ipld-eth-beacon-indexer/pkg/beaconclient/processevents.go
Abdul Rabbani 4994f1fa94 Capture the head block in the DB entirely. (#27)
* -- Intermediary Commit --

Just want to commit my code over the weekend, in case I spill coffee on my workstation.

* Create DB models ready for write.

* Handle SSE events

* Update ref for stack-orchestrator

* Use env in one place only.

* Boot Application on PR

* Update syntax

* Update syntax

* Correct command

* Use bash instead of sh

* Use until instead of while

* Make linter happy and check sse subscription err

* Handle Reorgs - Untested
2022-05-13 08:55:00 -04:00

48 lines
1.3 KiB
Go

// This file contains all the functions to handle SSE events after they have been turned
// to the structs.
package beaconclient
import (
"fmt"
"strconv"
log "github.com/sirupsen/logrus"
"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
)
// This function will perform the necessary steps to handle a reorg.
func (bc *BeaconClient) handleReorg() {
log.Info("Starting to process reorgs.")
for {
reorg := <-bc.ReOrgTracking.ProcessCh
log.WithFields(log.Fields{"reorg": reorg}).Debug("Received a new reorg message.")
processReorg(bc.Db, reorg.Slot, reorg.NewHeadBlock)
}
}
// This function will handle the latest head event.
func (bc *BeaconClient) handleHead() {
log.Info("Starting to process head.")
for {
head := <-bc.HeadTracking.ProcessCh
// Process all the work here.
slot, err := strconv.Atoi(head.Slot)
if err != nil {
bc.HeadTracking.ErrorCh <- &SseError{
err: fmt.Errorf("Unable to turn the slot from string to int: %s", head.Slot),
}
}
err = processHeadSlot(bc.Db, bc.ServerEndpoint, slot, head.Block, head.State, bc.PreviousSlot, bc.PreviousBlockRoot)
if err != nil {
loghelper.LogSlotError(head.Slot, err)
}
log.WithFields(log.Fields{"head": head}).Debug("Received a new head event.")
// Update the previous block
bc.PreviousSlot = slot
bc.PreviousBlockRoot = head.Block
}
}