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How to use serializeCall method of prog Package

Best Syzkaller code snippet using prog.serializeCall

encodingexec.go

Source:encodingexec.go

...54		args:   make(map[Arg]argInfo),55	}56	for _, c := range p.Calls {57		w.csumMap, w.csumUses = calcChecksumsCall(c)58		w.serializeCall(c)59	}60	w.write(execInstrEOF)61	if w.eof {62		return 0, fmt.Errorf("provided buffer is too small")63	}64	return len(buffer) - len(w.buf), nil65}66func (w *execContext) serializeCall(c *Call) {67	// Calculate arg offsets within structs.68	// Generate copyin instructions that fill in data into pointer arguments.69	w.writeCopyin(c)70	// Generate checksum calculation instructions starting from the last one,71	// since checksum values can depend on values of the latter ones72	w.writeChecksums()73	// Generate the call itself.74	w.write(uint64(c.Meta.ID))75	if c.Ret != nil && len(c.Ret.uses) != 0 {76		if _, ok := w.args[c.Ret]; ok {77			panic("argInfo is already created for return value")78		}79		w.args[c.Ret] = argInfo{Idx: w.copyoutSeq, Ret: true}80		w.write(w.copyoutSeq)...

serializeCall

Using AI Code Generation

1import (2type SimpleChaincode struct {3}4type A struct {5}6func (t *SimpleChaincode) Init(stub shim.ChaincodeStubInterface) peer.Response {7	return shim.Success(nil)8}9func (t *SimpleChaincode) Invoke(stub shim.ChaincodeStubInterface) peer.Response {10	function, args := stub.GetFunctionAndParameters()11	if function == "write" {12		return t.write(stub, args)13	} else if function == "read" {14		return t.read(stub, args)15	} else if function == "read1" {16		return t.read1(stub, args)17	}18	return shim.Error("Invalid invoke function name. Expecting \"write\" \"read\"")19}20func (t *SimpleChaincode) write(stub shim.ChaincodeStubInterface, args []string) peer.Response {21	a.Age, _ = strconv.Atoi(args[1])22	b, err := json.Marshal(a)23	if err != nil {24		fmt.Println("error:", err)25	}26	err = stub.PutState(args[0], b)27	if err != nil {28		return shim.Error(err.Error())29	}30	return shim.Success(nil)31}32func (t *SimpleChaincode) read(stub shim.ChaincodeStubInterface, args []string) peer.Response {33	valAsbytes, err := stub.GetState(args[0])34	if err != nil {35		jsonResp := "{\"Error\":\"Failed to get state for " + args[0] + "\"}"36		return shim.Error(jsonResp)37	} else if valAsbytes == nil {38		jsonResp := "{\"Error\":\"Nil amount for " + args[0] + "\"}"39		return shim.Error(jsonResp)40	}41	err = json.Unmarshal(valAsbytes, &a)42	if err != nil {43		fmt.Println("error:", err)44	}45	return shim.Success(valAsbytes)46}47func (t *SimpleChaincode) read1(stub shim.ChaincodeStubInterface, args []string) peer.Response {48	valAsbytes, err := stub.GetState(args[0])49	if err != nil {

serializeCall

Using AI Code Generation

1import (2func main() {3	target, err := prog.GetTarget("linux", "amd64")4	if err != nil {5		panic(err)6	}7	p := target.MakeProg()8	v := p.MakeReturnArg(c.Ret)9	for _, a := range c.Args {10		v.AddArg(a.DefaultArg())11	}12	p.Calls = append(p.Calls, &prog.Call{13	})14	data, err := p.Serialize()15	if err != nil {16		panic(err)17	}18	p1, err := target.Deserialize(data)19	if err != nil {20		panic(err)21	}22	fmt.Printf("%v\n", p1)23}

serializeCall

Using AI Code Generation

1import (2type prog struct {3}4func (p prog) add() int {5}6func (p prog) sub() int {7}8func main() {9	p := prog{10, 5}10	file, err := os.Create("prog.obj")11	if err != nil {12		fmt.Println(err)13	}14	encoder := gob.NewEncoder(file)15	encoder.Encode(p)16	file.Close()17	file, err = os.Open("prog.obj")18	if err != nil {19		fmt.Println(err)20	}21	decoder := gob.NewDecoder(file)22	decoder.Decode(&p)23	file.Close()24	fmt.Println(p.add())25	fmt.Println(p.sub())26}

serializeCall

Using AI Code Generation

1import (2type SimpleChaincode struct {3}4func main() {5	fmt.Printf("Hello World")6	err := shim.Start(new(SimpleChaincode))7	if err != nil {8		fmt.Printf("Error starting Simple chaincode: %s", err)9	}10}11func (t *SimpleChaincode) Init(stub shim.ChaincodeStubInterface, function string, args []string) ([]byte, error) {12	if len(args) != 4 {13		return nil, fmt.Errorf("Incorrect number of arguments. Expecting 4. Got: %d.", len(args))14	}15	Aval, err = strconv.Atoi(args[2])16	if err != nil {17		return nil, fmt.Errorf("Expecting integer value for asset holding")18	}19	Bval, err = strconv.Atoi(args[3])20	if err != nil {21		return nil, fmt.Errorf("Expecting integer value for asset holding")22	}23	err = stub.PutState(A, []byte(strconv.Itoa(Aval)))24	if err != nil {25	}26	err = stub.PutState(B, []byte(strconv.Itoa(Bval)))27	if err != nil {28	}29}30func (t *SimpleChaincode) Invoke(stub shim.ChaincodeStubInterface, function string, args []string) ([]byte, error) {31	fmt.Println("Invoke is running " + function)32	if function == "init" {33		return t.Init(stub, "init", args)34	} else if function

serializeCall

Using AI Code Generation

1import (2func main() {3	add := func(a, b int) int {4	}5	serializedAdd := serializeCall(unsafe.Pointer(reflect.ValueOf(add).Pointer()))6	fmt.Println(serializedAdd)7	sub := func(a, b int) int {8	}9	serializedSub := serializeCall(unsafe.Pointer(reflect.ValueOf(sub).Pointer()))10	fmt.Println(serializedSub)11	deserializeCall(serializedAdd, unsafe.Pointer(&x), unsafe.Pointer(&y), unsafe.Pointer(&addResult))12	fmt.Println(addResult)13	deserializeCall(serializedSub, unsafe.Pointer(&x), unsafe.Pointer(&y), unsafe.Pointer(&subResult))14	fmt.Println(subResult)15}

serializeCall

Using AI Code Generation

1import (2func main() {3	prog := new(prog)4	instructions := make([]instruction, 0)5	stack := make([]int, 0)6	vars := make([]int, 0)7	labels := make([]string, 0)8	for i := 0; i < len(args); i++ {9		if _, err := strconv.Atoi(args[i]); err == nil {10			instructions = append(instructions, instruction{args[i], nil})11		} else if strings.Contains(args[i], ":") {12			instructions = append(instructions, instruction{args[i], nil})13			labels = append(labels, args[i])14		} else if strings.Contains(args[i], "var") {15			instructions = append(instructions, instruction{args[i], nil})16			vars = append(vars, 0)17		} else if args[i] == "print" {18			instructions = append(instructions, instruction{args[i], nil})19		} else if args[i] == "push" {20			instructions = append(instructions, instruction{args[i

serializeCall

Using AI Code Generation

1import (2type prog struct {3}4func main() {5	p := prog{6	}7	fmt.Println(serializeCall(p))8}9func serializeCall(arg interface{}) string {

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