import ReactEth from 'react-eth';

const abi = {
  "constant": false,
  "inputs": [
    {
      "name": "spender",
      "type": "address"
    },
    {
      "name": "value",
      "type": "uint256"
    }
  ],
  "name": "approve",
  "outputs": [
    {
      "name": "",
      "type": "bool"
    }
  ],
  "payable": false,
  "stateMutability": "nonpayable",
  "type": "function"
};

<ReactEth abi={abi}>