Transaction structure changes

Gopkg.toml

@@ -65,3 +65,11 @@
 [[constraint]]
   branch = "master"
   name = "golang.org/x/crypto"
+
+[[constraint]]
+  name = "github.com/spf13/cobra"
+  version = "0.0.5"
+
+[[constraint]]
+  branch = "master"
+  name = "github.com/tyler-smith/go-bip39"

cmd/account/account.go

@@ -0,0 +1,41 @@
+package account
+
+import (
+	"encoding/hex"
+
+	"github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"github.com/tyler-smith/go-bip39"
+	"github.com/zoobc/zoobc-core/common/util"
+)
+
+func GenerateAccount(logger *logrus.Logger) *cobra.Command {
+	var accountCmd = &cobra.Command{
+		Use:   "account",
+		Short: "account is a developer cli tools to generate account.",
+		Long: `account is a developer cli tools to generate account.
+running 'zoobc account generate' will show create an account detail with its public key and
+private key both in bytes and hex representation + the secret phrase
+		`,
+		Args: cobra.MinimumNArgs(1),
+		Run: func(cmd *cobra.Command, args []string) {
+			if args[0] == "generate" {
+				entropy, _ := bip39.NewEntropy(128)
+				seed, _ := bip39.NewMnemonic(entropy)
+				privateKey, _ := util.GetPrivateKeyFromSeed(seed)
+				publicKey := privateKey[32:]
+				address, _ := util.GetAddressFromPublicKey(publicKey)
+				logger.Infof("seed: %s", seed)
+				logger.Infof("public key hex: %s", hex.EncodeToString(publicKey))
+				logger.Infof("public key bytes: %v", publicKey)
+				logger.Infof("private key bytes: %v", privateKey)
+				logger.Infof("private key hex: %v", hex.EncodeToString(privateKey))
+				logger.Infof("address: %s", address)
+
+			} else {
+				logger.Error("unknown command")
+			}
+		},
+	}
+	return accountCmd
+}

cmd/main.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"github.com/spf13/cobra"
+	"github.com/zoobc/zoobc-core/cmd/account"
+	"github.com/zoobc/zoobc-core/common/util"
+)
+
+func main() {
+	var rootCmd = &cobra.Command{Use: "zoobc"}
+	logger, _ := util.InitLogger(".log/", "debug.log")
+	rootCmd.AddCommand(account.GenerateAccount(logger))
+	_ = rootCmd.Execute()
+}

cmd/readme.md

@@ -0,0 +1,18 @@
+### Zoobc - CMD
+
+Command line interface to as a utility tools to develop the zoobc system.
+
+### Structure
+
+- main.go -> register all command
+- package
+    - specific.go
+    - ...
+- readme.md
+
+
+### Run
+
+- `go run main.go {command} {subcommand}`
+
+- example: `go run main.go account generate` will generate account to use.

common/database/migration.go

@@ -49,7 +49,7 @@ func (m *Migration) Init(qe *query.Executor) error {
 			);`,
 			`
 			CREATE TABLE IF NOT EXISTS "transaction" (
-				"id"	BLOB,
+				"id"	INTEGER,
 				"block_id"	INTEGER,
 				"block_height"	INTEGER,
 				"sender_account_id"	BLOB,