41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
import {
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Connection,
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PublicKey,
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Commitment,
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PublicKeyInitData,
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} from "@solana/web3.js";
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import { getAccountData } from "../../utils";
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export async function getSignatureSetData(
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connection: Connection,
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signatureSet: PublicKeyInitData,
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commitment?: Commitment
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): Promise<SignatureSetData> {
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return connection
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.getAccountInfo(new PublicKey(signatureSet), commitment)
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.then((info) => SignatureSetData.deserialize(getAccountData(info)));
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}
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export class SignatureSetData {
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signatures: boolean[];
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hash: Buffer;
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guardianSetIndex: number;
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constructor(signatures: boolean[], hash: Buffer, guardianSetIndex: number) {
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this.signatures = signatures;
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this.hash = hash;
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this.guardianSetIndex = guardianSetIndex;
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}
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static deserialize(data: Buffer): SignatureSetData {
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const numSignatures = data.readUInt32LE(0);
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const signatures = [...data.subarray(4, 4 + numSignatures)].map(
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(x) => x != 0
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);
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const hashIndex = 4 + numSignatures;
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const hash = data.subarray(hashIndex, hashIndex + 32);
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const guardianSetIndex = data.readUInt32LE(hashIndex + 32);
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return new SignatureSetData(signatures, hash, guardianSetIndex);
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}
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}
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