set minimum gas price

.github/workflows/docker-image.yml

@@ -1,9 +1,7 @@
 name: Docker Image CI
 
 on:
-  push:
-    -tags:
-      - v1.2.0
+  workflow_dispatch:
 
 
 jobs:
@@ -39,7 +37,7 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }} 
 
       - name: Copy binary out of image
-        run: mkdir -p build/bin && docker create --name binContainer wyblockchain/kcc:latest && docker cp binContainer:/usr/local/bin/geth build/bin/geth && ls -la build/bin/geth
+        run: mkdir -p build/bin && docker create --name binContainer kucoincommunitychain/kcc:latest && docker cp binContainer:/usr/local/bin/geth build/bin/geth && ls -la build/bin/geth
 
       - uses: "marvinpinto/action-automatic-releases@latest"
         with:

cmd/geth/main.go

@@ -147,6 +147,7 @@ var (
 		utils.GpoBlocksFlag,
 		utils.GpoPercentileFlag,
 		utils.GpoMaxGasPriceFlag,
+		utils.GpoMinGasPriceFlag,
 		utils.EWASMInterpreterFlag,
 		utils.EVMInterpreterFlag,
 		configFileFlag,

cmd/geth/usage.go

@@ -192,6 +192,7 @@ var AppHelpFlagGroups = []flags.FlagGroup{
 			utils.GpoBlocksFlag,
 			utils.GpoPercentileFlag,
 			utils.GpoMaxGasPriceFlag,
+			utils.GpoMinGasPriceFlag,
 		},
 	},
 	{

cmd/utils/flags.go

@@ -668,6 +668,11 @@ var (
 		Usage: "Maximum gas price will be recommended by gpo",
 		Value: ethconfig.Defaults.GPO.MaxPrice.Int64(),
 	}
+	GpoMinGasPriceFlag = cli.Int64Flag{
+		Name:  "gpo.minprice",
+		Usage: "Minimum gas price will be recommended by gpo",
+		Value: ethconfig.Defaults.GPO.MinPrice.Int64(),
+	}
 
 	// Metrics flags
 	MetricsEnabledFlag = cli.BoolFlag{
@@ -1238,6 +1243,9 @@ func setGPO(ctx *cli.Context, cfg *gasprice.Config, light bool) {
 	if ctx.GlobalIsSet(GpoMaxGasPriceFlag.Name) {
 		cfg.MaxPrice = big.NewInt(ctx.GlobalInt64(GpoMaxGasPriceFlag.Name))
 	}
+	if ctx.GlobalIsSet(GpoMinGasPriceFlag.Name) {
+		cfg.MinPrice = big.NewInt(ctx.GlobalInt64(GpoMinGasPriceFlag.Name))
+	}
 }
 
 func setTxPool(ctx *cli.Context, cfg *core.TxPoolConfig) {

eth/ethconfig/config.go

@@ -46,13 +46,15 @@ var FullNodeGPO = gasprice.Config{
 	Blocks:     20,
 	Percentile: 60,
 	MaxPrice:   gasprice.DefaultMaxPrice,
+	MinPrice:   gasprice.DefaultMinPrice,
 }
 
 // LightClientGPO contains default gasprice oracle settings for light client.
 var LightClientGPO = gasprice.Config{
 	Blocks:     2,
 	Percentile: 60,
 	MaxPrice:   gasprice.DefaultMaxPrice,
+	MinPrice:   gasprice.DefaultMinPrice,
 }
 
 // Defaults contains default settings for use on the Ethereum main net.

eth/gasprice/gasprice.go

@@ -32,12 +32,14 @@ import (
 const sampleNumber = 3 // Number of transactions sampled in a block
 
 var DefaultMaxPrice = big.NewInt(500 * params.GWei)
+var DefaultMinPrice = big.NewInt(3 * params.GWei)
 
 type Config struct {
 	Blocks     int
 	Percentile int
 	Default    *big.Int `toml:",omitempty"`
 	MaxPrice   *big.Int `toml:",omitempty"`
+	MinPrice   *big.Int `toml:",omitempty"`
 }
 
 // OracleBackend includes all necessary background APIs for oracle.
@@ -54,6 +56,7 @@ type Oracle struct {
 	lastHead  common.Hash
 	lastPrice *big.Int
 	maxPrice  *big.Int
+	minPrice  *big.Int
 	cacheLock sync.RWMutex
 	fetchLock sync.Mutex
 
@@ -83,10 +86,16 @@ func NewOracle(backend OracleBackend, params Config) *Oracle {
 		maxPrice = DefaultMaxPrice
 		log.Warn("Sanitizing invalid gasprice oracle price cap", "provided", params.MaxPrice, "updated", maxPrice)
 	}
+	minPrice := params.MinPrice
+	if minPrice == nil || minPrice.Int64() <= 0 {
+		minPrice = DefaultMinPrice
+		log.Warn("Sanitizing invalid gasprice oracle price floor", "provided", params.MinPrice, "updated", minPrice)
+	}
 	return &Oracle{
 		backend:     backend,
 		lastPrice:   params.Default,
 		maxPrice:    maxPrice,
+		minPrice:    minPrice,
 		checkBlocks: blocks,
 		percentile:  percent,
 	}
@@ -161,6 +170,11 @@ func (gpo *Oracle) SuggestPrice(ctx context.Context) (*big.Int, error) {
 	if price.Cmp(gpo.maxPrice) > 0 {
 		price = new(big.Int).Set(gpo.maxPrice)
 	}
+
+	if price.Cmp(gpo.minPrice) < 0 {
+		price = new(big.Int).Set(gpo.minPrice)
+	}
+
 	gpo.cacheLock.Lock()
 	gpo.lastHead = headHash
 	gpo.lastPrice = price

params/version.go

@@ -23,7 +23,7 @@ import (
 const (
 	VersionMajor = 1      // Major version component of the current release
 	VersionMinor = 2      // Minor version component of the current release
-	VersionPatch = 0      // Patch version component of the current release
+	VersionPatch = 1      // Patch version component of the current release
 	VersionMeta  = "stable" // Version metadata to append to the version string
 )