parkingsv-contract
Version:
ParkingSV library
265 lines • 13.7 kB
JavaScript
"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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ParkingToken = void 0;
var bsv_1 = require("bsv");
var contract_1 = require("./scryptlib/contract");
var scryptTypes_1 = require("./scryptlib/scryptTypes");
var utils_1 = require("./scryptlib/utils");
var contractHelper_1 = require("./contractHelper");
var helper_1 = require("./helper");
var ledger_1 = require("./ledger");
var txUtil_1 = require("./txUtil");
var ParkingToken = /** @class */ (function () {
function ParkingToken(privateKey, desc) {
this.amount = 30000;
this.fee = 2000;
var Token = contract_1.buildContractClass(desc);
this.tokenContract = new Token();
this.ledger = new ledger_1.Ledger();
this.ownerPrivateKey = privateKey;
this.ownerPublicKey = utils_1.bsv.PublicKey.fromPrivateKey(this.ownerPrivateKey);
}
ParkingToken.deployContract = function (privateKey, desc) {
return __awaiter(this, void 0, void 0, function () {
var instance;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
instance = new ParkingToken(privateKey, desc);
return [4 /*yield*/, instance.initContract()];
case 1:
_a.sent();
return [2 /*return*/, instance];
}
});
});
};
ParkingToken.prototype.initContract = function () {
return __awaiter(this, void 0, void 0, function () {
var scriptLengthF, _a, _b, err_1;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_c.trys.push([0, 3, , 4]);
this.ledger.addHolder(utils_1.toHex(this.ownerPublicKey));
this.ledger.setBalance(utils_1.toHex(this.ownerPublicKey), 100);
this.tokenContract.dataLoad = this.ledger.getDataLoad();
scriptLengthF = this.tokenContract.lockingScript.toHex().length / 2 -
this.tokenContract.dataLoad.length / 2;
console.log("Script length: " + scriptLengthF + " bytes");
_a = this;
return [4 /*yield*/, helper_1.createLockingTx(this.ownerPrivateKey.toAddress(), this.amount, this.fee)];
case 1:
_a.lockingTx = _c.sent();
this.lockingTx.outputs[0].setScript(this.tokenContract.lockingScript);
this.lockingTx.sign(this.ownerPrivateKey);
console.log("fee: ", this.fee);
_b = this;
return [4 /*yield*/, helper_1.sendTx(this.lockingTx)];
case 2:
_b.lockingTxid = _c.sent();
console.log("funding txid: ", this.lockingTxid);
return [3 /*break*/, 4];
case 3:
err_1 = _c.sent();
console.log(err_1);
return [3 /*break*/, 4];
case 4: return [2 /*return*/];
}
});
});
};
ParkingToken.prototype.initFromTxData = function (txData) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
this.ledger = ledger_1.Ledger.fromTxData(txData);
return [2 /*return*/];
});
});
};
ParkingToken.prototype.addNewUser = function (publicKey) {
return __awaiter(this, void 0, void 0, function () {
var cch, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
// Getting last contract instance
console.log("[TOKEN CONTRACT]: Adding " + publicKey);
this.ledger.addHolder(publicKey);
return [4 /*yield*/, this.prepareCall()];
case 1:
cch = _b.sent();
cch.unlockingScript = this.tokenContract
.addNewMember(cch.sender, cch.signature, cch.preimage, cch.newAmount, new scryptTypes_1.PubKey(publicKey))
.toScript();
_a = this;
return [4 /*yield*/, cch.sendTX()];
case 2:
_a.lockingTxid = _b.sent();
this.amount = cch.newAmount;
return [2 /*return*/, this.lockingTxid];
}
});
});
};
ParkingToken.fromTransaction = function (privateKey, lastKnownTransaction, desc) {
return __awaiter(this, void 0, void 0, function () {
var instance, lastTransaction, txData, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
instance = new ParkingToken(privateKey, desc);
return [4 /*yield*/, txUtil_1.TxUtil.getLastTransaction(lastKnownTransaction)];
case 1:
lastTransaction = _b.sent();
return [4 /*yield*/, txUtil_1.TxUtil.getTxData(lastTransaction)];
