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/
p2porder.go
67 lines (53 loc) · 2.22 KB
/
p2porder.go
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/*
Copyright 2017 Loopring Project Ltd (Loopring Foundation).
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package ordermanager
import (
"github.com/Loopring/relay/cache"
"github.com/Loopring/relay/eventemiter"
"github.com/Loopring/relay/types"
"strings"
)
const DefaultP2POrderExpireTime = 3600 * 24 * 7
const p2pOrderPreKey = "P2P_OWNER_"
const p2pRelationPreKey = "P2P_RELATION_"
func init() {
p2pRingMinedWatcher := &eventemitter.Watcher{Concurrent: false, Handle: HandleP2PRingMined}
eventemitter.On(eventemitter.OrderFilled, p2pRingMinedWatcher)
}
func SaveP2POrderRelation(takerOwner, taker, makerOwner, maker, txHash string) error {
takerOwner = strings.ToLower(takerOwner)
taker = strings.ToLower(taker)
makerOwner = strings.ToLower(makerOwner)
maker = strings.ToLower(maker)
txHash = strings.ToLower(txHash)
cache.SAdd(p2pOrderPreKey+takerOwner, DefaultP2POrderExpireTime, []byte(taker))
cache.SAdd(p2pOrderPreKey+makerOwner, DefaultP2POrderExpireTime, []byte(maker))
cache.Set(p2pRelationPreKey+taker, []byte(txHash), DefaultP2POrderExpireTime)
cache.Set(p2pRelationPreKey+maker, []byte(txHash), DefaultP2POrderExpireTime)
return nil
}
func IsP2PMakerLocked(maker string) bool {
exist, err := cache.Exists(p2pRelationPreKey + maker)
if err != nil || exist == true {
return true
}
return false
}
func HandleP2PRingMined(input eventemitter.EventData) error {
if evt, ok := input.(*types.OrderFilledEvent); ok && evt != nil && evt.Status == types.TX_STATUS_SUCCESS {
cache.SRem(p2pOrderPreKey+strings.ToLower(evt.Owner.Hex()), []byte(strings.ToLower(evt.OrderHash.Hex())))
cache.Del(p2pRelationPreKey + strings.ToLower(evt.OrderHash.Hex()))
cache.Del(p2pRelationPreKey + strings.ToLower(evt.NextOrderHash.Hex()))
}
return nil
}