Merge pull request #3524 from ethcore/jg-signer-api-queries

Don't query chain in Signer, use Redux isTest

js/src/dapps/basiccoin/services.js

@@ -105,7 +105,7 @@ export function attachInstances () {
     ])
     .then(([registryAddress, netChain]) => {
       const registry = api.newContract(abis.registry, registryAddress).instance;
-      isTest = netChain === 'morden' || netChain === 'testnet';
+      isTest = ['morden', 'ropsten', 'testnet'].includes(netChain);
 
       console.log(`contract was found at registry=${registryAddress}`);
       console.log(`running on ${netChain}, isTest=${isTest}`);