feat(sender): add min gas tip (#1331)

common/version/version.go

@@ -5,7 +5,7 @@ import (
 	"runtime/debug"
 )
 
-var tag = "v4.4.4"
+var tag = "v4.4.5"
 
 var commit = func() string {
 	if info, ok := debug.ReadBuildInfo(); ok {

rollup/conf/config.json

@@ -15,7 +15,8 @@
         "escalate_multiple_den": 1,
         "max_gas_price": 1000000000000,
         "tx_type": "LegacyTx",
-        "check_pending_time": 1
+        "check_pending_time": 1,
+        "min_gas_tip": 100000000
       },
       "gas_oracle_config": {
         "min_gas_price": 0,
@@ -42,7 +43,8 @@
         "max_gas_price": 1000000000000,
         "max_blob_gas_price": 10000000000000,
         "tx_type": "DynamicFeeTx",
-        "check_pending_time": 1
+        "check_pending_time": 1,
+        "min_gas_tip": 100000000
       },
       "gas_oracle_config": {
         "min_gas_price": 0,

rollup/internal/config/relayer.go

@@ -26,6 +26,8 @@ type SenderConfig struct {
 	EscalateMultipleDen uint64 `json:"escalate_multiple_den"`
 	// The maximum gas price can be used to send transaction.
 	MaxGasPrice uint64 `json:"max_gas_price"`
+	// The minimum gas tip can be used to send transaction.
+	MinGasTip uint64 `json:"min_gas_tip"`
 	// The maximum blob gas price can be used to send transaction.
 	MaxBlobGasPrice uint64 `json:"max_blob_gas_price"`
 	// The transaction type to use: LegacyTx, DynamicFeeTx, BlobTx

rollup/internal/controller/sender/estimategas.go

@@ -17,6 +17,12 @@ func (s *Sender) estimateLegacyGas(to *common.Address, data []byte, fallbackGasL
 		log.Error("estimateLegacyGas SuggestGasPrice failure", "error", err)
 		return nil, err
 	}
+
+	minGasTip := new(big.Int).SetUint64(s.config.MinGasTip)
+	if gasPrice.Cmp(minGasTip) < 0 {
+		gasPrice = minGasTip
+	}
+
 	gasLimit, _, err := s.estimateGasLimit(to, data, nil, gasPrice, nil, nil, nil)
 	if err != nil {
 		log.Error("estimateLegacyGas estimateGasLimit failure", "gas price", gasPrice, "from", s.auth.From.String(),
@@ -41,6 +47,11 @@ func (s *Sender) estimateDynamicGas(to *common.Address, data []byte, baseFee uin
 		return nil, err
 	}
 
+	minGasTip := new(big.Int).SetUint64(s.config.MinGasTip)
+	if gasTipCap.Cmp(minGasTip) < 0 {
+		gasTipCap = minGasTip
+	}
+
 	gasFeeCap := getGasFeeCap(new(big.Int).SetUint64(baseFee), gasTipCap)
 	gasLimit, accessList, err := s.estimateGasLimit(to, data, nil, nil, gasTipCap, gasFeeCap, nil)
 	if err != nil {
@@ -72,6 +83,11 @@ func (s *Sender) estimateBlobGas(to *common.Address, data []byte, sidecar *gethT
 		return nil, err
 	}
 
+	minGasTip := new(big.Int).SetUint64(s.config.MinGasTip)
+	if gasTipCap.Cmp(minGasTip) < 0 {
+		gasTipCap = minGasTip
+	}
+
 	gasFeeCap := getGasFeeCap(new(big.Int).SetUint64(baseFee), gasTipCap)
 	blobGasFeeCap := getBlobGasFeeCap(new(big.Int).SetUint64(blobBaseFee))
 	gasLimit, accessList, err := s.estimateGasLimit(to, data, sidecar, nil, gasTipCap, gasFeeCap, blobGasFeeCap)