45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
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import { PublicKey } from "@solana/web3.js"
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import { Tool } from "langchain/tools"
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export class SolanaBalanceOtherTool extends Tool {
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name = "solana_balance_other"
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description = `Get the balance of a Solana wallet or token account which is different from the agent's wallet.
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If no tokenAddress is provided, the SOL balance of the wallet will be returned.
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Inputs ( input is a JSON string ):
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walletAddress: string, eg "GDEkQF7UMr7RLv1KQKMtm8E2w3iafxJLtyXu3HVQZnME" (required)
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tokenAddress: string, eg "SENDdRQtYMWaQrBroBrJ2Q53fgVuq95CV9UPGEvpCxa" (optional)`
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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 { walletAddress, tokenAddress } = JSON.parse(input)
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const tokenPubKey = tokenAddress ? new PublicKey(tokenAddress) : undefined
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const balance = await this.solanaKit.getBalanceOther(
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new PublicKey(walletAddress),
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tokenPubKey
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)
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return JSON.stringify({
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status: "success",
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balance,
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wallet: walletAddress,
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token: tokenAddress || "SOL"
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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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