@hashgraphonline/hedera-agent-kit/src/langchain/tools/hts/unpause-token-tool.ts

Build LLM-powered applications that interact with the Hedera Network. Create conversational agents that can understand user requests in natural language and execute Hedera transactions, or build backend systems that leverage AI for on-chain operations.

import { z } from 'zod';
import { UnpauseTokenParams } from '../../../types';
import {
  BaseHederaTransactionTool,
  BaseHederaTransactionToolParams,
} from '../common/base-hedera-transaction-tool';
import { BaseServiceBuilder } from '../../../builders/base-service-builder';
import { HtsBuilder } from '../../../builders/hts/hts-builder';

const UnpauseTokenZodSchemaCore = z.object({
  tokenId: z
    .string()
    .describe('The ID of the token to unpause (e.g., "0.0.xxxx").'),
});

export class HederaUnpauseTokenTool extends BaseHederaTransactionTool<
  typeof UnpauseTokenZodSchemaCore
> {
  name = 'hedera-hts-unpause-token';
  description =
    'Unpauses a token. Requires the tokenId. Use metaOptions for execution control.';
  specificInputSchema = UnpauseTokenZodSchemaCore;
  namespace = 'hts';

  constructor(params: BaseHederaTransactionToolParams) {
    super(params);
  }

  protected getServiceBuilder(): BaseServiceBuilder {
    return this.hederaKit.hts();
  }

  protected async callBuilderMethod(
    builder: BaseServiceBuilder,
    specificArgs: z.infer<typeof UnpauseTokenZodSchemaCore>
  ): Promise<void> {
    await (builder as HtsBuilder).unpauseToken(
      specificArgs as unknown as UnpauseTokenParams
    );
  }
}