@hashgraphonline/standards-agent-kit/dist/es/standards-agent-kit.es26.js

A modular SDK for building on-chain autonomous agents using Hashgraph Online Standards, including HCS-10 for agent discovery and communication.

import { TransferTransaction, Hbar } from "@hashgraph/sdk";
import { HederaMirrorNode } from "@hashgraphonline/standards-sdk";
const MIN_REQUIRED_USD = 2;
const MIN_REQUIRED_HBAR_USD = 10;
async function ensureAgentHasEnoughHbar(logger, baseClient, accountId, agentName) {
  try {
    const account = await baseClient.requestAccount(accountId);
    const balance = account.balance.balance;
    const hbarBalance = balance / 1e8;
    logger.info(`${agentName} account ${accountId} has ${hbarBalance} HBAR`);
    try {
      const mirrorNode = new HederaMirrorNode("testnet", logger);
      const hbarPrice = await mirrorNode.getHBARPrice(/* @__PURE__ */ new Date());
      if (hbarPrice) {
        const balanceInUsd = hbarBalance * hbarPrice;
        logger.info(`${agentName} balance in USD: $${balanceInUsd.toFixed(2)}`);
        if (balanceInUsd < MIN_REQUIRED_USD) {
          logger.warn(
            `${agentName} account ${accountId} has less than $${MIN_REQUIRED_USD} (${balanceInUsd.toFixed(
              2
            )}). Attempting to fund.`
          );
          try {
            const funder = baseClient.getAccountAndSigner();
            const targetHbar = MIN_REQUIRED_HBAR_USD / hbarPrice;
            const amountToTransferHbar = Math.max(0, targetHbar - hbarBalance);
            if (amountToTransferHbar > 0) {
              const transferTx = new TransferTransaction().addHbarTransfer(
                funder.accountId,
                Hbar.fromTinybars(
                  Math.round(amountToTransferHbar * -1e8)
                )
              ).addHbarTransfer(
                accountId,
                Hbar.fromTinybars(
                  Math.round(amountToTransferHbar * 1e8)
                )
              );
              logger.info(
                `Funding ${agentName} account ${accountId} with ${amountToTransferHbar.toFixed(
                  2
                )} HBAR from ${funder.accountId}`
              );
              const fundTxResponse = await transferTx.execute(
                baseClient.getClient()
              );
              await fundTxResponse.getReceipt(baseClient.getClient());
              logger.info(
                `Successfully funded ${agentName} account ${accountId}.`
              );
            } else {
              logger.info(
                `${agentName} account ${accountId} does not require additional funding.`
              );
            }
          } catch (fundingError) {
            logger.error(
              `Failed to automatically fund ${agentName} account ${accountId}:`,
              fundingError
            );
            logger.warn(
              `Please fund the account ${accountId} manually with at least ${(MIN_REQUIRED_HBAR_USD / hbarPrice).toFixed(2)} HBAR.`
            );
          }
        }
      } else {
        logger.warn(
          "Failed to get HBAR price from Mirror Node. Please ensure the account has enough HBAR."
        );
      }
    } catch (error) {
      logger.warn(
        "Failed to check USD balance. Please ensure the account has enough HBAR."
      );
    }
  } catch (error) {
    logger.error(`Failed to check ${agentName} account balance:`, error);
  }
}
export {
  MIN_REQUIRED_HBAR_USD,
  MIN_REQUIRED_USD,
  ensureAgentHasEnoughHbar
};
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