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@ -1,12 +1,8 @@
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/* @flow */
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import BigNumber from 'bignumber.js';
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import EthereumjsUtil from 'ethereumjs-util';
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import EthereumjsUnits from 'ethereumjs-units';
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import { findToken } from 'reducers/TokensReducer';
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import { findDevice, getPendingAmount } from 'reducers/utils';
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import * as SEND from 'actions/constants/send';
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import * as ethUtils from 'utils/ethUtils';
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import { toDecimalAmount } from 'utils/formatUtils';
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import type {
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Dispatch,
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@ -16,65 +12,9 @@ import type {
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import type { State, FeeLevel } from 'reducers/SendFormRippleReducer';
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// general regular expressions
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const RIPPLE_ADDRESS_RE = new RegExp('^r[1-9A-HJ-NP-Za-km-z]{25,34}$');
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const XRP_ADDRESS_RE = new RegExp('^r[1-9A-HJ-NP-Za-km-z]{25,34}$');
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const NUMBER_RE: RegExp = new RegExp('^(0|0\\.([0-9]+)?|[1-9][0-9]*\\.?([0-9]+)?|\\.[0-9]+)$');
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const UPPERCASE_RE = new RegExp('^(.*[A-Z].*)$');
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const ABS_RE = new RegExp('^[0-9]+$');
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const ETH_18_RE = new RegExp('^(0|0\\.([0-9]{0,18})?|[1-9][0-9]*\\.?([0-9]{0,18})?|\\.[0-9]{0,18})$');
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const dynamicRegexp = (decimals: number): RegExp => {
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if (decimals > 0) {
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return new RegExp(`^(0|0\\.([0-9]{0,${decimals}})?|[1-9][0-9]*\\.?([0-9]{0,${decimals}})?|\\.[0-9]{1,${decimals}})$`);
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}
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return ABS_RE;
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};
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/*
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* Called from SendFormActions.observe
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* Reaction for WEB3.GAS_PRICE_UPDATED action
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*/
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export const onGasPriceUpdated = (network: string, gasPrice: string): PayloadAction<void> => (dispatch: Dispatch, getState: GetState): void => {
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// testing random data
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// function getRandomInt(min, max) {
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// return Math.floor(Math.random() * (max - min + 1)) + min;
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// }
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// const newPrice = getRandomInt(10, 50).toString();
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const state = getState().sendFormRipple;
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if (network === state.networkSymbol) return;
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// check if new price is different then currently recommended
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const newPrice: string = EthereumjsUnits.convert(gasPrice, 'wei', 'gwei');
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if (newPrice !== state.recommendedGasPrice) {
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if (!state.untouched) {
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// if there is a transaction draft let the user know
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// and let him update manually
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dispatch({
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type: SEND.CHANGE,
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state: {
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...state,
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gasPriceNeedsUpdate: true,
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recommendedGasPrice: newPrice,
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},
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});
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} else {
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// automatically update feeLevels and gasPrice
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const feeLevels = getFeeLevels(state.networkSymbol, newPrice, state.gasLimit);
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const selectedFeeLevel = getSelectedFeeLevel(feeLevels, state.selectedFeeLevel);
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dispatch({
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type: SEND.CHANGE,
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state: {
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...state,
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gasPriceNeedsUpdate: false,
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recommendedGasPrice: newPrice,
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gasPrice: selectedFeeLevel.gasPrice,
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feeLevels,
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selectedFeeLevel,
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},
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});
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}
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}
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};
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const XRP_6_RE = new RegExp('^(0|0\\.([0-9]{0,6})?|[1-9][0-9]*\\.?([0-9]{0,6})?|\\.[0-9]{0,6})$');
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/*
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* Recalculate amount, total and fees
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@ -88,65 +28,53 @@ export const validation = (): PayloadAction<State> => (dispatch: Dispatch, getSt
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state.warnings = {};
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state.infos = {};
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state = dispatch(recalculateTotalAmount(state));
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state = dispatch(updateCustomFeeLabel(state));
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state = dispatch(addressValidation(state));
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state = dispatch(addressLabel(state));
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state = dispatch(amountValidation(state));
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state = dispatch(gasLimitValidation(state));
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state = dispatch(gasPriceValidation(state));
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state = dispatch(nonceValidation(state));
