User should able to link account by scan unfunded public QR

[katopz]

1. User scan unfunded public QR w.catcat.io/{account_id}.
2. Server show redirect link with line://oaMessage/{LINE_id}/?{account_id} (more provider will show later).
3. User get redirect to LINE app with account_id preset and click send.
4. Bots take account_id message as Stellar public key and return balance.

Bots :

Hold on, getting account information...

Bots :

Account seem to be empty, deposit?

Recheck Deposit

User : Deposit
Bot :

Please scan private QR w.catcat.io/{pub_pri_hash}

---

Server :

• Confirm with distributor account
• Make base reserved payment (50% from paid)
• Add CAT trust
• pay CAT (50% from paid)

---

Bot :

Deposit succeeded!
XLM : 50
CAT : 50

---

Bot :

Do you want to link this account with LINE?

No Yes

User : (Choose Yes)

link GDLHYFGZMGFURJKGOWRE5OJZ4GX54OG5N2PQQANSBYUYRNPBDAZINCAT

Server :

• Add account_id to users.wallets.xlm.account_id = ``

Bot :

Please scan private QR w.catcat.io/{pub_pri_hash}

User : (Scan private QR)
Server :

• Update account_id to users.wallets.xlm.account_id = pub_pri_hash
  Bot :

Account GDLH...NCAT linked! 
XLM : 50
CAT : 50