Contact List Feature

[git-union]

Contact List Feature

As a wallet user, I want to have a contact list feature so that I can save commonly used addresses and mitigate the risk of sending cryptocurrency to the wrong address by mistake.

Acceptance Criteria

• User can add a new address to the contact list.
• User can label the address with a name and optional description.
• User can edit the details (name, address, description) of a contact.
• User can remove an address from the contact list.
• User can select a contact as the recipient when creating a transaction.
• User receives a warning when sending crypto to an address not in the contact list.
• User can import and export the contact list for backup purposes.
• User can verify the address via a confirmation process before adding it to the contact list.

sequenceDiagram
  participant User as User
  participant Wallet as Wallet
  User->>Wallet: Selects 'Add Contact'
  Wallet->>User: Prompts for address details
  User->>Wallet: Enters address, label, and description
  Wallet->>User: Confirms and saves the contact

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