Merge pull request #50 from binance-chain/p1.0.4

[R4R]add change log for release v1.0.4

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Changelog
 
+## v1.0.4
+
+IMPROVEMENT
+* [\#35](https://github.com/binance-chain/bsc/pull/35) use fixed gas price when network is idle 
+* [\#38](https://github.com/binance-chain/bsc/pull/38) disable noisy log from consensus engine 
+* [\#47](https://github.com/binance-chain/bsc/pull/47) upgrade to golang1.15.5
+* [\#49](https://github.com/binance-chain/bsc/pull/49) Create pull request template for all developer to follow 
+
+
 ## v1.0.3
 
 IMPROVEMENT

Dockerfile

@@ -1,7 +1,12 @@
-# Build Geth in a stock Go builder container
-FROM golang:1.14-alpine as builder
+FROM golang:1.15-alpine as builder
 
-RUN apk add --no-cache make gcc musl-dev linux-headers git
+RUN apk add --no-cache make gcc musl-dev linux-headers git bash
+
+# Temporarily pull a custom Go bundle
+ADD https://golang.org/dl/go1.15.5.src.tar.gz /tmp/go.tar.gz
+RUN (cd /tmp && tar -xf go.tar.gz)
+RUN (cd /tmp/go/src && ./make.bash)
+ENV PATH="/tmp/go/bin:${PATH}"
 
 ADD . /go-ethereum
 RUN cd /go-ethereum && make geth

PULL_REQUEST_TEMPLATE

@@ -0,0 +1,31 @@
+### Description
+
+add a description of your changes here...
+
+### Rationale
+
+tell us why we need these changes...
+
+### Example
+
+add an example CLI or API response...
+
+### Changes
+
+Notable changes: 
+* add each change in a bullet point here
+* ...
+
+### Preflight checks
+
+- [ ] build passed (`make build`)
+- [ ] tests passed (`make test`)
+- [ ] manual transaction test passed
+
+### Already reviewed by
+
+...
+
+### Related issues
+
+... reference related issue #'s here ...

consensus/parlia/parlia.go

@@ -680,7 +680,7 @@ func (p *Parlia) Finalize(chain consensus.ChainReader, header *types.Header, sta
 			}
 		}
 		if !signedRecently {
-			log.Info("slash validator", "block hash", header.Hash(), "address", spoiledVal)
+			log.Trace("slash validator", "block hash", header.Hash(), "address", spoiledVal)
 			err = p.slash(spoiledVal, state, header, cx, txs, receipts, systemTxs, usedGas, false)
 			if err != nil {
 				// it is possible that slash validator failed because of the slash channel is disabled.
@@ -947,11 +947,11 @@ func (p *Parlia) distributeIncoming(val common.Address, state *state.StateDB, he
 			if err != nil {
 				return err
 			}
-			log.Info("distribute to system reward pool", "block hash", header.Hash(), "amount", rewards)
+			log.Trace("distribute to system reward pool", "block hash", header.Hash(), "amount", rewards)
 			balance = balance.Sub(balance, rewards)
 		}
 	}
-	log.Info("distribute to validator contract", "block hash", header.Hash(), "amount", balance)
+	log.Trace("distribute to validator contract", "block hash", header.Hash(), "amount", balance)
 	return p.distributeToValidator(balance, val, state, header, chain, txs, receipts, receivedTxs, usedGas, mining)
 }
 
@@ -999,7 +999,7 @@ func (p *Parlia) initContract(state *state.StateDB, header *types.Header, chain
 	for _, c := range contracts {
 		msg := p.getSystemMessage(header.Coinbase, common.HexToAddress(c), data, common.Big0)
 		// apply message
-		log.Info("init contract", "block hash", header.Hash(), "contract", c)
+		log.Trace("init contract", "block hash", header.Hash(), "contract", c)
 		err = p.applyTransaction(msg, state, header, chain, txs, receipts, receivedTxs, usedGas, mining)
 		if err != nil {
 			return err

eth/config.go

@@ -61,8 +61,9 @@ var DefaultConfig = Config{
 	},
 	TxPool: core.DefaultTxPoolConfig,
 	GPO: gasprice.Config{
-		Blocks:     20,
-		Percentile: 60,
+		Blocks:          20,
+		Percentile:      60,
+		OracleThreshold: 1000,
 	},
 }
 

eth/gasprice/gasprice.go

@@ -32,9 +32,10 @@ import (
 var maxPrice = big.NewInt(500 * params.GWei)
 
 type Config struct {
-	Blocks     int
-	Percentile int
-	Default    *big.Int `toml:",omitempty"`
+	Blocks          int
+	Percentile      int
+	Default         *big.Int `toml:",omitempty"`
+	OracleThreshold int      `toml:",omitempty"`
 }
 
