Lava Protocol Wallet

This new dapp lets you transfer tokens with Meta Transactions

https://lavaprotocol.com/

https://etherscan.io/address/0x5c5ca8c79bf69a5449f1f621215e9cfc91189cc5#code

This application uses EIP712 and PersonalSign in order to allow you to sign an 'offchain packet of data' which contains data describing a transaction that you want to be performed, like transferring ERC20 tokens. You can attach a fee in terms of those ERC20 tokens.

Anyone can pay gas to submit to signed 'datagram' to the Ethereum network and to the Lava smart contract. When the tx is mined, the contract checks the signature and if it is good, the submitter will be rewarded with the fee in tokens and the transaction that you specified will be performed.

This new update for the contract makes it totally NON-ESCROW and compatible with ANY ERC20 TOKEN. This means that MetaTX can be performed on any standard ERC20 tokens without any modifications or hassle or re-escrowing. This is part of the Metamask Meta TX competition going on.

how to run

1. install node8
2. install dependencies with 'npm install'
3. run tests with 'npm run test'

Will use EIP 712 https://medium.com/metamask/scaling-web3-with-signtypeddata-91d6efc8b290

https://github.com/ukstv/sign-typed-data-test/blob/master/contracts/SignTypedData.sol#L11

https://github.com/danfinlay/js-eth-personal-sign-examples

https://programtheblockchain.com/posts/2018/02/17/signing-and-verifying-messages-in-ethereum/

Published on Ropsten

ECRecover 0x57b8bf55a05dd481b4f8c5fda9dbaa937799db69

LavaWallet 0x38d5665ec478e0340b46a062071a2694bbc0b451

smart contract todo

-Add a token withdrawl mechanism

HOW TO TEST

npm run dev