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Ethereum API: Getting Price Precision of Futures Assets
As an Ethereum developer, you’re likely working with the Binance API to access various cryptocurrency markets. In this article, we’ll explore how to use the get_symbol_info method to get the price precision of a futures asset on Binance.
Method:
client.get_symbol_info(symbol='My Symbol')
The get_symbol_info method returns information about a specific symbol, including its:
- Symbol name
- Symbol type (spot or future)
- Exchange (e.g., Binance)
To get the price precision of a futures asset, you need to use the spot_price_precision property. However, this property is only available for spot markets.
Method: client.get_symbol_info(symbol='My Symbol') with additional parameters
You can modify the get_symbol_info method by adding two new parameters:
symbol_type: Set to'future'to get price precision information for futures assets.
exchange: Set to the Binance exchange (e.g., ‘binance-futures’)
Here’s an example:
const client = require('@binance/api');
// Create a new API client instance with Binance-Futures as the exchange
client.init({
api: {
binanceFutures: {
symbolType: 'future',
exchange: 'binance-futures'
}
},
key: 'YOUR_API_KEY',
secret: 'YOUR_API_SECRET'
});
// Get information about a specific futures asset
const symbolInfo = await client.get_symbol_info({
symbol: 'My Symbol',
spot_price_precision: true,
spot_exchange: false, // Optional: Set to true for spot markets
spot_exchange_type: 'spot'
});
In this example, we’re using the client.init method to create a new API client instance with Binance-Futures as the exchange. We then pass additional parameters to specify that we want price precision information for futures assets.
Example Response
The response from the get_symbol_info method will contain an object with several properties:
symbol: The symbol name.
spot_price_precision: The spot market’s price precision (e.g., 5).
future_price_precision: The future market’s price precision (e.g., 2).
You can access these values using the following code:
const { symbol, spotPricePrecision, futurePricePrecision } = await client.get_symbol_info({
// ...
});
console.log(Symbol: ${symbol});
console.log(Spot Price Precision: ${spotPricePrecision});
console.log(Future Price Precision: ${futurePricePrecision});
Conclusion
By using the get_symbol_info method with additional parameters, you can access price precision information for futures assets on Binance. This will help you work with more accurate and precise price data in your cryptocurrency trading applications.
Note: Make sure to replace YOUR_API_KEY and YOUR_API_SECRET with your actual API credentials. Additionally, adjust the symbol_type and exchange parameters according to your specific use case.