83 lines
2.3 KiB
TypeScript
83 lines
2.3 KiB
TypeScript
import { formatUsd } from './formatters';
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export function getAmountError(amount: number, max: number = Infinity, min?: number) {
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if (amount < 0) {
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return 'Amount must be a positive number';
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} else if (
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amount.toFixed(3).length < amount.toString().length ||
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amount.toString().includes('1e')
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) {
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return 'Must be in increments of 0.001';
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} else if (amount > max) {
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return `Cannot exceed maximum (${max} ZEC)`;
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} else if (min && amount < min) {
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return `Must be at least ${min} ZEC`;
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}
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return null;
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}
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export function getAmountErrorUsd(amount: number, max: number = Infinity, min?: number) {
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if (amount < 0) {
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return 'Amount must be a positive number';
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} else if (!Number.isInteger(amount)) {
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return 'Amount must be a whole number';
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} else if (amount > max) {
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return `Cannot exceed maximum (${formatUsd(max)})`;
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} else if (min && amount < min) {
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return `Must be at least ${formatUsd(min)}`;
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}
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return null;
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}
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// Covers the edge case where whole decimals (eg. 100.00) is valid in getAmountErrorUsd
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export function getAmountErrorUsdFromString(amount: string) {
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return amount.indexOf('.') !== -1 ? 'Amount must be a whole number' : null;
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}
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export function getAmountErrorFromString(amount: string, max?: number, min?: number) {
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const parsedAmount = parseFloat(amount);
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if (Number.isNaN(parsedAmount)) {
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return 'Not a valid number';
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}
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// prevents "-0" from being valid...
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if (amount[0] === '-') {
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return 'Amount must be a positive number';
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}
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return getAmountError(parsedAmount, max, min);
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}
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export function isValidEmail(email: string): boolean {
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return /\S+@\S+\.\S+/.test(email);
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}
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// Uses simple regex to validate addresses, doesn't check checksum or network
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export function isValidTAddress(address: string): boolean {
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if (/^t[a-zA-Z0-9]{34}$/.test(address)) {
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return true;
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}
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return false;
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}
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export function isValidSproutAddress(address: string): boolean {
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if (/^z[a-zA-Z0-9]{94}$/.test(address)) {
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return true;
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}
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return false;
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}
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export function isValidSaplingAddress(address: string): boolean {
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if (address.substring(0, 3) !== 'zs1') {
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return false;
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}
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if (/^z(s)?(reg)?(testsapling)?[a-zA-Z0-9]{76}$/.test(address)) {
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return true;
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}
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return false;
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}
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export function isValidAddress(a: string): boolean {
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return isValidSproutAddress(a) || isValidSaplingAddress(a);
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}
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