var stream = memoryOutput()
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var writer = JsonWriter[RestJson].init(stream)
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writer.beginRecord()
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writer.writeField("data", data)
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writer.endRecord()
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stream.getOutput(seq[byte])
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except SerializationError:
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default
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except IOError:
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default
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RestApiResponse.response(res, Http200, "application/json")
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proc jsonResponsePlain*(t: typedesc[RestApiResponse],
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data: auto): RestApiResponse =
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let res =
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block:
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var default: seq[byte]
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try:
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var stream = memoryOutput()
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var writer = JsonWriter[RestJson].init(stream)
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writer.writeValue(data)
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stream.getOutput(seq[byte])
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except SerializationError:
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default
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except IOError:
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default
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RestApiResponse.response(res, Http200, "application/json")
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proc jsonResponseWMeta*(t: typedesc[RestApiResponse],
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data: auto, meta: auto): RestApiResponse =
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let res =
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block:
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var default: seq[byte]
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try:
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var stream = memoryOutput()
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var writer = JsonWriter[RestJson].init(stream)
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writer.beginRecord()
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writer.writeField("data", data)
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writer.writeField("meta", meta)
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writer.endRecord()
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stream.getOutput(seq[byte])
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except SerializationError:
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default
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except IOError:
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default
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RestApiResponse.response(res, Http200, "application/json")
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proc jsonMsgResponse*(t: typedesc[RestApiResponse],
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msg: string = ""): RestApiResponse =
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let data =
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block:
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var default: seq[byte]
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try:
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var defstrings: seq[string]
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var stream = memoryOutput()
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var writer = JsonWriter[RestJson].init(stream)
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writer.beginRecord()
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writer.writeField("code", "200")
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writer.writeField("message", msg)
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writer.writeField("stacktrace", defstrings)
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writer.endRecord()
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stream.getOutput(seq[byte])
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except SerializationError:
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default
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except IOError:
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default
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RestApiResponse.response(data, Http200, "application/json")
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proc jsonError*(t: typedesc[RestApiResponse], status: HttpCode = Http200,
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msg: string = ""): RestApiResponse =
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let data =
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block:
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var default: string
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try:
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var defstrings: seq[string]
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var stream = memoryOutput()
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var writer = JsonWriter[RestJson].init(stream)
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writer.beginRecord()
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writer.writeField("code", Base10.toString(uint64(status.toInt())))
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writer.writeField("message", msg)
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writer.writeField("stacktrace", defstrings)
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writer.endRecord()
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stream.getOutput(string)
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except SerializationError:
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default
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except IOError:
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default
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RestApiResponse.error(status, data, "application/json")
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proc jsonError*(t: typedesc[RestApiResponse], status: HttpCode = Http200,
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msg: string = "", stacktrace: string): RestApiResponse =
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let data =
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block:
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var default: string
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try:
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var defstrings: seq[string]
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var stream = memoryOutput()
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var writer = JsonWriter[RestJson].init(stream)
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writer.beginRecord()
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writer.writeField("code", Base10.toString(uint64(status.toInt())))
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writer.writeField("message", msg)
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if len(stacktrace) > 0:
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writer.writeField("stacktrace", [stacktrace])
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else:
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writer.writeField("stacktrace", defstrings)
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writer.endRecord()
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stream.getOutput(string)
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except SerializationError:
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default
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except IOError:
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default
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RestApiResponse.error(status, data, "application/json")
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proc jsonError*(t: typedesc[RestApiResponse], status: HttpCode = Http200,
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msg: string = "",
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stacktraces: openarray[string]): RestApiResponse =
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let data =
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block:
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var default: string
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try:
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var stream = memoryOutput()
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var writer = JsonWriter[RestJson].init(stream)
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writer.beginRecord()
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writer.writeField("code", Base10.toString(uint64(status.toInt())))
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writer.writeField("message", msg)
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writer.writeField("stacktrace", stacktraces)
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writer.endRecord()
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stream.getOutput(string)
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except SerializationError:
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default
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except IOError:
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default
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RestApiResponse.error(status, data, "application/json")
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proc jsonErrorList*(t: typedesc[RestApiResponse],
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status: HttpCode = Http200,
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msg: string = "", failures: auto): RestApiResponse =
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let data =
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block:
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var default: string
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try:
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var stream = memoryOutput()
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var writer = JsonWriter[RestJson].init(stream)
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writer.beginRecord()
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writer.writeField("code", Base10.toString(uint64(status.toInt())))
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writer.writeField("message", msg)
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writer.writeField("failures", failures)
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writer.endRecord()
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stream.getOutput(string)
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except SerializationError:
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default
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except IOError:
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default
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RestApiResponse.error(status, data, "application/json")
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proc sszResponse*(t: typedesc[RestApiResponse], data: auto): RestApiResponse =
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let res =
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block:
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var default: seq[byte]
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try:
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var stream = memoryOutput()
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var writer = SszWriter.init(stream)
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writer.writeValue(data)
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stream.getOutput(seq[byte])
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except SerializationError:
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default
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except IOError:
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default
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RestApiResponse.response(res, Http200, "application/octet-stream")
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template hexOriginal(data: openarray[byte]): string =
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"0x" & ncrutils.toHex(data, true)
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## uint64
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proc writeValue*(w: var JsonWriter[RestJson], value: uint64) {.
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raises: [IOError, Defect].} =
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writeValue(w, Base10.toString(value))
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proc readValue*(reader: var JsonReader[RestJson], value: var uint64) {.
