Rename IssueAsset to CreateAsset

- Move go chaincode to chaincode-go subdirectory
- Add public description argument to CreateAsset()

Signed-off-by: Tiffany Harris <tiffany.harris@ibm.com>

asset-transfer-secured-agreement/chaincode-go/README.md

@@ -118,7 +118,7 @@ Now that we can operate as both organizations, we need install the private asset
 
 Open the Org1 terminal. Run the following command to package the private asset transfer chaincode:
 ```
-peer lifecycle chaincode package assets_transfer.tar.gz --path ../asset-transfer-secured-agreement --lang golang --label assets_transfer_1
+peer lifecycle chaincode package assets_transfer.tar.gz --path ../asset-transfer-secured-agreement/chaincode-go --lang golang --label assets_transfer_1
 ```
 
 The command creates a chaincode package named `assets_transfer.tar.gz`. We can now install this package on the Org1 peer:
@@ -180,7 +180,7 @@ export asset_PROPERTIES=$(echo -n "{\"object_type\":\"asset_properties\",\"asset
 ```
 We can now use the following command to create a asset that belongs to Org1:
 ```
-peer chaincode invoke -o localhost:7050 --ordererTLSHostnameOverride orderer.example.com --tls --cafile ${PWD}/organizations/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem -C mychannel -n assets_transfer -c '{"function":"IssueAsset","Args":["asset1"]}' --transient "{\"asset_properties\":\"$asset_PROPERTIES\"}"
+peer chaincode invoke -o localhost:7050 --ordererTLSHostnameOverride orderer.example.com --tls --cafile ${PWD}/organizations/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem -C mychannel -n assets_transfer -c '{"function":"CreateAsset","Args":["asset1", "A new asset for Org1MSP"]}' --transient "{\"asset_properties\":\"$asset_PROPERTIES\"}"
 ```
 
 We can can query the Org1 implicit data collection to see the asset that was created:

asset-transfer-secured-agreement/chaincode-go/asset_transfer.go

@@ -55,8 +55,8 @@ type receipt struct {
 	timestamp time.Time
 }
 
-// IssueAsset creates a asset and sets it as owned by the client's org
-func (s *SmartContract) IssueAsset(ctx contractapi.TransactionContextInterface, assetID string) error {
+// CreateAsset creates a asset and sets it as owned by the client's org
+func (s *SmartContract) CreateAsset(ctx contractapi.TransactionContextInterface, assetID, publicDescription string) error {
 
 	transMap, err := ctx.GetStub().GetTransient()
 	if err != nil {
@@ -76,13 +76,12 @@ func (s *SmartContract) IssueAsset(ctx contractapi.TransactionContextInterface,
 		return fmt.Errorf("failed to get verified OrgID: %s", err.Error())
 	}
 
-	// Create and persit asset
-
+	// Create and persist asset
 	asset := Asset{
 		ObjectType:        "asset",
 		ID:                assetID,
 		OwnerOrg:          clientOrgID,
-		PublicDescription: "A new asset for " + clientOrgID,
+		PublicDescription: publicDescription,
 	}
 
 	assetJSON, err := json.Marshal(asset)