bring back unsafe_set_config

rpc/core/dev.go

@@ -1,12 +1,39 @@
 package core
 
 import (
+	"fmt"
 	"os"
 	"runtime/pprof"
+	"strconv"
 
 	ctypes "github.com/tendermint/tendermint/rpc/core/types"
 )
 
+func UnsafeSetConfig(typ, key, value string) (*ctypes.ResultUnsafeSetConfig, error) {
+	switch typ {
+	case "string":
+		config.Set(key, value)
+	case "int":
+		val, err := strconv.Atoi(value)
+		if err != nil {
+			return nil, fmt.Errorf("non-integer value found. key:%s; value:%s; err:%v", key, value, err)
+		}
+		config.Set(key, val)
+	case "bool":
+		switch value {
+		case "true":
+			config.Set(key, true)
+		case "false":
+			config.Set(key, false)
+		default:
+			return nil, fmt.Errorf("bool value must be true or false. got %s", value)
+		}
+	default:
+		return nil, fmt.Errorf("Unknown type %s", typ)
+	}
+	return &ctypes.ResultUnsafeSetConfig{}, nil
+}
+
 var profFile *os.File
 
 func UnsafeStartCPUProfiler(filename string) (*ctypes.ResultUnsafeProfile, error) {