;; DEX Adapter Contract
;; Implements the dex-integration-trait and provides DEX functionality for the DAO
;; Import traits
(use-trait dao-trait 'ST1PQHQKV0RJXZFY1DGX8MNSNYVE3VGZJSRTPGZGM.dao-trait.dao-trait;);(use-trait ft-trait 'SP3FBR2AGK5H9QBDH3EEN6DF8EK8JY7RX8QJ5SVTE.sip-010-trait-ft-standard.sip-010-trait;)
;; Implement DEX integration trait
(impl-trait 'ST1PQHQKV0RJXZFY1DGX8MNSNYVE3VGZJSRTPGZGM.dex-integration-trait.dex-integration-trait;)
;; Bitcoin-style tokenomics constants
(define-constant TOTAL_SUPPLY u21000000000;) ;; 21 billion tokens
(define-constant INITIAL_BLOCK_REWARD u5000;) ;; 5,000 tokens per block
(define-constant HALVING_INTERVAL u210000;) ;; Halving every 210,000 blocks
(define-constant DEX_ALLOCATION_PERCENTAGE u30;) ;; 30% to DEX
(define-constant TEAM_ALLOCATION_PERCENTAGE u15;) ;; 15% to team
(define-constant DAO_ALLOCATION_PERCENTAGE u55;) ;; 55% to DAO/community
;; Error codes
(define-constant ERR_UNAUTHORIZED u1001;);
(define-constant ERR_INSUFFICIENT_LIQUIDITY u1002;);(define-constant ERR_INSUFFICIENT_BALANCE u1003;);
(define-constant ERR_ZERO_AMOUNT u1004;);(define-constant ERR_SLIPPAGE_TOO_HIGH u1005;);
(define-constant ERR_INVALID_PARAMETER u1006;);(define-constant ERR_NOT_INITIALIZED u1007;);
(define-constant ERR_ALREADY_INITIALIZED u1008;)
;; Constants
(define-constant FEE_DENOMINATOR u10000;);
(define-constant DEFAULT_FEE_PERCENTAGE u30;) ;; 0.3%
(define-constant MIN_LIQUIDITY u1000;) ;; Minimum liquidity to prevent division by zero
(define-constant PRICE_PRECISION u1000000;) ;; 6 decimal places for price precision
;; Data variables
(define-data-var dao-contract principal 'ST1PQHQKV0RJXZFY1DGX8MNSNYVE3VGZJSRTPGZGM.dao;);
(define-data-var token-contract principal 'ST1PQHQKV0RJXZFY1DGX8MNSNYVE3VGZJSRTPGZGM.governance_token;);(define-data-var stx-reserve uint u0;);
(define-data-var token-reserve uint u0;);(define-data-var liquidity-tokens uint u0;);
(define-data-var fee-percentage uint DEFAULT_FEE_PERCENTAGE;);(define-data-var is-initialized bool false;);
(define-data-var owner principal tx-sender;)
;; Trading statistics
(define-data-var volume-24h uint u0;);
(define-data-var trades-count uint u0;);(define-data-var last-trade-block uint u0;);
(define-data-var last-price uint u0;)
;; Maps
(define-map liquidity-providers principal uint;);
(define-map administrators principal bool;)
;; Initialize administrators
(map-set administrators tx-sender true;)
;; Authorization check
(define-private (is-authorized (caller principal;););
(default-to false (map-get? administrators caller;););)
;; Initialize the DEX
(define-public (initialize (dao principal;); (token principal;);); (begin
(asserts! (is-authorized tx-sender;) (err ERR_UNAUTHORIZED;);); (asserts! (not (var-get is-initialized;);) (err ERR_ALREADY_INITIALIZED;);)
; (var-set dao-contract dao;); (var-set token-contract token;); (var-set is-initialized true;)
; (ok true;)
;)
;)
;; Provide liquidity to the DEX
(define-public (provide-liquidity (stx-amount uint;); (token-amount uint;);); (let (
(caller tx-sender;); (token-contract-principal (var-get token-contract;);); (current-stx-reserve (var-get stx-reserve;);); (current-token-reserve (var-get token-reserve;);); (current-liquidity-tokens (var-get liquidity-tokens;);); (liquidity-minted uint;)
;)
;; Validate inputs
(asserts! (> stx-amount u0;) (err ERR_ZERO_AMOUNT;);); (asserts! (> token-amount u0;) (err ERR_ZERO_AMOUNT;);); (asserts! (var-get is-initialized;) (err ERR_NOT_INITIALIZED;);)
;; Calculate liquidity tokens to mint
(if (is-eq current-liquidity-tokens u0;)
;; First liquidity provider
(begin
