feat(transaction): #66 implement transactions

migration/002_account.up.sql

@@ -5,9 +5,9 @@ CREATE TABLE account (
 
 	name TEXT NOT NULL,
 
-	current_balance int64 NOT NULL,
+	current_balance INTEGER NOT NULL,
 	last_transaction DATETIME,
-	oink_balance int64 NOT NULL,
+	oink_balance INTEGER NOT NULL,
 
 	created_at DATETIME NOT NULL,
 	created_by TEXT NOT NULL,

migration/003_treasure_chest.up.sql

@@ -6,7 +6,7 @@ CREATE TABLE treasure_chest (
 
 	name TEXT NOT NULL,
 
-	current_balance int64 NOT NULL,
+	current_balance INTEGER NOT NULL,
 
 	created_at DATETIME NOT NULL,
 	created_by TEXT NOT NULL,

migration/004_transaction.up.sql

@@ -0,0 +1,17 @@
+
+CREATE TABLE "transaction" (
+	id TEXT NOT NULL UNIQUE PRIMARY KEY,
+	user_id TEXT NOT NULL,
+
+	timestamp DATETIME NOT NULL,
+	note TEXT NOT NULL,
+
+	account_id TEXT,
+	treasure_chest_id TEXT,
+	value INTEGER NOT NULL,
+
+	created_at DATETIME NOT NULL,
+	created_by TEXT NOT NULL,
+	updated_at DATETIME,
+	updated_by TEXT
+) WITHOUT ROWID;