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604 B

package consensus
import (
"github.com/tendermint/tendermint/types"
)
// XXX: WARNING: this function can halt the consensus as firing events is synchronous.
// Make sure to read off the channels, and in the case of subscribeToEventRespond, to write back on it
// 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
}