pr fixes

examples/bitcoinjs-lib/LICENCE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2016 Bitcoinjs developers
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

examples/bitcoinjs-lib/src/index.ts

@@ -15,27 +15,31 @@ app.get('/get-address', (req, res) => {
     const { address } = bitcoin.payments.p2pkh({
         pubkey: keyPair.publicKey
     });
+
     res.send(address);
 });
 
 app.get('/get-public-key', (req, res) => {
     const keyPair = ECPair.fromWIF(
         'L3BybjkmnMdXE6iNEaeZTjVMTHA4TvpYbQozc264Lto9yVDis2nv'
     );
+
     res.send(keyPair.publicKey.toString('hex'));
 });
 
 app.get('/get-private-key', (req, res) => {
     const keyPair = ECPair.fromWIF(
         'L3BybjkmnMdXE6iNEaeZTjVMTHA4TvpYbQozc264Lto9yVDis2nv'
     );
+
     res.send(keyPair.privateKey?.toString('hex'));
 });
 
 app.get('/get-private-key-wif', (req, res) => {
     const keyPair = ECPair.fromWIF(
         'L3BybjkmnMdXE6iNEaeZTjVMTHA4TvpYbQozc264Lto9yVDis2nv'
     );
+
     res.send(keyPair.toWIF());
 });
 
@@ -59,7 +63,7 @@ app.post('/create-transaction', (req, res) => {
         bitcoin.opcodes.OP_EQUALVERIFY,
         bitcoin.opcodes.OP_CHECKSIG
     ]);
-    transaction.addOutput(scriptPubkey, 15000);
+    transaction.addOutput(scriptPubkey, 15_000);
 
     res.send(transaction.toBuffer().toString('hex'));
 });
@@ -78,6 +82,7 @@ app.post('/sign-bitcoin-message', (req, res) => {
         privateKey,
         keyPair.compressed
     );
+
     res.send(signature.toString('base64'));
 });
 
@@ -102,6 +107,7 @@ app.post('/verify-bitcoin-message', (req, res) => {
     if (address === undefined) {
         throw new Error('Invalid address');
     }
+
     res.send(bitcoinMessage.verify(message, address, signature));
 });
 
@@ -129,16 +135,20 @@ app.post('/fail-to-verify-bitcoin-message', (req, res) => {
     if (address === undefined) {
         throw new Error('Invalid address');
     }
+
     res.send(bitcoinMessage.verify(message, address, signature));
 });
 
-// The following endpoints are not for our tests or examples but rather help to
-// illustrate some of the different features of creating transactions. Each of
-// these return the same transaction as in /create-transaction
+// The following endpoints (/create-transaction-from-known-hex, and
+// /create-transaction-from-deconstructed-transaction) are not for our tests or
+// examples but rather help to illustrate some of the different features of
+// creating transactions. Each of these return the same transaction as in
+// /create-transaction
 app.post('/create-transaction-from-known-hex', (req, res) => {
     const transactionHex =
         '02000000018689302ea03ef5dd56fb7940a867f9240fa811eddeb0fa4c87ad9ff3728f5e110000000000ffffffff01983a0000000000001976a914ad618cf4333b3b248f9744e8e81db2964d0ae39788ac00000000';
     const transaction = bitcoin.Transaction.fromHex(transactionHex);
+
     res.send(transaction.toBuffer().toString('hex'));
 });
 
@@ -177,11 +187,6 @@ app.post('/create-psbt', (req, res) => {
     const keyPair = ECPair.fromWIF(
         'L2uPYXe17xSTqbCjZvL2DsyXPCbXspvcu5mHLDYUgzdUbZGSKrSr'
     );
-    // const things = new bitcoin.Transaction();
-    // const transactionBuilder = new bitcoin.Transaction();
-    // bitcoin.Transaction.fromHex();
-    // // things.addInput()
-    // things.addOutput('1Gokm82v6DmtwKEB8AiVhm82hyFSsEvBDK', 15000);
     const psbt = new bitcoin.Psbt();
     psbt.addInput({
         // if hash is string, txid, if hash is Buffer, is reversed compared to txid
@@ -209,15 +214,16 @@ app.post('/create-psbt', (req, res) => {
     });
     psbt.addOutput({
         address: '1KRMKfeZcmosxALVYESdPNez1AP1mEtywp',
-        value: 80000
+        value: 80_000
     });
     psbt.signInput(0, keyPair);
     psbt.validateSignaturesOfInput(0, validator);
     psbt.finalizeAllInputs();
+
     res.send(psbt.extractTransaction().toHex());
 });
 
-// The following endpoints do signatures with the ECPair sign
+// The following endpoints sign messages with ECPair sign
 app.post('/ecpair-sign-bitcoin-message', (req, res) => {
     const keyPair = ECPair.fromWIF(
         'L3BybjkmnMdXE6iNEaeZTjVMTHA4TvpYbQozc264Lto9yVDis2nv'
@@ -226,6 +232,7 @@ app.post('/ecpair-sign-bitcoin-message', (req, res) => {
     const message = Buffer.from('This is an example of a signed message');
     const hash = bitcoin.crypto.sha256(message);
     const signature = keyPair.sign(hash);
+
     res.send(signature.toString('base64'));
 });
 
@@ -237,6 +244,7 @@ app.post('/ecpair-verify-bitcoin-message', (req, res) => {
     const message = Buffer.from('This is an example of a signed message');
     const hash = bitcoin.crypto.sha256(message);
     const signature = keyPair.sign(hash);
+
     res.send(keyPair.verify(hash, signature));
 });
 
@@ -251,6 +259,7 @@ app.post('/ecpair-fail-to-verify-bitcoin-message', (req, res) => {
     const message = Buffer.from('This is an example of a signed message');
     const hash = bitcoin.crypto.sha256(message);
     const signature = keyPair.sign(hash);
+
     res.send(wrongKeyPair.verify(hash, signature));
 });
 

examples/bitcore-lib/src/index.ts

@@ -40,11 +40,11 @@ app.post('/create-transaction', (req, res) => {
         outputIndex: 0,
         address: privateKey.toAddress(),
         script: '76a91447862fe165e6121af80d5dde1ecb478ed170565b88ac',
-        satoshis: 50000
+        satoshis: 50_000
     });
     const transaction = new Transaction()
         .from([utxo])
-        .to('1Gokm82v6DmtwKEB8AiVhm82hyFSsEvBDK', 15000)
+        .to('1Gokm82v6DmtwKEB8AiVhm82hyFSsEvBDK', 15_000)
         .sign(privateKey);
 
     res.send(transaction.toString());

examples/bitcore-lib/test/tests.ts

@@ -1,6 +1,3 @@
-import * as dns from 'node:dns';
-dns.setDefaultResultOrder('ipv4first');
-
 import { Test } from 'azle/test';
 
 import { getBitcoinTests } from './bitcoin';