REF: transaction value

screen/send/confirm.js

@@ -127,7 +127,7 @@ export default class Confirm extends Component {
               fontWeight: '600',
             }}
           >
-            {!item.amount || item.amount === BitcoinUnit.MAX
+            {!item.value || item.value === BitcoinUnit.MAX
               ? currency.satoshiToBTC(this.state.fromWallet.getBalance() - this.state.feeSatoshi)
               : item.amount || currency.satoshiToBTC(item.value)}
           </Text>

screen/send/create.js

@@ -104,9 +104,9 @@ export default class SendCreate extends Component {
           <Text style={styles.transactionDetailsSubtitle}>{item.address}</Text>
           <Text style={styles.transactionDetailsTitle}>{loc.send.create.amount}</Text>
           <Text style={styles.transactionDetailsSubtitle}>
-            {item.amount === BitcoinUnit.MAX || !item.amount
+            {item.value === BitcoinUnit.MAX || !item.value
               ? currency.satoshiToBTC(this.state.wallet.getBalance()) - this.state.fee
-              : item.amount || currency.satoshiToBTC(item.value)}{' '}
+              : currency.satoshiToBTC(item.value)}{' '}
             {BitcoinUnit.BTC}
           </Text>
           {this.state.recipients.length > 1 && (

screen/send/details.js

@@ -438,23 +438,21 @@ export default class SendDetails extends Component {
     /** @type {HDSegwitBech32Wallet} */
     const wallet = this.state.fromWallet;
     await wallet.fetchUtxo();
-    const firstTransaction = this.state.addresses[0];
     const changeAddress = await wallet.getChangeAddressAsync();
-    let satoshis = new BigNumber(firstTransaction.amount).multipliedBy(100000000).toNumber();
     const requestedSatPerByte = +this.state.fee.toString().replace(/\D/g, '');
-    console.log({ satoshis, requestedSatPerByte, utxo: wallet.getUtxo() });
+    console.log({ requestedSatPerByte, utxo: wallet.getUtxo() });
 
     let targets = [];
     for (const transaction of this.state.addresses) {
-      const amount =
-        transaction.amount === BitcoinUnit.MAX ? BitcoinUnit.MAX : new BigNumber(transaction.amount).multipliedBy(100000000).toNumber();
-      if (amount > 0.0 || amount === BitcoinUnit.MAX) {
-        targets.push({ address: transaction.address, value: amount });
+      if (transaction.amount === BitcoinUnit.MAX) {
+        // single output with MAX
+        targets = [{ address: transaction.address }];
+        break;
+      }
+      const value = new BigNumber(transaction.amount).multipliedBy(100000000).toNumber();
+      if (value > 0) {
+        targets.push({ address: transaction.address, value });
       }
-    }
-
-    if (firstTransaction.amount === BitcoinUnit.MAX) {
-      targets = [{ address: firstTransaction.address }];
     }
 
     let { tx, fee, psbt } = wallet.createTransaction(