import tables, random, chronos, spec/[datatypes, crypto, digest], randao, ssz type ValidatorKind = enum inProcess remote ValidatorConnection = object AttachedValidator* = ref object idx*: int # index in the registry case kind: ValidatorKind of inProcess: privKey: ValidatorPrivKey randaoSecret: Randao else: connection: ValidatorConnection ValidatorPool* = object validators: Table[ValidatorPubKey, AttachedValidator] proc init*(T: type ValidatorPool): T = result.validators = initTable[ValidatorPubKey, AttachedValidator]() template count*(pool: ValidatorPool): int = pool.validators.len proc addLocalValidator*(pool: var ValidatorPool, idx: int, pubKey: ValidatorPubKey, privKey: ValidatorPrivKey, randaoSecret: Randao) = let v = AttachedValidator(idx: idx, kind: inProcess, privKey: privKey, randaoSecret: randaoSecret) pool.validators[pubKey] = v proc getValidator*(pool: ValidatorPool, validatorKey: ValidatorPubKey): AttachedValidator = pool.validators.getOrDefault(validatorKey) proc signBlockProposal*(v: AttachedValidator, proposal: ProposalSignedData): Future[ValidatorSig] {.async.} = if v.kind == inProcess: await sleepAsync(1) let proposalRoot = hash_tree_root_final(proposal) # TODO: Should we use proposalRoot as data, or digest in regards to signature? # TODO: Use `domain` here let domain = 0'u64 result = bls_sign(v.privKey, proposalRoot.data, domain) else: # TODO: # send RPC discard proc signAttestation*(v: AttachedValidator, attestation: AttestationData): Future[ValidatorSig] {.async.} = # TODO: implement this if v.kind == inProcess: await sleepAsync(1) let attestationRoot = hash_tree_root_final(attestation) # TODO: Avoid the allocations belows var dataToSign = @(attestationRoot.data) & @[0'u8] # TODO: Use `domain` here let domain = 0'u64 result = bls_sign(v.privKey, dataToSign, domain) else: # TODO: # send RPC discard proc randaoReveal*(v: AttachedValidator, commitment: Eth2Digest): Future[Eth2Digest] {.async.} = if v.kind == inProcess: result = v.randaoSecret.reveal(commitment) else: # TODO: # send RPC discard