mirror of
https://github.com/status-im/c-kzg-4844.git
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45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
'use strict';
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/**
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* The public interface of this module exposes the functions as specified by
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* https://github.com/ethereum/consensus-specs/blob/dev/specs/eip4844/polynomial-commitments.md#kzg
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*/
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const kzg = require("./kzg.node");
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const FIELD_ELEMENTS_PER_BLOB = kzg.FIELD_ELEMENTS_PER_BLOB;
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const BYTES_PER_FIELD_ELEMENT = kzg.BYTES_PER_FIELD_ELEMENT;
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// Stored as internal state
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let setupHandle;
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function requireSetupHandle() {
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if (!setupHandle) {
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throw new Error("You must call loadTrustedSetup to initialize KZG.");
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}
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return setupHandle;
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}
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function loadTrustedSetup(filePath) {
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if (setupHandle) {
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throw new Error("Call freeTrustedSetup before loading a new trusted setup.");
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}
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setupHandle = kzg.loadTrustedSetup(filePath);
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}
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function freeTrustedSetup() {
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kzg.freeTrustedSetup(requireSetupHandle());
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setupHandle = undefined;
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}
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function blobToKzgCommitment(blob) {
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return kzg.blobToKzgCommitment(blob, requireSetupHandle());
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}
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function computeAggregateKzgProof(blobs) {
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return kzg.computeAggregateKzgProof(blobs, requireSetupHandle());
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}
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function verifyAggregateKzgProof(blobs, expectedKzgCommitments, kzgAggregatedProof) {
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return kzg.verifyAggregateKzgProof(blobs, expectedKzgCommitments, kzgAggregatedProof, requireSetupHandle());
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}
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exports.BYTES_PER_FIELD_ELEMENT = BYTES_PER_FIELD_ELEMENT;
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exports.FIELD_ELEMENTS_PER_BLOB = FIELD_ELEMENTS_PER_BLOB;
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exports.blobToKzgCommitment = blobToKzgCommitment;
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exports.computeAggregateKzgProof = computeAggregateKzgProof;
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exports.freeTrustedSetup = freeTrustedSetup;
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exports.loadTrustedSetup = loadTrustedSetup;
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exports.verifyAggregateKzgProof = verifyAggregateKzgProof;
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