@scrypt-inc/bitcoinjs-lib
Version:
Client-side Bitcoin JavaScript library
76 lines (75 loc) • 2.93 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.p2data = p2data;
const networks_js_1 = require('../networks.cjs');
const bscript = __importStar(require('../script.cjs'));
const types_js_1 = require('../types.cjs');
const lazy = __importStar(require('./lazy.cjs'));
const v = __importStar(require("valibot"));
const OPS = bscript.OPS;
// output: OP_RETURN ...
/**
* Embeds data in a Bitcoin payment.
* @param a - The payment object.
* @param opts - Optional payment options.
* @returns The modified payment object.
* @throws {TypeError} If there is not enough data or if the output is invalid.
*/
function p2data(a, opts) {
if (!a.data && !a.output)
throw new TypeError('Not enough data');
opts = Object.assign({ validate: true }, opts || {});
v.parse(v.partial(v.object({
network: v.object({}),
output: types_js_1.BufferSchema,
data: v.array(types_js_1.BufferSchema),
})), a);
const network = a.network || networks_js_1.bitcoin;
const o = { name: 'embed', network };
lazy.prop(o, 'output', () => {
if (!a.data)
return;
return bscript.compile([OPS.OP_RETURN].concat(a.data));
});
lazy.prop(o, 'data', () => {
if (!a.output)
return;
return bscript.decompile(a.output).slice(1);
});
// extended validation
if (opts.validate) {
if (a.output) {
const chunks = bscript.decompile(a.output);
if (chunks[0] !== OPS.OP_RETURN)
throw new TypeError('Output is invalid');
if (!chunks.slice(1).every(chunk => v.is(types_js_1.BufferSchema, chunk)))
throw new TypeError('Output is invalid');
if (a.data && !(0, types_js_1.stacksEqual)(a.data, o.data))
throw new TypeError('Data mismatch');
}
}
return Object.assign(o, a);
}