@hashgraphonline/hedera-agent-kit/src/langchain/tools/scs/delete-contract-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 { DeleteContractParams } from '../../../types';
import {
  BaseHederaTransactionTool,
  BaseHederaTransactionToolParams,
} from '../common/base-hedera-transaction-tool';
import { BaseServiceBuilder } from '../../../builders/base-service-builder';
import { ScsBuilder } from '../../../builders/scs/scs-builder';

const DeleteContractZodSchemaCore = z.object({
  contractId: z
    .string()
    .describe('The ID of the contract to delete (e.g., "0.0.xxxx").'),
  transferAccountId: z
    .string()
    .optional()
    .describe(
      'Optional. Account ID to transfer balance to. Builder validates if needed.'
    ),
  transferContractId: z
    .string()
    .optional()
    .describe(
      'Optional. Contract ID to transfer balance to. Builder validates if needed.'
    ),
});

export class HederaDeleteContractTool extends BaseHederaTransactionTool<
  typeof DeleteContractZodSchemaCore
> {
  name = 'hedera-scs-delete-contract';
  description =
    'Deletes a smart contract. Optionally specify a transfer target for any remaining balance.';
  specificInputSchema = DeleteContractZodSchemaCore;
  namespace = 'scs';

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

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

  protected async callBuilderMethod(
    builder: BaseServiceBuilder,
    specificArgs: z.infer<typeof DeleteContractZodSchemaCore>
  ): Promise<void> {
    await (builder as ScsBuilder).deleteContract(
      specificArgs as unknown as DeleteContractParams
    );
  }
}