try to fix this spaghetti of a code

lib/repository.js

@@ -47,7 +47,7 @@ async function createRepository(filename, {beforeCommit = async () => {}} = {})
             `);
             if (old) {
                 // Fails and rolls back rather than silently rounding or losing invalid balances.
-                await tx.exec('INSERT INTO users(username, password_hash, money) SELECT username, password_hash, money FROM legacy_users; DROP TABLE legacy_users;');
+                await tx.exec('INSERT INTO users(username, password_hash, money) SELECT username, password_hash, money FROM legacy_users; INSERT INTO ledger(command_id,username,delta,reason) SELECT 'schema-v1:' || username, username, money, 'Opening balance migration' FROM users; DROP TABLE legacy_users;');
             }
             await tx.exec('PRAGMA user_version = 1');
         });
@@ -58,7 +58,10 @@ async function createRepository(filename, {beforeCommit = async () => {}} = {})
         user: username => read(tx => tx.get('SELECT username, password_hash AS passwordHash, session_hash AS sessionHash, money FROM users WHERE username = ?', username)),
         users: () => read(tx => tx.all('SELECT username, money FROM users ORDER BY money DESC, username ASC')),
         async register(username, passwordHash, sessionHash) {
-            try { await transaction(tx => tx.run('INSERT INTO users(username,password_hash,session_hash) VALUES(?,?,?)', username, passwordHash, sessionHash)); }
+            try { await transaction(async tx => {
+                await tx.run('INSERT INTO users(username,password_hash,session_hash) VALUES(?,?,?)', username, passwordHash, sessionHash);
+                await tx.run('INSERT INTO ledger(command_id,username,delta,reason) VALUES(?,?,200,?)', `register:${username}`, username, 'Starting chips');
+            }); }
             catch (error) { if (error.code === 'SQLITE_CONSTRAINT') throw new AppError('USERNAME_EXISTS', 'Username already exists', 409); throw error; }
         },
         setSession: (username, sessionHash) => transaction(tx => tx.run('UPDATE users SET session_hash = ? WHERE username = ?', sessionHash, username)),