case 2:
txData = _b.sent();
instance.initFromTxData(txData);
instance.lockingTxid = lastKnownTransaction;
_a = instance;
return [4 /*yield*/, txUtil_1.TxUtil.getTxUnspentAmount(lastTransaction)];
case 3:
_a.amount = _b.sent();
console.log(instance.amount);
return [2 /*return*/, instance];
}
});
});
};
ParkingToken.prototype.transferTokens = function (toAddress, amount) {
return __awaiter(this, void 0, void 0, function () {
var transferData, cch, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
transferData = this.ledger.transfer(utils_1.toHex(this.ownerPublicKey), toAddress, amount);
console.log(this.ledger.toString());
console.log(transferData);
return [4 /*yield*/, this.prepareCall()];
case 1:
cch = _b.sent();
cch.unlockingScript = this.tokenContract
.transfer(cch.sender, cch.signature, cch.preimage, cch.newAmount, transferData.fromIndex, transferData.toIndex, transferData.amount)
.toScript();
_a = this;
return [4 /*yield*/, cch.sendTX()];
case 2:
_a.lockingTxid = _b.sent();
this.amount = cch.newAmount;
return [2 /*return*/];
}
});
});
};
ParkingToken.prototype.transferTokensJSON = function (toAddress, amount) {
return __awaiter(this, void 0, void 0, function () {
var transferData, cch;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
transferData = this.ledger.transfer(utils_1.toHex(this.ownerPublicKey), toAddress, amount);
console.log(this.ledger.toString());
console.log(transferData);
return [4 /*yield*/, this.prepareCall()];
case 1:
cch = _a.sent();
cch.unlockingScript = this.tokenContract
.transfer(cch.sender, cch.signature, cch.preimage, cch.newAmount, transferData.fromIndex, transferData.toIndex, transferData.amount)
.toScript();
return [2 /*return*/, cch.getTxJSON()];
}
});
});
};
ParkingToken.prototype.payByJSON = function (txHex) {
return __awaiter(this, void 0, void 0, function () {
var buffer, tx, lockingTxid, txData, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
buffer = Buffer.from(txHex);
tx = new bsv_1.Transaction(buffer);
console.log(tx);
return [4 /*yield*/, helper_1.sendTxHex(txHex)];
case 1:
lockingTxid = _b.sent();
return [4 /*yield*/, txUtil_1.TxUtil.getTxData(lockingTxid)];
case 2:
txData = _b.sent();
this.initFromTxData(txData);
this.lockingTxid = lockingTxid;
_a = this;
return [4 /*yield*/, txUtil_1.TxUtil.getTxUnspentAmount(lockingTxid)];
case 3:
_a.amount = _b.sent();
console.log(this.amount);
return [2 /*return*/];
}
});
});
};
ParkingToken.prototype.prepareCall = function () {
return __awaiter(this, void 0, void 0, function () {
var prevLockingScript, newLockingScriptASM, newAmount, unlockScriptTx, preimage, sig1;
return __generator(this, function (_a) {
prevLockingScript = this.tokenContract.lockingScript;
this.tokenContract.dataLoad = this.ledger.getDataLoad();
newLockingScriptASM = this.tokenContract.lockingScript.toASM();
newAmount = this.amount - this.fee;
if (newAmount < 0)
throw new Error("Not enough money on contract!");
unlockScriptTx = helper_1.createUnlockingTx(this.lockingTxid, this.amount, prevLockingScript.toASM(), newAmount, newLockingScriptASM);
preimage = utils_1.getPreimage(unlockScriptTx, prevLockingScript.toASM(), this.amount);
sig1 = utils_1.signTx(unlockScriptTx, this.ownerPrivateKey, prevLockingScript.toASM(), this.amount);
// Generating Contract Call Helper structure
return [2 /*return*/, new contractHelper_1.ContractCallHelper({
sender: new scryptTypes_1.PubKey(utils_1.toHex(this.ownerPublicKey)),
signature: new scryptTypes_1.Sig(utils_1.toHex(sig1)),
preimage: new scryptTypes_1.Bytes(utils_1.toHex(preimage)),
newAmount: newAmount,
unlockScriptTx: unlockScriptTx,
})];
});
});
};
return ParkingToken;
}());
exports.ParkingToken = ParkingToken;
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