Merge branch 'master' of https://github.com/harmony-one/harmony into HAR-67_libp2p_integration_v2

.travis.gofmt.sh

@@ -1,5 +1,10 @@
 #!/bin/bash
 
+if [ $(golint ./... | wc | awk '{print $1}') -gt 2 ]; then
+    echo "Go code is not formatted:"
+    gofmt -d .
+    exit 1
+fi
 if [ -n "$(gofmt -l .)" ]; then
     echo "Go code is not formatted:"
     gofmt -d .

.travis.yml

@@ -1,14 +1,18 @@
 language: go
 go:
-- master
+  - master
 install:
   - export GOPATH=$HOME/gopath
   - cd $HOME/gopath/src
   - cd github.com/harmony-one/harmony
   - go get -t -v ./...
+  - go get -u golang.org/x/lint/golint
   - go get gopkg.in/check.v1
   - ./.travis.gofmt.sh
   - go build -v ./...
+script:
+  - ./.travis.gofmt.sh
 notifications:
-  slack: harmonyone:gggCd1QQopsQAW8JYgBWiH7M
+  slack:
+    harmonyone:gggCd1QQopsQAW8JYgBWiH7M
     # secure: 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

consensus/consensus.go

@@ -299,6 +299,7 @@ func (consensus *Consensus) UpdatePublicKeys(pubKeys []kyber.Point) int {
 	return len(consensus.PublicKeys)
 }
 
+// NewFaker returns a faker consensus.
 func NewFaker() *Consensus {
 	return &Consensus{}
 }
@@ -386,11 +387,14 @@ func (consensus *Consensus) SealHash(header *types.Header) (hash common.Hash) {
 	return hash
 }
 
+// Seal is to seal final block.
 func (consensus *Consensus) Seal(chain ChainReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error {
 	// TODO: implement final block sealing
 	return nil
 }
 
+// Prepare is to prepare ...
+// TODO(RJ): fix it.
 func (consensus *Consensus) Prepare(chain ChainReader, header *types.Header) error {
 	// TODO: implement prepare method
 	return nil

consensus/consensus_leader.go

@@ -74,7 +74,6 @@ func (consensus *Consensus) WaitForNewBlockAccount(blockChannel chan *types.Bloc
 			// time.Sleep(500 * time.Millisecond)
 			data, err := rlp.EncodeToBytes(newBlock)
 			if err == nil {
-				consensus.Log.Debug("Sample tx", "tx", newBlock.Transactions()[0])
 				consensus.ResetState()
 				consensus.startConsensus(&blockchain.Block{Hash: newBlock.Hash(), AccountBlock: data})
 			} else {

core/state_transition.go

@@ -18,7 +18,6 @@ package core
 
 import (
 	"errors"
-	"fmt"
 	"math"
 	"math/big"
 
@@ -170,10 +169,8 @@ func (st *StateTransition) preCheck() error {
 	if st.msg.CheckNonce() {
 		nonce := st.state.GetNonce(st.msg.From())
 		if nonce < st.msg.Nonce() {
-			fmt.Println(nonce, " vs ", st.msg.Nonce())
 			return ErrNonceTooHigh
 		} else if nonce > st.msg.Nonce() {
-			fmt.Println(nonce, " vs ", st.msg.Nonce())
 			return ErrNonceTooLow
 		}
 	}

log/term/terminal_linux.go

@@ -11,4 +11,5 @@ import "syscall"
 
 const ioctlReadTermios = syscall.TCGETS
 
+// Termios ...
 type Termios syscall.Termios

node/node_handler.go

@@ -90,10 +90,10 @@ func (node *Node) NodeHandler(conn net.Conn) {
 			}
 		}
 	case proto.Consensus:
-		if !(node.State == NodeDoingConsensus || node.State == NodeLeader || node.State == NodeReadyForConsensus) {
+		// if !(node.State == NodeDoingConsensus || node.State == NodeLeader || node.State == NodeReadyForConsensus) {
-			node.log.Info("This node with ", "peer", node.SelfPeer, "can not join consensus because they are either not noding consensus or not a leader", nil)
+		// 	node.log.Info("This node with ", "peer", node.SelfPeer, "can not join consensus because they are either not noding consensus or not a leader", nil)
-			break
+		// 	break
-		}
+		// }
 		actionType := consensus.ConMessageType(msgType)
 		switch actionType {
 		case consensus.Consensus:
@@ -208,9 +208,9 @@ func (node *Node) NodeHandler(conn net.Conn) {
 	}
 
 	// Post processing after receiving messsages.
-	if node.State == NodeJoinedShard || node.State == NodeReadyForConsensus {
+	// if node.State == NodeJoinedShard || node.State == NodeReadyForConsensus {
-		go node.DoSyncing()
+	// 	go node.DoSyncing()
-	}
+	// }
 }
 
 func (node *Node) transactionMessageHandler(msgPayload []byte) {

node/worker/worker.go

@@ -1,10 +1,11 @@
 package worker
 
 import (
-	"github.com/harmony-one/harmony/log"
 	"math/big"
 	"time"
 
+	"github.com/harmony-one/harmony/log"
+
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/harmony-one/harmony/consensus"
@@ -38,6 +39,7 @@ type Worker struct {
 	gasCeil  uint64
 }
 
