ethereum, ethclient: add blob transaction fields in CallMsg (#28989)

Co-authored-by: Felix Lange <fjl@twurst.com>

ethclient/ethclient.go

@@ -665,6 +665,12 @@ func toCallArg(msg ethereum.CallMsg) interface{} {
 	if msg.AccessList != nil {
 		arg["accessList"] = msg.AccessList
 	}
+	if msg.BlobGasFeeCap != nil {
+		arg["maxFeePerBlobGas"] = (*hexutil.Big)(msg.BlobGasFeeCap)
+	}
+	if msg.BlobHashes != nil {
+		arg["blobVersionedHashes"] = msg.BlobHashes
+	}
 	return arg
 }
 

interfaces.go

@@ -152,6 +152,10 @@ type CallMsg struct {
 	Data      []byte          // input data, usually an ABI-encoded contract method invocation
 
 	AccessList types.AccessList // EIP-2930 access list.
+
+	// For BlobTxType
+	BlobGasFeeCap *big.Int
+	BlobHashes    []common.Hash
 }
 
 // A ContractCaller provides contract calls, essentially transactions that are executed by