BlueWallet/screen/send/coinControl.js
2020-11-22 11:42:52 +01:00

300 lines
9.5 KiB
JavaScript

import React, { useMemo, useState, useContext, useEffect, useRef } from 'react';
import PropTypes from 'prop-types';
import { ListItem, Avatar, Badge } from 'react-native-elements';
import {
ActivityIndicator,
FlatList,
Keyboard,
KeyboardAvoidingView,
Platform,
StyleSheet,
Text,
TextInput,
TouchableWithoutFeedback,
useColorScheme,
View,
} from 'react-native';
import { useRoute, useTheme, useNavigation } from '@react-navigation/native';
import loc, { formatBalanceWithoutSuffix } from '../../loc';
import { BitcoinUnit } from '../../models/bitcoinUnits';
import { BlueNavigationStyle, SafeBlueArea, BlueSpacing10, BlueSpacing20, BlueButton, BlueListItem } from '../../BlueComponents';
import BottomModal from '../../components/BottomModal';
import { BlueStorageContext } from '../../blue_modules/storage-context';
// https://levelup.gitconnected.com/debounce-in-javascript-improve-your-applications-performance-5b01855e086
const debounce = (func, wait) => {
let timeout;
return function executedFunction(...args) {
const later = () => {
timeout = null;
func(...args);
};
clearTimeout(timeout);
timeout = setTimeout(later, wait);
};
};
const Output = ({ item: { address, txid, value, vout }, oMemo, frozen, change = false, full = false, onPress }) => {
const { colors } = useTheme();
const { txMetadata } = useContext(BlueStorageContext);
const cs = useColorScheme();
const memo = oMemo || txMetadata[txid]?.memo || '';
const fullId = `${txid}:${vout}`;
const shortId = `${address.substring(0, 9)}...${address.substr(address.length - 9)}`;
const color = `#${txid.substring(0, 6)}`;
const amount = formatBalanceWithoutSuffix(value, BitcoinUnit.BTC, true);
const oStyles = StyleSheet.create({
containerFull: { paddingHorizontal: 0 },
avatar: { borderColor: 'white', borderWidth: 1 },
amount: { fontWeight: 'bold' },
memo: { fontSize: 13, marginTop: 3 },
changeLight: { backgroundColor: colors.buttonDisabledBackgroundColor },
changeDark: { backgroundColor: colors.buttonDisabledBackgroundColor, borderWidth: 0 },
changeText: { color: colors.alternativeTextColor },
freezeLight: { backgroundColor: colors.redBG },
freezeDark: { backgroundColor: colors.redBG, borderWidth: 0 },
freezeText: { color: colors.redText },
});
return (
<ListItem
bottomDivider
onPress={onPress}
containerStyle={[{ borderBottomColor: colors.lightBorder, backgroundColor: colors.elevated }, full && oStyles.containerFull]}
>
<Avatar rounded overlayContainerStyle={[oStyles.avatar, { backgroundColor: color }]} />
<ListItem.Content>
<ListItem.Title style={[oStyles.amount, { color: colors.foregroundColor }]}>{amount}</ListItem.Title>
{full ? (
<>
{memo ? (
<>
<ListItem.Subtitle style={[oStyles.memo, { color: colors.alternativeTextColor }]}>{memo}</ListItem.Subtitle>
<BlueSpacing10 />
</>
) : null}
<ListItem.Subtitle style={[oStyles.memo, { color: colors.alternativeTextColor }]}>{address}</ListItem.Subtitle>
<BlueSpacing10 />
<ListItem.Subtitle style={[oStyles.memo, { color: colors.alternativeTextColor }]}>{fullId}</ListItem.Subtitle>
</>
) : (
<ListItem.Subtitle style={[oStyles.memo, { color: colors.alternativeTextColor }]} numberOfLines={1}>
{memo || shortId}
</ListItem.Subtitle>
)}
</ListItem.Content>
{change && (
<Badge value={loc.cc.change} badgeStyle={oStyles[cs === 'dark' ? 'changeDark' : 'changeLight']} textStyle={oStyles.changeText} />
)}
{frozen && (
<Badge value={loc.cc.freeze} badgeStyle={oStyles[cs === 'dark' ? 'freezeDark' : 'freezeLight']} textStyle={oStyles.freezeText} />
)}
</ListItem>
);
};
Output.propTypes = {
item: PropTypes.shape({
address: PropTypes.string.isRequired,
txid: PropTypes.string.isRequired,
value: PropTypes.number.isRequired,
vout: PropTypes.number.isRequired,
}),
oMemo: PropTypes.string,
frozen: PropTypes.bool,
change: PropTypes.bool,
full: PropTypes.bool,
onPress: PropTypes.func,
};
const mStyles = StyleSheet.create({
memoTextInput: {
flexDirection: 'row',
borderWidth: 1,
borderBottomWidth: 0.5,
minHeight: 44,
height: 44,
alignItems: 'center',
marginVertical: 8,
borderRadius: 4,
paddingHorizontal: 8,
color: '#81868e',
},
buttonContainer: {
height: 45,
},
});
const OutputModalContent = ({ output, wallet, onUseCoin }) => {
const { colors } = useTheme();
const { txMetadata, saveToDisk } = useContext(BlueStorageContext);
const [frozen, setFrozen] = useState(wallet.getUTXOMetadata(output.txid, output.vout).frozen || false);
const [memo, setMemo] = useState(wallet.getUTXOMetadata(output.txid, output.vout).memo || txMetadata[output.txid]?.memo || '');
const onMemoChange = value => setMemo(value);
const switchValue = useMemo(() => ({ value: frozen, onValueChange: value => setFrozen(value) }), [frozen, setFrozen]);
// save on form change. Because effect called on each event, debounce it.
