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multisigwalletfactory.go
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/
multisigwalletfactory.go
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// Code generated by 'gen/eventhandlergen.go' DO NOT EDIT.
// IT SHOULD NOT BE EDITED BY HAND AS ANY CHANGES MAY BE OVERWRITTEN
// Please reference 'gen/filterergen_template.go' for more details
// File was generated at 2020-02-18 16:55:34.91518 +0000 UTC
package filterer
import (
log "github.com/golang/glog"
"runtime"
"sync"
"github.com/Jeffail/tunny"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
specs "github.com/joincivil/civil-events-crawler/pkg/contractspecs"
commongen "github.com/joincivil/civil-events-crawler/pkg/generated/common"
"github.com/joincivil/civil-events-crawler/pkg/model"
"github.com/joincivil/go-common/pkg/generated/contract"
ctime "github.com/joincivil/go-common/pkg/time"
)
func NewMultiSigWalletFactoryContractFilterers(contractAddress common.Address) *MultiSigWalletFactoryContractFilterers {
contractFilterers := &MultiSigWalletFactoryContractFilterers{
contractAddress: contractAddress,
eventTypes: commongen.EventTypesMultiSigWalletFactoryContract(),
eventToStartBlock: make(map[string]uint64),
lastEvents: make([]*model.Event, 0),
}
for _, eventType := range contractFilterers.eventTypes {
contractFilterers.eventToStartBlock[eventType] = 0
}
return contractFilterers
}
type MultiSigWalletFactoryContractFilterers struct {
contractAddress common.Address
contract *contract.MultiSigWalletFactoryContract
eventTypes []string
eventToStartBlock map[string]uint64
lastEvents []*model.Event
lastEventsMutex sync.Mutex
pastEventsMutex sync.Mutex
}
func (f *MultiSigWalletFactoryContractFilterers) ContractName() string {
return "MultiSigWalletFactoryContract"
}
func (f *MultiSigWalletFactoryContractFilterers) ContractAddress() common.Address {
return f.contractAddress
}
func (f *MultiSigWalletFactoryContractFilterers) StartFilterers(client bind.ContractBackend,
pastEvents []*model.Event, nonSubOnly bool) ([]*model.Event, error) {
return f.StartMultiSigWalletFactoryContractFilterers(client, pastEvents, nonSubOnly)
}
func (f *MultiSigWalletFactoryContractFilterers) EventTypes() []string {
return f.eventTypes
}
func (f *MultiSigWalletFactoryContractFilterers) UpdateStartBlock(eventType string, startBlock uint64) {
f.eventToStartBlock[eventType] = startBlock
}
func (f *MultiSigWalletFactoryContractFilterers) LastEvents() []*model.Event {
return f.lastEvents
}
// StartMultiSigWalletFactoryContractFilterers retrieves events for MultiSigWalletFactoryContract
func (f *MultiSigWalletFactoryContractFilterers) StartMultiSigWalletFactoryContractFilterers(client bind.ContractBackend,
pastEvents []*model.Event, nonSubOnly bool) ([]*model.Event, error) {
contract, err := contract.NewMultiSigWalletFactoryContract(f.contractAddress, client)
if err != nil {
log.Errorf("Error initializing StartMultiSigWalletFactoryContract: err: %v", err)
return pastEvents, err
}
f.contract = contract
workerMultiplier := 1
numWorkers := runtime.NumCPU() * workerMultiplier
pool := tunny.NewFunc(numWorkers, func(payload interface{}) interface{} {
f := payload.(func())
f()
return nil
})
defer pool.Close()
wg := sync.WaitGroup{}
resultsChan := make(chan []*model.Event)
done := make(chan struct{})
filtsRun := 0
if !specs.IsEventDisabled("MultiSigWalletFactoryContract", "ContractInstantiation") && (!nonSubOnly || !specs.IsListenerEnabledForEvent("MultiSigWalletFactoryContract", "ContractInstantiation")) {
wg.Add(1)
go func() {
filterFunc := func() {
startBlock := f.eventToStartBlock["ContractInstantiation"]
pevents, e := f.startFilterContractInstantiation(startBlock, []*model.Event{})
if e != nil {
log.Errorf("Error retrieving ContractInstantiation: err: %v", e)
return
}
if len(pevents) > 0 {
f.lastEventsMutex.Lock()
f.lastEvents = append(f.lastEvents, pevents[len(pevents)-1])
f.lastEventsMutex.Unlock()
resultsChan <- pevents
}
}
pool.Process(filterFunc)
wg.Done()
}()
filtsRun++
}
go func() {
wg.Wait()
close(done)
log.Info("Filtering routines complete")
}()
Loop:
for {
select {
case <-done:
break Loop
case pevents := <-resultsChan:
f.pastEventsMutex.Lock()
pastEvents = append(pastEvents, pevents...)
f.pastEventsMutex.Unlock()
}
}
log.Infof("Total filterers run: %v, events found: %v", filtsRun, len(pastEvents))
return pastEvents, nil
}
func (f *MultiSigWalletFactoryContractFilterers) startFilterContractInstantiation(startBlock uint64, pastEvents []*model.Event) ([]*model.Event, error) {
var opts = &bind.FilterOpts{
Start: startBlock,
}
var itr *contract.MultiSigWalletFactoryContractContractInstantiationIterator
var err error
maxRetries := 3
retry := 0
for {
itr, err = f.contract.FilterContractInstantiation(
opts,
)
if err == nil {
break
}
if retry >= maxRetries {
log.Errorf("Failed filter: MultiSigWalletFactoryContract ContractInstantiation for %v: err: %v", f.contractAddress.Hex(), err)
return pastEvents, err
}
log.Infof("Retrying filter: MultiSigWalletFactoryContract ContractInstantiation for %v: err: %v", f.contractAddress.Hex(), err)
retry++
}
nextEvent := itr.Next()
for nextEvent {
modelEvent, err := model.NewEventFromContractEvent("ContractInstantiation", f.ContractName(), f.contractAddress, itr.Event, ctime.CurrentEpochSecsInInt64(), model.Filterer)
if err != nil {
log.Errorf("Error creating new event: event: %v, err: %v", itr.Event, err)
continue
}
pastEvents = append(pastEvents, modelEvent)
nextEvent = itr.Next()
}
return pastEvents, nil
}