Implement minor changes on change-admin command

packages/cli/src/commands/set-admin.js

@@ -7,7 +7,7 @@ import _ from 'lodash'
 
 const name = 'set-admin'
 const signature = `${name} [alias-or-address] [new-admin-address]`
-const description = 'change upgradeability admin of a contract instance. Provide the [alias] or [package]/[alias] you added your contract with, or its [address]. Note that if you transfer to an incorrect address, you may irreversibly lose control over upgrading your contract.'
+const description = 'change upgradeability admin of a contract instance. Provide the [alias] or [package]/[alias] of the contract to change the ownership of all its instances, or its [address] to change a single one. Note that if you transfer to an incorrect address, you may irreversibly lose control over upgrading your contract.'
 
 const register = program => program
   .command(signature, { noHelp: true })

packages/cli/src/models/files/ZosNetworkFile.js

@@ -235,7 +235,7 @@ export default class ZosNetworkFile {
   updateProxy({ package: proxyPackage, contract: proxyContract, address: proxyAddress }, fn) {
     const fullname = toContractFullName(proxyPackage, proxyContract)
     const index = _.findIndex(this.data.proxies[fullname], { address: proxyAddress })
-    if (index === -1) throw Error(`Proxy ${fullname} at ${proxyAddress} not found in network manifest`)    
+    if (index === -1) throw Error(`Proxy ${fullname} at ${proxyAddress} not found in network file`)    
     this.data.proxies[fullname][index] = fn(this.data.proxies[fullname][index]);
   }
 

packages/cli/src/models/network/NetworkAppController.js

@@ -165,22 +165,25 @@ export default class NetworkAppController extends NetworkBaseController {
   }
 
   _fetchOwnedProxies(packageName, contractAlias, proxyAddress) {
+    let criteriaDescription;
+    if (packageName || contractAlias) criteriaDescription += ` contract ${toContractFullName(packageName, contractAlias)}`
+    if (proxyAddress) criteriaDescription += ` address ${proxyAddress}`
+
     const proxies = this.networkFile.getProxies({ 
       package: packageName || (contractAlias ? this.packageFile.name : undefined),
       contract: contractAlias, 
       address: proxyAddress
     })
 
     if (_.isEmpty(proxies)) {
-      log.info('No owned contract instances that match were found');
+      log.info(`No contract instances that match${criteriaDescription} were found`);
       return [];
     }
 
     const ownedProxies = proxies.filter(proxy => !proxy.admin || proxy.admin === this.appAddress);
 
     if (_.isEmpty(ownedProxies)) {
-      log.info('No matching contract instances are owned by this application');
-      return [];
+      log.info(`No contract instances that match${criteriaDescription} are owned by this application`);
     }
 
     return ownedProxies;