client

package
v0.26.0-rc0 Latest Latest
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 Go to latest Published: Oct 29, 2018 License: Apache-2.0 Imports: 12 Imported by: 3

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Index

Constants

This section is empty.

Variables

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var DefaultABCIQueryOptions = ABCIQueryOptions{Height: 0, Prove: false}

DefaultABCIQueryOptions are latest height (0) and prove false.

Functions

func DefaultWaitStrategy 

func DefaultWaitStrategy(delta int64) (abort error)

DefaultWaitStrategy is the standard backoff algorithm, but you can plug in another one

func WaitForHeight 

func WaitForHeight(c StatusClient, h int64, waiter Waiter) error

Wait for height will poll status at reasonable intervals until the block at the given height is available.

If waiter is nil, we use DefaultWaitStrategy, but you can also provide your own implementation

func WaitForOneEvent 

func WaitForOneEvent(c EventsClient, evtTyp string, timeout time.Duration) (types.TMEventData, error)

WaitForOneEvent subscribes to a websocket event for the given event time and returns upon receiving it one time, or when the timeout duration has expired.

This handles subscribing and unsubscribing under the hood

Types

type ABCIClient 

type ABCIClient interface {
	// Reading from abci app
	ABCIInfo() (*ctypes.ResultABCIInfo, error)
	ABCIQuery(path string, data cmn.HexBytes) (*ctypes.ResultABCIQuery, error)
	ABCIQueryWithOptions(path string, data cmn.HexBytes,
		opts ABCIQueryOptions) (*ctypes.ResultABCIQuery, error)

	// Writing to abci app
	BroadcastTxCommit(tx types.Tx) (*ctypes.ResultBroadcastTxCommit, error)
	BroadcastTxAsync(tx types.Tx) (*ctypes.ResultBroadcastTx, error)
	BroadcastTxSync(tx types.Tx) (*ctypes.ResultBroadcastTx, error)
}

ABCIClient groups together the functionality that principally affects the ABCI app. In many cases this will be all we want, so we can accept an interface which is easier to mock

type ABCIQueryOptions added in v0.12.0 

type ABCIQueryOptions struct {
	Height int64
	Prove  bool
}

ABCIQueryOptions can be used to provide options for ABCIQuery call other than the DefaultABCIQueryOptions.

type Client 

type Client interface {
	cmn.Service
	ABCIClient
	SignClient
	HistoryClient
	StatusClient
	EventsClient
}

Client wraps most important rpc calls a client would make if you want to listen for events, test if it also implements events.EventSwitch

type EventsClient added in v0.13.0 

type EventsClient interface {
	types.EventBusSubscriber
}

EventsClient is reactive, you can subscribe to any message, given the proper string. see tendermint/types/events.go

type HTTP 

type HTTP struct {
	*WSEvents
	// contains filtered or unexported fields
}

HTTP is a Client implementation that communicates with a tendermint node over json rpc and websockets.

This is the main implementation you probably want to use in production code. There are other implementations when calling the tendermint node in-process (local), or when you want to mock out the server for test code (mock).

func NewHTTP 

func NewHTTP(remote, wsEndpoint string) *HTTP

NewHTTP takes a remote endpoint in the form tcp://<host>:<port> and the websocket path (which always seems to be "/websocket")

func (*HTTP) ABCIInfo 

func (c *HTTP) ABCIInfo() (*ctypes.ResultABCIInfo, error)

func (*HTTP) ABCIQuery 

func (c *HTTP) ABCIQuery(path string, data cmn.HexBytes) (*ctypes.ResultABCIQuery, error)

func (*HTTP) ABCIQueryWithOptions added in v0.12.0 

func (c *HTTP) ABCIQueryWithOptions(path string, data cmn.HexBytes, opts ABCIQueryOptions) (*ctypes.ResultABCIQuery, error)

func (*HTTP) Block 

func (c *HTTP) Block(height *int64) (*ctypes.ResultBlock, error)

func (*HTTP) BlockResults added in v0.15.0 

func (c *HTTP) BlockResults(height *int64) (*ctypes.ResultBlockResults, error)

func (*HTTP) BlockchainInfo 

func (c *HTTP) BlockchainInfo(minHeight, maxHeight int64) (*ctypes.ResultBlockchainInfo, error)

