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Home / News / Bounty - ICDevs.org EVM Utility Canister - Rust

Austin Fatheree, January 09 2023






EVM UTILITY CANISTER - #28


CURRENT STATUS: AWARDED

 * Discussion (01/09/2023)
 * Ratification: (01/09/2023)
 * Open for application: (01/09/2023)
 * Assigned: (01/18/2023) spokor
 * In Review
 * Closed https://github.com/icopen/evm_utils_ic

Forum Link - Discussion


BOUNTY DETAILS

 * Bounty Amount: $6,000 USD of ICP at award date
 * ICDevs.org Bounty Acceleration: For every ICP sent to
   8e6a56cf83240d1f07afe5002d8ce3574e2bde9ede8c4a8964cd6b53c40d0c22, ICDevs.org
   will add .25 ICP to this issue and .75 ICP to fund other ICDevs.org
   initiatives.
 * Project Type: Team
 * Opened: 01/09/2023
 * Time Commitment: Days
 * Project Type: Library
 * Experience Type: Intermediate - Rust; Intermediate - Evm;


DESCRIPTION

This rust canister allows motoko canister to query it with data to receive EVM
compliant transactions that can be signed via t-ECDSA and submitted to EVM
networks.

This bounty gives the opportunity to

 * learn rust
 * learn about signing transactions
 * learn about evm transactions
 * learn about t-ecdsa

Motoko currently is missing a number of libraries needed to encode, interpret,
and sign evm transactions and data. Rust has most of these libraries and many of
them have been used in the rust No Key Wallet project. Until these libraries are
converted to motoko, it would be nice to have a utility canister that does most
of this work for a motoko canister. This will involve async communication and
may incur long transaction times, but it will at least let motoko devs get
started with EVM based transactions while those motoko libraries are being
developed.

 * Create a proper candid type for passing an EVM transaction to the utility
   canister and return the encoded bytes and hash that is needed to be signed.
   Support multiple network ids and transaction types like Legacy, EIP1559,
   EIP2930.
 * Create a proper candid type for passing in an evm witness, root, and
   receiving back a verification that the data is part of the tree under that
   root.
 * Expose RLP encoding and candid type
 * Expose a keccak hashing function
 * Expose functions similar to
   https://github.com/ethereumjs/ethereumjs-monorepo/tree/master/packages/util


TO APPLY FOR THIS BOUNTY YOU SHOULD:

 * Include links to previous work writing tutorials and any other open-source
   contributions(ie. your github).
 * Include a brief overview of how you will complete the task. This can include
   things like which dependencies you will use, how you will make it
   self-contained, the sacrifices you would have to make to achieve that, or how
   you will make it simple. Anything that can convince us you are taking a
   thoughtful and expert approach to this design.
 * Give an estimated timeline on completing the task.
 * Post your application text to the Bounty Thread


SELECTION PROCESS

The ICDevs.org developer’s advisors will propose a vote to award the bounty and
the Developer Advisors will vote.


BOUNTY COMPLETION

Please keep your ongoing code in a public repository(fork or branch is ok).
Please provide regular (at least weekly) updates. Code commits count as updates
if you link to your branch/fork from the bounty thread. We just need to be able
to see that you are making progress.

The balance of the bounty will be paid out at completion.

Once you have finished, please alert the dev forum thread that you have
completed work and where we can find that work. We will review and award the
bounty reward if the terms have been met. If there is any coordination work(like
a pull request) or additional documentation needed we will inform you of what is
needed before we can award the reward.


BOUNTY ABANDONMENT AND RE-AWARDING

If you cease work on the bounty for a prolonged(at the Developer Advisory
Board’s discretion) or if the quality of work degrades to the point that we
think someone else should be working on the bounty we may re-award it. We will
be transparent about this and try to work with you to push through and complete
the project, but sometimes, it may be necessary to move on or to augment your
contribution with another resource which would result in a split bounty.


FUNDING

The bounty was generously funded by the DFINITY Foundation. If you would like to
turbocharge this bounty you can seed additional donations of ICP to
8e6a56cf83240d1f07afe5002d8ce3574e2bde9ede8c4a8964cd6b53c40d0c22. ICDevs will
add .25 for every 1 token donated to the bounty. All donations will be tax
deductible for US Citizens and Corporations. If you send a donation and need a
donation receipt, please email the hash of your donation transaction, physical
address, and name to donations@icdevs.org. More information about how you can
contribute can be found at our donations page.


FYI: GENERAL BOUNTY PROCESS


DISCUSSION

The draft bounty is posted to the DFINITY developer’s forum for discussion


RATIFICATION: (01/09/2023)

The developer advisor’s board will propose a bounty be ratified and a vote will
take place to ratify the bounty. Until a bounty is ratified by the Dev it hasn’t
been officially adopted. Please take this into consideration if you are
considering starting early.


OPEN FOR APPLICATION

Developers can submit applications to the Dev Forum post. The council will
consider these as they come in and propose a vote to award the bounty to one of
the applicants. If you would like to apply anonymously you can send an email to
austin at icdevs dot org or sending a PM on the dev forum.


ASSIGNED

A developer is currently working on this bounty, you are free to contribute, but
any splitting of the award will need to be discussed with the currently assigned
developer.


IN REVIEW

The Dev Council is reviewing the submission


AWARDED

The award has been given and the bounty is closed.

Other ICDevs.org Bounties

v0.1.0