func (self *CpuAgent) mine(block *types.Block) {
glog.V(logger.Debug).Infof("(re)started agent[%d]. mining...\n", self.index)
// Reset the channel
self.chMu.Lock()
self.quitCurrentOp = make(chan struct{}, 1)
self.chMu.Unlock()
// Mine
nonce, mixDigest := self.pow.Search(block, self.quitCurrentOp)
if nonce != 0 {
block.SetNonce(nonce)
block.Header().MixDigest = common.BytesToHash(mixDigest)
self.returnCh <- block
} else {
self.returnCh <- nil
}
}