func (*HTTP) BroadcastTxAsync 

func (c *HTTP) BroadcastTxAsync(tx types.Tx) (*ctypes.ResultBroadcastTx, error)

func (*HTTP) BroadcastTxCommit 

func (c *HTTP) BroadcastTxCommit(tx types.Tx) (*ctypes.ResultBroadcastTxCommit, error)

func (*HTTP) BroadcastTxSync 

func (c *HTTP) BroadcastTxSync(tx types.Tx) (*ctypes.ResultBroadcastTx, error)

func (*HTTP) Commit 

func (c *HTTP) Commit(height *int64) (*ctypes.ResultCommit, error)

func (*HTTP) ConsensusState added in v0.19.3 

func (c *HTTP) ConsensusState() (*ctypes.ResultConsensusState, error)

func (*HTTP) DumpConsensusState 

func (c *HTTP) DumpConsensusState() (*ctypes.ResultDumpConsensusState, error)

func (*HTTP) Genesis 

func (c *HTTP) Genesis() (*ctypes.ResultGenesis, error)

func (*HTTP) Health added in v0.17.0 

func (c *HTTP) Health() (*ctypes.ResultHealth, error)

func (*HTTP) NetInfo 

func (c *HTTP) NetInfo() (*ctypes.ResultNetInfo, error)

func (*HTTP) Status 

func (c *HTTP) Status() (*ctypes.ResultStatus, error)

func (*HTTP) Tx added in v0.9.1 

func (c *HTTP) Tx(hash []byte, prove bool) (*ctypes.ResultTx, error)

func (*HTTP) TxSearch added in v0.13.0 

func (c *HTTP) TxSearch(query string, prove bool, page, perPage int) (*ctypes.ResultTxSearch, error)

func (*HTTP) Validators 

func (c *HTTP) Validators(height *int64) (*ctypes.ResultValidators, error)

type HistoryClient 

type HistoryClient interface {
	Genesis() (*ctypes.ResultGenesis, error)
	BlockchainInfo(minHeight, maxHeight int64) (*ctypes.ResultBlockchainInfo, error)
}

HistoryClient shows us data from genesis to now in large chunks.

type Local 

type Local struct {
	*types.EventBus
}

Local is a Client implementation that directly executes the rpc functions on a given node, without going through HTTP or GRPC.

This implementation is useful for:

* Running tests against a node in-process without the overhead of going through an http server * Communication between an ABCI app and Tendermint core when they are compiled in process.

For real clients, you probably want to use client.HTTP. For more powerful control during testing, you probably want the "client/mock" package.

func NewLocal 

func NewLocal(node *nm.Node) *Local

NewLocal configures a client that calls the Node directly.

Note that given how rpc/core works with package singletons, that you can only have one node per process. So make sure test cases don't run in parallel, or try to simulate an entire network in one process...

func (Local) ABCIInfo 

func (Local) ABCIInfo() (*ctypes.ResultABCIInfo, error)

func (*Local) ABCIQuery 

func (c *Local) ABCIQuery(path string, data cmn.HexBytes) (*ctypes.ResultABCIQuery, error)

func (Local) ABCIQueryWithOptions added in v0.12.0 

func (Local) ABCIQueryWithOptions(path string, data cmn.HexBytes, opts ABCIQueryOptions) (*ctypes.ResultABCIQuery, error)

func (Local) Block 

func (Local) Block(height *int64) (*ctypes.ResultBlock, error)

func (Local) BlockResults added in v0.15.0 

func (Local) BlockResults(height *int64) (*ctypes.ResultBlockResults, error)

func (Local) BlockchainInfo 

func (Local) BlockchainInfo(minHeight, maxHeight int64) (*ctypes.ResultBlockchainInfo, error)

func (Local) BroadcastTxAsync 

func (Local) BroadcastTxAsync(tx types.Tx) (*ctypes.ResultBroadcastTx, error)

func (Local) BroadcastTxCommit 

func (Local) BroadcastTxCommit(tx types.Tx) (*ctypes.ResultBroadcastTxCommit, error)

