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Deliver L2D on chain #3

Open ed-umb opened 2 years ago

ed-umb commented 2 years ago

Deliver L2D on chain

Prize Bounty

USDT (Tether) 3500 on Ethereum (ERC-20)

Challenge Description

Create an off-chain application which periodically sends a singler layer 2 data point (block id, key, value, and proof) to an on-chain smart contract. The off-chain application will use the Umbrella API to retrieve the latest block id and the latest value for a given key. The on-chain smart contract should receive the data, validate the proof, and update its internal state to reflect the new value received. Summary must also include restrictions/limitations of the implemented solution.

Submission Requirements

Along with the code, a summary of the project and a demo video of how the project works is required.

Judging Criteria

Extent of the Umbrella SDK usage will be asssessed, together with how creative the solution was.

Winner Announcement Date

Winners will be announced on Nov 9th, 2021.

Resources

Umbrella's Sandbox environment will be available for the Hackathon. This environment operates on Ropsten and BSC testnet.

Ropsten Sandbox Block Explorer: https://explorer-eth-sbx.umb.network/ BSC Testnet Sandbox Block Explorer: https://explorer-bsc-sbx.umb.network/ Sandbox Dev Portal: https://portal-sbx.umb.network/ Sandbox API: https://api.sbx.umb.network/

Smart Contract addresses can be found on our Documentation: https://umbrella-network.readme.io/docs/umb-token-contracts

gitcoinbot commented 2 years ago

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

This issue now has a funding of 3500.0 USDT (3500.0 USD @ $1.0/USDT) attached to it.

gitcoinbot commented 2 years ago

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

Work has been started.

These users each claimed they can complete the work by 2 days, 15 hours from now. Please review their action plans below:

1) krrsna37 has started work.

using umbrella api to make off chain application

Learn more on the Gitcoin Issue Details page.

gitcoinbot commented 2 years ago

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

Work for 3500.0 USDT (3500.00 USD @ $1.0/USDT) has been submitted by:

gitcoinbot commented 2 years ago

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

Work for 3500.0 USDT (3500.00 USD @ $1.0/USDT) has been submitted by:

  1. @meetmangukiya

@bolofuup please take a look at the submitted work:

gitcoinbot commented 2 years ago

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

The funding of 3500.0 USDT (3500.00 USD @ $1.0/USDT) attached to this issue has been approved & issued to @meetmangukiya.