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Upgrades proof-of-possession to use Ethereum address #556

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merged 6 commits into from
Oct 31, 2019

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kobigurk
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Description

Currently, the proof of possession is used with the BLS public key, opening the possibility for front-running attacks. This changes the behaviour such that the Ethereum address is used.

In conjuction with celo-org/celo-monorepo#1494.

Tested

Runs end-to-end tests in celo-monorepo.

Other changes

  • Upgrades to Rust 1.37.
  • Upgrades to latest bls-zexe.

Related issues

Backwards compatibility

Not backwards compatible.

@kobigurk kobigurk force-pushed the kobigurk/proof_of_possesion_zexe_upgrade branch from dd17db4 to d0d2302 Compare October 29, 2019 15:22
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@nategraf nategraf left a comment

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Look good. Thanks for breaking it up!

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@kevjue kevjue assigned kobigurk and unassigned kevjue Oct 31, 2019
@kobigurk kobigurk merged commit a1dfb63 into master Oct 31, 2019
@kobigurk kobigurk deleted the kobigurk/proof_of_possesion_zexe_upgrade branch October 31, 2019 15:09
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Successfully merging this pull request may close these issues.

Validators SBAT submit their BLS signed ethereum address as proof-of-possession
3 participants