(asserts! (>= stx-amount MIN_LIQUIDITY;) (err ERR_INSUFFICIENT_LIQUIDITY;);); (asserts! (>= token-amount MIN_LIQUIDITY;) (err ERR_INSUFFICIENT_LIQUIDITY;);); (set liquidity-minted (sqrti (* stx-amount token-amount;););)
;)
;; Subsequent liquidity providers
(begin
(asserts! (and (> current-stx-reserve u0;) (> current-token-reserve u0;);) (err ERR_INSUFFICIENT_LIQUIDITY;);)
;; Calculate based on the ratio of existing reserves
(set liquidity-minted (min
(/ (* stx-amount current-liquidity-tokens;) current-stx-reserve;); (/ (* token-amount current-liquidity-tokens;) current-token-reserve;)
;););)
;)
;; Ensure minimum liquidity
(asserts! (> liquidity-minted u0;) (err ERR_INSUFFICIENT_LIQUIDITY;);)
;; Transfer STX from caller
(unwrap! (stx-transfer? stx-amount caller (as-contract tx-sender;);) (err ERR_INSUFFICIENT_BALANCE;);)
;; Transfer tokens from caller
(unwrap! (contract-call? token-contract-principal transfer token-amount caller (as-contract tx-sender;) none;) (err ERR_INSUFFICIENT_BALANCE;);)
;; Update reserves
(var-set stx-reserve (+ current-stx-reserve stx-amount;);); (var-set token-reserve (+ current-token-reserve token-amount;);); (var-set liquidity-tokens (+ current-liquidity-tokens liquidity-minted;);)
;; Update liquidity provider's balance
(map-set liquidity-providers caller (+ (default-to u0 (map-get? liquidity-providers caller;);) liquidity-minted;);)
; (ok true;)
;)
;)
;; Remove liquidity from the DEX
(define-public (remove-liquidity (liquidity-amount uint;););
(let (
(caller tx-sender;); (token-contract-principal (var-get token-contract;);); (current-stx-reserve (var-get stx-reserve;);); (current-token-reserve (var-get token-reserve;);); (current-liquidity-tokens (var-get liquidity-tokens;);); (provider-liquidity (default-to u0 (map-get? liquidity-providers caller;););); (stx-amount (/ (* liquidity-amount current-stx-reserve;) current-liquidity-tokens;);); (token-amount (/ (* liquidity-amount current-token-reserve;) current-liquidity-tokens;););)
;; Validate inputs
(asserts! (> liquidity-amount u0;) (err ERR_ZERO_AMOUNT;);); (asserts! (var-get is-initialized;) (err ERR_NOT_INITIALIZED;);); (asserts! (>= provider-liquidity liquidity-amount;) (err ERR_INSUFFICIENT_BALANCE;);)
;; Update liquidity provider's balance
(map-set liquidity-providers caller (- provider-liquidity liquidity-amount;);)
;; Update reserves
(var-set stx-reserve (- current-stx-reserve stx-amount;);); (var-set token-reserve (- current-token-reserve token-amount;);); (var-set liquidity-tokens (- current-liquidity-tokens liquidity-amount;);)
;; Transfer STX to caller
(as-contract (unwrap! (stx-transfer? stx-amount tx-sender caller;) (err u500;););)
;; Transfer tokens to caller
(as-contract (unwrap! (contract-call? token-contract-principal transfer token-amount tx-sender caller none;) (err u501;););)
; (ok { stx-amount: stx-amount, token-amount: token-amount };)
;)
;)
;; Swap tokens for STX
(define-public (swap-tokens-for-stx (token-amount uint;););
(let (
(caller tx-sender;); (token-contract-principal (var-get token-contract;);); (current-stx-reserve (var-get stx-reserve;);); (current-token-reserve (var-get token-reserve;);); (fee-rate (var-get fee-percentage;);); (token-amount-with-fee (* token-amount (- FEE_DENOMINATOR fee-rate;););); (stx-output (/ (* current-stx-reserve token-amount-with-fee;) (+ (* current-token-reserve FEE_DENOMINATOR;) token-amount-with-fee;););)
;)
;; Validate inputs
(asserts! (> token-amount u0;) (err ERR_ZERO_AMOUNT;);); (asserts! (var-get is-initialized;) (err ERR_NOT_INITIALIZED;);); (asserts! (and (> current-stx-reserve u0;) (> current-token-reserve u0;);) (err ERR_INSUFFICIENT_LIQUIDITY;);); (asserts! (> stx-output u0;) (err ERR_INSUFFICIENT_LIQUIDITY;);)
