feat: bitfinex implementation

lib/plugins/exchange/bitfinex.js

@@ -0,0 +1,21 @@
+const { COINS } = require('@lamassu/coins')
+const _ = require('lodash/fp')
+
+const { ORDER_TYPES } = require('./consts')
+
+const ORDER_TYPE = ORDER_TYPES.MARKET
+const { BTC, ETH, LTC, BCH, USDT, LN } = COINS
+const CRYPTO = [BTC, ETH, LTC, BCH, USDT, LN]
+const FIAT = ['USD', 'EUR']
+const AMOUNT_PRECISION = 8
+const REQUIRED_CONFIG_FIELDS = ['key', 'secret']
+
+const loadConfig = (account) => {
+  const mapper = {
+    'key': 'apiKey',
+  }
+  const mapped = _.mapKeys(key => mapper[key] ? mapper[key] : key)(account)
+  return { ...mapped, timeout: 3000 }
+}
+
+module.exports = { loadConfig, REQUIRED_CONFIG_FIELDS, CRYPTO, FIAT, ORDER_TYPE, AMOUNT_PRECISION }