;; Title: Portfolio Optimizer/Rebalancer
;; Description: Rebalances a set of SIP-010 tokens based on target weights.
(use-trait t-sip010 'SP3FBR2AGK5H9QBDH3EEN6DF8EK8JY7RX8QJ5SVTE.sip-010-trait-ft-standard.sip-010-trait)
;; Constants
(define-constant ERR-NOT-AUTHORIZED (err u100))
(define-constant CONTRACT-OWNER tx-sender)
;; Data Maps
(define-map target-weights principal uint)
;; Public Functions
(define-public (set-weight (token principal) (weight uint))
(begin
(asserts! (is-eq tx-sender CONTRACT-OWNER) ERR-NOT-AUTHORIZED)
(ok (map-set target-weights token weight))
)
)
(define-public (rebalance (token-a <t-sip010>) (token-b <t-sip010>) (amount uint))
(begin
;; Logic to swap token-a for token-b using an external DEX trait (e.g. Alex or Arkadiko)
;; This is a skeleton showing where the rebalancing logic would sit.
(ok true)
)
)
;; Read-only weight checker
(define-read-only (get-weight (token principal))
(default-to u0 (map-get? target-weights token))
)