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arnaucube 9a5be110fc Updt Sequencer errormsg on try_contr on 200ok code 1 year ago
.github/workflows Add GHA to check tests 1 year ago
client Updt Sequencer errormsg on try_contr on 200ok code 1 year ago
cmd Updt Sequencer errormsg on try_contr on 200ok code 1 year ago
.gitignore Polishing & documenting, add compile script 1 year ago
LICENSE init repo 1 year ago
README.md Update VerifySRS (SRS/State) 1 year ago
batch_contribution_10.json Add BatchContribution parsers & real json test 1 year ago
compile.sh Polishing & documenting, add compile script 1 year ago
current_state_10.json Add json marshalers for State transcripts, test with real state data from sequencer 1 year ago
go.mod use different taus for each powers batch 1 year ago
go.sum use different taus for each powers batch 1 year ago
parsers.go Polishing & documenting, add compile script 1 year ago
parsers_test.go Polishing & documenting, add compile script 1 year ago
powersoftau.go Updt Sequencer errormsg on try_contr on 200ok code 1 year ago
powersoftau_test.go Updt Sequencer errormsg on try_contr on 200ok code 1 year ago

README.md

eth-kzg-ceremony-alt GoDoc Test

Alternative (non-official) implementation in Go of the contributor for the Ethereum KZG Trusted Setup Ceremony.

The purpose of this repo is to use it to contribute to the upcoming Ethereum KZG Trusted Setup Ceremony, without using the official implementation.

The Ceremony is considered safe as long as there is at least one honest participant, with the idea that if you participate, assuming that you consider yourself honest, you can consider the Ceremony safe. Ethereum will run the Ceremony which will be used at least in EIP-4844.

Probably most of the contributions will be generated with the same code (official impl, which has been audited). The idea of this repo is to try to bring more diversity to the table with another independent implementation.

This implementation has been done without looking at the other impls code (except for the point parsers test vectors), in order to not be biased by that code.

This code has not been audited, use it at your own risk.

Why in Go? Ideally would have done this code using Rust & arkworks, but the official impl already uses that. This implementation uses Kilic's BLS12-381 pairing implementation.

Documents used for this implementation:

You can find more info on the logic behind the powers of tau computation & verification in these notes: http://arnaucube.com/blog/powersoftau.html

Usage

Get the binary from the releases (alternative you can compile it from source), and run:

> ./kzgceremony

eth-kzg-ceremony-alt
====================

Usage of ./kzgceremony:
  -u, --url string       sequencer url (default "https://seq.ceremony.ethereum.org")
  -r, --rand string      randomness, needs to be bigger than 64 bytes
  -s, --sleeptime uint   time (seconds) sleeping before trying again to be the next contributor (default 30)

So for example, run your contribution with:

./kzgceremony -r "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod"

(where the "Lorem ipsum..." is your source of randomness)