const debouncedSave = useRef(
debounce(async (frozen, memo) => {
wallet.setUTXOMetadata(output.txid, output.vout, { frozen, memo });
await saveToDisk();
}, 500),
);
useEffect(() => {
debouncedSave.current(frozen, memo);
}, [frozen, memo]);
return (
<>
<Output item={output} full />
<BlueSpacing20 />
<TextInput
testID="OutputMemo"
placeholder={loc.send.details_note_placeholder}
value={memo}
placeholderTextColor="#81868e"
style={[
mStyles.memoTextInput,
{
borderColor: colors.formBorder,
borderBottomColor: colors.formBorder,
backgroundColor: colors.inputBackgroundColor,
},
]}
onChangeText={onMemoChange}
/>
<BlueListItem title={loc.cc.freezeLabel} Component={TouchableWithoutFeedback} switch={switchValue} />
<BlueSpacing20 />
<View style={mStyles.buttonContainer}>
<BlueButton testID="UseCoin" title={loc.cc.use_coin} onPress={() => onUseCoin([output])} />
</View>
<BlueSpacing20 />
</>
);
};
OutputModalContent.propTypes = {
output: PropTypes.object,
wallet: PropTypes.object,
onUseCoin: PropTypes.func.isRequired,
};
const CoinControl = () => {
const { colors } = useTheme();
const navigation = useNavigation();
const { walletId, onUTXOChoose } = useRoute().params;
const { wallets } = useContext(BlueStorageContext);
const wallet = wallets.find(w => w.getID() === walletId);
// sort by height ascending, txid , vout ascending
const utxo = wallet.getUtxo(true).sort((a, b) => a.height - b.height || a.txid.localeCompare(b.txid) || a.vout - b.vout);
const [output, setOutput] = useState();
const [loading, setLoading] = useState(true);
const stylesHook = StyleSheet.create({
tip: {
backgroundColor: colors.ballOutgoingExpired,
},
});
const tipCoins = () => {
return (
utxo.length >= 1 && (
<View style={[styles.tip, stylesHook.tip]}>
<Text style={{ color: colors.foregroundColor }}>{loc.cc.tip}</Text>
</View>
)
);
};
useEffect(() => {
wallet.fetchUtxo().then(() => setLoading(false));
}, [wallet, setLoading]);
const handleChoose = item => setOutput(item);
const handleUseCoin = utxo => {
setOutput(null);
navigation.pop();
onUTXOChoose(utxo);
};
const renderItem = p => {
const { memo, frozen } = wallet.getUTXOMetadata(p.item.txid, p.item.vout);
const change = wallet.addressIsChange(p.item.address);
return <Output item={p.item} oMemo={memo} frozen={frozen} change={change} onPress={() => handleChoose(p.item)} />;
};
if (loading) {
return (
<SafeBlueArea style={[styles.root, styles.center, { backgroundColor: colors.elevated }]}>
<ActivityIndicator testID="Loading" />
</SafeBlueArea>
);
}
return (
<SafeBlueArea style={[styles.root, { backgroundColor: colors.elevated }]}>
{utxo.length === 0 && (
<View style={styles.empty}>
<Text style={{ color: colors.foregroundColor }}>{loc.cc.empty}</Text>
</View>
)}
<BottomModal
isVisible={Boolean(output)}
onClose={() => {
Keyboard.dismiss();
setOutput(false);
}}
>
<KeyboardAvoidingView behavior={Platform.OS === 'ios' ? 'position' : null}>
<View style={[styles.modalContent, { backgroundColor: colors.elevated }]}>
{output && <OutputModalContent output={output} wallet={wallet} onUseCoin={handleUseCoin} />}
</View>
</KeyboardAvoidingView>
</BottomModal>
<FlatList ListHeaderComponent={tipCoins} data={utxo} renderItem={renderItem} keyExtractor={item => `${item.txid}:${item.vout}`} />
</SafeBlueArea>
);
};
const styles = StyleSheet.create({
root: {
flex: 1,
},
center: {
justifyContent: 'center',
alignItems: 'center',
},
modalContent: {
padding: 22,
justifyContent: 'center',
borderTopLeftRadius: 16,
borderTopRightRadius: 16,
borderColor: 'rgba(0, 0, 0, 0.1)',
},
empty: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
padding: 24,
},
tip: {
marginHorizontal: 16,
borderRadius: 12,
padding: 16,
marginVertical: 24,
},
});
CoinControl.navigationOptions = () => ({
...BlueNavigationStyle(null, false),
title: loc.cc.header,
gestureEnabled: false,
});
export default CoinControl;