@hashgraphonline/conversational-agent/dist/esm/index48.js

Hashgraph Online conversational AI agent implementing HCS-10 communication, HCS-2 registries, and content inscription on Hedera. https://hol.org

import { BaseHederaQueryTool } from "hedera-agent-kit";
import { z } from "zod";
import { errorHasStatus, getBatchSummary, getResponseWithStructuredContent } from "./index62.js";
import { NOT_FOUND_STATUS, GATEWAY_STAMP_ERROR_MESSAGE } from "./index63.js";
const ListPostageStampsSchema = z.object({
  leastUsed: z.boolean().optional(),
  limit: z.number().optional(),
  minUsage: z.number().optional(),
  maxUsage: z.number().optional()
});
class ListPostageStampsTool extends BaseHederaQueryTool {
  constructor(params) {
    const { bee, config, ...rest } = params;
    super(rest);
    this.name = "swarm-list-postage-stamps";
    this.description = `
    List the available postage stamps.
    leastUsed: A boolean value that tells if stamps are sorted so least used comes first.
    limit: Limit is the maximum number of returned stamps.
    minUsage: Only list stamps with at least this usage percentage.
    maxUsage: Only list stamps with at most this usage percentage.  
  `;
    this.namespace = "swarm";
    this.specificInputSchema = ListPostageStampsSchema;
    this.bee = bee;
    this.config = config;
  }
  async executeQuery(input) {
    const { leastUsed, limit, minUsage, maxUsage } = input;
    let rawPostageBatches;
    try {
      rawPostageBatches = await this.bee.getPostageBatches();
    } catch (error) {
      let errorMessage = "Retrieval of postage batches failed.";
      if (errorHasStatus(error, NOT_FOUND_STATUS)) {
        errorMessage = GATEWAY_STAMP_ERROR_MESSAGE;
      }
      this.logger.error(
        errorMessage,
        error
      );
      throw new Error(errorMessage);
    }
    const batches = rawPostageBatches.map((batch) => ({
      ...batch,
      batchID: batch.batchID.toHex()
    }));
    let filteredPostageBatches = batches.filter((batch) => {
      if (!batch.usable) {
        return false;
      }
      const usagePercentage = batch.usage * 100;
      if (minUsage !== void 0 && usagePercentage < minUsage) {
        return false;
      }
      if (maxUsage !== void 0 && usagePercentage > maxUsage) {
        return false;
      }
      return true;
    });
    if (Boolean(leastUsed) && filteredPostageBatches.length) {
      filteredPostageBatches = filteredPostageBatches.sort(
        (batch1, batch2) => batch1.usage - batch2.usage
      );
    }
    if (limit !== void 0 && limit < filteredPostageBatches.length) {
      filteredPostageBatches = filteredPostageBatches.slice(0, limit);
    }
    const computedPostageBatches = filteredPostageBatches.map((batch) => getBatchSummary(batch));
    const content = {
      raw: filteredPostageBatches,
      summary: computedPostageBatches
    };
    return getResponseWithStructuredContent(content);
  }
}
export {
  ListPostageStampsTool
};
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