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state = dispatch(dataValidation(state));
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return state;
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};
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export const recalculateTotalAmount = ($state: State): PayloadAction<State> => (dispatch: Dispatch, getState: GetState): State => {
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const recalculateTotalAmount = ($state: State): PayloadAction<State> => (dispatch: Dispatch, getState: GetState): State => {
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const {
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account,
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tokens,
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pending,
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} = getState().selectedAccount;
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if (!account) return $state;
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const blockchain = getState().blockchain.find(b => b.shortcut === account.network);
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if (!blockchain) return $state;
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const fee = toDecimalAmount(blockchain.fee, 6);
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const state = { ...$state };
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if (state.setMax) {
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const pendingAmount = getPendingAmount(pending, state.networkSymbol, false);
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const b = new BigNumber(account.balance).minus(pendingAmount);
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state.amount = calculateMaxAmount(b, state.gasPrice, state.gasLimit);
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state.amount = calculateMaxAmount(b, fee);
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}
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state.total = calculateTotal(isToken ? '0' : state.amount, state.gasPrice, state.gasLimit);
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return state;
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};
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export const updateCustomFeeLabel = ($state: State): PayloadAction<State> => (): State => {
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const state = { ...$state };
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if ($state.selectedFeeLevel.value === 'Custom') {
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state.selectedFeeLevel = {
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...state.selectedFeeLevel,
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gasPrice: state.gasPrice,
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label: `${calculateFee(state.gasPrice, state.gasLimit)} ${state.networkSymbol}`,
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};
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}
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state.total = calculateTotal(state.amount, fee);
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return state;
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};
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/*
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* Address value validation
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*/
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export const addressValidation = ($state: State): PayloadAction<State> => (dispatch: Dispatch, getState: GetState): State => {
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const addressValidation = ($state: State): PayloadAction<State> => (dispatch: Dispatch, getState: GetState): State => {
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const state = { ...$state };
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if (!state.touched.address) return state;
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const { network } = getState().selectedAccount;
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if (!network) return state;
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const { account, network } = getState().selectedAccount;
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if (!account || !network) return state;
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const { address } = state;
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if (address.length < 1) {
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state.errors.address = 'Address is not set';
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} else if (!address.match(RIPPLE_ADDRESS_RE)) {
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} else if (!address.match(XRP_ADDRESS_RE)) {
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state.errors.address = 'Address is not valid';
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} else if (address.toLowerCase() === account.address.toLowerCase()) {
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state.errors.address = 'Cannot send to myself';
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}
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return state;
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};
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@ -154,7 +82,7 @@ export const addressValidation = ($state: State): PayloadAction<State> => (dispa
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/*
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* Address label assignation
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*/
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export const addressLabel = ($state: State): PayloadAction<State> => (dispatch: Dispatch, getState: GetState): State => {
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const addressLabel = ($state: State): PayloadAction<State> => (dispatch: Dispatch, getState: GetState): State => {
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const state = { ...$state };
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if (!state.touched.address || state.errors.address) return state;
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@ -192,13 +120,12 @@ export const addressLabel = ($state: State): PayloadAction<State> => (dispatch:
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/*
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* Amount value validation
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*/
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export const amountValidation = ($state: State): PayloadAction<State> => (dispatch: Dispatch, getState: GetState): State => {
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const amountValidation = ($state: State): PayloadAction<State> => (dispatch: Dispatch, getState: GetState): State => {
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const state = { ...$state };
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if (!state.touched.amount) return state;
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const {
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account,
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tokens,
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pending,
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} = getState().selectedAccount;
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if (!account) return state;
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@ -209,25 +136,10 @@ export const amountValidation = ($state: State): PayloadAction<State> => (dispat
