shared

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Published: Feb 9, 2019 License: GPL-3.0 Imports: 3 Imported by: 0

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Constants

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Variables

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Functions

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Types

type Service

type Service interface {
	// Start spawns any goroutines required by the service.
	Start()
	// Stop terminates all goroutines belonging to the service,
	// blocking until they are all terminated.
	Stop() error
	// Returns error if the service is not considered healthy.
	Status() error
}

Service is a struct that can be registered into a ServiceRegistry for easy dependency management.

type ServiceRegistry

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

ServiceRegistry provides a useful pattern for managing services. It allows for ease of dependency management and ensures services dependent on others use the same references in memory.

func NewServiceRegistry

func NewServiceRegistry() *ServiceRegistry

NewServiceRegistry starts a registry instance for convenience

func (*ServiceRegistry) FetchService

func (s *ServiceRegistry) FetchService(service interface{}) error

FetchService takes in a struct pointer and sets the value of that pointer to a service currently stored in the service registry. This ensures the input argument is set to the right pointer that refers to the originally registered service.

func (*ServiceRegistry) RegisterService

func (s *ServiceRegistry) RegisterService(service Service) error

RegisterService appends a service constructor function to the service registry.

func (*ServiceRegistry) StartAll

func (s *ServiceRegistry) StartAll()

StartAll initialized each service in order of registration.

func (*ServiceRegistry) Statuses

func (s *ServiceRegistry) Statuses() map[reflect.Type]error

Statuses returns a map of Service type -> error. The map will be populated with the results of each service.Status() method call.

func (*ServiceRegistry) StopAll

func (s *ServiceRegistry) StopAll()

StopAll ends every service in reverse order of registration, logging a panic if any of them fail to stop.

Directories

Path Synopsis
Package bls implements a go-wrapper around a C BLS library leveraging the BLS12-381 curve.
Package bls implements a go-wrapper around a C BLS library leveraging the BLS12-381 curve.
Package bytesutil defines helper methods for converting integers to byte slices.
Package bytesutil defines helper methods for converting integers to byte slices.
Package cmd defines the command line flags for the shared utlities.
Package cmd defines the command line flags for the shared utlities.
Package debug defines useful profiling utils that came originally with go-ethereum.
Package debug defines useful profiling utils that came originally with go-ethereum.
Package legacyutil exists to convert Ethereum Serenity types to go-ethereum or Ethereum 1.0 types.
Package legacyutil exists to convert Ethereum Serenity types to go-ethereum or Ethereum 1.0 types.
Package mclockutil is a wrapper for a monotonic clock source
Package mclockutil is a wrapper for a monotonic clock source
p2p
Package p2p handles peer-to-peer networking for Ethereum Serenity clients.
Package p2p handles peer-to-peer networking for Ethereum Serenity clients.
adapter/metric
Package metric contain some prometheus collectors for p2p services.
Package metric contain some prometheus collectors for p2p services.
mock
Package mock_p2p is a generated GoMock package.
Package mock_p2p is a generated GoMock package.
Package params defines important constants that are essential to the Ethereum 2.0 services.
Package params defines important constants that are essential to the Ethereum 2.0 services.
Package sliceutil implements set operations for specified data type Currently types which are tested and supported are: []uint32 []int32 []string []float32 []uint64 []int64 []string []float64 Intersection, Union, Not , IsIn are the operations which are supported on slices
Package sliceutil implements set operations for specified data type Currently types which are tested and supported are: []uint32 []int32 []string []float32 []uint64 []int64 []string []float64 Intersection, Union, Not , IsIn are the operations which are supported on slices
Package ssz implements the Simple Serialize algorithm specified at https://github.com/ethereum/eth2.0-specs/blob/master/specs/simple-serialize.md Currently directly supported types: bool uint8 uint16 uint32 uint64 bytes slice struct Types that can be implicitly supported: address: use byte slice of length 20 instead hash: use byte slice of length 32 instead if the hash is 32 bytes long, for example
Package ssz implements the Simple Serialize algorithm specified at https://github.com/ethereum/eth2.0-specs/blob/master/specs/simple-serialize.md Currently directly supported types: bool uint8 uint16 uint32 uint64 bytes slice struct Types that can be implicitly supported: address: use byte slice of length 20 instead hash: use byte slice of length 32 instead if the hash is 32 bytes long, for example
Package testutil defines the testing utils such as asserting logs.
Package testutil defines the testing utils such as asserting logs.
Package trieutil contains definitions for building a Merkle trie for validator deposits as defined in the Ethereum Serenity specification, as well as utilities to generate and verify Merkle proofs.
Package trieutil contains definitions for building a Merkle trie for validator deposits as defined in the Ethereum Serenity specification, as well as utilities to generate and verify Merkle proofs.

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