How to use Error method of vmimpl Package

Best Syzkaller code snippet using vmimpl.Error

vm_manager.go

Source:vm_manager.go Github

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...64 })65 if value.IsValid() && value.Type().Kind() == reflect.Struct {66 return value.Interface(), nil67 }68 return nil, fmt.Errorf("config for %s not found", name)69}70// RegisterSyscallService implements bridge.Executor71func (v *VMManager) RegisterSyscallService(syscall *bridge.SyscallService) {72 v.syscall = syscall73 vmconfig, _ := v.getVMConfig(v.config.Driver)74 vmimpl, err := vm.Open(v.config.Driver, &vm.InstanceCreatorConfig{75 Basedir: filepath.Join(v.basedir, v.config.Driver),76 SyscallService: syscall,77 VMConfig: vmconfig,78 DebugLogger: v.debugLogger,79 })80 if err != nil {81 panic(err)82 }83 v.vmimpl = vmimpl84}85func ContractCodeDescKey(contractName string) []byte {86 return []byte(contractName + "." + "desc")87}88func contractCodeKey(contractName string) []byte {89 return []byte(contractName + "." + "code")90}91// NewInstance implements bridge.Executor92func (v *VMManager) NewInstance(ctx *bridge.Context) (bridge.Instance, error) {93 desc, err := newCodeProvider(ctx.Cache).GetContractCodeDesc(ctx.ContractName)94 if err != nil {95 return nil, err96 }97 cp := newDescProvider(v.codeProvider, desc)98 ins, err := v.vmimpl.CreateInstance(ctx, cp)99 if err != nil {100 return nil, err101 }102 return &bridgeInstance{103 ctx: ctx,104 vmInstance: ins,105 codeDesc: desc,106 }, nil107}108// TODO:校验名字109func (v *VMManager) verifyContractName(name string) error {110 return nil111}112// DeployContract deploy contract and initialize contract113func (v *VMManager) DeployContract(contextConfig *contract.ContextConfig, args map[string][]byte) ([]byte, contract.Limits, error) {114 store := contextConfig.XMCache115 name := args["contract_name"]116 if name == nil {117 return nil, contract.Limits{}, errors.New("bad contract name")118 }119 contractName := string(name)120 err := v.verifyContractName(contractName)121 if err != nil {122 return nil, contract.Limits{}, err123 }124 _, err = v.codeProvider.GetContractCodeDesc(contractName)125 if err == nil {126 return nil, contract.Limits{}, fmt.Errorf("contract %s already exists", contractName)127 }128 code := args["contract_code"]129 if code == nil {130 return nil, contract.Limits{}, errors.New("missing contract code")131 }132 initArgsBuf := args["init_args"]133 if initArgsBuf == nil {134 return nil, contract.Limits{}, errors.New("missing args field in args")135 }136 var initArgs map[string][]byte137 err = json.Unmarshal(initArgsBuf, &initArgs)138 if err != nil {139 return nil, contract.Limits{}, err140 }141 descbuf := args["contract_desc"]142 var desc pb.WasmCodeDesc143 err = proto.Unmarshal(descbuf, &desc)144 if err != nil {145 return nil, contract.Limits{}, err146 }147 desc.Digest = hash.DoubleSha256(code)148 descbuf, _ = proto.Marshal(&desc)149 store.Put("contract", ContractCodeDescKey(contractName), descbuf)150 store.Put("contract", contractCodeKey(contractName), code)151 // 由于部署合约的时候代码还没有持久化，构造一个从ModelCache获取代码的对象152 // 在执行init函数的时候，代码已经进入vm cache，因此使用VMManager的默认CodeProvider没有问题153 // FIXME: 确保InstanceCreator缓存了已经编译的代码154 cp := newCodeProvider(store)155 instance, err := v.vmimpl.CreateInstance(&bridge.Context{156 ContractName: contractName,157 ResourceLimits: contextConfig.ResourceLimits,158 }, cp)159 if err != nil {160 v.vmimpl.RemoveCache(contractName)161 log.Error("create contract instance error when deploy contract", "error", err, "contract", contractName)162 return nil, contract.Limits{}, err163 }164 instance.Release()165 initConfig := *contextConfig166 initConfig.ContractName = contractName167 out, resourceUsed, err := v.initContract(&initConfig, initArgs)168 if err != nil {169 if _, ok := err.(*bridge.ContractError); !ok {170 v.vmimpl.RemoveCache(contractName)171 }172 log.Error("call contract initialize method error", "error", err, "contract", contractName)173 return nil, contract.Limits{}, err174 }175 return out, resourceUsed, nil176}177func (v *VMManager) initContract(contextConfig *contract.ContextConfig, args map[string][]byte) ([]byte, contract.Limits, error) {178 vm, ok := v.xbridge.GetVirtualMachine("wasm")179 if !ok {180 return nil, contract.Limits{}, errors.New("wasm vm not registered")181 }182 ctx, err := vm.NewContext(contextConfig)183 if err != nil {184 return nil, contract.Limits{}, err185 }186 out, err := ctx.Invoke("initialize", args)...

