/
store.go
168 lines (145 loc) · 5.01 KB
/
store.go
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package ethereum
import (
"encoding/json"
"fmt"
"sync/atomic"
dbm "github.com/33cn/chain33/common/db"
chain33Types "github.com/33cn/chain33/types"
ebTypes "github.com/33cn/plugin/plugin/dapp/x2ethereum/ebrelayer/types"
"github.com/33cn/plugin/plugin/dapp/x2ethereum/ebrelayer/utils"
"github.com/ethereum/go-ethereum/core/types"
)
var (
eth2chain33TxHashPrefix = "Eth2chain33TxHash"
eth2chain33TxTotalAmount = []byte("Eth2chain33TxTotalAmount")
chain33ToEthTxHashPrefix = "chain33ToEthTxHash"
bridgeRegistryAddrPrefix = []byte("x2EthBridgeRegistryAddr")
bridgeBankLogProcessedAt = []byte("bridgeBankLogProcessedAt")
ethTxEventPrefix = []byte("ethTxEventPrefix")
lastBridgeBankHeightProcPrefix = []byte("lastBridgeBankHeight")
)
func ethTxEventKey4Height(height uint64, index uint32) []byte {
return append(ethTxEventPrefix, []byte(fmt.Sprintf("%020d-%d", height, index))...)
}
func calcRelay2Chain33Txhash(txindex int64) []byte {
return []byte(fmt.Sprintf("%s-%012d", eth2chain33TxHashPrefix, txindex))
}
func (ethRelayer *Relayer4Ethereum) setBridgeRegistryAddr(bridgeRegistryAddr string) error {
return ethRelayer.db.Set(bridgeRegistryAddrPrefix, []byte(bridgeRegistryAddr))
}
func (ethRelayer *Relayer4Ethereum) getBridgeRegistryAddr() (string, error) {
addr, err := ethRelayer.db.Get(bridgeRegistryAddrPrefix)
if nil != err {
return "", err
}
return string(addr), nil
}
func (ethRelayer *Relayer4Ethereum) updateTotalTxAmount2chain33(total int64) error {
totalTx := &chain33Types.Int64{
Data: atomic.LoadInt64(ðRelayer.totalTx4Eth2Chain33),
}
//更新成功见证的交易数
return ethRelayer.db.Set(eth2chain33TxTotalAmount, chain33Types.Encode(totalTx))
}
func (ethRelayer *Relayer4Ethereum) setLastestRelay2Chain33Txhash(txhash string, txIndex int64) error {
key := calcRelay2Chain33Txhash(txIndex)
return ethRelayer.db.Set(key, []byte(txhash))
}
func (ethRelayer *Relayer4Ethereum) queryTxhashes(prefix []byte) []string {
return utils.QueryTxhashes(prefix, ethRelayer.db)
}
func (ethRelayer *Relayer4Ethereum) setHeight4BridgeBankLogAt(height uint64) error {
return ethRelayer.setLogProcHeight(bridgeBankLogProcessedAt, height)
}
func (ethRelayer *Relayer4Ethereum) getHeight4BridgeBankLogAt() uint64 {
return ethRelayer.getLogProcHeight(bridgeBankLogProcessedAt)
}
func (ethRelayer *Relayer4Ethereum) setLogProcHeight(key []byte, height uint64) error {
data := &ebTypes.Uint64{
Data: height,
}
return ethRelayer.db.Set(key, chain33Types.Encode(data))
}
func (ethRelayer *Relayer4Ethereum) getLogProcHeight(key []byte) uint64 {
value, err := ethRelayer.db.Get(key)
if nil != err {
return 0
}
var height ebTypes.Uint64
err = chain33Types.Decode(value, &height)
if nil != err {
return 0
}
return height.Data
}
//保存处理过的交易
func (ethRelayer *Relayer4Ethereum) setTxProcessed(txhash []byte) error {
return ethRelayer.db.Set(txhash, []byte("1"))
}
//判断是否已经被处理,如果能够在数据库中找到该笔交易,则认为已经被处理
func (ethRelayer *Relayer4Ethereum) checkTxProcessed(txhash []byte) bool {
_, err := ethRelayer.db.Get(txhash)
return nil == err
}
func (ethRelayer *Relayer4Ethereum) setEthTxEvent(vLog types.Log) error {
key := ethTxEventKey4Height(vLog.BlockNumber, uint32(vLog.TxIndex))
value, err := json.Marshal(vLog)
if nil != err {
return err
}
return ethRelayer.db.Set(key, value)
}
func (ethRelayer *Relayer4Ethereum) getEthTxEvent(blockNumber uint64, txIndex uint32) (*types.Log, error) {
key := ethTxEventKey4Height(blockNumber, txIndex)
data, err := ethRelayer.db.Get(key)
if nil != err {
return nil, err
}
log := types.Log{}
err = json.Unmarshal(data, &log)
if err != nil {
return nil, err
}
return &log, nil
}
func (ethRelayer *Relayer4Ethereum) getNextValidEthTxEventLogs(height uint64, index uint32, fetchCnt int32) ([]*types.Log, error) {
key := ethTxEventKey4Height(height, index)
helper := dbm.NewListHelper(ethRelayer.db)
datas := helper.List(ethTxEventPrefix, key, fetchCnt, dbm.ListASC)
if nil == datas {
return nil, nil
}
var logs []*types.Log
for _, data := range datas {
log := &types.Log{}
err := json.Unmarshal(data, log)
if err != nil {
return nil, err
}
logs = append(logs, log)
}
return logs, nil
}
func (ethRelayer *Relayer4Ethereum) setBridgeBankProcessedHeight(height uint64, index uint32) {
bytes := chain33Types.Encode(&ebTypes.EventLogIndex{
Height: height,
Index: index})
_ = ethRelayer.db.Set(lastBridgeBankHeightProcPrefix, bytes)
}
func (ethRelayer *Relayer4Ethereum) getLastBridgeBankProcessedHeight() ebTypes.EventLogIndex {
data, err := ethRelayer.db.Get(lastBridgeBankHeightProcPrefix)
if nil != err {
return ebTypes.EventLogIndex{}
}
logIndex := ebTypes.EventLogIndex{}
_ = chain33Types.Decode(data, &logIndex)
return logIndex
}
//构建一个引导查询使用的bridgeBankTx
func (ethRelayer *Relayer4Ethereum) initBridgeBankTx() {
log, _ := ethRelayer.getEthTxEvent(0, 0)
if nil != log {
return
}
_ = ethRelayer.setEthTxEvent(types.Log{})
}