523 lines
14 KiB
JavaScript
523 lines
14 KiB
JavaScript
// @flow
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import React from 'react';
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// UTILS
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import { formatGasLimit } from 'utils/formatters';
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import translate from 'translations';
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import pickBy from 'lodash/pickBy';
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// SELECTORS
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import { getNodeConfig } from 'selectors/config';
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import {
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getNodeLib,
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getNetworkConfig,
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getGasPriceGwei
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} from 'selectors/config';
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import {
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getTokenBalances,
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getTxFromBroadcastTransactionStatus
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} from 'selectors/wallet';
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import { getTokens } from 'selectors/wallet';
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import type { TokenBalance } from 'selectors/wallet';
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// COMPONENTS
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import { UnlockHeader } from 'components/ui';
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import {
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Donate,
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DataField,
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CustomMessage,
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GasField,
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AmountField,
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AddressField,
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ConfirmationModal
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} from './components';
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import { BalanceSidebar } from 'components';
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// CONFIG
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import type { NodeConfig } from 'config/data';
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import type { Token, NetworkConfig } from 'config/data';
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import { donationAddressMap } from 'config/data';
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// REDUX
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import { connect } from 'react-redux';
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import type { State as AppState } from 'reducers';
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import { broadcastTx } from 'actions/wallet';
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import type { BroadcastTxRequestedAction } from 'actions/wallet';
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import { showNotification } from 'actions/notifications';
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import type { ShowNotificationAction } from 'actions/notifications';
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// LIBS
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import type { IWallet } from 'libs/wallet/IWallet';
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import { isValidETHAddress } from 'libs/validators';
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import type { RPCNode } from 'libs/nodes';
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import type {
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BroadcastTransactionStatus,
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TransactionInput,
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CompleteTransaction
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} from 'libs/transaction';
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import type { TransactionWithoutGas } from 'libs/messages';
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import type { UNIT } from 'libs/units';
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import { Wei, Ether, GWei } from 'libs/units';
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import {
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generateCompleteTransaction,
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getBalanceMinusGasCosts,
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formatTxInput
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} from 'libs/transaction';
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// MISC
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import customMessages from './messages';
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import Big from 'bignumber.js';
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type State = {
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hasQueryString: boolean,
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readOnly: boolean,
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to: string,
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// amount value
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value: string,
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// $FlowFixMe - Comes from getParam not validating unit
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unit: UNIT,
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token: ?Token,
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gasLimit: string,
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data: string,
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gasChanged: boolean,
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transaction: ?CompleteTransaction,
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showTxConfirm: boolean,
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generateDisabled: boolean
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};
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function getParam(query: { [string]: string }, key: string) {
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const keys = Object.keys(query);
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const index = keys.findIndex(k => k.toLowerCase() === key.toLowerCase());
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if (index === -1) {
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return null;
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}
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return query[keys[index]];
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}
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type Props = {
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location: {
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query: {
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[string]: string
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}
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},
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wallet: IWallet,
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balance: Ether,
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node: NodeConfig,
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nodeLib: RPCNode,
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network: NetworkConfig,
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tokens: Token[],
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tokenBalances: TokenBalance[],
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gasPrice: Wei,
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broadcastTx: (signedTx: string) => BroadcastTxRequestedAction,
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showNotification: (
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level: string,
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msg: string,
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duration?: number
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) => ShowNotificationAction,
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transactions: Array<BroadcastTransactionStatus>
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};
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const initialState = {
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hasQueryString: false,
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readOnly: false,
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to: '',
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value: '',
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unit: 'ether',
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token: null,
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gasLimit: '21000',
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data: '',
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gasChanged: false,
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showTxConfirm: false,
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transaction: null,
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generateDisabled: true
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};
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export class SendTransaction extends React.Component {
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props: Props;
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state: State = initialState;
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componentDidMount() {
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const queryPresets = pickBy(this.parseQuery());
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if (Object.keys(queryPresets).length) {
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this.setState({ ...queryPresets, hasQueryString: true });
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}
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}
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componentDidUpdate(_prevProps: Props, prevState: State) {
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// TODO listen to gas price changes here
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// TODO debounce the call
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if (
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// if gas has not changed
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!this.state.gasChanged &&
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// if we have valid tx
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this.isValid() &&
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// if any relevant fields changed
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(this.state.to !== prevState.to ||
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this.state.value !== prevState.value ||
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this.state.unit !== prevState.unit ||
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this.state.data !== prevState.data)
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) {
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if (!isNaN(parseInt(this.state.value))) {
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this.estimateGas();
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}
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}
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if (this.state.generateDisabled === this.isValid()) {
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this.setState({ generateDisabled: !this.isValid() });
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}
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const componentStateTransaction = this.state.transaction;
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if (componentStateTransaction) {
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// lives in redux state
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const currentTxAsSignedTransaction = getTxFromBroadcastTransactionStatus(
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this.props.transactions,
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componentStateTransaction.signedTx
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);
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// if there is a matching tx in redux state
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if (currentTxAsSignedTransaction) {