;; Transfer tokens from caller
(unwrap! (contract-call? token-contract-principal transfer token-amount caller (as-contract tx-sender;) none;) (err ERR_INSUFFICIENT_BALANCE;);)
;; Update reserves
(var-set stx-reserve (- current-stx-reserve stx-output;);); (var-set token-reserve (+ current-token-reserve token-amount;);)
;; Transfer STX to caller
(as-contract (unwrap! (stx-transfer? stx-output tx-sender caller;) (err u500;););)
;; Update trading statistics
(update-trading-stats stx-output;)
; (ok stx-output;)
;)
;)
;; Swap STX for tokens
(define-public (swap-stx-for-tokens (stx-amount uint;););
(let (
(caller tx-sender;); (token-contract-principal (var-get token-contract;);); (current-stx-reserve (var-get stx-reserve;);); (current-token-reserve (var-get token-reserve;);); (fee-rate (var-get fee-percentage;);); (stx-amount-with-fee (* stx-amount (- FEE_DENOMINATOR fee-rate;););); (token-output (/ (* current-token-reserve stx-amount-with-fee;) (+ (* current-stx-reserve FEE_DENOMINATOR;) stx-amount-with-fee;););)
;)
;; Validate inputs
(asserts! (> stx-amount u0;) (err ERR_ZERO_AMOUNT;);); (asserts! (var-get is-initialized;) (err ERR_NOT_INITIALIZED;);); (asserts! (and (> current-stx-reserve u0;) (> current-token-reserve u0;);) (err ERR_INSUFFICIENT_LIQUIDITY;);); (asserts! (> token-output u0;) (err ERR_INSUFFICIENT_LIQUIDITY;);)
;; Transfer STX from caller
(unwrap! (stx-transfer? stx-amount caller (as-contract tx-sender;);) (err ERR_INSUFFICIENT_BALANCE;);)
;; Update reserves
(var-set stx-reserve (+ current-stx-reserve stx-amount;);); (var-set token-reserve (- current-token-reserve token-output;);)
;; Transfer tokens to caller
(as-contract (unwrap! (contract-call? token-contract-principal transfer token-output tx-sender caller none;) (err u501;););)
;; Update trading statistics
(update-trading-stats stx-amount;)
; (ok token-output;)
;)
;)
;; Update trading statistics
(define-private (update-trading-stats (amount uint;););
(begin
;; Update volume
(var-set volume-24h (+ (var-get volume-24h;) amount;);)
;; Update trades count
(var-set trades-count (+ (var-get trades-count;) u1;);)
;; Update last trade block
(var-set last-trade-block block-height;)
;; Update last price
(var-set last-price (get-current-price;);)
;; Reset 24h volume if more than 144 blocks (~1 day;) have passed
(if (> (- block-height (var-get last-trade-block;);) u144;); (var-set volume-24h amount;)
true;)
;)
;)
;; Get current token price in STX (with precision;);(define-private (get-current-price;);
(let (
(current-stx-reserve (var-get stx-reserve;);); (current-token-reserve (var-get token-reserve;););); (if (and (> current-stx-reserve u0;) (> current-token-reserve u0;);); (/ (* current-stx-reserve PRICE_PRECISION;) current-token-reserve;)
u0;)
;)
;)
;; Get token price (public function;);(define-read-only (get-token-price;);
(ok (get-current-price;););)
;; Get liquidity info
(define-read-only (get-liquidity-info;);
(ok {
stx-reserve: (var-get stx-reserve;),
token-reserve: (var-get token-reserve;),
liquidity-tokens: (var-get liquidity-tokens;)
};)
;)
;; Update fee percentage
(define-public (update-fee-percentage (new-fee-percentage uint;););
(begin
(asserts! (is-authorized tx-sender;) (err ERR_UNAUTHORIZED;);); (asserts! (<= new-fee-percentage u1000;) (err ERR_INVALID_PARAMETER;);) ;; Max 10%
(var-set fee-percentage new-fee-percentage;); (ok true;)
;)
;)
;; Get fee percentage
(define-read-only (get-fee-percentage;);
(ok (var-get fee-percentage;););)
;; Set DAO contract
(define-public (set-dao-contract (new-dao-contract principal;););
(begin
(asserts! (is-authorized tx-sender;) (err ERR_UNAUTHORIZED;);); (var-set dao-contract new-dao-contract;); (ok true;)
