@iqai/mcp-odos/dist/tools/get-quote.js

Mcp server for Odos access

import { fraxtal } from "viem/chains";
import { isAddress } from "viem/utils";
import { z } from "zod";
import { GetQuoteActionService } from "../services/get-quote.js";
import { WalletService } from "../services/wallet.js";
import { getChainFromName } from "../utils/get-chain.js";
const getQuoteParamsSchema = z.object({
    chain: z
        .string()
        .optional()
        .describe("The blockchain network to execute the transaction on. uses fraxtal as default")
        .default("fraxtal"),
    fromToken: z
        .string()
        .refine(isAddress, { message: "Invalid fromToken address" })
        .describe("The token to swap from (address)."),
    toToken: z
        .string()
        .refine(isAddress, { message: "Invalid toToken address" })
        .describe("The token to swap to (address)."),
    amount: z
        .string()
        .regex(/^\d+$/, { message: "Amount must be a string in wei (no decimals)" })
        .describe("The amount of tokens to swap, in wei."),
    prettyFormat: z
        .boolean()
        .optional()
        .describe("Whether to pretty format the quote.")
        .default(true),
});
export const getQuoteTool = {
    name: "ODOS_GET_QUOTE",
    description: "Get a quote for a swap or exchange operation",
    parameters: getQuoteParamsSchema,
    execute: async (args) => {
        try {
            const walletPrivateKey = process.env.WALLET_PRIVATE_KEY;
            if (!walletPrivateKey) {
                throw new Error("WALLET_PRIVATE_KEY is not set in the environment. This is required to execute trades.");
            }
            const inputChain = args.chain.toLowerCase();
            const chainObject = getChainFromName(inputChain);
            const walletService = new WalletService(walletPrivateKey, chainObject ?? fraxtal);
            console.log(`[ODOS_GET_QUOTE] Using chain: ${chainObject} (${chainObject.id})`);
            console.log(walletService.getWalletClient()?.account?.address ??
                "No wallet address found");
            const service = new GetQuoteActionService(walletService);
            const quote = await service.execute(args.fromToken, args.toToken, chainObject.id, args.amount);
            if (quote instanceof Error) {
                return `Error fetching quote: ${quote.message}`;
            }
            return args.prettyFormat
                ? service.format(quote)
                : JSON.stringify(quote, null, 2);
        }
        catch (error) {
            const message = error instanceof Error
                ? error.message
                : "An unknown error occurred while fetching quote.";
            console.error(`[ODOS_GET_QUOTE] Error: ${message}`);
            throw new Error(`Failed to fetch quote: ${message}`);
        }
    },
};
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