Token basket swaps

[dangerousfood]

Prize Bounty

8,000 USDC

Challenge Description

Implement a set of contract that allows a user defined swap for one basket of tokens for another.

Swaps should be implemented as metatransactions using the Airswap v1 contracts as an example. Metatransactions should support any number of ERC20, ERC721, and ERC1155 tokens in the maker/taker basket.

Both sides of trade (maker and taker) will be defined within a metatransaction by the maker.

An example swap might look:

• Maker
  • Cryptopunk tokenId 666
  • Cryptokitty tokenId 123
  • 20.51 USDC FOR
• Taker
  • Hashmask tokenId 17
  • 0.5 ETH

That metatransaction is signed by the maker and delivered off chain to the taker to be redeemed by the taker.

Submission Requirements

• Complete contracts that perform the function
• Implementation of a mocha test case demonstrating the swaps
• README.md giving an overview of your implementation

Judging Criteria

First valid submission received.

Winner Announcement Date

First to submit.

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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This issue now has a funding of 8000.0 USDC (8000.0 USD @ $1.0/USDC) attached to it.

• If you would like to work on this issue you can 'start work' on the Gitcoin Issue Details page.
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  • $2,710,374.94 more funded OSS Work available on the Gitcoin Issue Explorer

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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Work has been started.

These users each claimed they can complete the work by 3 weeks, 1 day from now. Please review their action plans below:

1) 0xrs has been approved to start work.

Implemented basket swaps here: https://github.com/0xrs/token-basket-swaps-metatx

Docs are WIP.

Learn more on the Gitcoin Issue Details page.

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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Work for 8000.0 USDC (8000.00 USD @ $1.0/USDC) has been submitted by:

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• Learn more on the Gitcoin Issue Details page
• Want to chip in? Add your own contribution here.
• Questions? Checkout Gitcoin Help or the Gitcoin's Discord
• $2,834,945.01 more funded OSS Work available on the Gitcoin Issue Explorer