Merge pull request OffchainLabs#3 from Inphi/eip-4844

ethapi: Fix gas esitmation for blob txs

Author: mdehoog

core/types/transaction.go

@@ -755,7 +755,7 @@ type Message struct {
 	isFake     bool
 }
 
-func NewMessage(from common.Address, to *common.Address, nonce uint64, amount *big.Int, gasLimit uint64, gasPrice, gasFeeCap, gasTipCap *big.Int, data []byte, accessList AccessList, isFake bool) Message {
+func NewMessage(from common.Address, to *common.Address, nonce uint64, amount *big.Int, gasLimit uint64, gasPrice, gasFeeCap, gasTipCap *big.Int, data []byte, accessList AccessList, dataHashes []common.Hash, isFake bool) Message {
 	return Message{
 		from:       from,
 		to:         to,
@@ -767,6 +767,7 @@ func NewMessage(from common.Address, to *common.Address, nonce uint64, amount *b
 		gasTipCap:  gasTipCap,
 		data:       data,
 		accessList: accessList,
+		dataHashes: dataHashes,
 		isFake:     isFake,
 	}
 }

internal/ethapi/transaction_args.go

@@ -243,7 +243,12 @@ func (args *TransactionArgs) ToMessage(globalGasCap uint64, baseFee *big.Int) (t
 	if args.AccessList != nil {
 		accessList = *args.AccessList
 	}
-	msg := types.NewMessage(addr, args.To, 0, value, gas, gasPrice, gasFeeCap, gasTipCap, data, accessList, true)
+	// The values don't matter. Only its cardinality is used for correct gas estimation
+	var fakeDataHashes []common.Hash
+	if args.Blobs != nil {
+		fakeDataHashes = make([]common.Hash, len(args.Blobs))
+	}
+	msg := types.NewMessage(addr, args.To, 0, value, gas, gasPrice, gasFeeCap, gasTipCap, data, accessList, fakeDataHashes, true)
 	return msg, nil
 }
 

les/odr_test.go

@@ -135,7 +135,7 @@ func odrContractCall(ctx context.Context, db ethdb.Database, config *params.Chai
 				from := statedb.GetOrNewStateObject(bankAddr)
 				from.SetBalance(math.MaxBig256)
 
-				msg := callmsg{types.NewMessage(from.Address(), &testContractAddr, 0, new(big.Int), 100000, big.NewInt(params.InitialBaseFee), big.NewInt(params.InitialBaseFee), new(big.Int), data, nil, true)}
+				msg := callmsg{types.NewMessage(from.Address(), &testContractAddr, 0, new(big.Int), 100000, big.NewInt(params.InitialBaseFee), big.NewInt(params.InitialBaseFee), new(big.Int), data, nil, nil, true)}
 
 				context := core.NewEVMBlockContext(header, bc, nil)
 				txContext := core.NewEVMTxContext(msg)
@@ -150,7 +150,7 @@ func odrContractCall(ctx context.Context, db ethdb.Database, config *params.Chai
 			header := lc.GetHeaderByHash(bhash)
 			state := light.NewState(ctx, header, lc.Odr())
 			state.SetBalance(bankAddr, math.MaxBig256)
-			msg := callmsg{types.NewMessage(bankAddr, &testContractAddr, 0, new(big.Int), 100000, big.NewInt(params.InitialBaseFee), big.NewInt(params.InitialBaseFee), new(big.Int), data, nil, true)}
+			msg := callmsg{types.NewMessage(bankAddr, &testContractAddr, 0, new(big.Int), 100000, big.NewInt(params.InitialBaseFee), big.NewInt(params.InitialBaseFee), new(big.Int), data, nil, nil, true)}
 			context := core.NewEVMBlockContext(header, lc, nil)
 			txContext := core.NewEVMTxContext(msg)
 			vmenv := vm.NewEVM(context, txContext, state, config, vm.Config{NoBaseFee: true})

light/odr_test.go

@@ -194,7 +194,7 @@ func odrContractCall(ctx context.Context, db ethdb.Database, bc *core.BlockChain
 
 		// Perform read-only call.
 		st.SetBalance(testBankAddress, math.MaxBig256)
-		msg := callmsg{types.NewMessage(testBankAddress, &testContractAddr, 0, new(big.Int), 1000000, big.NewInt(params.InitialBaseFee), big.NewInt(params.InitialBaseFee), new(big.Int), data, nil, true)}
+		msg := callmsg{types.NewMessage(testBankAddress, &testContractAddr, 0, new(big.Int), 1000000, big.NewInt(params.InitialBaseFee), big.NewInt(params.InitialBaseFee), new(big.Int), data, nil, nil, true)}
 		txContext := core.NewEVMTxContext(msg)
 		context := core.NewEVMBlockContext(header, chain, nil)
 		vmenv := vm.NewEVM(context, txContext, st, config, vm.Config{NoBaseFee: true})

tests/state_test_util.go

@@ -359,7 +359,7 @@ func (tx *stTransaction) toMessage(ps stPostState, baseFee *big.Int) (core.Messa
 	}
 
 	msg := types.NewMessage(from, to, tx.Nonce, value, gasLimit, gasPrice,
-		tx.MaxFeePerGas, tx.MaxPriorityFeePerGas, data, accessList, false)
+		tx.MaxFeePerGas, tx.MaxPriorityFeePerGas, data, accessList, nil, false)
 	return msg, nil
 }