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adaptor.go

Source:adaptor.go Github

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...3 "fmt"4 "github.com/BeDreamCoder/uwavm/contract/go/pb"5 "github.com/BeDreamCoder/uwavm/vm/gas"6)7// ContractError indicates the error of the contract running result8type ContractError struct {9 Status int10 Message string11}12// Error implements error interface13func (c *ContractError) Error() string {14 return fmt.Sprintf("contract error status:%d message:%s", c.Status, c.Message)15}16// contractHandle 为vm.Context的实现，17// 它组合了合约内核态数据(cts)以及用户态的虚拟机数据(instance)18type contractHandle struct {19 cts *ContractState20 instance Instance21 release func()22}23func (c *contractHandle) Invoke(method string, args map[string][]byte) (*pb.Response, error) {24 c.cts.Method = method25 c.cts.Args = args26 err := c.instance.Exec("")27 if err != nil {28 return nil, err29 }30 if c.cts.Output == nil {31 return nil, &ContractError{32 Status: 500,33 Message: "internal error",34 }35 }36 return c.cts.Output, nil37}38func (c *contractHandle) ResourceUsed() gas.Limits {39 return c.instance.ResourceUsed()40}41func (c *contractHandle) ReleaseCache() error {42 // release the context of instance43 c.instance.Release()44 c.release()45 return nil...

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Error

Using AI Code Generation

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1import (2func main() {3 vm := otto.New()4 vm.Run(`5 var a = 1;6 var b = 2;7 var c = a + b;8 var d = "Hello " + "World!";9 var e = c + d;10 fmt.Println(vm.Get("e").String())11}12import (13func main() {14 vm := otto.New()15 vm.Run(`16 var a = 1;17 var b = 2;18 var c = a + b;19 var d = "Hello " + "World!";20 var e = c + d;21 fmt.Println(vm.Get("e").String())22}23import (24func main() {25 vm := otto.New()26 vm.Run(`27 var a = 1;28 var b = 2;29 var c = a + b;30 var d = "Hello " + "World!";31 var e = c + d;32 fmt.Println(vm.Get("e").String())33}34import (35func main() {36 vm := otto.New()37 vm.Run(`38 var a = 1;39 var b = 2;40 var c = a + b;41 var d = "Hello " + "World!";42 var e = c + d;43 fmt.Println(vm.Get("e").String())44}45import (

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Error

Using AI Code Generation

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1import (2func main() {3 v := vmimpl.NewVM(1024, 1024)4 err := v.Start()5 if err != nil {6 fmt.Println(err)7 }8}9import (10func main() {11 v := vmimpl.NewVM(1024, 1024)12 err := v.Start()13 if err == vmimpl.ErrNotEnoughMem {14 fmt.Println("Not enough memory")15 } else if err == vmimpl.ErrNotEnoughDisk {16 fmt.Println("Not enough disk space")17 } else if err != nil {18 fmt.Println(err)19 }20}21import (22func main() {23 v := vmimpl.NewVM(1024, 1024)24 err := v.Start()25 if err != nil {26 fmt.Println(err)27 }28}29import (30func main() {31 v := vmimpl.NewVM(1024, 1024)32 err := v.Start()33 if err != nil {34 fmt.Println(err)35 }36}37import (38func main() {39 v := vmimpl.NewVM(1024, 1024)40 err := v.Start()41 if err != nil {42 fmt.Println(err)43 }44}45import (46func main() {47 v := vmimpl.NewVM(1024, 1024)48 err := v.Start()49 if err != nil {50 fmt.Println(err)51 }52}53import (54func main() {55 v := vmimpl.NewVM(1024, 1024)56 err := v.Start()57 if err != nil {58 fmt.Println(err)

