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[CE-491] Support Fabric 1.1 for k8s agent
1. Add Fabric 1.1 templates and resource 2. Change the process of cluster deletion ce-491 # doen Change-Id: I7535b23072a3815ad2e8caf0633c164a4567bec8 Signed-off-by: jiahaoc <jiahaochen1993@gmail.com>
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...ster_resources/fabric-1.1/resources/chaincodes/chaincode_example02/chaincode_example02.go
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/* | ||
Copyright IBM Corp. 2016 All Rights Reserved. | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
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package main | ||
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//WARNING - this chaincode's ID is hard-coded in chaincode_example04 to illustrate one way of | ||
//calling chaincode from a chaincode. If this example is modified, chaincode_example04.go has | ||
//to be modified as well with the new ID of chaincode_example02. | ||
//chaincode_example05 show's how chaincode ID can be passed in as a parameter instead of | ||
//hard-coding. | ||
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import ( | ||
"fmt" | ||
"strconv" | ||
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"github.com/hyperledger/fabric/core/chaincode/shim" | ||
pb "github.com/hyperledger/fabric/protos/peer" | ||
) | ||
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// SimpleChaincode example simple Chaincode implementation | ||
type SimpleChaincode struct { | ||
} | ||
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func (t *SimpleChaincode) Init(stub shim.ChaincodeStubInterface) pb.Response { | ||
fmt.Println("ex02 Init") | ||
_, args := stub.GetFunctionAndParameters() | ||
var A, B string // Entities | ||
var Aval, Bval int // Asset holdings | ||
var err error | ||
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if len(args) != 4 { | ||
return shim.Error("Incorrect number of arguments. Expecting 4") | ||
} | ||
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// Initialize the chaincode | ||
A = args[0] | ||
Aval, err = strconv.Atoi(args[1]) | ||
if err != nil { | ||
return shim.Error("Expecting integer value for asset holding") | ||
} | ||
B = args[2] | ||
Bval, err = strconv.Atoi(args[3]) | ||
if err != nil { | ||
return shim.Error("Expecting integer value for asset holding") | ||
} | ||
fmt.Printf("Aval = %d, Bval = %d\n", Aval, Bval) | ||
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// Write the state to the ledger | ||
err = stub.PutState(A, []byte(strconv.Itoa(Aval))) | ||
if err != nil { | ||
return shim.Error(err.Error()) | ||
} | ||
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err = stub.PutState(B, []byte(strconv.Itoa(Bval))) | ||
if err != nil { | ||
return shim.Error(err.Error()) | ||
} | ||
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return shim.Success(nil) | ||
} | ||
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func (t *SimpleChaincode) Invoke(stub shim.ChaincodeStubInterface) pb.Response { | ||
fmt.Println("ex02 Invoke") | ||
function, args := stub.GetFunctionAndParameters() | ||
if function == "invoke" { | ||
// Make payment of X units from A to B | ||
return t.invoke(stub, args) | ||
} else if function == "delete" { | ||
// Deletes an entity from its state | ||
return t.delete(stub, args) | ||
} else if function == "query" { | ||
// the old "Query" is now implemtned in invoke | ||
return t.query(stub, args) | ||
} | ||
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return shim.Error("Invalid invoke function name. Expecting \"invoke\" \"delete\" \"query\"") | ||
} | ||
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// Transaction makes payment of X units from A to B | ||
func (t *SimpleChaincode) invoke(stub shim.ChaincodeStubInterface, args []string) pb.Response { | ||
var A, B string // Entities | ||
var Aval, Bval int // Asset holdings | ||
var X int // Transaction value | ||
var err error | ||
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if len(args) != 3 { | ||
return shim.Error("Incorrect number of arguments. Expecting 3") | ||
} | ||
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A = args[0] | ||
B = args[1] | ||
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// Get the state from the ledger | ||
// TODO: will be nice to have a GetAllState call to ledger | ||
Avalbytes, err := stub.GetState(A) | ||
if err != nil { | ||
return shim.Error("Failed to get state") | ||
} | ||
if Avalbytes == nil { | ||
return shim.Error("Entity not found") | ||
} | ||
Aval, _ = strconv.Atoi(string(Avalbytes)) | ||
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Bvalbytes, err := stub.GetState(B) | ||
if err != nil { | ||
return shim.Error("Failed to get state") | ||
} | ||
if Bvalbytes == nil { | ||
return shim.Error("Entity not found") | ||
} | ||
Bval, _ = strconv.Atoi(string(Bvalbytes)) | ||
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// Perform the execution | ||
X, err = strconv.Atoi(args[2]) | ||
if err != nil { | ||
return shim.Error("Invalid transaction amount, expecting a integer value") | ||
} | ||
Aval = Aval - X | ||
Bval = Bval + X | ||
fmt.Printf("Aval = %d, Bval = %d\n", Aval, Bval) | ||
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// Write the state back to the ledger | ||
err = stub.PutState(A, []byte(strconv.Itoa(Aval))) | ||
if err != nil { | ||
return shim.Error(err.Error()) | ||
} | ||
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err = stub.PutState(B, []byte(strconv.Itoa(Bval))) | ||
if err != nil { | ||
return shim.Error(err.Error()) | ||
} | ||
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return shim.Success(nil) | ||
} | ||
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// Deletes an entity from state | ||
func (t *SimpleChaincode) delete(stub shim.ChaincodeStubInterface, args []string) pb.Response { | ||
if len(args) != 1 { | ||
return shim.Error("Incorrect number of arguments. Expecting 1") | ||
} | ||
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A := args[0] | ||
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// Delete the key from the state in ledger | ||
err := stub.DelState(A) | ||
if err != nil { | ||
return shim.Error("Failed to delete state") | ||
} | ||
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return shim.Success(nil) | ||
} | ||
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// query callback representing the query of a chaincode | ||
func (t *SimpleChaincode) query(stub shim.ChaincodeStubInterface, args []string) pb.Response { | ||
var A string // Entities | ||
var err error | ||
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if len(args) != 1 { | ||
return shim.Error("Incorrect number of arguments. Expecting name of the person to query") | ||
} | ||
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A = args[0] | ||
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// Get the state from the ledger | ||
Avalbytes, err := stub.GetState(A) | ||
if err != nil { | ||
jsonResp := "{\"Error\":\"Failed to get state for " + A + "\"}" | ||
return shim.Error(jsonResp) | ||
} | ||
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if Avalbytes == nil { | ||
jsonResp := "{\"Error\":\"Nil amount for " + A + "\"}" | ||
return shim.Error(jsonResp) | ||
} | ||
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jsonResp := "{\"Name\":\"" + A + "\",\"Amount\":\"" + string(Avalbytes) + "\"}" | ||
fmt.Printf("Query Response:%s\n", jsonResp) | ||
return shim.Success(Avalbytes) | ||
} | ||
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func main() { | ||
err := shim.Start(new(SimpleChaincode)) | ||
if err != nil { | ||
fmt.Printf("Error starting Simple chaincode: %s", err) | ||
} | ||
} |
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