Merge pull request #32 from dongrie/estimate-gas

Add estimate gas
datachainlab · Jan 31, 2024 · d1da2f1 · d1da2f1
2 parents 1d2a2d4 + fac1f10
commit d1da2f1
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Showing 6 changed files with 406 additions and 70 deletions.
diff --git a/pkg/client/client.go b/pkg/client/client.go
@@ -194,3 +194,32 @@ func searchRevertReason(result *callFrame) (string, error) {
 	}
 	return "", fmt.Errorf("revert reason not found")
 }
+
+func (cl *ETHClient) EstimateGasFromTx(ctx context.Context, tx *gethtypes.Transaction) (uint64, error) {
+	from, err := gethtypes.LatestSignerForChainID(tx.ChainId()).Sender(tx)
+	if err != nil {
+		return 0, err
+	}
+	to := tx.To()
+	value := tx.Value()
+	gasTipCap := tx.GasTipCap()
+	gasFeeCap := tx.GasFeeCap()
+	gasPrice := tx.GasPrice()
+	data := tx.Data()
+	accessList := tx.AccessList()
+	callMsg := ethereum.CallMsg{
+		From:       from,
+		To:         to,
+		GasPrice:   gasPrice,
+		GasTipCap:  gasTipCap,
+		GasFeeCap:  gasFeeCap,
+		Value:      value,
+		Data:       data,
+		AccessList: accessList,
+	}
+	estimatedGas, err := cl.EstimateGas(ctx, callMsg)
+	if err != nil {
+		return 0, err
+	}
+	return estimatedGas, nil
+}
diff --git a/pkg/relay/ethereum/client.go b/pkg/relay/ethereum/client.go
@@ -20,8 +20,7 @@ func (chain *Chain) CallOpts(ctx context.Context, height int64) *bind.CallOpts {
 
 func (chain *Chain) TxOpts(ctx context.Context) *bind.TransactOpts {
 	return &bind.TransactOpts{
-		From:     chain.signer.Address(),
-		GasLimit: 6382056,
-		Signer:   chain.signer.Sign,
+		From:   chain.signer.Address(),
+		Signer: chain.signer.Sign,
 	}
 }
diff --git a/pkg/relay/ethereum/config.go b/pkg/relay/ethereum/config.go
@@ -41,6 +41,15 @@ func (c ChainConfig) Validate() error {
 	if c.MaxRetryForInclusion == 0 {
 		errs = append(errs, fmt.Errorf("config attribute \"max_retry_for_inclusion\" is zero"))
 	}
+	if c.GasEstimateRate.Numerator == 0 {
+		errs = append(errs, fmt.Errorf("config attribute \"gas_estimate_rate.numerator\" is zero"))
+	}
+	if c.GasEstimateRate.Denominator == 0 {
+		errs = append(errs, fmt.Errorf("config attribute \"gas_estimate_rate.denominator\" is zero"))
+	}
+	if c.MaxGasLimit == 0 {
+		errs = append(errs, fmt.Errorf("config attribute \"max_gas_limit\" is zero"))
+	}
 	if c.Signer == nil {
 		errs = append(errs, fmt.Errorf("config attribute \"signer\" is empty"))
 	} else if err := c.Signer.GetCachedValue().(SignerConfig).Validate(); err != nil {