rename trade callbacks to trade update callbacks

This commit is contained in:
c9s 2020-10-29 19:47:39 +08:00
parent 224acd0ca9
commit 74a9cae38e
3 changed files with 29 additions and 9 deletions

View File

@ -40,6 +40,13 @@ func (slice PriceVolumeSlice) Copy() PriceVolumeSlice {
return append(slice[:0:0], slice...)
}
func (slice PriceVolumeSlice) First() (PriceVolume, bool) {
if len(slice) > 0 {
return slice[0], true
}
return PriceVolume{}, false
}
func (slice PriceVolumeSlice) IndexByVolumeDepth(requiredVolume fixedpoint.Value) int {
var tv int64 = 0
for x, el := range slice {

View File

@ -2,18 +2,26 @@
package types
import ()
func (stream *StandardStream) OnTrade(cb func(trade Trade)) {
stream.tradeCallbacks = append(stream.tradeCallbacks, cb)
func (stream *StandardStream) OnTradeUpdate(cb func(trade Trade)) {
stream.tradeUpdateCallbacks = append(stream.tradeUpdateCallbacks, cb)
}
func (stream *StandardStream) EmitTrade(trade Trade) {
for _, cb := range stream.tradeCallbacks {
func (stream *StandardStream) EmitTradeUpdate(trade Trade) {
for _, cb := range stream.tradeUpdateCallbacks {
cb(trade)
}
}
func (stream *StandardStream) OnOrderUpdate(cb func(order Order)) {
stream.orderUpdateCallbacks = append(stream.orderUpdateCallbacks, cb)
}
func (stream *StandardStream) EmitOrderUpdate(order Order) {
for _, cb := range stream.orderUpdateCallbacks {
cb(order)
}
}
func (stream *StandardStream) OnBalanceSnapshot(cb func(balances map[string]Balance)) {
stream.balanceSnapshotCallbacks = append(stream.balanceSnapshotCallbacks, cb)
}
@ -75,7 +83,9 @@ func (stream *StandardStream) EmitBookSnapshot(book OrderBook) {
}
type StandardStreamEventHub interface {
OnTrade(cb func(trade Trade))
OnTradeUpdate(cb func(trade Trade))
OnOrderUpdate(cb func(order Order))
OnBalanceSnapshot(cb func(balances map[string]Balance))

View File

@ -22,8 +22,11 @@ var KLineChannel = Channel("kline")
type StandardStream struct {
Subscriptions []Subscription
// private trade callbacks
tradeCallbacks []func(trade Trade)
// private trade update callbacks
tradeUpdateCallbacks []func(trade Trade)
// private order update callbacks
orderUpdateCallbacks []func(order Order)
// balance snapshot callbacks
balanceSnapshotCallbacks []func(balances map[string]Balance)