backend

package

v0.0.0-...-765cc39 Latest Latest Go to latest Published: Dec 11, 2018 License: AGPL-3.0 Imports: 15 Imported by: 0

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func CheckWithBackoff(checker Checker) bool

type Checker interface {
	Check() bool
}

func NewChecker(backend *config.Backend) Checker

type ETHChecker struct {
	// contains filtered or unexported fields
}

func (e *ETHChecker) Check() bool

type ETHClient struct {
	// contains filtered or unexported fields
}

func NewETHClient(url string) *ETHClient

func (c *ETHClient) BlockNumber() (uint64, error)

func (c *ETHClient) GetBlockByNumber(number uint64, includeBodies bool) (json.RawMessage, error)

func (c *ETHClient) GetTransactionReceipt(hash string) (json.RawMessage, error)

type Switcher interface {
	pkg.Service
	BackendFor(t pkg.BackendType) (*config.Backend, error)
	ETHClient() (*ETHClient, error)
}

func NewSwitcher(backendCfg []config.Backend) Switcher

type SwitcherImpl struct {
	// contains filtered or unexported fields
}

func (h *SwitcherImpl) BackendFor(t pkg.BackendType) (*config.Backend, error)

func (h *SwitcherImpl) ETHClient() (*ETHClient, error)

func (h *SwitcherImpl) Start() error

func (h *SwitcherImpl) Stop() error