emitter

package
Version: v1.2.6 Latest Latest
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Published: Sep 17, 2020 License: GPL-3.0 Imports: 28 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	EventTypeInactiveProposal = types.EventTypeInactiveProposal
	EventTypeActiveProposal   = types.EventTypeActiveProposal
	StatusInactive            = 6
)
View Source
var (
	EventTypeCompleteUnbonding    = types.EventTypeCompleteUnbonding
	EventTypeCompleteRedelegation = types.EventTypeCompleteRedelegation
)

Functions

This section is empty.

Types

type App

type App struct {
	*bandapp.BandApp
	// contains filtered or unexported fields
}

App extends the standard Band Cosmos-SDK application with Kafka emitter functionality to act as an event producer for all events in the blockchains.

func NewBandAppWithEmitter

func NewBandAppWithEmitter(
	kafkaURI string, logger log.Logger, db dbm.DB, traceStore io.Writer, loadLatest bool,
	invCheckPeriod uint, skipUpgradeHeights map[int64]bool, home string,
	disableFeelessReports bool, enableFastSync bool, baseAppOptions ...func(*bam.BaseApp),
) *App

NewBandAppWithEmitter creates a new App instance.

func (*App) AddAccountsInBlock

func (app *App) AddAccountsInBlock(accs ...sdk.AccAddress)

AddAccountsInBlock adds the given accounts to the list of accounts to update balances end-of-block.

func (*App) AddAccountsInTx

func (app *App) AddAccountsInTx(accs ...sdk.AccAddress)

AddAccountsInTx adds the given accounts to the list of accounts to track related account in transaction.

func (*App) BeginBlock

func (app *App) BeginBlock(req abci.RequestBeginBlock) abci.ResponseBeginBlock

BeginBlock calls into the underlying BeginBlock and emits relevant events to Kafka.

func (*App) Commit

func (app *App) Commit() (res abci.ResponseCommit)

Commit makes sure all Kafka messages are broadcasted and then calls into the underlying Commit.

func (*App) DeliverTx

func (app *App) DeliverTx(req abci.RequestDeliverTx) abci.ResponseDeliverTx

DeliverTx calls into the underlying DeliverTx and emits relevant events to Kafka.

func (*App) EndBlock

func (app *App) EndBlock(req abci.RequestEndBlock) abci.ResponseEndBlock

EndBlock calls into the underlying EndBlock and emits relevant events to Kafka.

func (*App) FlushMessages

func (app *App) FlushMessages()

FlushMessages publishes all pending messages to Kafka. Blocks until completion.

func (*App) InitChain

func (app *App) InitChain(req abci.RequestInitChain) abci.ResponseInitChain

InitChain calls into the underlying InitChain and emits relevant events to Kafka.

func (*App) Write

func (app *App) Write(key string, val JsDict)

Write adds the given key-value pair to the list of messages to publish during Commit.

type EvMap

type EvMap map[string][]string

EvMap is a type alias for SDK events mapping from Attr.Key to the list of values.

type JsDict

type JsDict map[string]interface{}

JsDict is a type alias for JSON dictionary.

type Message

type Message struct {
	Key   string
	Value JsDict
}

Message is a simple wrapper data type for each message published to Kafka.

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