client

package
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Published: Jul 4, 2018 License: Apache-2.0 Imports: 12 Imported by: 0

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Index

Constants

This section is empty.

Variables

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

DefaultABCIQueryOptions are latest height (0) and trusted equal to false (which will result in a proof being returned).

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
	Trusted bool
}

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

type Client

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

Directories

Path Synopsis
package mock returns a Client implementation that accepts various (mock) implementations of the various methods.
package mock returns a Client implementation that accepts various (mock) implementations of the various methods.

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