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service.go
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service.go
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package processor
import (
"github.com/cosmos/cosmos-sdk/codec"
"github.com/spf13/viper"
"github.com/tendermint/tendermint/libs/common"
httpClient "github.com/tendermint/tendermint/rpc/client"
"github.com/maticnetwork/heimdall/bridge/setu/broadcaster"
"github.com/maticnetwork/heimdall/bridge/setu/queue"
"github.com/maticnetwork/heimdall/bridge/setu/util"
"github.com/maticnetwork/heimdall/helper"
)
const (
processorServiceStr = "processor-service"
)
// ProcessorService starts and stops all event processors
type ProcessorService struct {
// Base service
common.BaseService
// queue connector
queueConnector *queue.QueueConnector
processors []Processor
}
// NewProcessorService returns new service object for processing queue msg
func NewProcessorService(
cdc *codec.Codec,
queueConnector *queue.QueueConnector,
httpClient *httpClient.HTTP,
txBroadcaster *broadcaster.TxBroadcaster,
) *ProcessorService {
var logger = util.Logger().With("module", processorServiceStr)
// creating processor object
processorService := &ProcessorService{
queueConnector: queueConnector,
}
contractCaller, err := helper.NewContractCaller()
if err != nil {
panic(err)
}
processorService.BaseService = *common.NewBaseService(logger, processorServiceStr, processorService)
//
// Initialize processors
//
// initialize checkpoint processor
checkpointProcessor := NewCheckpointProcessor(&contractCaller.RootChainABI)
checkpointProcessor.BaseProcessor = *NewBaseProcessor(cdc, queueConnector, httpClient, txBroadcaster, "checkpoint", checkpointProcessor)
// initialize checkpoint processor
milestoneProcessor := &MilestoneProcessor{}
milestoneProcessor.BaseProcessor = *NewBaseProcessor(cdc, queueConnector, httpClient, txBroadcaster, "milestone", milestoneProcessor)
// initialize fee processor
feeProcessor := NewFeeProcessor(&contractCaller.StakingInfoABI)
feeProcessor.BaseProcessor = *NewBaseProcessor(cdc, queueConnector, httpClient, txBroadcaster, "fee", feeProcessor)
// initialize staking processor
stakingProcessor := NewStakingProcessor(&contractCaller.StakingInfoABI)
stakingProcessor.BaseProcessor = *NewBaseProcessor(cdc, queueConnector, httpClient, txBroadcaster, "staking", stakingProcessor)
// initialize clerk processor
clerkProcessor := NewClerkProcessor(&contractCaller.StateSenderABI)
clerkProcessor.BaseProcessor = *NewBaseProcessor(cdc, queueConnector, httpClient, txBroadcaster, "clerk", clerkProcessor)
// initialize span processor
spanProcessor := &SpanProcessor{}
spanProcessor.BaseProcessor = *NewBaseProcessor(cdc, queueConnector, httpClient, txBroadcaster, "span", spanProcessor)
// initialize slashing processor
slashingProcessor := NewSlashingProcessor(&contractCaller.StakingInfoABI)
slashingProcessor.BaseProcessor = *NewBaseProcessor(cdc, queueConnector, httpClient, txBroadcaster, "slashing", slashingProcessor)
//
// Select processors
//
// add into processor list
startAll := viper.GetBool("all")
onlyServices := viper.GetStringSlice("only")
if startAll {
processorService.processors = append(processorService.processors,
checkpointProcessor,
milestoneProcessor,
stakingProcessor,
clerkProcessor,
feeProcessor,
spanProcessor,
slashingProcessor,
)
} else {
for _, service := range onlyServices {
switch service {
case "checkpoint":
processorService.processors = append(processorService.processors, checkpointProcessor)
case "milestone":
processorService.processors = append(processorService.processors, milestoneProcessor)
case "staking":
processorService.processors = append(processorService.processors, stakingProcessor)
case "clerk":
processorService.processors = append(processorService.processors, clerkProcessor)
case "fee":
processorService.processors = append(processorService.processors, feeProcessor)
case "span":
processorService.processors = append(processorService.processors, spanProcessor)
case "slashing":
processorService.processors = append(processorService.processors, slashingProcessor)
}
}
}
if len(processorService.processors) == 0 {
panic("No processors selected. Use --all or --only <coma-seprated processors>")
}
return processorService
}
// OnStart starts new block subscription
func (processorService *ProcessorService) OnStart() error {
if err := processorService.BaseService.OnStart(); err != nil {
processorService.Logger.Error("OnStart | OnStart", "Error", err)
} // Always call the overridden method.
// start processors
for _, processor := range processorService.processors {
processor.RegisterTasks()
go func(processor Processor) {
if err := processor.Start(); err != nil {
processorService.Logger.Error("OnStart | processor.Start", "Error", err)
}
}(processor)
}
processorService.Logger.Info("all processors Started")
return nil
}
// OnStop stops all necessary go routines
func (processorService *ProcessorService) OnStop() {
processorService.BaseService.OnStop() // Always call the overridden method.
// start chain listeners
for _, processor := range processorService.processors {
processor.Stop()
}
processorService.Logger.Info("all processors stopped")
}