dist_agent_lang 1.0.24

Agentic programming with library and CLI support for Off/On-chain network integration
Documentation 
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// Solidity ABI Integration Example
// Shows how to use chain::call for Solidity contract interaction
// ABI parsing and type safety are available via add_sol (Rust stdlib)

@trust("hybrid")
@chain("ethereum")
service SolidityABIIntegration {
    // Uniswap V2 Router on Ethereum mainnet
    uniswap_router: string = "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D";
    chain_id: int = 1;

    fn initialize() {
        log::info("integration", "Uniswap contract ready at " + self.uniswap_router);
    }

    // Swap tokens via chain::call (mirrors swapExactTokensForTokens ABI)
    fn swap_tokens_type_safe(
        amount_in: int,
        amount_out_min: int,
        path: list<string>,
        to: string,
        deadline: int
    ) -> string {
        // Build args map for chain::call
        let path_str = "0x1111111111111111111111111111111111111111,0x2222222222222222222222222222222222222222";
        let result = chain::call(
            self.chain_id,
            self.uniswap_router,
            "swapExactTokensForTokens",
            {
                "amountIn": to_string(amount_in),
                "amountOutMin": to_string(amount_out_min),
                "path": path_str,
                "to": to,
                "deadline": to_string(deadline)
            }
        );
        return result;
    }

    // Get quote (mirrors getAmountsOut ABI)
    fn get_quote_type_safe(
        amount_in: int,
        path: list<string>
    ) -> string {
        let path_str = "0x1111111111111111111111111111111111111111,0x2222222222222222222222222222222222222222";
        let result = chain::call(
            self.chain_id,
            self.uniswap_router,
            "getAmountsOut",
            {
                "amountIn": to_string(amount_in),
                "path": path_str
            }
        );
        return result;
    }

    fn setup_swap_listener() {
        log::info("integration", "Swap event listener would register here (add_sol::listen_to_event)");
    }

    fn handle_swap_event(event_data: map<string, string>) {
        log::info("swap_event", "Swap detected");
        if (event_data["sender"] != "") {
            log::info("swap_event", "  Sender: " + event_data["sender"]);
        }
        if (event_data["amount0In"] != "") {
            log::info("swap_event", "  Amount0In: " + event_data["amount0In"]);
        }
        if (event_data["amount1Out"] != "") {
            log::info("swap_event", "  Amount1Out: " + event_data["amount1Out"]);
        }
        if (event_data["to"] != "") {
            log::info("swap_event", "  To: " + event_data["to"]);
        }
    }

    fn parse_swap_result(result: string) -> list<int> {
        return [1000000, 950000];
    }

    fn parse_amounts_result(result: string) -> list<int> {
        return [1000000, 950000];
    }
}

// Auto-generated wrapper example - uses chain::call directly
@trust("hybrid")
service UniswapRouterWrapper {
    contract_address: string = "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D";
    chain_id: int = 1;

    fn swapExactTokensForTokens(
        amountIn: int,
        amountOutMin: int,
        path: list<string>,
        to: string,
        deadline: int
    ) -> string {
        let path_str = "0x1111111111111111111111111111111111111111,0x2222222222222222222222222222222222222222";
        return chain::call(
            self.chain_id,
            self.contract_address,
            "swapExactTokensForTokens",
            {
                "amountIn": to_string(amountIn),
                "amountOutMin": to_string(amountOutMin),
                "path": path_str,
                "to": to,
                "deadline": to_string(deadline)
            }
        );
    }

    fn getAmountsOut(
        amountIn: int,
        path: list<string>
    ) -> string {
        let path_str = "0x1111111111111111111111111111111111111111,0x2222222222222222222222222222222222222222";
        return chain::call(
            self.chain_id,
            self.contract_address,
            "getAmountsOut",
            {
                "amountIn": to_string(amountIn),
                "path": path_str
            }
        );
    }
}