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} else if (amount.length > 0 && !amount.match(NUMBER_RE)) {
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state.errors.amount = 'Amount is not a number';
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} else {
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const isToken: boolean = state.currency !== state.networkSymbol;
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const pendingAmount: BigNumber = getPendingAmount(pending, state.currency, isToken);
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const pendingAmount: BigNumber = getPendingAmount(pending, state.networkSymbol);
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if (isToken) {
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const token = findToken(tokens, account.address, state.currency, account.deviceState);
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if (!token) return state;
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const decimalRegExp = dynamicRegexp(parseInt(token.decimals, 0));
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if (!state.amount.match(decimalRegExp)) {
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state.errors.amount = `Maximum ${token.decimals} decimals allowed`;
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} else if (new BigNumber(state.total).greaterThan(account.balance)) {
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state.errors.amount = `Not enough ${state.networkSymbol} to cover transaction fee`;
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} else if (new BigNumber(state.amount).greaterThan(new BigNumber(token.balance).minus(pendingAmount))) {
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state.errors.amount = 'Not enough funds';
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} else if (new BigNumber(state.amount).lessThanOrEqualTo('0')) {
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state.errors.amount = 'Amount is too low';
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}
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} else if (!state.amount.match(ETH_18_RE)) {
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state.errors.amount = 'Maximum 18 decimals allowed';
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if (!state.amount.match(XRP_6_RE)) {
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state.errors.amount = 'Maximum 6 decimals allowed';
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} else if (new BigNumber(state.total).greaterThan(new BigNumber(account.balance).minus(pendingAmount))) {
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state.errors.amount = 'Not enough funds';
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}
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@ -235,121 +147,21 @@ export const amountValidation = ($state: State): PayloadAction<State> => (dispat
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return state;
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};
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/*
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* Gas limit value validation
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*/
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export const gasLimitValidation = ($state: State): PayloadAction<State> => (dispatch: Dispatch, getState: GetState): State => {
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const state = { ...$state };
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if (!state.touched.gasLimit) return state;
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const {
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network,
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} = getState().selectedAccount;
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if (!network) return state;
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const { gasLimit } = state;
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if (gasLimit.length < 1) {
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state.errors.gasLimit = 'Gas limit is not set';
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} else if (gasLimit.length > 0 && !gasLimit.match(NUMBER_RE)) {
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state.errors.gasLimit = 'Gas limit is not a number';
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} else {
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const gl: BigNumber = new BigNumber(gasLimit);
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if (gl.lessThan(1)) {
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state.errors.gasLimit = 'Gas limit is too low';
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} else if (gl.lessThan(state.currency !== state.networkSymbol ? network.defaultGasLimitTokens : network.defaultGasLimit)) {
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state.warnings.gasLimit = 'Gas limit is below recommended';
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}
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}
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return state;
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};
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/*
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* Gas price value validation
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*/
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export const gasPriceValidation = ($state: State): PayloadAction<State> => (): State => {
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const state = { ...$state };
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if (!state.touched.gasPrice) return state;
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const { gasPrice } = state;
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if (gasPrice.length < 1) {
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state.errors.gasPrice = 'Gas price is not set';
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} else if (gasPrice.length > 0 && !gasPrice.match(NUMBER_RE)) {
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state.errors.gasPrice = 'Gas price is not a number';
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} else {
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const gp: BigNumber = new BigNumber(gasPrice);
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if (gp.greaterThan(1000)) {
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state.warnings.gasPrice = 'Gas price is too high';
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} else if (gp.lessThanOrEqualTo('0')) {
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state.errors.gasPrice = 'Gas price is too low';
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}
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}
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return state;
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};
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/*
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* Nonce value validation
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*/
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export const nonceValidation = ($state: State): PayloadAction<State> => (dispatch: Dispatch, getState: GetState): State => {
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const state = { ...$state };
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if (!state.touched.nonce) return state;
