@lodestar/state-transition/lib/signatureSets/index.js

Beacon Chain state transition function and utils

import { ForkSeq } from "@lodestar/params";
import { getSyncCommitteeSignatureSet } from "../block/processSyncCommittee.js";
import { getAttesterSlashingsSignatureSets } from "./attesterSlashings.js";
import { getBlsToExecutionChangeSignatureSets } from "./blsToExecutionChange.js";
import { getAttestationsSignatureSets } from "./indexedAttestation.js";
import { getBlockProposerSignatureSet } from "./proposer.js";
import { getProposerSlashingsSignatureSets } from "./proposerSlashings.js";
import { getRandaoRevealSignatureSet } from "./randao.js";
import { getVoluntaryExitsSignatureSets } from "./voluntaryExits.js";
export * from "./attesterSlashings.js";
export * from "./indexedAttestation.js";
export * from "./proposer.js";
export * from "./proposerSlashings.js";
export * from "./randao.js";
export * from "./voluntaryExits.js";
export * from "./blsToExecutionChange.js";
/**
 * Includes all signatures on the block (except the deposit signatures) for verification.
 * Deposits are not included because they can legally have invalid signatures.
 */
export function getBlockSignatureSets(state, signedBlock, opts) {
    // fork based validations
    const fork = state.config.getForkSeq(signedBlock.message.slot);
    const signatureSets = [
        getRandaoRevealSignatureSet(state, signedBlock.message),
        ...getProposerSlashingsSignatureSets(state, signedBlock),
        ...getAttesterSlashingsSignatureSets(state, signedBlock),
        ...getAttestationsSignatureSets(state, signedBlock),
        ...getVoluntaryExitsSignatureSets(state, signedBlock),
    ];
    if (!opts?.skipProposerSignature) {
        signatureSets.push(getBlockProposerSignatureSet(state, signedBlock));
    }
    // Only after altair fork, validate tSyncCommitteeSignature
    if (fork >= ForkSeq.altair) {
        const syncCommitteeSignatureSet = getSyncCommitteeSignatureSet(state, signedBlock.message);
        // There may be no participants in this syncCommitteeSignature, so it must not be validated
        if (syncCommitteeSignatureSet) {
            signatureSets.push(syncCommitteeSignatureSet);
        }
    }
    // only after capella fork
    if (fork >= ForkSeq.capella) {
        const blsToExecutionChangeSignatureSets = getBlsToExecutionChangeSignatureSets(state.config, signedBlock);
        if (blsToExecutionChangeSignatureSets.length > 0) {
            signatureSets.push(...blsToExecutionChangeSignatureSets);
        }
    }
    return signatureSets;
}
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