{ "default": { "versions": { "web3.js": "1.0.0-beta", "solc": "0.4.23" }, "deployment": { "host": "localhost", "port": 8545, "type": "rpc" }, "dappConnection": [ "$WEB3", "http://localhost:8545" ], "gas": "auto", "contracts": { "ERC20Receiver": { "deploy": false } } } }