 // Oracle recommends gas prices based on the content of recent
@@ -46,6 +47,9 @@ type Oracle struct {
 	cacheLock sync.RWMutex
 	fetchLock sync.Mutex
 
+	defaultPrice      *big.Int
+	sampleTxThreshold int
+
 	checkBlocks, maxEmpty, maxBlocks int
 	percentile                       int
 }
@@ -64,12 +68,14 @@ func NewOracle(backend ethapi.Backend, params Config) *Oracle {
 		percent = 100
 	}
 	return &Oracle{
-		backend:     backend,
-		lastPrice:   params.Default,
-		checkBlocks: blocks,
-		maxEmpty:    blocks / 2,
-		maxBlocks:   blocks * 5,
-		percentile:  percent,
+		backend:           backend,
+		lastPrice:         params.Default,
+		defaultPrice:      params.Default,
+		checkBlocks:       blocks,
+		maxEmpty:          blocks / 2,
+		maxBlocks:         blocks * 5,
+		percentile:        percent,
+		sampleTxThreshold: params.OracleThreshold,
 	}
 }
 
@@ -103,6 +109,7 @@ func (gpo *Oracle) SuggestPrice(ctx context.Context) (*big.Int, error) {
 	sent := 0
 	exp := 0
 	var blockPrices []*big.Int
+	var totalTxSamples int
 	for sent < gpo.checkBlocks && blockNum > 0 {
 		go gpo.getBlockPrices(ctx, types.MakeSigner(gpo.backend.ChainConfig(), big.NewInt(int64(blockNum))), blockNum, ch)
 		sent++
@@ -118,6 +125,7 @@ func (gpo *Oracle) SuggestPrice(ctx context.Context) (*big.Int, error) {
 		exp--
 		if res.price != nil {
 			blockPrices = append(blockPrices, res.price)
+			totalTxSamples = totalTxSamples + res.number
 			continue
 		}
 		if maxEmpty > 0 {
@@ -132,9 +140,11 @@ func (gpo *Oracle) SuggestPrice(ctx context.Context) (*big.Int, error) {
 		}
 	}
 	price := lastPrice
-	if len(blockPrices) > 0 {
+	if len(blockPrices) > 0 && totalTxSamples > gpo.sampleTxThreshold {
 		sort.Sort(bigIntArray(blockPrices))
 		price = blockPrices[(len(blockPrices)-1)*gpo.percentile/100]
+	} else {
+		price = gpo.defaultPrice
 	}
 	if price.Cmp(maxPrice) > 0 {
 		price = new(big.Int).Set(maxPrice)
@@ -148,8 +158,9 @@ func (gpo *Oracle) SuggestPrice(ctx context.Context) (*big.Int, error) {
 }
 
 type getBlockPricesResult struct {
-	price *big.Int
-	err   error
+	number int
+	price  *big.Int
+	err    error
 }
 
 type transactionsByGasPrice []*types.Transaction
@@ -163,7 +174,7 @@ func (t transactionsByGasPrice) Less(i, j int) bool { return t[i].GasPrice().Cmp
 func (gpo *Oracle) getBlockPrices(ctx context.Context, signer types.Signer, blockNum uint64, ch chan getBlockPricesResult) {
 	block, err := gpo.backend.BlockByNumber(ctx, rpc.BlockNumber(blockNum))
 	if block == nil {
-		ch <- getBlockPricesResult{nil, err}
+		ch <- getBlockPricesResult{0, nil, err}
 		return
 	}
 
@@ -175,11 +186,11 @@ func (gpo *Oracle) getBlockPrices(ctx context.Context, signer types.Signer, bloc
 	for _, tx := range txs {
 		sender, err := types.Sender(signer, tx)
 		if err == nil && sender != block.Coinbase() {
-			ch <- getBlockPricesResult{tx.GasPrice(), nil}
+			ch <- getBlockPricesResult{len(txs), tx.GasPrice(), nil}
 			return
 		}
 	}
-	ch <- getBlockPricesResult{nil, nil}
+	ch <- getBlockPricesResult{0, nil, nil}
 }
 
 type bigIntArray []*big.Int

go.mod

@@ -1,6 +1,6 @@
 module github.com/ethereum/go-ethereum
 
-go 1.13
+go 1.15
 
 require (
 	github.com/Azure/azure-pipeline-go v0.2.2 // indirect

params/version.go

@@ -23,7 +23,7 @@ import (
 const (
 	VersionMajor = 1  // Major version component of the current release
 	VersionMinor = 0  // Minor version component of the current release
-	VersionPatch = 3  // Patch version component of the current release
+	VersionPatch = 4  // Patch version component of the current release
 	VersionMeta  = "" // Version metadata to append to the version string
 )