UNPKG

parkingsv-contract

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ParkingSV library

188 lines 8.11 kB
"use strict"; var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } return new (P || (P = Promise))(function (resolve, reject) { function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); }; var __generator = (this && this.__generator) || function (thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (_) try { if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [op[0] & 2, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } }; var bsv = require("./scryptlib/utils").bsv; var Signature = bsv.crypto.Signature; var BN = bsv.crypto.BN; var Interpreter = bsv.Script.Interpreter; // number of bytes to denote some numeric value var DataLen = 1; var axios = require("axios"); var API_PREFIX = "https://api.whatsonchain.com/v1/bsv/test"; var inputIndex = 0; var inputSatoshis = 1000000; var flags = Interpreter.SCRIPT_VERIFY_MINIMALDATA | Interpreter.SCRIPT_ENABLE_SIGHASH_FORKID | Interpreter.SCRIPT_ENABLE_MAGNETIC_OPCODES | Interpreter.SCRIPT_ENABLE_MONOLITH_OPCODES; var minFee = 546; var dummyTxId = "a477af6b2667c29670467e4e0728b685ee07b240235771862318e29ddbe58458"; var utxo = { txId: dummyTxId, outputIndex: 0, script: "", satoshis: inputSatoshis, }; var tx = new bsv.Transaction().from(utxo); function createLockingTx(address, amountInContract, fee) { return __awaiter(this, void 0, void 0, function () { var utxos, tx; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, axios.get(API_PREFIX + "/address/" + address + "/unspent")]; case 1: utxos = (_a.sent()).data; utxos = utxos.map(function (utxo) { return ({ txId: utxo.tx_hash, outputIndex: utxo.tx_pos, satoshis: utxo.value, script: bsv.Script.buildPublicKeyHashOut(address).toHex(), }); }); tx = new bsv.Transaction().from(utxos); tx.addOutput(new bsv.Transaction.Output({ script: new bsv.Script(), satoshis: amountInContract, })); tx.change(address).fee(fee || minFee); return [2 /*return*/, tx]; } }); }); } function createUnlockingTx(prevTxId, inputAmount, inputLockingScriptASM, outputAmount, outputLockingScriptASM) { var tx = new bsv.Transaction(); tx.addInput(new bsv.Transaction.Input({ prevTxId: prevTxId, outputIndex: inputIndex, script: new bsv.Script(), }), bsv.Script.fromASM(inputLockingScriptASM), inputAmount); tx.addOutput(new bsv.Transaction.Output({ script: bsv.Script.fromASM(outputLockingScriptASM || inputLockingScriptASM), satoshis: outputAmount, })); tx.fee(inputAmount - outputAmount); return tx; } function unlockP2PKHInput(privateKey, tx, inputIndex, sigtype) { var sig = new bsv.Transaction.Signature({ publicKey: privateKey.publicKey, prevTxId: tx.inputs[inputIndex].prevTxId, outputIndex: tx.inputs[inputIndex].outputIndex, inputIndex: inputIndex, signature: bsv.Transaction.Sighash.sign(tx, privateKey, sigtype, inputIndex, tx.inputs[inputIndex].output.script, tx.inputs[inputIndex].output.satoshisBN), sigtype: sigtype, }); tx.inputs[inputIndex].setScript(bsv.Script.buildPublicKeyHashIn(sig.publicKey, sig.signature.toDER(), sig.sigtype)); } function sendTx(tx) { return __awaiter(this, void 0, void 0, function () { var txid; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, axios.post(API_PREFIX + "/tx/raw", { txhex: tx.serialize(true), })]; case 1: txid = (_a.sent()).data; return [2 /*return*/, txid]; } }); }); } function sendTxHex(txhex) { return __awaiter(this, void 0, void 0, function () { var txid, err_1; return __generator(this, function (_a) { switch (_a.label) { case 0: _a.trys.push([0, 2, , 3]); return [4 /*yield*/, axios.post(API_PREFIX + "/tx/raw", { txhex: txhex, })]; case 1: txid = (_a.sent()).data; return [3 /*break*/, 3]; case 2: err_1 = _a.sent(); showError(err_1); return [3 /*break*/, 3]; case 3: return [2 /*return*/, txid]; } }); }); } function showError(error) { // Error if (error.response) { // The request was made and the server responded with a status code // that falls out of the range of 2xx console.log("Failed - StatusCodeError: " + error.response.status + ' - "' + error.response.data + '"'); // console.log(error.response.headers); } else if (error.request) { // The request was made but no response was received // `error.request` is an instance of XMLHttpRequest in the // browser and an instance of // http.ClientRequest in node.js console.log(error.request); } else { // Something happened in setting up the request that triggered an Error console.log("Error:", error.message); if (error.context) { console.log(error.context); } } } module.exports = { inputIndex: inputIndex, inputSatoshis: inputSatoshis, tx: tx, createLockingTx: createLockingTx, createUnlockingTx: createUnlockingTx, DataLen: DataLen, dummyTxId: dummyTxId, unlockP2PKHInput: unlockP2PKHInput, sendTx: sendTx, sendTxHex: sendTxHex, showError: showError, }; //# sourceMappingURL=helper.js.map