We want you to create a system that will:
- Load the information for the given ERC20 contract.
- The contract address is:
0xf019a9c291fab47003588fe74d33660cd467fc22 - We want the name of the ERC20 contract, the symbol and the decimal points.
- The contract address is:
- The above ERC20 contracts has got some token transfer from and to this externally owned Ethereum address:
0xF7b547f3E46EFfB3480EEE2c486AE760734B135c. We need to load all those transfers. - For each transfer we need to show:
- The sender of the tokens i.e.
from - The recipient of the tokens:
to - The size i.e. the number of the tokens:
value
- The sender of the tokens i.e.
- We need a KoaJS Restful API with a single endpoint.
- The endpoint will be
/addresses/:ethAddress/transactions - It will receive the aforementioned address as a parameter.
- It will use Web3JS to load all transaction data from the Blockchain and send them to the client.
- The endpoint will be
- Finally we need a React-Native app that will show the transactions in a table.
- The app should use Redux for state management
- It will communicate with the Koa Server to load all transactions for the given ethereum address.
- You will have to use web3.js to connect to the Ethereum json-rpc endpoint which is
https://kovan.infura.io/v3/3269c013c5b2449aaea1bb593f873d77 - You can find the ERC20 abi here.
- To load the transfers you will have to read the Transfer event from the above ERC20 contract. Check the instructions here.
- Check this link that shows the transaction table that you will have to render within the react native app.