Differential D9045 Diff 27286 web/cashtab/src/utils/validation.js

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web/cashtab/src/utils/validation.js

				import BigNumber from 'bignumber.js';
	import { currency } from '@components/Common/Ticker.js';			import { currency } from '@components/Common/Ticker.js';

	// Validate cash amount			// Validate cash amount
	export const shouldRejectAmountInput = (			export const shouldRejectAmountInput = (
	cashAmount,			cashAmount,
	selectedCurrency,			selectedCurrency,
	fiatPrice,			fiatPrice,
	totalCashBalance,			totalCashBalance,
	) => {			) => {
	// Take cashAmount as input, a string from form input			// Take cashAmount as input, a string from form input
	let error = false;			let error = false;
	let testedAmount = cashAmount;			let testedAmount = new BigNumber(cashAmount);

	if (selectedCurrency === 'USD') {			if (selectedCurrency === 'USD') {
	testedAmount = (cashAmount / fiatPrice).toFixed(8);			// Ensure no more than 8 decimal places
				testedAmount = new BigNumber(fiatToCrypto(cashAmount, fiatPrice));
	}			}

	// Validate value for > 0			// Validate value for > 0
	if (isNaN(testedAmount)) {			if (isNaN(testedAmount)) {
	error = 'Amount must be a number';			error = 'Amount must be a number';
	} else if (testedAmount <= 0) {			} else if (testedAmount.lte(0)) {
	error = 'Amount must be greater than 0';			error = 'Amount must be greater than 0';
	} else if (testedAmount < currency.dust) {			} else if (testedAmount.lt(currency.dust)) {
	error = `Send amount must be at least ${currency.dust} ${currency.ticker}`;			error = `Send amount must be at least ${currency.dust} ${currency.ticker}`;
	} else if (testedAmount > totalCashBalance) {			} else if (testedAmount.gt(totalCashBalance)) {
	error = `Amount cannot exceed your ${currency.ticker} balance`;			error = `Amount cannot exceed your ${currency.ticker} balance`;
	} else if (!isNaN(testedAmount) && testedAmount.toString().includes('.')) {			} else if (!isNaN(testedAmount) && testedAmount.toString().includes('.')) {
	if (testedAmount.toString().split('.')[1].length > 8) {			if (testedAmount.toString().split('.')[1].length > 8) {
	error = `${currency.ticker} transactions do not support more than 8 decimal places`;			error = `${currency.ticker} transactions do not support more than 8 decimal places`;
	}			}
	}			}
	// return false if no error, or string error msg if error			// return false if no error, or string error msg if error
	return error;			return error;
	};			};

				export const fiatToCrypto = (fiatAmount, fiatPrice) => {
				// Return a string with no more than 8 decimal places
				let cryptoAmount = new BigNumber(fiatAmount)
				.div(new BigNumber(fiatPrice))
				.toFixed(8);
				return cryptoAmount;
				};