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raises: [IOError, SerializationError, Defect].} =
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let svalue = reader.readValue(string)
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let res = Base10.decode(uint64, svalue)
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if res.isOk():
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value = res.get()
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else:
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reader.raiseUnexpectedValue($res.error())
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## byte
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proc writeValue*(w: var JsonWriter[RestJson], value: byte) {.
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raises: [IOError, Defect].} =
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var data: array[1, byte]
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data[0] = value
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writeValue(w, hexOriginal(data))
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proc readValue*(reader: var JsonReader[RestJson], value: var byte) {.
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raises: [IOError, SerializationError, Defect].} =
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var data: array[1, byte]
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try:
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hexToByteArray(reader.readValue(string), data)
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value = data[0]
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except ValueError:
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raiseUnexpectedValue(reader,
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"byte value should be a valid hex string")
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## DomainType
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proc writeValue*(w: var JsonWriter[RestJson], value: DomainType) {.
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raises: [IOError, Defect].} =
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writeValue(w, hexOriginal(uint32(value).toBytesLE()))
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proc readValue*(reader: var JsonReader[RestJson], value: var DomainType) {.
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raises: [IOError, SerializationError, Defect].} =
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var data: array[4, byte]
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try:
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hexToByteArray(reader.readValue(string), data)
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let res = uint32.fromBytesLE(data)
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if res >= uint32(low(DomainType)) and res <= uint32(high(DomainType)):
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value = cast[DomainType](res)
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else:
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raiseUnexpectedValue(reader, "Incorrect DomainType value")
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except ValueError:
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raiseUnexpectedValue(reader,
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"DomainType value should be a valid hex string")
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## Slot
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proc writeValue*(writer: var JsonWriter[RestJson], value: Slot) {.
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raises: [IOError, Defect].} =
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writeValue(writer, Base10.toString(uint64(value)))
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proc readValue*(reader: var JsonReader[RestJson], value: var Slot) {.
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raises: [IOError, SerializationError, Defect].} =
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let svalue = reader.readValue(string)
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let res = Base10.decode(uint64, svalue)
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if res.isOk():
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value = Slot(res.get())
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else:
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reader.raiseUnexpectedValue($res.error())
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## Epoch
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proc writeValue*(writer: var JsonWriter[RestJson], value: Epoch) {.
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raises: [IOError, Defect].} =
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writeValue(writer, Base10.toString(uint64(value)))
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proc readValue*(reader: var JsonReader[RestJson], value: var Epoch) {.
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raises: [IOError, SerializationError, Defect].} =
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let svalue = reader.readValue(string)
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let res = Base10.decode(uint64, svalue)
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if res.isOk():
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value = Epoch(res.get())
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else:
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reader.raiseUnexpectedValue($res.error())
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## ValidatorIndex
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proc writeValue*(writer: var JsonWriter[RestJson], value: ValidatorIndex) {.
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raises: [IOError, Defect].} =
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writeValue(writer, Base10.toString(uint64(value)))
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proc readValue*(reader: var JsonReader[RestJson], value: var ValidatorIndex) {.
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raises: [IOError, SerializationError, Defect].} =
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let svalue = reader.readValue(string)
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let res = Base10.decode(uint64, svalue)
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if res.isOk():
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let v = res.get()
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if v < VALIDATOR_REGISTRY_LIMIT:
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value = ValidatorIndex(v)
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else:
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reader.raiseUnexpectedValue(
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"Validator index is bigger then VALIDATOR_REGISTRY_LIMIT")
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else:
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reader.raiseUnexpectedValue($res.error())
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## RestValidatorIndex
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proc writeValue*(writer: var JsonWriter[RestJson],
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value: RestValidatorIndex) {.
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raises: [IOError, Defect].} =
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writeValue(writer, Base10.toString(uint64(value)))
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proc readValue*(reader: var JsonReader[RestJson],
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value: var RestValidatorIndex) {.
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raises: [IOError, SerializationError, Defect].} =
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let svalue = reader.readValue(string)
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let res = Base10.decode(uint64, svalue)
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if res.isOk():
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let v = res.get()
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value = RestValidatorIndex(v)
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else:
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reader.raiseUnexpectedValue($res.error())
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## CommitteeIndex
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proc writeValue*(writer: var JsonWriter[RestJson], value: CommitteeIndex) {.
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raises: [IOError, Defect].} =
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writeValue(writer, Base10.toString(uint64(value)))
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proc readValue*(reader: var JsonReader[RestJson], value: var CommitteeIndex) {.
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raises: [IOError, SerializationError, Defect].} =
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let svalue = reader.readValue(string)
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let res = Base10.decode(uint64, svalue)
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if res.isOk():
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value = CommitteeIndex(res.get())
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else:
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reader.raiseUnexpectedValue($res.error())
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## ValidatorSig
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proc writeValue*(writer: var JsonWriter[RestJson], value: ValidatorSig) {.
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raises: [IOError, Defect].} =
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writeValue(writer, hexOriginal(toRaw(value)))
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proc readValue*(reader: var JsonReader[RestJson], value: var ValidatorSig) {.
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raises: [IOError, SerializationError, Defect].} =
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let hexValue = reader.readValue(string)
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let res = ValidatorSig.fromHex(hexValue)
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if res.isOk():
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value = res.get()
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else:
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reader.raiseUnexpectedValue($res.error())
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## TrustedSig
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proc writeValue*(writer: var JsonWriter[RestJson], value: TrustedSig) {.
