[R4R]-{develop}: fix gasoracle update frequency (#1344)

# Goals of PR

Core changes:
fix gasoracle update frequency

Notes:
no

Related Issues:
no

gas-oracle/oracle/gas_price_oracle.go

@@ -206,7 +206,7 @@ func (g *GasPriceOracle) OverHeadLoop() {
  db, height := readGasOracleSyncHeight()
  log.Info("ReadGasOracleSyncHeight", "height", height)
  // set channel
- stateBatchAppendChan := make(chan *bindings.StateCommitmentChainStateBatchAppended, 10)
+ stateBatchAppendChan := make(chan *bindings.StateCommitmentChainStateBatchAppended, 1)
 
  // set context
  ctcTotalBatches, err := g.ctcBackend.GetTotalBatches(&bind.CallOpts{})
@@ -247,7 +247,10 @@ func (g *GasPriceOracle) OverHeadLoop() {
  case stateBatchAppendChan <- iter.Event:
  log.Info("write event into channel", "channel length is", len(stateBatchAppendChan))
  default:
- log.Error("write too many event into channel, increase channel length")
+ // discard additional event to process the last one
+ <-stateBatchAppendChan
+ stateBatchAppendChan <- iter.Event
+ log.Warn("write additional event into channel, will ignore prev events")
  }
  }
  _ = writeGasOracleSyncHeight(db, latestHeader.Number)

gas-oracle/oracle/overhead.go

@@ -88,7 +88,11 @@ func wrapUpdateOverhead(l2Backend DeployContractBackend, cfg *Config) (func(*big
  if err != nil {
  return err
  }
-
+ // skip update if overhead is not changed
+ if overhead == newOverheadLevel {
+ log.Info("skip update overhead", "overhead", overhead)
+ return nil
+ }
  // Use the configured gas price if it is set,
  // otherwise use gas estimation
  if cfg.gasPrice != nil {