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26 lines
756 B

package consensus
import (
"github.com/tendermint/tendermint/types"
)
// NOTE: if chanCap=0, this blocks on the event being consumed
func subscribeToEvent(evsw types.EventSwitch, receiver, eventID string, chanCap int) chan interface{} {
// listen for event
ch := make(chan interface{}, chanCap)
types.AddListenerForEvent(evsw, receiver, eventID, func(data types.TMEventData) {
ch <- data
})
return ch
}
// NOTE: this blocks on receiving a response after the event is consumed
func subscribeToEventRespond(evsw types.EventSwitch, receiver, eventID string) chan interface{} {
// listen for event
ch := make(chan interface{})
types.AddListenerForEvent(evsw, receiver, eventID, func(data types.TMEventData) {
ch <- data
<-ch
})
return ch
}