fix: gets btc publickey from privateKey

rsksmart · Mar 22, 2021 · f4790b6 · f4790b6
1 parent 705fd84
commit f4790b6
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/src/common/transaction/btccoin.js b/src/common/transaction/btccoin.js
@@ -54,7 +54,7 @@ export const getTransactionInputs = async ({
  * @returns {object} Transaction builder
  */
 export const buildTransaction = ({
-  inputs, fromAddress, addressType, toAddress, netType, amount, fees, publicKey,
+  inputs, fromAddress, addressType, toAddress, netType, amount, fees, privateKey,
 }) => {
   const network = netType === 'Mainnet' ? bitcoin.networks.bitcoin : bitcoin.networks.testnet;
   const cost = amount + fees;
@@ -63,6 +63,8 @@ export const buildTransaction = ({
   // Calculate redeem script
   let redeemScript = null;
   if (addressType === BtcAddressType.segwit) {
+    const buf = Buffer.from(privateKey, 'hex');
+    const { publicKey } = bitcoin.ECPair.fromPrivateKey(buf, { network });
     const p2wpkh = bitcoin.payments.p2wpkh({ pubkey: publicKey, network });
     const p2sh = bitcoin.payments.p2sh({ redeem: p2wpkh, network });
     redeemScript = p2sh.redeem.output;

diff --git a/src/common/transaction/index.js b/src/common/transaction/index.js
@@ -50,7 +50,7 @@ export default class Transaction {
     console.log('Transaction.processTransaction start');
     let result = null;
     const {
-      symbol, privateKey, netType, sender, receiver, value, data, memo, gasFee, contractAddress, addressType, publicKey,
+      symbol, privateKey, netType, sender, receiver, value, data, memo, gasFee, contractAddress, addressType,
     } = this;
     try {
       if (symbol === 'BTC') {
@@ -67,7 +67,7 @@ export default class Transaction {
           netType,
           amount,
           fees,
-          publicKey,
+          privateKey,
         });
         result = btc.signTransaction({
           transactionBuilder, inputs, privateKey, netType, addressType,