internal/ethapi: avoid using pending for defaults (#28784)

Given the discussions around deprecating pending (see #28623 or ethereum/execution-apis#495), we can move away from using the pending block internally, and use latest instead

ethclient/gethclient/gethclient_test.go

@@ -169,7 +169,7 @@ func testAccessList(t *testing.T, client *rpc.Client) {
 		From:     testAddr,
 		To:       &common.Address{},
 		Gas:      21000,
-		GasPrice: big.NewInt(765625000),
+		GasPrice: big.NewInt(875000000),
 		Value:    big.NewInt(1),
 	}
 	al, gas, vmErr, err := ec.CreateAccessList(context.Background(), msg)

internal/ethapi/api.go

@@ -1478,7 +1478,7 @@ type accessListResult struct {
 // CreateAccessList creates an EIP-2930 type AccessList for the given transaction.
 // Reexec and BlockNrOrHash can be specified to create the accessList on top of a certain state.
 func (s *BlockChainAPI) CreateAccessList(ctx context.Context, args TransactionArgs, blockNrOrHash *rpc.BlockNumberOrHash) (*accessListResult, error) {
-	bNrOrHash := rpc.BlockNumberOrHashWithNumber(rpc.PendingBlockNumber)
+	bNrOrHash := rpc.BlockNumberOrHashWithNumber(rpc.LatestBlockNumber)
 	if blockNrOrHash != nil {
 		bNrOrHash = *blockNrOrHash
 	}

internal/ethapi/transaction_args.go

@@ -110,8 +110,8 @@ func (args *TransactionArgs) setDefaults(ctx context.Context, b Backend) error {
 			Data:                 (*hexutil.Bytes)(&data),
 			AccessList:           args.AccessList,
 		}
-		pendingBlockNr := rpc.BlockNumberOrHashWithNumber(rpc.PendingBlockNumber)
+		latestBlockNr := rpc.BlockNumberOrHashWithNumber(rpc.LatestBlockNumber)
-		estimated, err := DoEstimateGas(ctx, b, callArgs, pendingBlockNr, nil, b.RPCGasCap())
+		estimated, err := DoEstimateGas(ctx, b, callArgs, latestBlockNr, nil, b.RPCGasCap())
 		if err != nil {
 			return err
 		}