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raises: [IOError, Defect].} =
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writeValue(writer, hexOriginal(toRaw(value)))
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proc readValue*(reader: var JsonReader[RestJson], value: var TrustedSig) {.
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raises: [IOError, SerializationError, Defect].} =
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let hexValue = reader.readValue(string)
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let res = ValidatorSig.fromHex(hexValue)
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if res.isOk():
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value = cast[TrustedSig](res.get())
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else:
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reader.raiseUnexpectedValue($res.error())
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## ValidatorPubKey
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proc writeValue*(writer: var JsonWriter[RestJson], value: ValidatorPubKey) {.
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raises: [IOError, Defect].} =
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writeValue(writer, hexOriginal(toRaw(value)))
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proc readValue*(reader: var JsonReader[RestJson], value: var ValidatorPubKey) {.
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raises: [IOError, SerializationError, Defect].} =
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let hexValue = reader.readValue(string)
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let res = ValidatorPubKey.fromHex(hexValue)
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if res.isOk():
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value = res.get()
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else:
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reader.raiseUnexpectedValue($res.error())
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## BitSeq
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proc readValue*(reader: var JsonReader[RestJson], value: var BitSeq) {.
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raises: [IOError, SerializationError, Defect].} =
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try:
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value = BitSeq hexToSeqByte(reader.readValue(string))
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except ValueError:
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raiseUnexpectedValue(reader, "A BitSeq value should be a valid hex string")
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proc writeValue*(writer: var JsonWriter[RestJson], value: BitSeq) {.
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raises: [IOError, Defect].} =
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writeValue(writer, hexOriginal(value.bytes()))
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## BitList
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proc readValue*(reader: var JsonReader[RestJson], value: var BitList) {.
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raises: [IOError, SerializationError, Defect].} =
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type T = type(value)
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value = T readValue(reader, BitSeq)
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|
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proc writeValue*(writer: var JsonWriter[RestJson], value: BitList) {.
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|
raises: [IOError, Defect].} =
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writeValue(writer, BitSeq value)
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|
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## BitArray
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|
proc readValue*(reader: var JsonReader[RestJson], value: var BitArray) {.
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|
raises: [IOError, SerializationError, Defect].} =
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try:
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hexToByteArray(readValue(reader, string), value.bytes)
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|
except ValueError:
|
|
raiseUnexpectedValue(reader,
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|
"A BitArray value should be a valid hex string")
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|
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proc writeValue*(writer: var JsonWriter[RestJson], value: BitArray) {.
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|
raises: [IOError, Defect].} =
|
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writeValue(writer, hexOriginal(value.bytes))
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|
|
## Eth2Digest
|
|
proc readValue*(reader: var JsonReader[RestJson], value: var Eth2Digest) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
try:
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|
hexToByteArray(reader.readValue(string), value.data)
|
|
except ValueError:
|
|
raiseUnexpectedValue(reader,
|
|
"Eth2Digest value should be a valid hex string")
|
|
|
|
proc writeValue*(writer: var JsonWriter[RestJson], value: Eth2Digest) {.
|
|
raises: [IOError, Defect].} =
|
|
writeValue(writer, hexOriginal(value.data))
|
|
|
|
## BloomLogs
|
|
proc readValue*(reader: var JsonReader[RestJson], value: var BloomLogs) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
try:
|
|
hexToByteArray(reader.readValue(string), value.data)
|
|
except ValueError:
|
|
raiseUnexpectedValue(reader,
|
|
"BloomLogs value should be a valid hex string")
|
|
|
|
proc writeValue*(writer: var JsonWriter[RestJson], value: BloomLogs) {.
|
|
raises: [IOError, Defect].} =
|
|
writeValue(writer, hexOriginal(value.data))
|
|
|
|
## HashArray
|
|
proc readValue*(reader: var JsonReader[RestJson], value: var HashArray) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
readValue(reader, value.data)
|
|
|
|
proc writeValue*(writer: var JsonWriter[RestJson], value: HashArray) {.
|
|
raises: [IOError, Defect].} =
|
|
writeValue(writer, value.data)
|
|
|
|
## HashList
|
|
proc readValue*(reader: var JsonReader[RestJson], value: var HashList) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
readValue(reader, value.data)
|
|
value.resetCache()
|
|
|
|
proc writeValue*(writer: var JsonWriter[RestJson], value: HashList) {.
|
|
raises: [IOError, Defect].} =
|
|
writeValue(writer, value.data)
|
|
|
|
## Eth1Address
|
|
proc readValue*(reader: var JsonReader[RestJson], value: var Eth1Address) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
try:
|
|
hexToByteArray(reader.readValue(string), distinctBase(value))
|
|
except ValueError:
|
|
raiseUnexpectedValue(reader,
|
|
"Eth1Address value should be a valid hex string")
|
|
|
|
proc writeValue*(writer: var JsonWriter[RestJson], value: Eth1Address) {.
|
|
raises: [IOError, Defect].} =
|
|
writeValue(writer, hexOriginal(distinctBase(value)))
|
|
|
|
## Version
|
|
proc readValue*(reader: var JsonReader[RestJson], value: var Version) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
try:
|
|
hexToByteArray(reader.readValue(string), distinctBase(value))
|
|
except ValueError:
|
|
raiseUnexpectedValue(reader,
|
|
"Version value should be a valid hex string")
|
|
|
|
proc writeValue*(writer: var JsonWriter[RestJson], value: Version) {.
