Allow genesis file

cmd/basecoin/main.go

@@ -1,7 +1,9 @@
 package main
 
 import (
+	"encoding/json"
 	"flag"
+	"fmt"
 
 	"github.com/tendermint/basecoin/app"
 	. "github.com/tendermint/go-common"
@@ -13,6 +15,7 @@ func main() {
 
 	addrPtr := flag.String("address", "tcp://0.0.0.0:46658", "Listen address")
 	eyesPtr := flag.String("eyes", "tcp://0.0.0.0:46659", "MerkleEyes address")
+	genFilePath := flag.String("genesis", "", "Genesis file, if any")
 	flag.Parse()
 
 	// Connect to MerkleEyes
@@ -24,6 +27,15 @@ func main() {
 	// Create Basecoin app
 	app := app.NewBasecoin(eyesCli)
 
+	// If genesis file was specified, set key-value options
+	if *genFilePath != "" {
+		kvz := loadGenesis(*genFilePath)
+		for _, kv := range kvz {
+			log := app.SetOption(kv.Key, kv.Value)
+			fmt.Println(Fmt("Set %v=%v. Log: %v", kv.Key, kv.Value, log))
+		}
+	}
+
 	// Start the listener
 	svr, err := server.NewServer(*addrPtr, app)
 	if err != nil {
@@ -37,3 +49,23 @@ func main() {
 	})
 
 }
+
+//----------------------------------------
+
+type KeyValue struct {
+	Key   string `json:"key"`
+	Value string `json:"value"`
+}
+
+func loadGenesis(filePath string) (kvz []KeyValue) {
+	bytes, err := ReadFile(filePath)
+	if err != nil {
+		Exit("loading genesis file: " + err.Error())
+	}
+	fmt.Println(">>", string(bytes))
+	err = json.Unmarshal(bytes, &kvz)
+	if err != nil {
+		Exit("parsing genesis file: " + err.Error())
+	}
+	return
+}