keystore

type Account struct {
	Addr gethcommon.Address `json:"addr"`
	URL  gethaccounts.URL   `json:"url"`
}

type Store interface {
	CreateAccount(context.Context) (*Account, error)
	HasAccount(ctx context.Context, addr gethcommon.Address) (bool, error)
	SignTx(ctx context.Context, addr gethcommon.Address, tx *gethtypes.Transaction, chainID *big.Int) (*gethtypes.Transaction, error)
	Import(ctx context.Context, hexkey string) (*Account, error)
}