|
|
raises: [IOError, Defect].} =
|
|
writeValue(writer, hexOriginal(distinctBase(value)))
|
|
|
|
## ForkDigest
|
|
proc readValue*(reader: var JsonReader[RestJson], value: var ForkDigest) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
try:
|
|
hexToByteArray(reader.readValue(string), distinctBase(value))
|
|
except ValueError:
|
|
raiseUnexpectedValue(reader,
|
|
"ForkDigest value should be a valid hex string")
|
|
|
|
proc writeValue*(writer: var JsonWriter[RestJson], value: ForkDigest) {.
|
|
raises: [IOError, Defect].} =
|
|
writeValue(writer, hexOriginal(distinctBase(value)))
|
|
|
|
## GraffitiBytes
|
|
proc readValue*(reader: var JsonReader[RestJson], value: var GraffitiBytes) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
try:
|
|
hexToByteArray(reader.readValue(string), distinctBase(value))
|
|
except ValueError:
|
|
raiseUnexpectedValue(reader,
|
|
"GraffitiBytes value should be a valid hex string")
|
|
|
|
proc writeValue*(writer: var JsonWriter[RestJson], value: GraffitiBytes) {.
|
|
raises: [IOError, Defect].} =
|
|
writeValue(writer, hexOriginal(distinctBase(value)))
|
|
|
|
## ForkedBeaconBlock
|
|
proc readValue*(reader: var JsonReader[RestJson],
|
|
value: var ForkedBeaconBlock) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
var
|
|
version: Option[BeaconBlockFork]
|
|
data: Option[JsonString]
|
|
|
|
for fieldName in readObjectFields(reader):
|
|
case fieldName
|
|
of "version":
|
|
if version.isSome():
|
|
reader.raiseUnexpectedField("Multiple version fields found",
|
|
"ForkedBeaconBlock")
|
|
let vres = reader.readValue(string)
|
|
case vres
|
|
of "phase0":
|
|
version = some(BeaconBlockFork.Phase0)
|
|
of "altair":
|
|
version = some(BeaconBlockFork.Altair)
|
|
else:
|
|
reader.raiseUnexpectedValue("Incorrect version field value")
|
|
of "data":
|
|
if data.isSome():
|
|
reader.raiseUnexpectedField("Multiple data fields found",
|
|
"ForkedBeaconBlock")
|
|
data = some(reader.readValue(JsonString))
|
|
else:
|
|
reader.raiseUnexpectedField(fieldName, "ForkedBeaconBlock")
|
|
|
|
if version.isNone():
|
|
reader.raiseUnexpectedValue("Field version is missing")
|
|
if data.isNone():
|
|
reader.raiseUnexpectedValue("Field data is missing")
|
|
|
|
case version.get():
|
|
of BeaconBlockFork.Phase0:
|
|
let res =
|
|
try:
|
|
some(RestJson.decode(string(data.get()), phase0.BeaconBlock,
|
|
requireAllFields = true))
|
|
except SerializationError:
|
|
none[phase0.BeaconBlock]()
|
|
if res.isNone():
|
|
reader.raiseUnexpectedValue("Incorrect phase0 block format")
|
|
value = ForkedBeaconBlock.init(res.get())
|
|
of BeaconBlockFork.Altair:
|
|
let res =
|
|
try:
|
|
some(RestJson.decode(string(data.get()), altair.BeaconBlock,
|
|
requireAllFields = true))
|
|
except SerializationError:
|
|
none[altair.BeaconBlock]()
|
|
if res.isNone():
|
|
reader.raiseUnexpectedValue("Incorrect altair block format")
|
|
value = ForkedBeaconBlock.init(res.get())
|
|
|
|
proc writeValue*(writer: var JsonWriter[RestJson], value: ForkedBeaconBlock) {.
|
|
raises: [IOError, Defect].} =
|
|
writer.beginRecord()
|
|
case value.kind
|
|
of BeaconBlockFork.Phase0:
|
|
writer.writeField("version", "phase0")
|
|
writer.writeField("data", value.phase0Block)
|
|
of BeaconBlockFork.Altair:
|
|
writer.writeField("version", "altair")
|
|
writer.writeField("data", value.altairBlock)
|
|
writer.endRecord()
|
|
|
|
## ForkedSignedBeaconBlock
|
|
proc readValue*(reader: var JsonReader[RestJson],
|
|
value: var ForkedSignedBeaconBlock) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
var
|
|
version: Option[BeaconBlockFork]
|
|
data: Option[JsonString]
|
|
|
|
for fieldName in readObjectFields(reader):
|
|
case fieldName
|
|
of "version":
|
|
if version.isSome():
|
|
reader.raiseUnexpectedField("Multiple version fields found",
|
|
"ForkedSignedBeaconBlock")
|
|
let vres = reader.readValue(string)
|
|
case vres
|
|
of "phase0":
|
|
version = some(BeaconBlockFork.Phase0)
|
|
of "altair":
|
|
version = some(BeaconBlockFork.Altair)
|
|
else:
|
|
reader.raiseUnexpectedValue("Incorrect version field value")
|
|
of "data":
|
|
if data.isSome():
|
|
reader.raiseUnexpectedField("Multiple data fields found",
|
|
"ForkedSignedBeaconBlock")
|
|
data = some(reader.readValue(JsonString))
|
|
else:
|
|
reader.raiseUnexpectedField(fieldName, "ForkedSignedBeaconBlock")
|
|
|
|
if version.isNone():
|
|
reader.raiseUnexpectedValue("Field version is missing")
|
|
if data.isNone():
|
|
reader.raiseUnexpectedValue("Field data is missing")
|
|
|
|
case version.get():
|
|
of BeaconBlockFork.Phase0:
|
|
let res =
|
|
try:
|
|
some(RestJson.decode(string(data.get()), phase0.SignedBeaconBlock,
|
|
requireAllFields = true))
|
|
except SerializationError:
|
|
none[phase0.SignedBeaconBlock]()
|
|
if res.isNone():
|
|
reader.raiseUnexpectedValue("Incorrect phase0 block format")
|
|
value = ForkedSignedBeaconBlock.init(res.get())
|
|
of BeaconBlockFork.Altair:
|
|
let res =
|
|
try:
|
|
some(RestJson.decode(string(data.get()), altair.SignedBeaconBlock,
|
|
requireAllFields = true))
|
|
except SerializationError:
|
|
none[altair.SignedBeaconBlock]()
|
|
if res.isNone():
|
|
reader.raiseUnexpectedValue("Incorrect altair block format")
|
|
value = ForkedSignedBeaconBlock.init(res.get())
|
|
|
|
proc writeValue*(writer: var JsonWriter[RestJson],
|
|
value: ForkedSignedBeaconBlock) {.
