@keyper/specs/lib/address.js

keyper specifications

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.scriptToAddress = exports.addressToScript = void 0;
var bech32 = require("bech32");
function addressToScript(address, systemCodeHash) {
    if (systemCodeHash === void 0) { systemCodeHash = {
        SECP256K1_BLAKE160_SIGHASH_ALL_TYPE_HASH: "0x9bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce8",
        SECP256K1_BLAKE160_MULTISIG_ALL_TYPE_HASH: "0x5c5069eb0857efc65e1bca0c07df34c31663b3622fd3876c876320fc9634e2a8"
    }; }
    if (address.length !== 46 && address.length !== 95) {
        throw new Error("Invalid address: " + address);
    }
    var payload = bech32.decode(address, 95);
    if (payload.prefix !== "ckb" && payload.prefix !== "ckt") {
        throw new Error("Invalid address: " + address);
    }
    var data = bech32.fromWords(payload.words);
    if (data[0] === 1) {
        // short address
        if (data[1] === 0) {
            // SECP256K1 + blake160
            return {
                hashType: "type",
                codeHash: systemCodeHash.SECP256K1_BLAKE160_SIGHASH_ALL_TYPE_HASH,
                args: "0x" + Buffer.from(data.slice(2)).toString("hex")
            };
        }
        else if (data[1] === 1) {
            // SECP256K1 + multisig
            return {
                hashType: "type",
                codeHash: systemCodeHash.SECP256K1_BLAKE160_MULTISIG_ALL_TYPE_HASH,
                args: "0x" + Buffer.from(data.slice(2)).toString("hex")
            };
        }
        else {
            throw new Error("Invalid address: " + address);
        }
    }
    else if (data[0] === 2) {
        // long hash_type: data
        return {
            hashType: "data",
            codeHash: "0x" + Buffer.from(data.slice(1, 33)).toString("hex"),
            args: "0x" + Buffer.from(data.slice(33)).toString("hex")
        };
    }
    else if (data[0] === 4) {
        // long hash_type: type
        return {
            hashType: "type",
            codeHash: "0x" + Buffer.from(data.slice(1, 33)).toString("hex"),
            args: "0x" + Buffer.from(data.slice(33)).toString("hex")
        };
    }
    else {
        throw new Error("Invalid address: " + address);
    }
}
exports.addressToScript = addressToScript;
function scriptToAddress(script, config) {
    if (config === void 0) { config = {
        networkPrefix: "ckb",
        short: true,
        SECP256K1_BLAKE160_SIGHASH_ALL_TYPE_HASH: "0x9bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce8",
        SECP256K1_BLAKE160_MULTISIG_ALL_TYPE_HASH: "0x5c5069eb0857efc65e1bca0c07df34c31663b3622fd3876c876320fc9634e2a8"
    }; }
    if (!config.networkPrefix) {
        config.networkPrefix = "ckb";
    }
    if (!config.SECP256K1_BLAKE160_SIGHASH_ALL_TYPE_HASH) {
        config.SECP256K1_BLAKE160_SIGHASH_ALL_TYPE_HASH = "0x9bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce8";
    }
    if (!config.SECP256K1_BLAKE160_MULTISIG_ALL_TYPE_HASH) {
        config.SECP256K1_BLAKE160_MULTISIG_ALL_TYPE_HASH = "0x5c5069eb0857efc65e1bca0c07df34c31663b3622fd3876c876320fc9634e2a8";
    }
    var payload = "";
    if (config.short) {
        if (script.codeHash === config.SECP256K1_BLAKE160_SIGHASH_ALL_TYPE_HASH) {
            payload = "0100" + script.args.slice(2);
        }
        else if (script.codeHash === config.SECP256K1_BLAKE160_MULTISIG_ALL_TYPE_HASH) {
            payload = "0101" + script.args.slice(2);
        }
        else {
            config.short = false;
        }
    }
    if (!config.short) {
        if (script.hashType === "data") {
            payload = "02" + script.codeHash.slice(2) + script.args.slice(2);
        }
        else if (script.hashType === "type") {
            payload = "04" + script.codeHash.slice(2) + script.args.slice(2);
        }
        else {
            throw new Error("Invalid script: " + JSON.stringify(script));
        }
    }
    return bech32.encode(config.networkPrefix, bech32.toWords(Buffer.from(payload, "hex")), 95);
}
exports.scriptToAddress = scriptToAddress;