github.com/bitfinexcom/bitfinex-api-go@v0.0.0-20210608095005-9e0b26f200fb/pkg/models (about) balanceinfo book candle common currency derivatives event fundingcredit fundinginfo fundingloan fundingoffer fundingtrade invoice ledger margin notification order position pulse pulseprofile stats status ticker tickerhist trade tradeexecution tradeexecutionupdate trades wallet