/
fee.go
89 lines (75 loc) · 2.94 KB
/
fee.go
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package processor
import (
sdk "github.com/cosmos/cosmos-sdk/types"
jsoniter "github.com/json-iterator/go"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/core/types"
"github.com/maticnetwork/heimdall/bridge/setu/util"
"github.com/maticnetwork/heimdall/contracts/stakinginfo"
"github.com/maticnetwork/heimdall/helper"
topupTypes "github.com/maticnetwork/heimdall/topup/types"
hmTypes "github.com/maticnetwork/heimdall/types"
)
// FeeProcessor - process fee related events
type FeeProcessor struct {
BaseProcessor
stakingInfoAbi *abi.ABI
}
// NewFeeProcessor - add abi to clerk processor
func NewFeeProcessor(stakingInfoAbi *abi.ABI) *FeeProcessor {
return &FeeProcessor{
stakingInfoAbi: stakingInfoAbi,
}
}
// Start starts new block subscription
func (fp *FeeProcessor) Start() error {
fp.Logger.Info("Starting")
return nil
}
// RegisterTasks - Registers clerk related tasks with machinery
func (fp *FeeProcessor) RegisterTasks() {
fp.Logger.Info("Registering fee related tasks")
if err := fp.queueConnector.Server.RegisterTask("sendTopUpFeeToHeimdall", fp.sendTopUpFeeToHeimdall); err != nil {
fp.Logger.Error("RegisterTasks | sendTopUpFeeToHeimdall", "error", err)
}
}
// processTopupFeeEvent - processes topup fee event
func (fp *FeeProcessor) sendTopUpFeeToHeimdall(eventName string, logBytes string) error {
var vLog = types.Log{}
if err := jsoniter.ConfigFastest.Unmarshal([]byte(logBytes), &vLog); err != nil {
fp.Logger.Error("Error while unmarshalling event from rootchain", "error", err)
return err
}
event := new(stakinginfo.StakinginfoTopUpFee)
if err := helper.UnpackLog(fp.stakingInfoAbi, event, eventName, &vLog); err != nil {
fp.Logger.Error("Error while parsing event", "name", eventName, "error", err)
} else {
if isOld, _ := fp.isOldTx(fp.cliCtx, vLog.TxHash.String(), uint64(vLog.Index), util.TopupEvent, event); isOld {
fp.Logger.Info("Ignoring task to send topup to heimdall as already processed",
"event", eventName,
"user", event.User,
"Fee", event.Fee,
"txHash", hmTypes.BytesToHeimdallHash(vLog.TxHash.Bytes()),
"logIndex", uint64(vLog.Index),
"blockNumber", vLog.BlockNumber,
)
return nil
}
fp.Logger.Info("✅ sending topup to heimdall",
"event", eventName,
"user", event.User,
"Fee", event.Fee,
"txHash", hmTypes.BytesToHeimdallHash(vLog.TxHash.Bytes()),
"logIndex", uint64(vLog.Index),
"blockNumber", vLog.BlockNumber,
)
// create msg checkpoint ack message
msg := topupTypes.NewMsgTopup(helper.GetFromAddress(fp.cliCtx), hmTypes.BytesToHeimdallAddress(event.User.Bytes()), sdk.NewIntFromBigInt(event.Fee), hmTypes.BytesToHeimdallHash(vLog.TxHash.Bytes()), uint64(vLog.Index), vLog.BlockNumber)
// return broadcast to heimdall
if err = fp.txBroadcaster.BroadcastToHeimdall(msg, event); err != nil {
fp.Logger.Error("Error while broadcasting TopupFee msg to heimdall", "msg", msg, "error", err)
return err
}
}
return nil
}