@tristeroresearch/mach-sdk/dist/utils/dollarToTokenValue.util.js

A TypeScript SDK for integrating with Mach's API.

/**
 * @fileOverview This helper function converts a dollar value to the smallest unit of a token using the decimal precision of the token.
 * @param dollarValue - The dollar value to convert
 * @param token - The token to convert to
 * @returns The smallest unit of the token
 */
//TODO: Use the token decimals from the token contract
import { config } from '../config.js';
import { ValidationError, UnknownError } from '../errors/errors.js';
export const dollarToTokenValue = async (dollarValue, token) => {
    try {
        const tokenAddress = typeof token === 'string' ? token : token.address;
        // Access the config directly to get the available tokens
        const { availableTokens } = (await config).get();
        // Iterate through the available tokens to find the token
        for (const availableToken of Object.values(availableTokens)) {
            if (availableToken.address === tokenAddress) {
                const decimals = availableToken.decimals;
                try {
                    // Convert dollar value to cents (multiply by 100) to avoid decimal issues with BigInt
                    // Use Math.round to handle floating point precision issues
                    const dollarInCents = Math.round(dollarValue * 100);
                    // Convert to token decimals
                    const scalingFactor = BigInt(10) ** BigInt(decimals - 2);
                    return (BigInt(dollarInCents) * scalingFactor).toString();
                }
                catch (error) {
                    throw new UnknownError(`Failed to convert dollar value to token: ${error.message}`, error instanceof Error ? error : undefined);
                }
            }
        }
        throw new ValidationError(`Token with address ${tokenAddress} not found in available tokens`);
    }
    catch (error) {
        if (error instanceof ValidationError || error instanceof UnknownError) {
            throw error; // Re-throw our custom errors
        }
        throw new UnknownError(`Error in dollarToTokenValue: ${error.message}`, error instanceof Error ? error : undefined);
    }
};