Function GetPubKeyNonce

crypto/asymmetric/keypair.go:188–212

GetPubKeyNonce will make his best effort to find a difficult enough nonce.

(
	publicKey *PublicKey,
	difficulty int,
	timeThreshold time.Duration,
	quit chan struct{})

// GetPubKeyNonce will make his best effort to find a difficult enough
// nonce.
func GetPubKeyNonce(
	publicKey *PublicKey,
	difficulty int,
	timeThreshold time.Duration,
	quit chan struct{}) (nonce mine.NonceInfo) {

	miner := mine.NewCPUMiner(quit)
	nonceCh := make(chan mine.NonceInfo)
	// if miner finished his work before timeThreshold
	// make sure writing to the Stop chan non-blocking.
	stop := make(chan struct{}, 1)
	block := mine.MiningBlock{
		Data:      publicKey.Serialize(),
		NonceChan: nonceCh,
		Stop:      stop,
	}

	go miner.ComputeBlockNonce(block, mine.Uint256{}, difficulty)

	time.Sleep(timeThreshold)
	// stop miner
	block.Stop <- struct{}{}

	return <-block.NonceChan
}