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Error

Using AI Code Generation

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1func main() {2 err = vmimpl.Error("Error Occured")3 fmt.Println(err)4}5func main() {6 err = vmimpl.Error("Error Occured")7 fmt.Println(err)8}9func main() {10 err = vmimpl.Error("Error Occured")11 fmt.Println(err)12}13func main() {14 err = vmimpl.Error("Error Occured")15 fmt.Println(err)16}17func main() {18 err = vmimpl.Error("Error Occured")19 fmt.Println(err)20}21func main() {22 err = vmimpl.Error("Error Occured")23 fmt.Println(err)24}25func main() {26 err = vmimpl.Error("Error Occured")27 fmt.Println(err)28}29func main() {30 err = vmimpl.Error("Error Occured")31 fmt.Println(err)32}33func main() {34 err = vmimpl.Error("Error Occured")35 fmt.Println(err)36}37func main() {38 err = vmimpl.Error("Error Occured")39 fmt.Println(err)40}41func main() {42 err = vmimpl.Error("Error Occured")43 fmt.Println(err)44}45func main() {

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Error

Using AI Code Generation

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1import (2func main() {3 vm := vmimpl.New()4 vm.Run("2.go")5 fmt.Println(vm.Error())6}7import (8func main() {9 vm := vmimpl.New()10 vm.Run("3.go")11 fmt.Println(vm.Error())12}13import (14func main() {15 vm := vmimpl.New()16 vm.Run("4.go")17 fmt.Println(vm.Error())18}19import (20func main() {21 vm := vmimpl.New()22 vm.Run("5.go")23 fmt.Println(vm.Error())24}25import (26func main() {27 vm := vmimpl.New()28 vm.Run("6.go")29 fmt.Println(vm.Error())30}31import (32func main() {33 vm := vmimpl.New()34 vm.Run("7.go")35 fmt.Println(vm.Error())36}37import (

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Error

Using AI Code Generation

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1import (2func main() {3 vm := vmimpl.NewVM()4 vm.Error("Error: Unable to connect to server")5}6import (7func main() {8 vm := vmimpl.NewVM()9 vm.Error("Error: Unable to connect to server")10}11import (12func main() {13 vm := vmimpl.NewVM()14 vm.Error("Error: Unable to connect to server")15}16import (17func main() {18 vm := vmimpl.NewVM()19 vm.Error("Error: Unable to connect to server")20}21import (22func main() {23 vm := vmimpl.NewVM()24 vm.Error("Error: Unable to connect to server")25}26import (27func main() {28 vm := vmimpl.NewVM()29 vm.Error("Error: Unable to connect to server")30}31import (32func main() {33 vm := vmimpl.NewVM()34 vm.Error("Error: Unable to connect to server")35}36import (37func main() {38 vm := vmimpl.NewVM()39 vm.Error("Error: Unable to connect to server")40}41import (42func main() {43 vm := vmimpl.NewVM()44 vm.Error("Error: Unable to connect to server")45}

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Error

Using AI Code Generation

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1import (2func main() {3 vm := NewVM()4 pp.Println("vmimpl", vm)5 fmt.Println("vmimpl", vm.Error())6}7import (8func main() {9 vm := NewVM()10 pp.Println("vmimpl", vm)11 fmt.Println("vmimpl", vm.Error())12}13import (14func main() {15 vm := NewVM()16 pp.Println("vmimpl", vm)17 fmt.Println("vmimpl", vm.Error())18}19import (20func main() {21 vm := NewVM()22 pp.Println("vmimpl", vm)23 fmt.Println("vmimpl", vm.Error())24}25import (26func main() {27 vm := NewVM()28 pp.Println("vmimpl", vm)29 fmt.Println("vmimpl", vm.Error())30}31import (32func main() {33 vm := NewVM()34 pp.Println("vmimpl", vm)35 fmt.Println("vmimpl", vm.Error())36}37import (38func main() {39 vm := NewVM()40 pp.Println("vmimpl", vm)41 fmt.Println("vmimpl", vm.Error())42}43import (

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Error

Using AI Code Generation

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1import (2func main() {3 v := vmimpl.NewVM()4 v.Load("2.vm")5 err := v.Run()6 fmt.Println(err)7}

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Error

Using AI Code Generation

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1import (2func main() {3 vm := NewVM()4 if err := vm.Run([]byte("1+1")); err != nil {5 log.Fatal(err)6 }7 fmt.Println(vm.Get())8}9import (10type vmimpl struct {11}12func (v *vmimpl) Error() string {13 return fmt.Sprintf("syntax error: unexpected '%c', expecting operand", v.token)14}15func NewVM() VM {16 return &vmimpl{}17}18import (19type vmimpl struct {20}21func (v *vmimpl) Error() string {22 return fmt.Sprintf("syntax error: unexpected '%c', expecting operand", v.token)23}24func NewVM() VM {25 return &vmimpl{}26}27func main() {28 vm := NewVM()29 if err := vm.Run([]byte("1+1")); err != nil {30 log.Fatal(err)31 }32 fmt.Println(vm.Get())33}

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