EIP712-Batch-Layer

submitted transactions and submit multiple transactions in one meta-transaction

1. install depedencies npm install or yarn
2. running hardhat
   • npx hardhat node => chainId: 99999
   • npx hardhat run --network localhost scripts/deployMetaTransaction.js
   • copy save token address from deploy command
3. run relayer server
   • nodemon server.js run on port 4000
4. run react
   • npm start run on port 3000
5. get and copy file MetaTransaction.json from folder smartcontracts/artifacts/contracts/MetaTransaction.sol
6. paste MetaTransaction.json file on relayer folder
7. paste token from deploy address to
   • file WalletCardEthers.js from user/src folder | line 72
   • file server.js from relayer folder | line 22
8. see and change owner private key on server.js if deferent from Hardhat first/owner address

account reference use in this case

owner
account : 0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266
private key : 0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80

user
account : 0x8626f6940e2eb28930efb4cef49b2d1f2c9c1199
private key : 0xdf57089febbacf7ba0bc227dafbffa9fc08a93fdc68e1e42411a14efcf23656e

user
account : 0x70997970c51812dc3a010c7d01b50e0d17dc79c8
private key : 0x59c6995e998f97a5a0044966f0945389dc9e86dae88c7a8412f4603b6b78690d   

user
account : 0x3c44cdddb6a900fa2b585dd299e03d12fa4293bc
private key : 0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a