+// SelectTransactionsForNewBlock selects transactions for new block.
 func (w *Worker) SelectTransactionsForNewBlock(txs types.Transactions, maxNumTxs int) (types.Transactions, types.Transactions, types.Transactions) {
 	if w.current.gasPool == nil {
 		w.current.gasPool = new(core.GasPool).AddGas(w.current.header.GasLimit)

p2p/ida/errors.go

@@ -1,23 +0,0 @@
-// Copyright (c) 2014, Suryandaru Triandana <syndtr@gmail.com>
-// All rights reserved.
-//
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Package ida errors provides common error types used throughout leveldb.
-package ida
-
-import (
-	"errors"
-)
-
-// Common errors.
-var (
-	ErrRaptorImpNotFound = New("raptor implementation: not found")
-	ErrTimeOut           = New("timeout: time's up now")
-)
-
-// New returns an error that formats as the given text.
-func New(text string) error {
-	return errors.New(text)
-}

p2p/ida/ida.go

@@ -1,37 +0,0 @@
-package ida
-
-import (
-	"time"
-
-	"github.com/harmony-one/harmony/p2p"
-)
-
-// IDAImp implements IDA interface.
-type IDAImp struct {
-	raptorQImp RaptorQ
-}
-
-// TakeRaptorQ takes RaptorQ implementation.
-func (ida *IDAImp) TakeRaptorQ(raptorQImp RaptorQ) {
-	ida.raptorQImp = raptorQImp
-}
-
-// Process implements very simple IDA logic.
-func (ida *IDAImp) Process(msg Message, peers []p2p.Peer, done chan struct{}, timeout time.Duration) error {
-	if ida.raptorQImp == nil {
-		return ErrRaptorImpNotFound
-	}
-	chunkStream := ida.raptorQImp.Process(msg)
-	id := 0
-	for {
-		select {
-		case <-done:
-			return nil
-		case <-time.After(timeout):
-			return ErrTimeOut
-		case chunk := <-chunkStream:
-			p2p.SendMessage(peers[id], chunk)
-			id++
-		}
-	}
-}

p2p/ida/ida_test.go

@@ -1,77 +0,0 @@
-package ida
-
-import (
-	"math/rand"
-	"testing"
-	"time"
-
-	"github.com/harmony-one/harmony/p2p"
-)
-
-var (
-	a = Symbol{0, 0}
-	b = Symbol{1, 0}
-	c = Symbol{0, 1}
-	d = Symbol{1, 1}
-)
-
-type FakeRaptor struct {
-	symbols []Symbol
-	done    chan struct{}
-	r       *rand.Rand
-}
-
-func (raptor *FakeRaptor) Init() {
-	// raptor.symbols = make([]Symbol, 4)
-	raptor.symbols = make([]Symbol, 4)
-	raptor.symbols[0] = make(Symbol, 2)
-	copy(raptor.symbols[0], a)
-	raptor.symbols[1] = make(Symbol, 2)
-	copy(raptor.symbols[1], b)
-	raptor.symbols[2] = make(Symbol, 2)
-	copy(raptor.symbols[2], c)
-	raptor.symbols[3] = make(Symbol, 2)
-	copy(raptor.symbols[3], d)
-	raptor.r = rand.New(rand.NewSource(99))
-	raptor.done = make(chan struct{})
-}
-
-func (raptor *FakeRaptor) generate(res chan Symbol) {
-	for {
-		select {
-		case <-raptor.done:
-			return
-		default:
-			i := raptor.r.Intn(4)
-			res <- raptor.symbols[i]
-		}
-	}
-}
-
-func (raptor *FakeRaptor) Process(msg Message) chan Symbol {
-	res := make(chan Symbol)
-	go raptor.generate(res)
-	return res
-}
-
-func TestShouldReturnErrRaptorImpNotFound(t *testing.T) {
-	ida := &IDAImp{}
-	done := make(chan struct{})
-	err := ida.Process([]byte{}, []p2p.Peer{}, done, time.Second)
-	if err != ErrRaptorImpNotFound {
-		t.Fatal("Should return an error")
-	}
-}
-
-func TestSimple(t *testing.T) {
-	raptor := &FakeRaptor{}
-	raptor.Init()
-
-	// ida := &IDAImp{}
-	// done := make(chan struct{})
-	// ida.TakeRaptorQ(raptor)
-	// err := ida.Process([]byte{}, []p2p.Peer{}, done, time.Second)
-	// if err == ErrRaptorImpNotFound {
-	// 	t.Fatal("Should return an error")
-	// }
-}

p2p/ida/interface.go

@@ -1,25 +0,0 @@
-package ida
-
-import (
-	"time"
-
-	"github.com/harmony-one/harmony/p2p"
-)
-
-// Symbol is produced from a RaptorQ implementation.
-type Symbol []byte
-
-// Message is type of general message gopssiped
-type Message []byte
-
-// RaptorQ interface.
-type RaptorQ interface {
-	Init()
-	Process(msg Message) chan Symbol
-}
-
-// IDA interface.
-type IDA interface {
-	TakeRaptorQ(raptorQImp *RaptorQ)
-	Process(msg Message, peers []p2p.Peer, done chan struct{}, timeout time.Duration) error
-}

syncing/syncing.go

@@ -29,6 +29,7 @@ type SyncPeerConfig struct {
 	blockHashes [][]byte
 }
 
+// Log is the temporary log for syncing.
 var Log = log.New()
 
 // SyncBlockTask is the task struct to sync a specific block.
@@ -264,6 +265,7 @@ func (ss *StateSync) generateStateSyncTaskQueue(bc *blockchain.Blockchain) {
 			for id, blockHash := range configPeer.blockHashes {
 				if bc.Blocks[id] == nil || !reflect.DeepEqual(bc.Blocks[id].Hash[:], blockHash) {
 					ss.stateSyncTaskQueue.Put(SyncBlockTask{index: id, blockHash: blockHash})
+					// TODO(minhdoan): Check error
 				}
 			}
 			break