Rainbow Bridge NFT Connector | Bountry $TBD in NEAR

[ilblackdragon]

Description

Implement an NFT connector for Rainbow Bridge.

General idea is to fork Token Connector and adjust it to support NFTs (ERC-721 & NEP-4)

Context

• Overall details about Rainbow bridge: https://near.org/blog/eth-near-rainbow-bridge/
• Entry point for implementation: https://github.com/near/rainbow-bridge-cli
• ERC-20 token connector: https://github.com/near/rainbow-token-connector
• Ethereum's standard for NFTs ERC-721: https://eips.ethereum.org/EIPS/eip-721
• NEAR's standard for NFTs NEP-4: Nonfungible Token Standard NEPs#4
• Example of NEAR's implementation of NEP-4: https://github.com/near-examples/NFT
• NEAR-based Corgi's NFT: http://corgis.near.org/ + source code: https://github.com/nearprotocol/corgis

Acceptance Criteria

• Fork of https://github.com/near/rainbow-token-connector contracts that implements it for NFTs: BridgeNFTFactory, BridgeNFT token on both NEAR and Ethereum sides.
• Integration test for NEAR, that deploys test NFT contract, BridgeNFTFactory and tests that with a "mocked" prover deposit/withdraw of NEAR's NFT happen and that with a prove, it can deploy and mint new NFTs bridged from Ethereum side.
• Integration test for Ethereum, that deploys test NFT contract, BridgeNFTFactory and tests that with a "mocked" prover deposit/withdraw of Ethereum's NFT happen and that with a prove, it can deploy and mint new NFTs bridged from NEAR side.

Extra:

• Example with UI to bridge Corgi's (or any other NFT) from NEAR to Ethereum and back.

Bounty

$TBD in NEAR

[vince0656]

Sent @potatodepaulo a message on discord about working on this as part of the hackathon

[vince0656]

@ilblackdragon @potatodepaulo see draft PR above. Made progress during the hackathon but started working on things pre token connector (the token connector wasn't being used in the CLI when I had cloned the repo and the contracts repos too)

[vince0656]

https://medium.com/@vince0656/bridging-ethereum-nfts-to-near-505a272ec949

[alexauroradev]

Moved to aurora-is-near/rainbow-non-fungible-token-connector#1

[cameron-NEAR]

Has this bounty been finalized and paid? @ilblackdragon @vince0656
It seems so, I just want to double check before closing it.

[cameron-NEAR]

Hey, has this bounty been completed? I'm happy to help find a team to complete it if not. @ilblackdragon

[starpause]

Based on chat we should focus on ERC-1155 & NEP-171. Still open and we have the #CreatorsAndCommunities Hackathon kicking off May 15 (Fri)!

[ht55ght55]

What is going on with this bounty? It seems like there hasn't been any updates on any of the bounties in this repo for a while....

[ilblackdragon]

There has been a bunch more work outside of the bounty process. I'll close this bounty.