From c2e6908f2b3a7d711b1f1b90902a4c61bc758ff0 Mon Sep 17 00:00:00 2001
From: DinhLN <lenhatdinh@gmail.com>
Date: Tue, 12 Feb 2019 09:56:04 +0700
Subject: [PATCH] Fixed hard code 3 mns address only for testnet.

---
 consensus/posv/posv.go | 13 ++++++++++---
 miner/worker.go        |  5 ++---
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/consensus/posv/posv.go b/consensus/posv/posv.go
index 00bf5485da..2cd8b9ac71 100644
--- a/consensus/posv/posv.go
+++ b/consensus/posv/posv.go
@@ -483,10 +483,16 @@ func whoIsCreator(snap *Snapshot, header *types.Header) (common.Address, error)
 
 func (c *Posv) YourTurn(chain consensus.ChainReader, parent *types.Header, signer common.Address) (int, int, int, bool, error) {
 	masternodes := c.GetMasternodes(chain, parent)
+
 	if common.IsTestnet {
-		// Only three mns for tomo testnet.
-		masternodes = masternodes[:3]
+		// Only three mns hard code for tomo testnet.
+		masternodes = []common.Address{
+			common.HexToAddress("0xfFC679Dcdf444D2eEb0491A998E7902B411CcF20"),
+			common.HexToAddress("0xd76fd76F7101811726DCE9E43C2617706a4c45c8"),
+			common.HexToAddress("0x8A97753311aeAFACfd76a68Cf2e2a9808d3e65E8"),
+		}
 	}
+
 	snap, err := c.GetSnapshot(chain, parent)
 	if err != nil {
 		log.Warn("Failed when trying to commit new work", "err", err)
@@ -901,7 +907,7 @@ func (c *Posv) Seal(chain consensus.ChainReader, block *types.Block, stop <-chan
 	}
 	// For 0-period chains, refuse to seal empty blocks (no reward but would spin sealing)
 	// checkpoint blocks have no tx
-	if c.config.Period == 0 && len(block.Transactions()) == 0 && number % c.config.Epoch != 0 {
+	if c.config.Period == 0 && len(block.Transactions()) == 0 && number%c.config.Epoch != 0 {
 		return nil, errWaitTransactions
 	}
 	// Don't hold the signer fields for the entire sealing procedure
@@ -1023,6 +1029,7 @@ func (c *Posv) GetMasternodesFromCheckpointHeader(preCheckpointHeader *types.Hea
 	for i := 0; i < len(masternodes); i++ {
 		copy(masternodes[i][:], preCheckpointHeader.Extra[extraVanity+i*common.AddressLength:])
 	}
+
 	return masternodes
 }
 
diff --git a/miner/worker.go b/miner/worker.go
index d567e7bb41..8159e41547 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -585,10 +585,10 @@ func (self *worker) commitNewWork() {
 	}
 	// won't grasp txs at checkpoint
 	var (
-		txs *types.TransactionsByPriceAndNonce
+		txs        *types.TransactionsByPriceAndNonce
 		specialTxs types.Transactions
 	)
-	if self.config.Posv != nil && header.Number.Uint64() % self.config.Posv.Epoch != 0 {
+	if self.config.Posv != nil && header.Number.Uint64()%self.config.Posv.Epoch != 0 {
 		pending, err := self.eth.TxPool().Pending()
 		if err != nil {
 			log.Error("Failed to fetch pending transactions", "err", err)
@@ -598,7 +598,6 @@ func (self *worker) commitNewWork() {
 	}
 	work.commitTransactions(self.mux, txs, specialTxs, self.chain, self.coinbase)
 
-
 	// compute uncles for the new block.
 	var (
 		uncles    []*types.Header