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// if the broad-casted transaction attempt is successful, clear the form
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if (currentTxAsSignedTransaction.successfullyBroadcast) {
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this.resetTx();
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}
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}
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}
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}
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render() {
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const unlocked = !!this.props.wallet;
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const {
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to,
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value,
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unit,
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gasLimit,
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data,
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readOnly,
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hasQueryString,
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showTxConfirm,
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transaction
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} = this.state;
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const customMessage = customMessages.find(m => m.to === to);
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return (
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<section className="Tab-content">
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<UnlockHeader title={'NAV_SendEther'} />
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<div className="row">
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{/* Send Form */}
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{unlocked &&
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<main className="col-sm-8">
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<div className="Tab-content-pane">
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{hasQueryString &&
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<div className="alert alert-info">
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<p>
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{translate('WARN_Send_Link')}
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</p>
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</div>}
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<AddressField
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placeholder={donationAddressMap.ETH}
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value={this.state.to}
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onChange={readOnly ? null : this.onAddressChange}
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/>
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<AmountField
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value={value}
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unit={unit}
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tokens={this.props.tokenBalances
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.filter(token => !token.balance.eq(0))
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.map(token => token.symbol)
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.sort()}
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onChange={readOnly ? void 0 : this.onAmountChange}
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/>
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<GasField
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value={gasLimit}
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onChange={readOnly ? void 0 : this.onGasChange}
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/>
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{unit === 'ether' &&
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<DataField
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value={data}
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onChange={readOnly ? void 0 : this.onDataChange}
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/>}
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<CustomMessage message={customMessage} />
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<div className="row form-group">
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<div className="col-xs-12 clearfix">
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<button
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disabled={this.state.generateDisabled}
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className="btn btn-info btn-block"
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onClick={this.generateTxFromState}
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>
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{translate('SEND_generate')}
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</button>
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</div>
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</div>
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{transaction &&
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<div>
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<div className="row form-group">
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<div className="col-sm-6">
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<label>
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{translate('SEND_raw')}
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</label>
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<textarea
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className="form-control"
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value={transaction.rawTx}
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rows="4"
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readOnly
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/>
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</div>
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<div className="col-sm-6">
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<label>
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{translate('SEND_signed')}
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</label>
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<textarea
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className="form-control"
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value={transaction.signedTx}
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rows="4"
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readOnly
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/>
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</div>
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</div>
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<div className="form-group">
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<button
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className="btn btn-primary btn-block col-sm-11"
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disabled={!this.state.transaction}
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onClick={this.openTxModal}
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>
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{translate('SEND_trans')}
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</button>
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</div>
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</div>}
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</div>
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</main>}
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{/* Sidebar */}
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{unlocked &&
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<section className="col-sm-4">
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<BalanceSidebar />
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</section>}
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</div>
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{transaction &&
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showTxConfirm &&
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<ConfirmationModal
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wallet={this.props.wallet}
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node={this.props.node}
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signedTx={transaction.signedTx}
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onClose={this.hideConfirmTx}
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onConfirm={this.confirmTx}
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/>}
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</section>
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);
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}
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parseQuery() {
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const query = this.props.location.query;
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const to = getParam(query, 'to');
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const data = getParam(query, 'data');
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// FIXME validate token against presets
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const unit = getParam(query, 'tokenSymbol');
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const value = getParam(query, 'value');
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let gasLimit = getParam(query, 'gas');
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if (gasLimit === null) {
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gasLimit = getParam(query, 'limit');
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}
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const readOnly = getParam(query, 'readOnly') != null;
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return { to, data, value, unit, gasLimit, readOnly };
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}
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isValid() {
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const { to, value, gasLimit } = this.state;
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return (
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isValidETHAddress(to) &&
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value &&
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Number(value) > 0 &&
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!isNaN(Number(value)) &&
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isFinite(Number(value)) &&
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!isNaN(parseInt(gasLimit)) &&
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isFinite(parseInt(gasLimit))
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);
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}
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async getFormattedTxFromState(): Promise<TransactionWithoutGas> {
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const { wallet } = this.props;
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const { token, unit, value, to, data } = this.state;
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const transactionInput: TransactionInput = {
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token,
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unit,
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value,
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to,
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data
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};
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return await formatTxInput(wallet, transactionInput);
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}
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async estimateGas() {
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if (isNaN(parseInt(this.state.value))) {
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return;
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}
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try {
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const cachedFormattedTx = await this.getFormattedTxFromState();
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// Grab a reference to state. If it has changed by the time the estimateGas
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// call comes back, we don't want to replace the gasLimit in state.
