dat-currency-service

Utility functions for working with digital asset trading pairs.

Installation

npm install dat-currency-service

Usage

Import

import { CurrencyService } from 'dat-currency-service';

Determine if a trading pair is denominated in USD

if (CurrencyService.IsDenominatedInUSD('BTC-USD'))
{
	// Do something.
}

Change the default separator

if (CurrencyService.IsDenominatedInUSD('BTC|USD', '|'))
{
	// Do something.
}

Get the decimal place precision based on the denomination

console.info(CurrencyService.GetDecimalPlaces('BTC-USD')); // 2
console.info(CurrencyService.GetDecimalPlaces('ETH-BTC')); // 8

Set the decimal place precision based on the denomination

let exitFillSize: num = num(0);
let stopLimitFillSize: string = '0.01265433';
let stopLossFillSize: string = '0.01234567';
exitFillSize = exitFillSize.add(stopLimitFillSize).add(stopLossFillSize);

console.info(CurrencyService.SetPrecision(exitFillSize, 'ETH-BTC')); // 0.025

Test

npm test

Build

npm run build