;; title: blaze
;; author: rozar.btc
;; version: 1.0
;; contributors: @obycode, @LNow_
;; summary: Core SIP-018 verifier + replay-protection that underpins all blaze subnets.
;; Verifies secp256k1 signatures, prevents UUID re-use, and exposes signer principals
;; for token subnets, NFTs, and DeFi modules built atop this intent-based protocol.
(define-constant structured-data-prefix 0x534950303138)
(define-constant message-domain {name: "BLAZE_PROTOCOL", version: "v1.0", chain-id: chain-id})
(define-constant message-domain-hash (sha256 (unwrap-panic (to-consensus-buff? message-domain))))
(define-constant structured-data-header (concat structured-data-prefix message-domain-hash))
(define-constant ERR_INVALID_SIGNATURE (err u401000))
(define-constant ERR_CONSENSUS_BUFF (err u422000))
(define-constant ERR_UUID_SUBMITTED (err u409000))
(define-map submitted-uuids (string-ascii 36) bool)
;; (define-read-only (hash
;; (contract principal)
;; (intent (string-ascii 32))
;; (opcode (optional (buff 16)))
;; (amount (optional uint))
;; (target (optional principal))
;; (uuid (string-ascii 36))
;; )
;; (ok (sha256 (concat structured-data-header (sha256
;; (unwrap! (to-consensus-buff? {
;; contract: contract,
;; intent: intent,
;; opcode: opcode,
;; amount: amount,
;; target: target,
;; uuid: uuid
;; }) ERR_CONSENSUS_BUFF)
;; ))))
;; )
;; (define-public (execute
;; (signature (buff 65))
;; (intent (string-ascii 32))
;; (opcode (optional (buff 16)))
;; (amount (optional uint))
;; (target (optional principal))
;; (uuid (string-ascii 36))
;; )
;; (if (map-insert? submitted-uuids uuid true)
;; (verify (try! (hash contract-caller intent opcode amount target uuid)) signature)
;; ERR_UUID_SUBMITTED
;; )
;; )
;; (define-read-only (recover
;; (signature (buff 65))
;; (contract principal)
;; (intent (string-ascii 32))
;; (opcode (optional (buff 16)))
;; (amount (optional uint))
;; (target (optional principal))
;; (uuid (string-ascii 36))
;; )
;; (verify (try! (hash contract intent opcode amount target uuid)) signature)
;; )
;; (define-read-only (verify
;; (message (buff 32))
;; (signature (buff 65))
;; )
;; (match (secp256k1-recover? message signature)
;; public-key (principal-of? public-key)
;; error ERR_INVALID_SIGNATURE
;; )
;; )
;; (define-read-only (check (uuid (string-ascii 36)))
;; (is-some (map-get? submitted-uuids uuid))
;; )