Errors

import { APIError } from "@paxoslabs/amplify-sdk";

class APIError extends Error {
  /** Error code for programmatic handling */
  code: string;

  /** SDK function that threw the error */
  endpoint: string;

  /** HTTP status code (if applicable) */
  statusCode?: number;

  /** Original error message */
  message: string;
}

import { APIError, prepareDepositAuthorization } from "@paxoslabs/amplify-sdk";

try {
  const auth = await prepareDepositAuthorization(params);
} catch (error) {
  if (error instanceof APIError) {
    console.log(error.code);       // "VAULT_NOT_FOUND"
    console.log(error.endpoint);   // "prepareDepositAuthorization"
    console.log(error.statusCode); // 404
    console.log(error.message);    // "No vault matches the provided parameters"
  }
}

try {
  const auth = await prepareDepositAuthorization(params);
} catch (error) {
  if (error instanceof APIError) {
    switch (error.code) {
      case "SDK_NOT_INITIALIZED":
        await initAmplifySDK(apiKey);
        // Retry operation
        break;
      case "VAULT_NOT_FOUND":
        showError("This token is not supported for the selected yield type");
        break;
      default:
        showError(error.message);
    }
  }
}

try {
  const prepared = await prepareDeposit(params);
} catch (error) {
  if (error instanceof APIError) {
    // Log structured error data
    console.error({
      code: error.code,
      endpoint: error.endpoint,
      statusCode: error.statusCode,
      message: error.message,
    });

    // Send to error tracking service
    errorTracker.capture(error, {
      extra: {
        endpoint: error.endpoint,
        statusCode: error.statusCode,
      },
    });
  }
}

function getErrorMessage(error: APIError): string {
  const messages: Record<string, string> = {
    SDK_NOT_INITIALIZED: "Please wait while we initialize...",
    VAULT_NOT_FOUND: "This token is not available for the selected strategy.",
    PERMIT_NOT_SUPPORTED: "Please approve the transaction in your wallet.",
    INSUFFICIENT_ALLOWANCE: "Please approve a higher amount.",
    LIQUIDITY_UNAVAILABLE: "Withdrawals are temporarily limited. Please try a smaller amount.",
  };

  return messages[error.code] || error.message;
}