viem/_cjs/utils/signature/signatureToCompactSignature.js

TypeScript Interface for Ethereum

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.signatureToCompactSignature = void 0;
const index_js_1 = require("../index.js");
function signatureToCompactSignature(signature) {
    const { r, s, v } = signature;
    const yParity = v - 27n;
    let yParityAndS = s;
    if (yParity === 1n) {
        const bytes = (0, index_js_1.hexToBytes)(s);
        bytes[0] |= 0x80;
        yParityAndS = (0, index_js_1.bytesToHex)(bytes);
    }
    return { r, yParityAndS };
}
exports.signatureToCompactSignature = signatureToCompactSignature;
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