import { DOMAIN_AGGREGATE_AND_PROOF, ForkSeq } from "@lodestar/params";
import { SignatureSetType, computeSigningRoot, computeStartSlotAtEpoch } from "@lodestar/state-transition";
import { ssz } from "@lodestar/types";
export function getAggregateAndProofSigningRoot(config, epoch, aggregateAndProof) {
    // previously, we call `const aggregatorDomain = config.getDomain(state.slot, DOMAIN_AGGREGATE_AND_PROOF, slot);`
    // at fork boundary, it's required to dial to target epoch https://github.com/ChainSafe/lodestar/blob/v1.11.3/packages/beacon-node/src/chain/validation/attestation.ts#L573
    // instead of that, just use the fork of slot in the attestation data
    const slot = computeStartSlotAtEpoch(epoch);
    const fork = config.getForkName(slot);
    const aggregatorDomain = config.getDomainAtFork(fork, DOMAIN_AGGREGATE_AND_PROOF);
    const sszType = ForkSeq[fork] >= ForkSeq.electra ? ssz.electra.AggregateAndProof : ssz.phase0.AggregateAndProof;
    return computeSigningRoot(sszType, aggregateAndProof.message, aggregatorDomain);
}
export function getAggregateAndProofSignatureSet(config, epoch, aggregatorIndex, aggregateAndProof) {
    return {
        type: SignatureSetType.indexed,
        index: aggregatorIndex,
        signingRoot: getAggregateAndProofSigningRoot(config, epoch, aggregateAndProof),
        signature: aggregateAndProof.signature,
    };
}
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