provider

type EVMProvider interface {
	bind.ContractCaller
	bind.ContractFilterer

	PendingNonceAt(ctx context.Context, account common.Address) (uint64, error)
	PendingCodeAt(ctx context.Context, account common.Address) ([]byte, error)
	EstimateGas(ctx context.Context, msg ethereum.CallMsg) (uint64, error)
	SuggestGasTipCap(ctx context.Context) (*big.Int, error)
	SuggestGasPrice(ctx context.Context) (*big.Int, error)
	TransactionByHash(ctx context.Context, hash common.Hash) (tx *types.Transaction, isPending bool, err error)
	TransactionReceipt(ctx context.Context, txHash common.Hash) (*types.Receipt, error)
	SendTransaction(ctx context.Context, tx *types.Transaction) error
	HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error)
}

type EVMProviderWithRet interface {
	EVMProvider

	SendTransactionWithRet(ctx context.Context, tx *types.Transaction) (txHash common.Hash, err error)
}

type TransactFunc func(opts *bind.TransactOpts, contract *common.Address, input []byte) (*types.Transaction, error)