add fork config tool: 用配置文件格式 打印fork

Makefile

@@ -25,6 +25,7 @@ default: depends build
 build: depends
 	go build $(BUILD_FLAGS) -v -i -o $(APP)
 	go build $(BUILD_FLAGS) -v -i -o $(CLI) $(SRC_CLI)
+	go build $(BUILD_FLAGS) -v -i -o build/fork-config github.com/33cn/plugin/cli/fork_config/
 	@cp chain33.toml  $(CHAIN33_PATH)/build/system-test-rpc.sh build/
 	@cp chain33.para.toml build/ci/paracross/
 

cli/fork_config/main.go

+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"sort"
+	"strings"
+
+	_ "github.com/33cn/chain33/system"
+	"github.com/33cn/chain33/types"
+	_ "github.com/33cn/plugin/plugin"
+)
+
+var (
+	configPath = flag.String("f", "", "configfile")
+)
+
+func main() {
+	flag.Parse()
+	if *configPath == "" {
+		*configPath = "chain33.toml"
+	}
+	cfg, _ := types.InitCfg(*configPath)
+	types.Init(cfg.Title, cfg)
+	forks, err := types.CloneFork("chain33")
+	if err != nil {
+		fmt.Printf("clone fork failed: %v", err)
+		return
+	}
+
+	fmtForks(forks)
+}
+
+/*
+	两个规则：
+	key 有 ".", Part1.Part2 为 [fork.sub.Part1] Part2=value
+	key 没有 "." [fork.system] key=value
+	把相同段的fork打印到一起
+		[fork.system]
+		ForkChainParamV1= 0  # ForkBlockCheck=1560000
+
+		[fork.sub.ticket]
+		Enable=0  # manage.ForkManageExec=400000
+
+		[fork.sub.store-kvmvccmavl]
+		ForkKvmvccmavl=2270000 # store-kvmvccmavl.ForkKvmvccmavl=1870000
+*/
+func fmtForks(forks map[string]int64) {
+	systemFork := make(map[string]int64)
+	subFork := make(map[string]map[string]int64)
+	for k, v := range forks {
+		if strings.Contains(k, ".") {
+			str2 := strings.SplitN(k, ".", 2)
+			if len(str2) != 2 {
+				fmt.Fprintf(os.Stderr, "can't deal key=%s ", k)
+				continue
+			}
+			_, ok := subFork[str2[0]]
+			if !ok {
+				subFork[str2[0]] = make(map[string]int64)
+			}
+			subFork[str2[0]][str2[1]] = v
+		} else {
+			systemFork[k] = v
+		}
+
+	}
+
+	fmt.Println("[fork.system]")
+	for k, v := range systemFork {
+		fmt.Printf("%s=%d\n", k, v)
+	}
+	fmt.Println("")
+
+	plugins := make([]string, 0)
+	for plugin := range subFork {
+		plugins = append(plugins, plugin)
+	}
+	sort.Strings(plugins)
+
+	for _, plugin := range plugins {
+		fmt.Printf("[fork.sub.%s]\n", plugin)
+		forks := subFork[plugin]
+		for k, v := range forks {
+			fmt.Printf("%s=%d\n", k, v)
+		}
+		fmt.Println("")
+	}
+
+}