Module username 

API handlers for the username system.

• GET /username?wallet=0x... — lookup username by wallet
• GET /username?username=alice — reverse lookup wallet by username
• POST /username — set username (authenticated)
• DELETE /username — delete username (authenticated)

Structs

DeleteUsernameResponse

SetUsernameRequest

UsernameQuery

UsernameResponse

Functions

delete_username

Delete the display username for the authenticated wallet.

get_username

Lookup username by wallet or reverse-lookup wallet by username.

set_username

Set the display username for the authenticated wallet.