func (Local) BroadcastTxSync 

func (Local) BroadcastTxSync(tx types.Tx) (*ctypes.ResultBroadcastTx, error)

func (Local) Commit 

func (Local) Commit(height *int64) (*ctypes.ResultCommit, error)

func (Local) ConsensusState added in v0.19.3 

func (Local) ConsensusState() (*ctypes.ResultConsensusState, error)

func (Local) DialPeers added in v0.16.0 

func (Local) DialPeers(peers []string, persistent bool) (*ctypes.ResultDialPeers, error)

func (Local) DialSeeds 

func (Local) DialSeeds(seeds []string) (*ctypes.ResultDialSeeds, error)

func (Local) DumpConsensusState 

func (Local) DumpConsensusState() (*ctypes.ResultDumpConsensusState, error)

func (Local) Genesis 

func (Local) Genesis() (*ctypes.ResultGenesis, error)

func (Local) Health added in v0.17.0 

func (Local) Health() (*ctypes.ResultHealth, error)

func (Local) NetInfo 

func (Local) NetInfo() (*ctypes.ResultNetInfo, error)

func (Local) Status 

func (Local) Status() (*ctypes.ResultStatus, error)

func (*Local) Subscribe added in v0.13.0 

func (c *Local) Subscribe(ctx context.Context, subscriber string, query tmpubsub.Query, out chan<- interface{}) error

func (Local) Tx added in v0.9.1 

func (Local) Tx(hash []byte, prove bool) (*ctypes.ResultTx, error)

func (Local) TxSearch added in v0.13.0 

func (Local) TxSearch(query string, prove bool, page, perPage int) (*ctypes.ResultTxSearch, error)

func (*Local) Unsubscribe added in v0.13.0 

func (c *Local) Unsubscribe(ctx context.Context, subscriber string, query tmpubsub.Query) error

func (*Local) UnsubscribeAll added in v0.13.0 

func (c *Local) UnsubscribeAll(ctx context.Context, subscriber string) error

func (Local) Validators 

func (Local) Validators(height *int64) (*ctypes.ResultValidators, error)

type NetworkClient 

type NetworkClient interface {
	NetInfo() (*ctypes.ResultNetInfo, error)
	DumpConsensusState() (*ctypes.ResultDumpConsensusState, error)
	ConsensusState() (*ctypes.ResultConsensusState, error)
	Health() (*ctypes.ResultHealth, error)
}

NetworkClient is general info about the network state. May not be needed usually.

Not included in the Client interface, but generally implemented by concrete implementations.

type SignClient 

type SignClient interface {
	Block(height *int64) (*ctypes.ResultBlock, error)
	BlockResults(height *int64) (*ctypes.ResultBlockResults, error)
	Commit(height *int64) (*ctypes.ResultCommit, error)
	Validators(height *int64) (*ctypes.ResultValidators, error)
	Tx(hash []byte, prove bool) (*ctypes.ResultTx, error)
	TxSearch(query string, prove bool, page, perPage int) (*ctypes.ResultTxSearch, error)
}

SignClient groups together the interfaces need to get valid signatures and prove anything about the chain

type StatusClient 

type StatusClient interface {
	// General chain info
	Status() (*ctypes.ResultStatus, error)
}

type WSEvents 

type WSEvents struct {
	cmn.BaseService
	// contains filtered or unexported fields
}

func (*WSEvents) OnStart added in v0.14.0 

func (w *WSEvents) OnStart() error

func (*WSEvents) OnStop added in v0.14.0 

func (w *WSEvents) OnStop()

Stop wraps the BaseService/eventSwitch actions as Start does

func (*WSEvents) Subscribe added in v0.13.0 

func (w *WSEvents) Subscribe(ctx context.Context, subscriber string, query tmpubsub.Query, out chan<- interface{}) error

func (*WSEvents) Unsubscribe added in v0.13.0 

func (w *WSEvents) Unsubscribe(ctx context.Context, subscriber string, query tmpubsub.Query) error

func (*WSEvents) UnsubscribeAll added in v0.13.0 

func (w *WSEvents) UnsubscribeAll(ctx context.Context, subscriber string) error

type Waiter 

type Waiter func(delta int64) (abort error)

Waiter is informed of current height, decided whether to quit early

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