Flashbox: Use attested TLS proxy 2.0.1 and update documentation and release pipeline for new measurement flow - #189
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ameba23
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Aug 3, 2026
| > Note: at the time of the writing, those measurements were acquired by building from commit ef5dd2727ba4569d530c67822dc96778f54a295a, if you're viewing this from main branch please ensure to build from the same commit to get the same measurements. | ||
| Check that the contents of this file is identical to the same file in the [release assets of the flashbots-image release](https://github.com/flashbots/flashbots-images/releases) you are building. | ||
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| > Note: at the time of the writing, compiling flashbox-l1 image is not reproducible if building under ARM mac with Rosetta. Please use x86_64 Linux for now. |
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Is this still the case?
ameba23
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Aug 3, 2026
| echo " curl -si http://127.0.0.1:8080 | grep -q X-Flashbots-Measurement && echo '✅ VM matches YOUR build' || echo '❌ mismatch'" | ||
| echo " git clone https://github.com/flashbots/attested-tls-proxy" | ||
| echo " cd attested-tls-proxy" | ||
| printf '%s\n' " cargo run -- attested-get --allow-self-signed --measurements-file ../build/portable_measurements.json <your-instance-ip>:8745/pubkey && printf '\\n✅ VM matches YOUR build\\n'" |
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I had issues with escaping the newlines, so using printf rather than echo.
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This makes Flashbox use the latest release of attested-tls-proxy which accepts 'portable' measurement policies where OS image hashes rather than TDX measurement values are specified.
It updates the documentation explaining how to build these hashes and check them against an attestation from a flashbox deployment.
It also updates the release pipeline to include these 'portable' measurements rather than TDX measurement values.
Note this targets #185 - so i am trying out stacked PRs for the first time here.
I have tested it with a basic Flashbox-L1 deployment and was able to successfully validate against portable hashes. But i have not made a test release of flashbots-images to check the changes to the release pipeline.