Class: Honeymaker::Exchanges::Binance

Inherits:
Honeymaker::Exchange show all
Defined in:
lib/honeymaker/exchanges/binance.rb

Direct Known Subclasses

BinanceUs

Constant Summary collapse

BASE_URL = 
"https://api.binance.com"

Constants inherited from Honeymaker::Exchange

Honeymaker::Exchange::ERROR_PATTERNS, Honeymaker::Exchange::OPTIONS

Instance Method Summary collapse

Methods inherited from Honeymaker::Exchange

#cache_ttl, #classify_error, #find_ticker, #get_price, #symbols, #tickers_info

Instance Method Details

#get_bid_ask(symbol) ⇒ Object 



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# File 'lib/honeymaker/exchanges/binance.rb', line 34

def get_bid_ask(symbol)
  with_rescue do
    response = connection.get("/api/v3/ticker/bookTicker") do |req|
      req.params = { symbol: symbol }
    end

    {
      bid: BigDecimal(response.body["bidPrice"]),
      ask: BigDecimal(response.body["askPrice"])
    }
  end
end

#get_tickers_info ⇒ Object 



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# File 'lib/honeymaker/exchanges/binance.rb', line 8

def get_tickers_info
  with_rescue do
    response = connection.get("/api/v3/exchangeInfo") do |req|
      req.params = { permissions: "SPOT" }
    end

    response.body["symbols"].filter_map do |product|
      f = Utils.parse_filters(product["filters"])

      {
        ticker: product["symbol"],
        base: product["baseAsset"],
        quote: product["quoteAsset"],
        minimum_base_size: f[:lot_size]["minQty"],
        minimum_quote_size: f[:notional]["minNotional"],
        maximum_base_size: f[:lot_size]["maxQty"],
        maximum_quote_size: f[:notional]["maxNotional"],
        base_decimals: Utils.decimals(f[:lot_size]["stepSize"]),
        quote_decimals: product["quoteAssetPrecision"],
        price_decimals: Utils.decimals(f[:price]["tickSize"]),
        available: product["status"] == "TRADING"
      }
    end
  end
end