Merge pull request #936 from esteemapp/feature/delegate

Feature/delegate

src/providers/steem/dsteem.js

@@ -692,7 +692,7 @@ export const delegateVestingShares = (currentAccount, pin, data) => {
         'delegate_vesting_shares',
         {
           delegator: data.from,
-          delegatee: data.to,
+          delegatee: data.destination,
           vesting_shares: data.amount,
         },
       ],

src/screens/transfer/container/transferContainer.js

@@ -134,6 +134,8 @@ class TransferContainer extends Component {
         break;
       case 'delegate':
         func = delegateVestingShares;
+        currentAccount = selectedAccount;
+        data.amount = `${amount.toFixed(6)} VESTS`;
         break;
       default:
         break;

src/screens/transfer/index.js

@@ -4,6 +4,7 @@ import TransferContainer from './container/transferContainer';
 
 import TransferView from './screen/transferScreen';
 import PowerDownView from './screen/powerDownScreen';
+import DelegateView from './screen/delegateScreen';
 
 const Transfer = ({ navigation }) => (
   <TransferContainer navigation={navigation}>
@@ -44,7 +45,19 @@ const Transfer = ({ navigation }) => (
             />
           );
         case 'delegate':
-          return null;
+          return (
+            <DelegateView
+              accounts={accounts}
+              currentAccountName={currentAccountName}
+              selectedAccount={selectedAccount}
+              getAccountsWithUsername={getAccountsWithUsername}
+              balance={balance}
+              fetchBalance={fetchBalance}
+              transferToAccount={transferToAccount}
+              accountType={accountType}
+              handleOnModalClose={handleOnModalClose}
+            />
+          );
         case 'power_down':
           return (
             <PowerDownView

