tendermint/consensus/common.go

package consensus

import (
	"github.com/tendermint/tendermint/types"
)

// NOTE: this is blocking
func subscribeToEvent(evsw types.EventSwitch, receiver, eventID string, chanCap int) chan interface{} {
	// listen for new round
	ch := make(chan interface{}, chanCap)
	types.AddListenerForEvent(evsw, receiver, eventID, func(data types.TMEventData) {
		ch <- data
	})
	return ch
}