Unable to decode bundle

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
25/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
javascript
Domain
api

Research direction

Start by comparing the successful bundle simulation with the sendRawBundle call shown in the issue, focusing on FlashbotsBundleProvider.create and the signedBundle passed to sendRawBundle. Reproduce the submission error and trace where the bundle becomes undecodable; done means identifying the cause and confirming a working submission path.

Written by the indexing model from the issue text.

Description

Hey,

When simulating a bundle, everything works just fine, however, when submitting it using:

    const bundleReceipt = await flashbotsProvider.sendRawBundle(
      signedBundle,
      targetBlockNumber
    );

Then I get the following error message:

{ error: { message: 'unable to decode bundle', code: -32000 } }

I instantiate my flashbotsProvider as follows:

    const flashbotsProvider = await FlashbotsBundleProvider.create(
      await alchemy.config.getProvider(),
      new Wallet(process.env.SIGNER_PRIVATE_KEY, alchemy)
    );

Any thoughts?

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