Adjusted instructions in zecale client README

client/README.md

@@ -39,11 +39,9 @@ $ source env/bin/activate
 (env)$ make setup
 ```
 
-Then, Execute the following inside the `client` directory:
+Then, execute the following inside the `client` directory:
 ```console
 $ cd $ZECALE/client
-$ python -m venv env
-$ source env/bin/activate
 (env)$ make setup
 ```
 
@@ -65,10 +63,15 @@ In order for Zecale to work, it is necessary for the blockchain to support
 BW6-761 arithmetic. As such, we assume below that the smart contracts are
 deployed on an Ethereum testnet that supports BW6-761 precompiled contracts.
 
-To do so, please follow the instructions below to run a modified version
+To do so, you can start a ganache-cli instance via docker by running:
+```console
+docker run -ti -p 8545:8545 ghcr.io/clearmatics/ganache-cli --hardfork istanbul --gasLimit 0x3FFFFFFFFFFFF --gasPrice 1 --defaultBalanceEther 90000000000
+```
+
+Otherwise, please follow the instructions below to run a modified version
 of ganache-cli in a new terminal (see [Zeth](https://github.com/clearmatics/zeth/) for more information):
 ```console
-cd ../depends/zeth/zeth_contracts
+cd $ZECALE/depends/zeth/zeth_contracts
 npm install # make sure that node and npm have the right versions
 npm run testrpc
 ```