@lukasrosario/account
Version:
Base Account SDK
41 lines • 1.47 kB
JavaScript
import { isAddress } from 'viem';
/**
* Validates that the amount is a positive string with max decimal places
* @param amount - The amount to validate as a string
* @param maxDecimals - Maximum number of decimal places allowed
* @throws Error if amount is invalid
*/
export function validateStringAmount(amount, maxDecimals) {
if (typeof amount !== 'string') {
throw new Error('Invalid amount: must be a string');
}
const numAmount = parseFloat(amount);
if (isNaN(numAmount)) {
throw new Error('Invalid amount: must be a valid number');
}
if (numAmount <= 0) {
throw new Error('Invalid amount: must be greater than 0');
}
// Only allow specified decimal places
const decimalIndex = amount.indexOf('.');
if (decimalIndex !== -1) {
const decimalPlaces = amount.length - decimalIndex - 1;
if (decimalPlaces > maxDecimals) {
throw new Error(`Invalid amount: pay only supports up to ${maxDecimals} decimal places`);
}
}
}
/**
* Validates that the address is a valid Ethereum address
* @param address - The address to validate
* @throws Error if address is invalid
*/
export function validateAddress(address) {
if (!address) {
throw new Error('Invalid address: address is required');
}
if (!isAddress(address)) {
throw new Error('Invalid address: must be a valid Ethereum address');
}
}
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