NET_ID=42
RPC_URL=https://kovan.infura.io/v3/a3f4d001c1fc4a359ea70dd27fd9cb51
PRIVATE_KEY=
MIXER_ADDRESS=0xa01dCfABF44674f2f60e064e9F4B1300a87753c8
# in wei
DESIRED_FEE=10000000000000000