src/screens/transfer/screen/delegateScreen.js

@@ -0,0 +1,232 @@
+import React, { Component, Fragment } from 'react';
+import { View, Text, WebView } from 'react-native';
+import { injectIntl } from 'react-intl';
+import Slider from 'react-native-slider';
+import get from 'lodash/get';
+import ActionSheet from 'react-native-actionsheet';
+
+// Constants
+import AUTH_TYPE from '../../../constants/authType';
+import { steemConnectOptions } from '../../../constants/steemConnectOptions';
+
+// Components
+import { BasicHeader } from '../../../components/basicHeader';
+import { TransferFormItem } from '../../../components/transferFormItem';
+import { DropdownButton } from '../../../components/dropdownButton';
+import { TextInput } from '../../../components/textInput';
+import { MainButton } from '../../../components/mainButton';
+import { UserAvatar } from '../../../components/userAvatar';
+import { Icon } from '../../../components/icon';
+import { Modal } from '../../../components/modal';
+
+import parseToken from '../../../utils/parseToken';
+import { isEmptyDate } from '../../../utils/time';
+
+// Styles
+import styles from './transferStyles';
+
+class DelegateScreen extends Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      amount: 0,
+      isTransfering: false,
+      from: props.currentAccountName,
+      destination: '',
+      steemConnectTransfer: false,
+    };
+
+    this.startActionSheet = React.createRef();
+  }
+
+  // Component Life Cycles
+
+  // Component Functions
+  _setState = (key, value) => {
+    const { getAccountsWithUsername, balance } = this.props;
+
+    if (key) {
+      switch (key) {
+        case 'destination':
+          getAccountsWithUsername(value).then(res => {
+            const isValid = res.includes(value);
+
+            this.setState({ isUsernameValid: isValid });
+          });
+          this.setState({ [key]: value });
+          break;
+        case 'amount':
+          if (parseFloat(Number(value)) <= parseFloat(balance)) {
+            this.setState({ [key]: value });
+          }
+          break;
+
+        default:
+          this.setState({ [key]: value });
+          break;
+      }
+    }
+  };
+
+  _handleTransferAction = () => {
+    const { transferToAccount, accountType } = this.props;
+    const { from, destination, amount } = this.state;
+
+    this.setState({ isTransfering: true });
+
+    if (accountType === AUTH_TYPE.STEEM_CONNECT) {
+      this.setState({ steemConnectTransfer: true });
+    } else {
+      transferToAccount(from, destination, amount, '');
+    }
+  };
+
+  _handleOnAmountChange = (state, amount) => {
+    let _amount = amount.toString();
+    if (_amount.includes(',')) {
+      _amount = amount.replace(',', '.');
+    }
+
+    this._setState(state, _amount);
+  };
+
+  _handleOnDropdownChange = value => {
+    const { fetchBalance } = this.props;
+
+    fetchBalance(value);
+    this.setState({ from: value, amount: 0 });
+  };
+
+  _renderDropdown = (accounts, currentAccountName) => (
+    <DropdownButton
+      dropdownButtonStyle={styles.dropdownButtonStyle}
+      rowTextStyle={styles.rowTextStyle}
+      style={styles.dropdown}
+      dropdownStyle={styles.dropdownStyle}
+      textStyle={styles.dropdownText}
+      options={accounts.map(item => item.username)}
+      defaultText={currentAccountName}
+      selectedOptionIndex={accounts.findIndex(item => item.username === currentAccountName)}
+      onSelect={(index, value) => this._handleOnDropdownChange(value)}
+    />
+  );
+
+  _renderInput = (placeholder, state, keyboardType, isTextArea) => (
+    <TextInput
+      style={[isTextArea ? styles.textarea : styles.input]}
+      onChangeText={amount => this._handleOnAmountChange(state, amount)}
+      value={this.state[state]}
+      placeholder={placeholder}
+      placeholderTextColor="#c1c5c7"
+      autoCapitalize="none"
+      multiline={isTextArea}
+      numberOfLines={isTextArea ? 4 : 1}
+      keyboardType={keyboardType}
+    />
+  );
+
+  _renderInformationText = text => <Text style={styles.amountText}>{text}</Text>;
+
+  render() {
+    const { intl, accounts, currentAccountName, selectedAccount, handleOnModalClose } = this.props;
+    const { amount, isTransfering, from, destination, steemConnectTransfer } = this.state;
+    let availableVestingShares = 0;
+
+    if (!isEmptyDate(get(selectedAccount, 'next_vesting_withdrawal'))) {
+      // powering down
+      availableVestingShares =
+        parseToken(get(selectedAccount, 'vesting_shares')) -
+        (Number(get(selectedAccount, 'to_withdraw')) - Number(get(selectedAccount, 'withdrawn'))) /
+          1e6 -
+        parseToken(get(selectedAccount, 'delegated_vesting_shares'));
+    } else {
+      // not powering down
+      availableVestingShares =
+        parseToken(get(selectedAccount, 'vesting_shares')) -
+        parseToken(get(selectedAccount, 'delegated_vesting_shares'));
+    }
+    const fixedAmount = `${amount.toFixed(6)} VESTS`;
+    const path = `sign/delegate-vesting-shares?delegator=${from}&delegatee=${destination}&vesting_shares=${encodeURIComponent(
+      fixedAmount,
+    )}`;
+
+    return (
+      <Fragment>
+        <BasicHeader title={intl.formatMessage({ id: 'transfer.delegate' })} />
+        <View style={styles.container}>
+          <View style={styles.topContent}>
+            <UserAvatar username={from} size="xl" style={styles.userAvatar} noAction />
+            <Icon style={styles.icon} name="arrow-forward" iconType="MaterialIcons" />
+            <UserAvatar username={destination} size="xl" style={styles.userAvatar} noAction />
+          </View>
+          <View style={styles.middleContent}>
+            <TransferFormItem
+              label={intl.formatMessage({ id: 'transfer.account' })}
+              rightComponent={() => this._renderDropdown(accounts, currentAccountName)}
+            />
+            <TransferFormItem
+              label={intl.formatMessage({ id: 'transfer.to' })}
+              rightComponent={() =>
+                this._renderInput(
+                  intl.formatMessage({ id: 'transfer.to_placeholder' }),
+                  'destination',
+                  'default',
+                )
+              }
+            />
+            <TransferFormItem
+              label={intl.formatMessage({ id: 'transfer.amount' })}
+              rightComponent={() => this._renderInformationText(`${amount.toFixed(6)} VESTS`)}
+            />
+            <Slider
+              style={styles.slider}
+              trackStyle={styles.track}
+              thumbStyle={styles.thumb}
+              minimumTrackTintColor="#357ce6"
+              thumbTintColor="#007ee5"
+              maximumValue={availableVestingShares}
+              value={amount}
+              onValueChange={value => {
+                this.setState({ amount: value });
+              }}
+            />
+            <Text style={styles.informationText}>
+              {intl.formatMessage({ id: 'transfer.amount_information' })}
+            </Text>
+          </View>
+          <View style={styles.bottomContent}>
+            <MainButton
+              style={styles.button}
+              onPress={() => this.startActionSheet.current.show()}
+              isLoading={isTransfering}
+            >
+              <Text style={styles.buttonText}>{intl.formatMessage({ id: 'transfer.next' })}</Text>
+            </MainButton>
+          </View>
+        </View>
+        <ActionSheet
+          ref={this.startActionSheet}
+          options={[
+            intl.formatMessage({ id: 'alert.confirm' }),
+            intl.formatMessage({ id: 'alert.cancel' }),
+          ]}
+          title={intl.formatMessage({ id: 'transfer.information' })}
+          cancelButtonIndex={1}
+          destructiveButtonIndex={0}
+          onPress={index => (index === 0 ? this._handleTransferAction() : null)}
+        />
+        <Modal
+          isOpen={steemConnectTransfer}
+          isFullScreen
+          isCloseButton
+          handleOnModalClose={handleOnModalClose}
+          title={intl.formatMessage({ id: 'transfer.steemconnect_title' })}
+        >
+          <WebView source={{ uri: `${steemConnectOptions.base_url}${path}` }} />
+        </Modal>
+      </Fragment>
+    );
+  }
+}
+
+export default injectIntl(DelegateScreen);