|
|
raises: [IOError, Defect].} =
|
|
writer.beginRecord()
|
|
case value.kind
|
|
of BeaconBlockFork.Phase0:
|
|
writer.writeField("version", "phase0")
|
|
writer.writeField("data", value.phase0Block)
|
|
of BeaconBlockFork.Altair:
|
|
writer.writeField("version", "altair")
|
|
writer.writeField("data", value.altairBlock)
|
|
writer.endRecord()
|
|
|
|
# ForkedBeaconState
|
|
proc readValue*(reader: var JsonReader[RestJson],
|
|
value: var ForkedBeaconState) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
var
|
|
version: Option[BeaconStateFork]
|
|
data: Option[JsonString]
|
|
|
|
for fieldName in readObjectFields(reader):
|
|
case fieldName
|
|
of "version":
|
|
if version.isSome():
|
|
reader.raiseUnexpectedField("Multiple version fields found",
|
|
"ForkedBeaconState")
|
|
let vres = reader.readValue(string)
|
|
case vres
|
|
of "phase0":
|
|
version = some(BeaconStateFork.forkPhase0)
|
|
of "altair":
|
|
version = some(BeaconStateFork.forkAltair)
|
|
else:
|
|
reader.raiseUnexpectedValue("Incorrect version field value")
|
|
of "data":
|
|
if data.isSome():
|
|
reader.raiseUnexpectedField("Multiple data fields found",
|
|
"ForkedBeaconState")
|
|
data = some(reader.readValue(JsonString))
|
|
else:
|
|
reader.raiseUnexpectedField(fieldName, "ForkedBeaconState")
|
|
|
|
if version.isNone():
|
|
reader.raiseUnexpectedValue("Field version is missing")
|
|
if data.isNone():
|
|
reader.raiseUnexpectedValue("Field data is missing")
|
|
|
|
case version.get():
|
|
of BeaconStateFork.forkPhase0:
|
|
let res =
|
|
try:
|
|
some(RestJson.decode(string(data.get()), phase0.BeaconState,
|
|
requireAllFields = true))
|
|
except SerializationError:
|
|
none[phase0.BeaconState]()
|
|
if res.isNone():
|
|
reader.raiseUnexpectedValue("Incorrect phase0 beacon state format")
|
|
value = ForkedBeaconState.init(res.get())
|
|
of BeaconStateFork.forkAltair:
|
|
let res =
|
|
try:
|
|
some(RestJson.decode(string(data.get()), altair.BeaconState,
|
|
requireAllFields = true))
|
|
except SerializationError:
|
|
none[altair.BeaconState]()
|
|
if res.isNone():
|
|
reader.raiseUnexpectedValue("Incorrect altair beacon state format")
|
|
value = ForkedBeaconState.init(res.get())
|
|
|
|
proc writeValue*(writer: var JsonWriter[RestJson], value: ForkedBeaconState) {.
|
|
raises: [IOError, Defect].} =
|
|
writer.beginRecord()
|
|
case value.beaconStateFork
|
|
of BeaconStateFork.forkPhase0:
|
|
writer.writeField("version", "phase0")
|
|
writer.writeField("data", value.bsPhase0)
|
|
of BeaconStateFork.forkAltair:
|
|
writer.writeField("version", "altair")
|
|
writer.writeField("data", value.bsAltair)
|
|
writer.endRecord()
|
|
|
|
template toSszType*(v: BeaconBlockFork): auto =
|
|
case v
|
|
of BeaconBlockFork.Phase0: Phase0Version
|
|
of BeaconBlockFork.Altair: AltairVersion
|
|
|
|
template toSszType*(v: BeaconStateFork): auto =
|
|
case v
|
|
of BeaconStateFork.forkPhase0: Phase0Version
|
|
of BeaconStateFork.forkAltair: AltairVersion
|
|
|
|
# SyncCommitteeIndex
|
|
proc writeValue*(writer: var JsonWriter[RestJson],
|
|
value: SyncCommitteeIndex) {.
|
|
raises: [IOError, Defect].} =
|
|
writeValue(writer, Base10.toString(uint8(value)))
|
|
|
|
proc readValue*(reader: var JsonReader[RestJson],
|
|
value: var SyncCommitteeIndex) {.
