"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); const bitcoin = require("../.."); const { describe, it } = require('mocha'); const assert = require('assert'); describe('bitcoinjs-lib (blocks)', () => { it('can extract a height from a CoinBase transaction', () => { // from 00000000000000000097669cdca131f24d40c4cc7d80eaa65967a2d09acf6ce6 const txHex = '0100000000010100000000000000000000000000000000000000000000000000000000' + '00000000ffffffff50037f9a07174d696e656420627920416e74506f6f6c685b205a2b' + '1f7bfabe6d6d36afe1910eca9405b66f97750940a656e38e2c0312958190ff8e98fd16' + '761d220400000000000000aa340000d49f0000ffffffff02b07fc366000000001976a9' + '148349212dc27ce3ab4c5b29b85c4dec643d764b1788ac0000000000000000266a24aa' + '21a9ed72d9432948505e3d3062f1307a3f027a5dea846ff85e47159680919c12bf1e40' + '0120000000000000000000000000000000000000000000000000000000000000000000' + '000000'; const tx = bitcoin.Transaction.fromHex(txHex); assert.strictEqual(tx.ins.length, 1); const script = tx.ins[0].script; // bitcoin.script.decompile(script) // returns [] :( assert.strictEqual(script[0], 0x03); const heightBuffer = script.slice(1, 4); const height = bitcoin.script.number.decode(heightBuffer); assert.strictEqual(height, 498303); }); });