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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/algosdk/dist/esm/src/encoding

Просмотр файла: bigint.js

/**
 * bigIntToBytes converts a BigInt to a big-endian Uint8Array for encoding.
 * @param bi - The bigint to convert.
 * @param size - The size of the resulting byte array.
 * @returns A byte array containing the big-endian encoding of the input bigint
 */
export function bigIntToBytes(bi, size) {
    let hex = bi.toString(16);
    // Pad the hex with zeros so it matches the size in bytes
    if (hex.length !== size * 2) {
        hex = hex.padStart(size * 2, '0');
    }
    const byteArray = new Uint8Array(hex.length / 2);
    for (let i = 0, j = 0; i < hex.length / 2; i++, j += 2) {
        byteArray[i] = parseInt(hex.slice(j, j + 2), 16);
    }
    return byteArray;
}
/**
 * bytesToBigInt produces a bigint from a binary representation.
 *
 * @param bytes - The Uint8Array to convert.
 * @returns The bigint that was encoded in the input data.
 */
export function bytesToBigInt(bytes) {
    let res = BigInt(0);
    const buf = Buffer.from(bytes);
    for (let i = 0; i < bytes.length; i++) {
        res = BigInt(Number(buf.readUIntBE(i, 1))) + res * BigInt(256);
    }
    return res;
}
//# sourceMappingURL=bigint.js.map

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