Flow Wallet Kit - iOS TODO List

[lmcmz]

🗂️ TODO Breakdown

1. 🔐 Storage Protocol

• Implement a storage protocol for securely handling keys and other sensitive data.
• Support secure storage backends (e.g., Keychain, Secure Enclave, in-memory).

---

2. 🔑 Key Protocol

• Implement a key protocol to support multiple types of private keys.
• Implement the following key providers:
  • Secure Element Key Provider
  • Private Key Provider
  • Seed Phrase Key Provider

---

3. 👛 Wallet

• Define and support three wallet types:
  • Watch Wallet: initialized with an address only.
  • Key Wallet: initialized with a private key or seed phrase.
  • Proxy Wallet: backed by external devices like Ledger or Passkey.
• On initialization (Key Wallet), lookup all related on-chain accounts using a key indexer API.
• Support multiple accounts per wallet across different networks.

---

4. 🧾 Account

• Implement support for Cadence accounts on the Flow blockchain.
• Support multiple public keys linked to a wallet's signing keys.
• Accounts should act as transaction signers.
• Accounts should be able to fetch and manage:
  • VM accounts (currently EVM only)
  • Child accounts

---

5. 🧬 Multi-VM Account

• Fetch and manage VM accounts associated with the main account.
• Currently only EVM (COA) is supported.
• Design should support additional VM types in the future.

---

6. 👶 Child Account

• Fetch all child accounts linked to a main Flow account.
• Retrieve permissions related to FT and NFT access for each child account.

---

7. 💰 Token Balance

• Query FT/NFT balances for:
  • Flow accounts
  • Flow-EVM accounts
• Handle mixed address token balance queries across both environments.

---

8. 📦 Backup

• Support multiple backup types:
  • Device backup
  • Seed phrase backup
• Implement a backup protocol.
• Add support for cloud backup providers:
  • Google Drive
  • iCloud
  • Dropbox

---

9. 🌐 FCL & WalletConnect Support

• Support in-app browser injection for:
  • Flow
  • Flow-EVM
• Handle WalletConnect requests for:
  • Flow
  • Flow-EVM