src/screens/transfer/screen/powerDownScreen.js

@@ -1,12 +1,11 @@
 import React, { Fragment, Component } from 'react';
-import { Text, View, WebView, ScrollView, Alert } from 'react-native';
+import { Text, View, ScrollView, Alert } from 'react-native';
 import ActionSheet from 'react-native-actionsheet';
 import { injectIntl } from 'react-intl';
 import Slider from 'react-native-slider';
 import get from 'lodash/get';
 
 import { getWithdrawRoutes } from '../../../providers/steem/dsteem';
-import { steemConnectOptions } from '../../../constants/steemConnectOptions';
 import AUTH_TYPE from '../../../constants/authType';
 
 import { BasicHeader } from '../../../components/basicHeader';
@@ -75,13 +74,16 @@ class PowerDownView extends Component {
   };
 
   _handleTransferAction = () => {
-    const { transferToAccount, accountType } = this.props;
+    const { transferToAccount, accountType, intl } = this.props;
     const { from, destinationAccounts, amount } = this.state;
 
     this.setState({ isTransfering: true });
 
     if (accountType === AUTH_TYPE.STEEM_CONNECT) {
-      this.setState({ steemConnectTransfer: true });
+      Alert.alert(
+        intl.formatMessage({ id: 'alert.warning' }),
+        intl.formatMessage({ id: 'transfer.sc_power_down_error' }),
+      );
     } else {
       transferToAccount(from, destinationAccounts, amount, '');
     }
@@ -190,14 +192,12 @@ class PowerDownView extends Component {
       accounts,
       selectedAccount,
       intl,
-      handleOnModalClose,
       getAccountsWithUsername,
       transferType,
       currentAccountName,
       steemPerMVests,
     } = this.props;
-    const { amount, steemConnectTransfer, isTransfering, isOpenWithdrawAccount } = this.state;
+    const { amount, isTransfering, isOpenWithdrawAccount } = this.state;
-    let path;
     let poweringDownVests = 0;
     let availableVestingShares = 0;
 
@@ -358,15 +358,6 @@ class PowerDownView extends Component {
             handleOnSubmit={this._handleOnSubmit}
           />
         </Modal>
-        <Modal
-          isOpen={steemConnectTransfer}
-          isFullScreen
-          isCloseButton
-          handleOnModalClose={handleOnModalClose}
-          title={intl.formatMessage({ id: 'transfer.steemconnect_title' })}
-        >
-          <WebView source={{ uri: `${steemConnectOptions.base_url}${path}` }} />
-        </Modal>
       </Fragment>
     );
   }

src/screens/transfer/screen/transferStyles.js

@@ -109,7 +109,6 @@ export default EStyleSheet.create({
     elevation: 3,
   },
   slider: {
-    flex: 1,
     marginHorizontal: 30,
   },
   formButton: {