82 lines
2.3 KiB
Nim
82 lines
2.3 KiB
Nim
import
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tables, random,
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asyncdispatch2, milagro_crypto,
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spec/[datatypes, crypto, digest], randao, ssz
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type
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ValidatorKind = enum
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inProcess
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remote
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ValidatorConnection = object
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AttachedValidator* = ref object
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idx*: int # index in the registry
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case kind: ValidatorKind
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of inProcess:
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privKey: ValidatorPrivKey
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randaoSecret: Randao
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else:
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connection: ValidatorConnection
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ValidatorPool* = object
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validators: Table[ValidatorPubKey, AttachedValidator]
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proc init*(T: type ValidatorPool): T =
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result.validators = initTable[ValidatorPubKey, AttachedValidator]()
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template count*(pool: ValidatorPool): int =
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pool.validators.len
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proc addLocalValidator*(pool: var ValidatorPool,
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idx: int,
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pubKey: ValidatorPubKey,
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privKey: ValidatorPrivKey,
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randaoSecret: Randao) =
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let v = AttachedValidator(idx: idx,
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kind: inProcess,
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privKey: privKey,
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randaoSecret: randaoSecret)
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pool.validators[pubKey] = v
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proc getValidator*(pool: ValidatorPool,
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validatorKey: ValidatorPubKey): AttachedValidator =
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pool.validators.getOrDefault(validatorKey)
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proc signBlockProposal*(v: AttachedValidator,
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proposal: ProposalSignedData): Future[ValidatorSig] {.async.} =
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if v.kind == inProcess:
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await sleepAsync(1)
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let proposalRoot = hash_tree_root_final(proposal)
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# TODO: Should we use proposalRoot as data, or digest in regards to signature?
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result = signMessage(v.privKey, proposalRoot.data)
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else:
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# TODO:
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# send RPC
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discard
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proc signAttestation*(v: AttachedValidator,
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attestation: AttestationData): Future[ValidatorSig] {.async.} =
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# TODO: implement this
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if v.kind == inProcess:
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await sleepAsync(1)
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let attestationRoot = hash_tree_root_final(attestation)
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# TODO: Avoid the allocations belows
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var dataToSign = @(attestationRoot.data) & @[0'u8]
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result = signMessage(v.privKey, dataToSign)
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else:
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# TODO:
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# send RPC
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discard
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proc randaoReveal*(v: AttachedValidator, commitment: Eth2Digest): Future[Eth2Digest] {.async.} =
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if v.kind == inProcess:
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result = v.randaoSecret.reveal(commitment)
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else:
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# TODO:
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# send RPC
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discard
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