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Debugging locally

All local logs and events will output to your terminal where you run goldsky compose start. Output is formatted and colored to make scanning the output as easy as possible.

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Debugging a Deployed Compose App

There are two key methods of debugging your app when running in the cloud, viewing logs and inspecting task run records. Both of these can be done in the UI of our web app on your compose app details page at https://app.goldsky.com/dashboard/compose/{appName}. By default all context function calls are captured as task run events and are logged. You can also add your own custom events and logging with the logEvent context function and the standard typescript console.

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Examples

import { TaskContext } from "compose";

export async function main(
  { evm, logEvent }: TaskContext,
  params: { payouts: bigint[]; resultId: string }
) {
  try {
    const { payouts, resultId } = params;

    console.log("Reporting payouts", payouts, resultId);

    const wallet = await evm.wallet();
    const { hash } = await wallet.writeContract(
      evm.chains.polygon,
      "0x1234567890abcdef1234567890abcdef12345678" as `0x${string}`,
      "reportPayouts(bytes32,uint256[])",
      [resultId, payouts]
    );

    return { hash };
  } catch (error) {
    if (error instanceof Error && error.message.includes("payout denominator already set")) {
      await logEvent({
        code: "PAYOUT_DENOMINATOR_ALREADY_SET",
        message: `Payout denominator already set, marking as resolved`,
        data: JSON.stringify(error),
      });
    } else {
      console.error("Error reporting payout", error);
      throw error;
    }
  }
}

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Next Steps

Deploying your App

Learn about deploying your app to the cloud for production use cases.

Full CLI Reference

View the full CLI command reference