|
|
raises: [IOError, SerializationError, Defect].} =
|
|
let res = Base10.decode(uint8, reader.readValue(string))
|
|
if res.isOk():
|
|
# TODO (cheatfate): Here should be present check for maximum value.
|
|
value = SyncCommitteeIndex(res.get())
|
|
else:
|
|
reader.raiseUnexpectedValue($res.error())
|
|
|
|
proc parseRoot(value: string): Result[Eth2Digest, cstring] =
|
|
try:
|
|
ok(Eth2Digest(data: hexToByteArray[32](value)))
|
|
except ValueError:
|
|
err("Unable to decode root value")
|
|
|
|
proc decodeBody*[T](t: typedesc[T],
|
|
body: ContentBody): Result[T, cstring] =
|
|
if body.contentType != "application/json":
|
|
return err("Unsupported content type")
|
|
let data =
|
|
try:
|
|
RestJson.decode(cast[string](body.data), T)
|
|
except SerializationError:
|
|
return err("Unable to deserialize data")
|
|
except CatchableError:
|
|
return err("Unexpected deserialization error")
|
|
ok(data)
|
|
|
|
RestJson.useCustomSerialization(phase0.BeaconState.justification_bits):
|
|
read:
|
|
let s = reader.readValue(string)
|
|
if s.len != 4:
|
|
raiseUnexpectedValue(reader, "A string with 4 characters expected")
|
|
try:
|
|
hexToByteArray(s, 1)[0]
|
|
except ValueError:
|
|
raiseUnexpectedValue(reader,
|
|
"The `justification_bits` value must be a hex string")
|
|
write:
|
|
writer.writeValue "0x" & toHex([value])
|
|
|
|
proc encodeBytes*[T: EncodeTypes](value: T,
|
|
contentType: string): RestResult[seq[byte]] =
|
|
case contentType
|
|
of "application/json":
|
|
let data =
|
|
block:
|
|
try:
|
|
var stream = memoryOutput()
|
|
var writer = JsonWriter[RestJson].init(stream)
|
|
writer.writeValue(value)
|
|
stream.getOutput(seq[byte])
|
|
except IOError:
|
|
return err("Input/output error")
|
|
except SerializationError:
|
|
return err("Serialization error")
|
|
ok(data)
|
|
else:
|
|
err("Content-Type not supported")
|
|
|
|
proc encodeBytes*[T: EncodeArrays](value: T,
|
|
contentType: string): RestResult[seq[byte]] =
|
|
case contentType
|
|
of "application/json":
|
|
let data =
|
|
block:
|
|
try:
|
|
var stream = memoryOutput()
|
|
var writer = JsonWriter[RestJson].init(stream)
|
|
writer.writeArray(value)
|
|
stream.getOutput(seq[byte])
|
|
except IOError:
|
|
return err("Input/output error")
|
|
except SerializationError:
|
|
return err("Serialization error")
|
|
ok(data)
|
|
else:
|
|
err("Content-Type not supported")
|
|
|
|
proc decodeBytes*[T: DecodeTypes](t: typedesc[T], value: openarray[byte],
|
|
contentType: string): RestResult[T] =
|
|
case contentType
|
|
of "application/json":
|
|
try:
|
|
ok RestJson.decode(value, T)
|
|
except SerializationError as exc:
|
|
err("Serialization error")
|
|
else:
|
|
err("Content-Type not supported")
|
|
|
|
proc encodeString*(value: string): RestResult[string] =
|
|
ok(value)
|
|
|
|
proc encodeString*(value: Epoch|Slot|CommitteeIndex): RestResult[string] =
|
|
ok(Base10.toString(uint64(value)))
|
|
|
|
proc encodeString*(value: ValidatorSig): RestResult[string] =
|
|
ok(hexOriginal(toRaw(value)))
|
|
|
|
proc encodeString*(value: GraffitiBytes): RestResult[string] =
|
|
ok(hexOriginal(distinctBase(value)))
|
|
|
|
proc encodeString*(value: Eth2Digest): RestResult[string] =
|
|
ok(hexOriginal(value.data))
|
|
|
|
proc encodeString*(value: ValidatorIdent): RestResult[string] =
|
|
case value.kind
|
|
of ValidatorQueryKind.Index:
|
|
ok(Base10.toString(uint64(value.index)))
|
|
of ValidatorQueryKind.Key:
|
|
ok(hexOriginal(toRaw(value.key)))
|
|
|
|
proc encodeString*(value: StateIdent): RestResult[string] =
|
|
case value.kind
|
|
of StateQueryKind.Slot:
|
|
ok(Base10.toString(uint64(value.slot)))
|
|
of StateQueryKind.Root:
|
|
ok(hexOriginal(value.root.data))
|
|
of StateQueryKind.Named:
|
|
case value.value
|
|
of StateIdentType.Head:
|
|
ok("head")
|
|
of StateIdentType.Genesis:
|
|
ok("genesis")
|
|
of StateIdentType.Finalized:
|
|
ok("finalized")
|
|
of StateIdentType.Justified:
|
|
ok("justified")
|
|
|
|
proc encodeString*(value: BlockIdent): RestResult[string] =
|
|
case value.kind
|
|
of BlockQueryKind.Slot:
|
|
