import { Tool } from "langchain/tools" /** * Tool to fetch the price of a token in USDC */ export class SolanaFetchPriceTool extends Tool { name = "solana_fetch_price" description = `Fetch the price of a given token in USDC. Inputs: - tokenId: string, the mint address of the token, e.g., "JUPyiwrYJFskUPiHa7hkeR8VUtAeFoSYbKedZNsDvCN"` constructor(solanaKit) { super() this.solanaKit = solanaKit } async _call(input) { try { const price = await this.solanaKit.fetchTokenPrice(input.trim()) return JSON.stringify({ status: "success", tokenId: input.trim(), priceInUSDC: price }) } catch (error) { return JSON.stringify({ status: "error", message: error.message, code: error.code || "UNKNOWN_ERROR" }) } } }