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const {
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account,
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} = getState().selectedAccount;
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if (!account) return state;
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const { nonce } = state;
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if (nonce.length < 1) {
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state.errors.nonce = 'Nonce is not set';
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} else if (!nonce.match(ABS_RE)) {
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state.errors.nonce = 'Nonce is not a valid number';
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} else {
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const n: BigNumber = new BigNumber(nonce);
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if (n.lessThan(account.nonce)) {
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state.warnings.nonce = 'Nonce is lower than recommended';
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} else if (n.greaterThan(account.nonce)) {
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state.warnings.nonce = 'Nonce is greater than recommended';
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}
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}
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return state;
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};
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/*
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* Gas price value validation
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*/
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export const dataValidation = ($state: State): PayloadAction<State> => (): State => {
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const state = { ...$state };
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if (!state.touched.data || state.data.length === 0) return state;
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if (!ethUtils.isHex(state.data)) {
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state.errors.data = 'Data is not valid hexadecimal';
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}
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return state;
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};
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/*
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* UTILITIES
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*/
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export const calculateFee = (gasPrice: string, gasLimit: string): string => {
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const calculateTotal = (amount: string, fee: string): string => {
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try {
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return EthereumjsUnits.convert(new BigNumber(gasPrice).times(gasLimit), 'gwei', 'ether');
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return new BigNumber(amount).plus(fee).toString(10);
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} catch (error) {
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return '0';
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}
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};
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export const calculateTotal = (amount: string, gasPrice: string, gasLimit: string): string => {
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try {
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return new BigNumber(amount).plus(calculateFee(gasPrice, gasLimit)).toString(10);
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|
} catch (error) {
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|
return '0';
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}
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};
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export const calculateMaxAmount = (balance: BigNumber, gasPrice: string, gasLimit: string): string => {
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const calculateMaxAmount = (balance: BigNumber, fee: string): string => {
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|
|
|
try {
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|
|
// TODO - minus pendings
|
|
|
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|
const fee = calculateFee(gasPrice, gasLimit);
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const max = balance.minus(fee);
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if (max.lessThan(0)) return '0';
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return max.toString(10);
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|
|
@ -358,42 +170,14 @@ export const calculateMaxAmount = (balance: BigNumber, gasPrice: string, gasLimi
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}
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|
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};
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export const getFeeLevels = (symbol: string, gasPrice: BigNumber | string, gasLimit: string, selected?: FeeLevel): Array<FeeLevel> => {
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|
const price: BigNumber = typeof gasPrice === 'string' ? new BigNumber(gasPrice) : gasPrice;
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|
|
const quarter: BigNumber = price.dividedBy(4);
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|
|
const high: string = price.plus(quarter.times(2)).toString(10);
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|
|
const low: string = price.minus(quarter.times(2)).toString(10);
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|
|
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|
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|
|
const customLevel: FeeLevel = selected && selected.value === 'Custom' ? {
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|
|
|
|
value: 'Custom',
|
|
|
|
|
gasPrice: selected.gasPrice,
|
|
|
|
|
// label: `${ calculateFee(gasPrice, gasLimit) } ${ symbol }`
|
|
|
|
|
label: `${calculateFee(selected.gasPrice, gasLimit)} ${symbol}`,
|
|
|
|
|
} : {
|
|
|
|
|
value: 'Custom',
|
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|
|
|
gasPrice: low,
|
|
|
|
|
label: '',
|
|
|
|
|
};
|
|
|
|
|
export const getFeeLevels = (shortcut: string): Array<FeeLevel> => ([
|
|
|
|
|
{
|
|
|
|
|
value: 'Normal',
|
|
|
|
|
gasPrice: '1',
|
|
|
|
|
label: `1 ${shortcut}`,
|
|
|
|
|
},
|
|
|
|
|
]);
|
|
|
|
|
|
|
|
|
|
return [
|
|
|
|
|
{
|
|
|
|
|
value: 'High',
|
|
|
|
|
gasPrice: high,
|
|
|
|
|
label: `${calculateFee(high, gasLimit)} ${symbol}`,
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
value: 'Normal',
|
|
|
|
|
gasPrice: gasPrice.toString(),
|
|
|
|
|
label: `${calculateFee(price.toString(10), gasLimit)} ${symbol}`,
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
value: 'Low',
|
|
|
|
|
gasPrice: low,
|
|
|
|
|
label: `${calculateFee(low, gasLimit)} ${symbol}`,
|
|
|
|
|
},
|
|
|
|
|
customLevel,
|
|
|
|
|
];
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
export const getSelectedFeeLevel = (feeLevels: Array<FeeLevel>, selected: FeeLevel): FeeLevel => {
|
|
|
|
|
const { value } = selected;
|
|
|
|
@ -404,4 +188,4 @@ export const getSelectedFeeLevel = (feeLevels: Array<FeeLevel>, selected: FeeLev
|
|
|
|
|
selectedFeeLevel = feeLevels.find(f => f.value === 'Normal');
|
|
|
|
|
}
|
|
|
|
|
return selectedFeeLevel || selected;
|
|
|
|
|
};
|
|
|
|
|
};
|
|
|
|
|