/
handlers.go
197 lines (162 loc) · 3.67 KB
/
handlers.go
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package wsserver
import (
"encoding/json"
"sort"
"../parsers/flapparser"
"../parsers/flipparser"
"../parsers/flopparser"
"github.com/mohae/deepcopy"
)
func parserChannelListener() {
for {
select {
case s := <-FlipETHChan:
handleFlipUpdate(s, "ETH")
case s := <-FlipBATChan:
handleFlipUpdate(s, "BAT")
case s := <-FlipUSDCChan:
handleFlipUpdate(s, "USDC")
case s := <-FlapChan:
handleFlapUpdate(s)
case s := <-FlopChan:
handleFlopUpdate(s)
}
}
}
func handleFlipUpdate(state flipparser.State, token string) {
stateLock.Lock()
flipStates[token] = state
stateLock.Unlock()
hub.broadcast <- flipStateToMsg(token)
}
func flipStateToMsg(token string) []byte {
stateLock.Lock()
state := deepcopy.Copy(flipStates[token]).(flipparser.State)
stateLock.Unlock()
ids := []uint64{}
for k := range state.Histories {
ids = append(ids, k)
}
sort.Slice(ids, func(i, j int) bool {
return ids[i] > ids[j]
})
histories := make(map[uint64]flipparser.History)
for i, v := range ids {
if i == historyLength {
break
}
histories[v] = state.Histories[v]
}
type content struct {
Token string `json:"token"`
Auctions map[uint64]flipparser.Auction `json:"auctions"`
Histories map[uint64]flipparser.History `json:"histories"`
}
send := struct {
Topic string `json:"topic"`
Content content `json:"content"`
}{
Topic: "flip",
Content: content{
Token: token,
Auctions: state.Auctions,
Histories: histories,
},
}
b, err := json.Marshal(send)
if err != nil {
log.Crit("could not marshal flip state", "err", err.Error())
panic("")
}
return b
}
func handleFlapUpdate(state flapparser.State) {
stateLock.Lock()
flapState = state
stateLock.Unlock()
hub.broadcast <- flapStateToMsg()
}
func flapStateToMsg() []byte {
stateLock.Lock()
state := deepcopy.Copy(flapState).(flapparser.State)
stateLock.Unlock()
ids := []uint64{}
for k := range state.Histories {
ids = append(ids, k)
}
sort.Slice(ids, func(i, j int) bool {
return ids[i] > ids[j]
})
histories := make(map[uint64]flapparser.History)
for i, v := range ids {
if i == historyLength {
break
}
histories[v] = state.Histories[v]
}
type content struct {
Auctions map[uint64]flapparser.Auction `json:"auctions"`
Histories map[uint64]flapparser.History `json:"histories"`
}
send := struct {
Topic string `json:"topic"`
Content content `json:"content"`
}{
Topic: "flap",
Content: content{
Auctions: state.Auctions,
Histories: histories,
},
}
b, err := json.Marshal(send)
if err != nil {
log.Crit("could not marshal flap state", "err", err.Error())
panic("")
}
return b
}
func handleFlopUpdate(state flopparser.State) {
stateLock.Lock()
flopState = state
stateLock.Unlock()
hub.broadcast <- flopStateToMsg()
}
func flopStateToMsg() []byte {
stateLock.Lock()
state := deepcopy.Copy(flopState).(flopparser.State)
stateLock.Unlock()
ids := []uint64{}
for k := range state.Histories {
ids = append(ids, k)
}
sort.Slice(ids, func(i, j int) bool {
return ids[i] > ids[j]
})
histories := make(map[uint64]flopparser.History)
for i, v := range ids {
if i == historyLength {
break
}
histories[v] = state.Histories[v]
}
type content struct {
Auctions map[uint64]flopparser.Auction `json:"auctions"`
Histories map[uint64]flopparser.History `json:"histories"`
}
send := struct {
Topic string `json:"topic"`
Content content `json:"content"`
}{
Topic: "flop",
Content: content{
Auctions: state.Auctions,
Histories: histories,
},
}
b, err := json.Marshal(send)
if err != nil {
log.Crit("could not marshal flop state", "err", err.Error())
panic("")
}
return b
}