bind.ContractTransactor/ethclient.SendTransactionConditional use a internal struct

[RelicOfTesla]

bsc/accounts/abi/bind/backend.go

Line 104 in ec318b9

SendTransactionConditional(ctx context.Context, tx *types.Transaction, opts ethapi.TransactionOpts) error

bsc/accounts/abi/bind/backend.go

Line 27 in ec318b9

"github.com/ethereum/go-ethereum/internal/ethapi"

bsc/ethclient/ethclient.go

Line 740 in ec318b9

func (ec *Client) SendTransactionConditional(ctx context.Context, tx *types.Transaction, opts ethapi.TransactionOpts) error {

bsc/ethclient/ethclient.go

Line 32 in ec318b9

"github.com/ethereum/go-ethereum/internal/ethapi"

Can not call SendTransactionConditional , or derive ethclient class.

I need to make some modifications to this interface, such as log or frequency limiting and other, I will derive new classes, and then pass in erc20.NewErc20(..., WrapEthClient{}) // var _ bind.ContractBackend = WrapEthClient{}