bitcoin-tx-lib
Version:
A Typescript library for building and signing Bitcoin transactions
175 lines • 7.44 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const hdtransaction_1 = require("./hdtransaction");
const hdwallet_1 = require("./hdwallet");
describe("transaction class", () => {
let wallet;
let transaction;
beforeEach(() => {
wallet = hdwallet_1.HDWallet.create().wallet;
transaction = new hdtransaction_1.HDTransaction();
});
test("Must add a valid entry", () => {
const input = {
txid: "16945364992874171da102f987c217f3ff13bb4817957f6a030169083a8ac8f0",
scriptPubKey: "76a914a8439c50793b033df810de257b313144a8f7edc988ac",
value: 29128,
vout: 1
};
transaction.addInput(input, wallet.getPairKey(0));
expect(transaction.inputs).toContainEqual(input);
});
test("Should throw error when adding entry with duplicate txid", () => {
const input = {
txid: "16945364992874171da102f987c217f3ff13bb4817957f6a030169083a8ac8f0",
scriptPubKey: "76a914a8439c50793b033df810de257b313144a8f7edc988ac",
value: 29128,
vout: 1
};
transaction.addInput(input, wallet.getPairKey(0));
expect(() => transaction.addInput(input, wallet.getPairKey(1))).toThrow("An input with this txid has already been added");
});
test("Must add a valid output", () => {
const output = {
address: "tb1q4mqy9h6km8wzltgtxra0vt4efuruhg7vh8hlvf",
amount: 29128
};
transaction.addOutput(output);
expect(transaction.outputs).toContainEqual(output);
});
test("Should throw error when adding output with invalid address", () => {
const output = {
address: "tb1q4mqy9h6km8wzltgtxra0vt4efuruhg8vh8hlvf",
amount: 29128
};
expect(() => transaction.addOutput(output)).toThrow("Expected a valid address to output");
});
test("Should throw error when adding output with already existing address", () => {
const output = {
address: "tb1q4mqy9h6km8wzltgtxra0vt4efuruhg7vh8hlvf",
amount: 29128
};
transaction.addOutput(output);
expect(() => transaction.addOutput(output)).toThrow("An output with this address has already been added");
});
test("Must assemble a non-witness P2PKH transaction", () => {
transaction.addInput({
txid: "16945364992874171da102f987c217f3ff13bb4817957f6a030169083a8ac8f0",
scriptPubKey: "76a914a8439c50793b033df810de257b313144a8f7edc988ac",
value: 29128,
vout: 1
}, wallet.getPairKey(0));
transaction.addOutput({
address: "tb1q4mqy9h6km8wzltgtxra0vt4efuruhg7vh8hlvf",
amount: (29128) - 500
});
transaction.sign();
// let txid = transaction.getTxid()
// let txraw = transaction.getRawHex()
// console.log(txid)
// console.log(txraw)
expect(transaction.isSegwit()).toBe(false);
expect(752).toEqual(transaction.weight());
expect(188).toEqual(transaction.vBytes());
});
test("Must set up a P2PWKH segregated witness transaction", () => {
transaction.addInput({
txid: "16945364992874171da102f987c217f3ff13bb4817957f6a030169083a8ac8f0",
scriptPubKey: "0014a8439c50793b033df810de257b313144a8f7edc9",
value: 29128,
vout: 1
}, wallet.getPairKey(0));
transaction.addOutput({
address: "tb1q4mqy9h6km8wzltgtxra0vt4efuruhg7vh8hlvf",
amount: (29128) - 500
});
transaction.sign();
expect(transaction.isSegwit()).toBe(true);
expect(437).toEqual(transaction.weight());
expect(110).toEqual(transaction.vBytes());
expect(110).toEqual(transaction.getFeeSats());
});
test("Must resolve network fee for payer exit", () => {
transaction = new hdtransaction_1.HDTransaction({
whoPayTheFee: "tb1q4mqy9h6km8wzltgtxra0vt4efuruhg7vh8hlvf",
fee: 1 // 1 sat/vb
});
transaction.addInput({
txid: "16945364992874171da102f987c217f3ff13bb4817957f6a030169083a8ac8f0",
scriptPubKey: "0014a8439c50793b033df810de257b313144a8f7edc9",
value: 30000,
vout: 1
}, wallet.getPairKey(0));
transaction.addOutput({
address: "tb1q4mqy9h6km8wzltgtxra0vt4efuruhg7vh8hlvf",
amount: 15000
});
transaction.addOutput({
address: "tb1q4ppec5re8vpnm7qsmcjhkvf3gj500mwfw0yxaj",
amount: 15000
});
transaction.sign();
transaction.resolveFee();
expect(transaction.outputs[0].amount).toBeLessThan(15000);
expect(transaction.outputs[1].amount).toEqual(15000);
expect(141).toEqual(transaction.getFeeSats());
expect(561).toEqual(transaction.weight());
expect(141).toEqual(transaction.vBytes());
});
test("Must resolve network fee for receiver output", () => {
var _a, _b;
transaction = new hdtransaction_1.HDTransaction({
whoPayTheFee: "tb1q4ppec5re8vpnm7qsmcjhkvf3gj500mwfw0yxaj",
fee: 1 // 1 sat/vb
});
transaction.addInput({
txid: "16945364992874171da102f987c217f3ff13bb4817957f6a030169083a8ac8f0",
scriptPubKey: "0014a8439c50793b033df810de257b313144a8f7edc9",
value: 30000,
vout: 1
}, wallet.getPairKey(0));
transaction.addOutput({
address: "tb1q4mqy9h6km8wzltgtxra0vt4efuruhg7vh8hlvf",
amount: 15000
});
transaction.addOutput({
address: "tb1q4ppec5re8vpnm7qsmcjhkvf3gj500mwfw0yxaj",
amount: 15000
});
transaction.sign();
transaction.resolveFee();
expect((_a = transaction.outputs[0]) === null || _a === void 0 ? void 0 : _a.amount).toEqual(15000);
expect((_b = transaction.outputs[1]) === null || _b === void 0 ? void 0 : _b.amount).toBeLessThan(15000);
expect(141).toEqual(transaction.getFeeSats());
expect(561).toEqual(transaction.weight());
expect(141).toEqual(transaction.vBytes());
});
test("Must solve the network fee by distributing the cost equally to all outputs", () => {
transaction = new hdtransaction_1.HDTransaction({
whoPayTheFee: "everyone",
fee: 1 // 1 sat/vb
});
transaction.addInput({
txid: "16945364992874171da102f987c217f3ff13bb4817957f6a030169083a8ac8f0",
scriptPubKey: "0014a8439c50793b033df810de257b313144a8f7edc9",
value: 30000,
vout: 1
}, wallet.getPairKey(0));
transaction.addOutput({
address: "tb1q4mqy9h6km8wzltgtxra0vt4efuruhg7vh8hlvf",
amount: 15000
});
transaction.addOutput({
address: "tb1q4ppec5re8vpnm7qsmcjhkvf3gj500mwfw0yxaj",
amount: 15000
});
transaction.sign();
transaction.resolveFee();
expect(transaction.outputs[0].amount).toBeLessThan(15000);
expect(transaction.outputs[1].amount).toBeLessThan(15000);
expect(141).toEqual(transaction.getFeeSats());
expect(561).toEqual(transaction.weight());
expect(141).toEqual(transaction.vBytes());
});
});
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