ok(Base10.toString(uint64(value.slot)))
|
|
of BlockQueryKind.Root:
|
|
ok(hexOriginal(value.root.data))
|
|
of BlockQueryKind.Named:
|
|
case value.value
|
|
of BlockIdentType.Head:
|
|
ok("head")
|
|
of BlockIdentType.Genesis:
|
|
ok("genesis")
|
|
of BlockIdentType.Finalized:
|
|
ok("finalized")
|
|
|
|
proc decodeString*(t: typedesc[PeerStateKind],
|
|
value: string): Result[PeerStateKind, cstring] =
|
|
case value
|
|
of "disconnected":
|
|
ok(PeerStateKind.Disconnected)
|
|
of "connecting":
|
|
ok(PeerStateKind.Connecting)
|
|
of "connected":
|
|
ok(PeerStateKind.Connected)
|
|
of "disconnecting":
|
|
ok(PeerStateKind.Disconnecting)
|
|
else:
|
|
err("Incorrect peer's state value")
|
|
|
|
proc encodeString*(value: PeerStateKind): Result[string, cstring] =
|
|
case value
|
|
of PeerStateKind.Disconnected:
|
|
ok("disconnected")
|
|
of PeerStateKind.Connecting:
|
|
ok("connecting")
|
|
of PeerStateKind.Connected:
|
|
ok("connected")
|
|
of PeerStateKind.Disconnecting:
|
|
ok("disconnecting")
|
|
|
|
proc decodeString*(t: typedesc[PeerDirectKind],
|
|
value: string): Result[PeerDirectKind, cstring] =
|
|
case value
|
|
of "inbound":
|
|
ok(PeerDirectKind.Inbound)
|
|
of "outbound":
|
|
ok(PeerDirectKind.Outbound)
|
|
else:
|
|
err("Incorrect peer's direction value")
|
|
|
|
proc encodeString*(value: PeerDirectKind): Result[string, cstring] =
|
|
case value
|
|
of PeerDirectKind.Inbound:
|
|
ok("inbound")
|
|
of PeerDirectKind.Outbound:
|
|
ok("outbound")
|
|
|
|
proc encodeString*(peerid: PeerID): Result[string, cstring] =
|
|
ok($peerid)
|
|
|
|
proc decodeString*(t: typedesc[EventTopic],
|
|
value: string): Result[EventTopic, cstring] =
|
|
case value
|
|
of "head":
|
|
ok(EventTopic.Head)
|
|
of "block":
|
|
ok(EventTopic.Block)
|
|
of "attestation":
|
|
ok(EventTopic.Attestation)
|
|
of "voluntary_exit":
|
|
ok(EventTopic.VoluntaryExit)
|
|
of "finalized_checkpoint":
|
|
ok(EventTopic.FinalizedCheckpoint)
|
|
of "chain_reorg":
|
|
ok(EventTopic.ChainReorg)
|
|
of "contribution_and_proof":
|
|
ok(EventTopic.ContributionAndProof)
|
|
else:
|
|
err("Incorrect event's topic value")
|
|
|
|
proc decodeString*(t: typedesc[ValidatorSig],
|
|
value: string): Result[ValidatorSig, cstring] =
|
|
if len(value) != ValidatorSigSize + 2:
|
|
return err("Incorrect validator signature value length")
|
|
if value[0] != '0' and value[1] != 'x':
|
|
return err("Incorrect validator signature encoding")
|
|
ValidatorSig.fromHex(value)
|
|
|
|
proc decodeString*(t: typedesc[GraffitiBytes],
|
|
value: string): Result[GraffitiBytes, cstring] =
|
|
try:
|
|
ok(GraffitiBytes.init(value))
|
|
except ValueError:
|
|
err("Unable to decode graffiti value")
|
|
|
|
proc decodeString*(t: typedesc[string],
|
|
value: string): Result[string, cstring] =
|
|
ok(value)
|
|
|
|
proc decodeString*(t: typedesc[Slot], value: string): Result[Slot, cstring] =
|
|
let res = ? Base10.decode(uint64, value)
|
|
ok(Slot(res))
|
|
|
|
proc decodeString*(t: typedesc[Epoch], value: string): Result[Epoch, cstring] =
|
|
let res = ? Base10.decode(uint64, value)
|
|
ok(Epoch(res))
|
|
|
|
proc decodeString*(t: typedesc[uint64],
|
|
value: string): Result[uint64, cstring] =
|
|
Base10.decode(uint64, value)
|
|
|
|
proc decodeString*(t: typedesc[StateIdent],
|
|
value: string): Result[StateIdent, cstring] =
|
|
if len(value) > 2:
|
|
if (value[0] == '0') and (value[1] == 'x'):
|
|
if len(value) != RootHashSize + 2:
|
|
err("Incorrect state root value length")
|
|
else:
|
|
let res = ? parseRoot(value)
|
|
ok(StateIdent(kind: StateQueryKind.Root, root: res))
|
|
elif (value[0] in DecimalSet) and (value[1] in DecimalSet):
|
|
let res = ? Base10.decode(uint64, value)
|
|
ok(StateIdent(kind: StateQueryKind.Slot, slot: Slot(res)))
|
|
else:
|
|
case value
|
|
of "head":
|
|
ok(StateIdent(kind: StateQueryKind.Named,
|
|
value: StateIdentType.Head))
|
|
of "genesis":
|
|
ok(StateIdent(kind: StateQueryKind.Named,
|
|
value: StateIdentType.Genesis))
|
|
of "finalized":
|
|
ok(StateIdent(kind: StateQueryKind.Named,
|
|
value: StateIdentType.Finalized))