;)
;)
;; Execute DAO instruction
(define-public (execute-dao-instruction (instruction (string-ascii 20;);); (params (list 10 {key: (string-ascii 64;), value: (optional uint;)};););); (begin
(asserts! (is-eq tx-sender (var-get dao-contract;);) (err ERR_UNAUTHORIZED;);)
;; Execute instruction based on the instruction type
(match instruction
"BUYBACK" (execute-buyback params;)
"ADD_LIQUIDITY" (execute-add-liquidity params;)
"REMOVE_LIQUIDITY" (execute-remove-liquidity params;); (err ERR_INVALID_PARAMETER;)
;)
;)
;)
;; Execute buyback instruction
(define-private (execute-buyback (params (list 10 {key: (string-ascii 64;), value: (optional uint;)};);););
(let (
(amount (get-param-value params "amount";););); (if (is-some amount;); (swap-stx-for-tokens (unwrap-panic amount;);); (err ERR_INVALID_PARAMETER;)
;)
;)
;)
;; Execute add liquidity instruction
(define-private (execute-add-liquidity (params (list 10 {key: (string-ascii 64;), value: (optional uint;)};);););
(let (
(stx-amount (get-param-value params "stx_amount";);); (token-amount (get-param-value params "token_amount";););); (if (and (is-some stx-amount;) (is-some token-amount;);); (provide-liquidity (unwrap-panic stx-amount;) (unwrap-panic token-amount;);); (err ERR_INVALID_PARAMETER;)
;)
;)
;)
;; Execute remove liquidity instruction
(define-private (execute-remove-liquidity (params (list 10 {key: (string-ascii 64;), value: (optional uint;)};);););
(let (
(amount (get-param-value params "amount";););); (if (is-some amount;); (remove-liquidity (unwrap-panic amount;);); (err ERR_INVALID_PARAMETER;)
;)
;)
;)
;; Helper function to get parameter value
(define-private (get-param-value (params (list 10 {key: (string-ascii 64;), value: (optional uint;)};);); (key-to-find (string-ascii 64;););); (let (
(param (unwrap! (element-at (filter find-by-key params;) u0;) none;););); (get value param;)
;)
;)
;; Helper function to filter by key
(define-private (find-by-key (param {key: (string-ascii 64;), value: (optional uint;)};););
(is-eq (get key param;) key-to-find;)
;)
;; Get 24-hour volume
(define-read-only (get-volume-24h;);
(ok (var-get volume-24h;););)
;; Get trades count
(define-read-only (get-trades-count;);
(ok (var-get trades-count;););)
;; Get price impact for a given amount
(define-read-only (get-price-impact (amount uint;););
(let (
(current-stx-reserve (var-get stx-reserve;);); (current-token-reserve (var-get token-reserve;);); (current-price (get-current-price;);); (new-stx-reserve (+ current-stx-reserve amount;);); (new-token-reserve (/ (* current-stx-reserve current-token-reserve;) new-stx-reserve;);); (new-price (/ (* new-stx-reserve PRICE_PRECISION;) new-token-reserve;);); (price-impact (if (> current-price u0;); (/ (* (- new-price current-price;) PRICE_PRECISION;) current-price;)
u0;););); (ok price-impact;)
;)
;)
;; Square root function (Babylonian method;);(define-private (sqrti (n uint;););
(let (
(x (/ (+ n u1;) u2;);); (y n;)
;); (sqrti-iter x y;)
;)
;)
;; Square root iteration
(define-private (sqrti-iter (x uint;); (y uint;);); (if (>= x y;); (if (is-eq (- x y;) u0;)
x
(sqrti-iter (/ (+ x (/ y x;);) u2;) y;)
;); (sqrti-iter (/ (+ x (/ y x;);) u2;) x;)
;)
;)
;; Add an administrator
(define-public (add-administrator (new-admin principal;););
(begin
(asserts! (is-authorized tx-sender;) (err ERR_UNAUTHORIZED;);); (map-set administrators new-admin true;); (ok true;)
;)
;)
;; Remove an administrator
(define-public (remove-administrator (admin principal;););
(begin
(asserts! (is-authorized tx-sender;) (err ERR_UNAUTHORIZED;);); (map-set administrators admin false;); (ok true;)
;)
;)