.cache/opencode/node_modules/@oslojs/asn1/dist/integer.js

export function bigIntTwosComplementBytes(value) {
    if (value === 0n) {
        return new Uint8Array(1);
    }
    let byteLength = 1;
    if (value > 0n) {
        while (value > (1n << BigInt(byteLength * 8 - 1)) - 1n) {
            byteLength++;
        }
    }
    else {
        while (value < -1n << BigInt(byteLength * 8 - 1)) {
            byteLength++;
        }
    }
    const encoded = new Uint8Array(byteLength);
    for (let i = 0; i < encoded.byteLength; i++) {
        encoded[i] = Number((value >> BigInt((encoded.byteLength - i - 1) * 8)) & 0xffn);
    }
    return encoded;
}
export function bigIntFromTwosComplementBytes(bytes) {
    if (bytes.byteLength < 1) {
        throw new TypeError("Empty Uint8Array");
    }
    let decoded = 0n;
    for (let i = 0; i < bytes.byteLength; i++) {
        decoded += BigInt(bytes[i]) << BigInt((bytes.byteLength - 1 - i) * 8);
    }
    if (bytes[0] >> 7 === 0) {
        return decoded;
    }
    return decoded - (1n << BigInt(bytes.byteLength * 8));
}
export function variableLengthQuantityBytes(value) {
    let bitLength = 7;
    while (value > (1 << bitLength) - 1) {
        bitLength += 7;
    }
    const encoded = new Uint8Array(Math.ceil(bitLength / 8));
    for (let i = 0; i < encoded.byteLength; i++) {
        if (i === encoded.byteLength - 1) {
            encoded[i] = Number((value >> BigInt((encoded.byteLength - i - 1) * 7)) & 0x7fn);
        }
        else {
            encoded[i] = Number((value >> BigInt((encoded.byteLength - i - 1) * 7)) & 0x7fn) | 0x80;
        }
    }
    return encoded;
}
export function variableLengthQuantityFromBytes(bytes, maxBytes) {
    let value = 0n;
    for (let i = 0; i < bytes.byteLength; i++) {
        value = (value << 7n) | BigInt(bytes[i] & 0x7f);
        if (bytes[i] >> 7 === 0) {
            return [value, i + 1];
        }
        if (i + 1 > maxBytes) {
            throw new Error("Data too large");
        }
    }
    throw new TypeError("Invalid variable length quantity");
}