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const state = this.state;
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const gasLimit = await this.props.nodeLib.estimateGas(cachedFormattedTx);
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if (this.state === state) {
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this.setState({ gasLimit: formatGasLimit(gasLimit, state.unit) });
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} else {
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// state has changed, so try again from the start (with the hope that state won't change by the next time)
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this.estimateGas();
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}
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} catch (error) {
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this.setState({ generateDisabled: true });
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this.props.showNotification('danger', error.message, 5000);
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}
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}
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// FIXME use mkTx instead or something that could take care of default gas/data and whatnot,
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onNewTx = (
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address: string,
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amount: string,
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unit: string,
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data: string = '',
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gasLimit: string = '21000'
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) => {
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this.setState({
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to: address,
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value: amount,
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unit,
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data,
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gasLimit,
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gasChanged: false
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});
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};
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onAddressChange = (value: string) => {
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this.setState({
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to: value
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});
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};
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onDataChange = (value: string) => {
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if (this.state.unit === 'ether') {
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this.setState({ data: value });
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}
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};
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onGasChange = (value: string) => {
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this.setState({ gasLimit: value, gasChanged: true });
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};
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handleEverythingAmountChange = (value: string, unit: string): string => {
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if (unit === 'ether') {
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const { balance, gasPrice } = this.props;
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const { gasLimit } = this.state;
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const weiBalance = balance.toWei();
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const bigGasLimit = new Big(gasLimit);
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value = getBalanceMinusGasCosts(
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bigGasLimit,
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gasPrice,
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weiBalance
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).toString();
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} else {
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const tokenBalance = this.props.tokenBalances.find(
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tokenBalance => tokenBalance.symbol === unit
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);
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if (!tokenBalance) {
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throw new Error(`${unit}: not found in token balances;`);
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}
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value = tokenBalance.balance.toString();
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}
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return value;
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};
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onAmountChange = (value: string, unit: string) => {
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if (value === 'everything') {
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value = this.handleEverythingAmountChange(value, unit);
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}
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let transaction = this.state.transaction;
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let generateDisabled = this.state.generateDisabled;
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if (unit && unit !== this.state.unit) {
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value = '';
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transaction = null;
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generateDisabled = true;
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}
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let token = this.props.tokens.find(x => x.symbol === unit);
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this.setState({
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value,
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unit,
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token,
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transaction,
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generateDisabled
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});
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};
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resetJustTx = async (): Promise<*> => {
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new Promise(resolve => {
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this.setState(
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{
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transaction: null
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},
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resolve
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);
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});
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};
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generateTxFromState = async () => {
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await this.resetJustTx();
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const { nodeLib, wallet, gasPrice, network } = this.props;
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const { token, unit, value, to, data, gasLimit } = this.state;
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const chainId = network.chainId;
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const transactionInput = {
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token,
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unit,
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value,
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to,
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data
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};
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const bigGasLimit = new Big(gasLimit);
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try {
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const signedTx = await generateCompleteTransaction(
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wallet,
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nodeLib,
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gasPrice,
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bigGasLimit,
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chainId,
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transactionInput
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);
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this.setState({ transaction: signedTx });
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} catch (err) {
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this.props.showNotification('danger', err.message, 5000);
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}
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};
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openTxModal = () => {
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this.setState({ showTxConfirm: true });
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};
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hideConfirmTx = () => {
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this.setState({ showTxConfirm: false });
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};
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resetTx = () => {
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this.setState({
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to: '',
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value: '',
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transaction: null
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});
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};
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confirmTx = (signedTx: string) => {
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this.props.broadcastTx(signedTx);
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};
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}
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function mapStateToProps(state: AppState) {
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return {
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wallet: state.wallet.inst,
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balance: state.wallet.balance,
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tokenBalances: getTokenBalances(state),
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node: getNodeConfig(state),
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nodeLib: getNodeLib(state),
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network: getNetworkConfig(state),
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tokens: getTokens(state),
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gasPrice: new GWei(getGasPriceGwei(state)).toWei(),
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transactions: state.wallet.transactions
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};
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}
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export default connect(mapStateToProps, { showNotification, broadcastTx })(
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SendTransaction
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);
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