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