@silvana-one/abi/src/fetch.ts

Silvana ABI Experimental Library

import { PublicKey, Field, fetchAccount, Account } from "o1js";

/**
 * Fetches the Mina account for a given public key with error handling
 * @param params the parameters for fetching the account
 * @param params.publicKey the public key of the account
 * @param params.tokenId the token id of the account
 * @param params.force whether to force the fetch - use it only if you are sure the account exists
 * @returns the account object
 */
export async function fetchMinaAccount(params: {
  publicKey: string | PublicKey;
  tokenId?: string | Field | undefined;
  force?: boolean;
}): Promise<Account | undefined> {
  const { publicKey, tokenId, force = false } = params;
  const timeout = 1000 * 60 * 3; // 3 minutes
  let attempt = 0;
  const startTime = Date.now();
  let result = { account: undefined };
  while (Date.now() - startTime < timeout) {
    try {
      const result = await fetchAccount({
        publicKey,
        tokenId,
      });
      return result.account;
    } catch (error: any) {
      if (force === true)
        console.log("Error in fetchMinaAccount:", {
          error,
          publicKey:
            typeof publicKey === "string" ? publicKey : publicKey.toBase58(),
          tokenId: tokenId?.toString(),
          force,
        });
      else {
        console.log("fetchMinaAccount error", {
          error,
          publicKey:
            typeof publicKey === "string" ? publicKey : publicKey.toBase58(),
          tokenId: tokenId?.toString(),
          force,
        });
        return result.account;
      }
    }
    attempt++;
    await sleep(1000 * 6 * attempt); // to handle rate limit we increase the interval
  }
  if (force === true)
    throw new Error(
      `fetchMinaAccount timeout
      ${{
        publicKey:
          typeof publicKey === "string" ? publicKey : publicKey.toBase58(),
        tokenId: tokenId?.toString(),
        force,
      }}`
    );
  else
    console.log(
      "fetchMinaAccount timeout",
      typeof publicKey === "string" ? publicKey : publicKey.toBase58(),
      tokenId?.toString(),
      force
    );
  return result.account;
}

function sleep(ms: number) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}