|
|
of "justified":
|
|
ok(StateIdent(kind: StateQueryKind.Named,
|
|
value: StateIdentType.Justified))
|
|
else:
|
|
err("Incorrect state identifier value")
|
|
else:
|
|
let res = ? Base10.decode(uint64, value)
|
|
ok(StateIdent(kind: StateQueryKind.Slot, slot: Slot(res)))
|
|
|
|
proc decodeString*(t: typedesc[BlockIdent],
|
|
value: string): Result[BlockIdent, cstring] =
|
|
if len(value) > 2:
|
|
if (value[0] == '0') and (value[1] == 'x'):
|
|
if len(value) != RootHashSize + 2:
|
|
err("Incorrect block root value length")
|
|
else:
|
|
let res = ? parseRoot(value)
|
|
ok(BlockIdent(kind: BlockQueryKind.Root, root: res))
|
|
elif (value[0] in DecimalSet) and (value[1] in DecimalSet):
|
|
let res = ? Base10.decode(uint64, value)
|
|
ok(BlockIdent(kind: BlockQueryKind.Slot, slot: Slot(res)))
|
|
else:
|
|
case value
|
|
of "head":
|
|
ok(BlockIdent(kind: BlockQueryKind.Named,
|
|
value: BlockIdentType.Head))
|
|
of "genesis":
|
|
ok(BlockIdent(kind: BlockQueryKind.Named,
|
|
value: BlockIdentType.Genesis))
|
|
of "finalized":
|
|
ok(BlockIdent(kind: BlockQueryKind.Named,
|
|
value: BlockIdentType.Finalized))
|
|
else:
|
|
err("Incorrect block identifier value")
|
|
else:
|
|
let res = ? Base10.decode(uint64, value)
|
|
ok(BlockIdent(kind: BlockQueryKind.Slot, slot: Slot(res)))
|
|
|
|
proc decodeString*(t: typedesc[ValidatorIdent],
|
|
value: string): Result[ValidatorIdent, cstring] =
|
|
if len(value) > 2:
|
|
if (value[0] == '0') and (value[1] == 'x'):
|
|
if len(value) != ValidatorKeySize + 2:
|
|
err("Incorrect validator's key value length")
|
|
else:
|
|
let res = ? ValidatorPubKey.fromHex(value)
|
|
ok(ValidatorIdent(kind: ValidatorQueryKind.Key,
|
|
key: res))
|
|
elif (value[0] in DecimalSet) and (value[1] in DecimalSet):
|
|
let res = ? Base10.decode(uint64, value)
|
|
ok(ValidatorIdent(kind: ValidatorQueryKind.Index,
|
|
index: RestValidatorIndex(res)))
|
|
else:
|
|
err("Incorrect validator identifier value")
|
|
else:
|
|
let res = ? Base10.decode(uint64, value)
|
|
ok(ValidatorIdent(kind: ValidatorQueryKind.Index,
|
|
index: RestValidatorIndex(res)))
|
|
|
|
proc decodeString*(t: typedesc[PeerID],
|
|
value: string): Result[PeerID, cstring] =
|
|
PeerID.init(value)
|
|
|
|
proc decodeString*(t: typedesc[CommitteeIndex],
|
|
value: string): Result[CommitteeIndex, cstring] =
|
|
let res = ? Base10.decode(uint64, value)
|
|
ok(CommitteeIndex(res))
|
|
|
|
proc decodeString*(t: typedesc[Eth2Digest],
|
|
value: string): Result[Eth2Digest, cstring] =
|
|
if len(value) != RootHashSize + 2:
|
|
return err("Incorrect root value length")
|
|
if value[0] != '0' and value[1] != 'x':
|
|
return err("Incorrect root value encoding")
|
|
parseRoot(value)
|
|
|
|
proc decodeString*(t: typedesc[ValidatorFilter],
|
|
value: string): Result[ValidatorFilter, cstring] =
|
|
case value
|
|
of "pending_initialized":
|
|
ok({ValidatorFilterKind.PendingInitialized})
|
|
of "pending_queued":
|
|
ok({ValidatorFilterKind.PendingQueued})
|
|
of "active_ongoing":
|
|
ok({ValidatorFilterKind.ActiveOngoing})
|
|
of "active_exiting":
|
|
ok({ValidatorFilterKind.ActiveExiting})
|
|
of "active_slashed":
|
|
ok({ValidatorFilterKind.ActiveSlashed})
|
|
of "exited_unslashed":
|
|
ok({ValidatorFilterKind.ExitedUnslashed})
|
|
of "exited_slashed":
|
|
ok({ValidatorFilterKind.ExitedSlashed})
|
|
of "withdrawal_possible":
|
|
ok({ValidatorFilterKind.WithdrawalPossible})
|
|
of "withdrawal_done":
|
|
ok({ValidatorFilterKind.WithdrawalDone})
|
|
of "pending":
|
|
ok({
|
|
ValidatorFilterKind.PendingInitialized,
|
|
ValidatorFilterKind.PendingQueued
|
|
})
|
|
of "active":
|
|
ok({
|
|
ValidatorFilterKind.ActiveOngoing,
|
|
ValidatorFilterKind.ActiveExiting,
|
|
ValidatorFilterKind.ActiveSlashed
|
|
})
|
|
of "exited":
|
|
ok({
|
|
ValidatorFilterKind.ExitedUnslashed,
|
|
ValidatorFilterKind.ExitedSlashed
|
|
})
|
|
of "withdrawal":
|
|
ok({
|
|
ValidatorFilterKind.WithdrawalPossible,
|
|
ValidatorFilterKind.WithdrawalDone
|
|
})
|
|
else:
|
|
err("Incorrect validator state identifier value")
|