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 Go to latest Published: Aug 15, 2018 License: LGPL-3.0-or-later Imports: 15 Imported by: 0

Documentation

Overview

MIT License

Copyright (c) 2016 GenesisCommunity

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

MIT License

Copyright (c) 2016 GenesisCommunity

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

MIT License

Copyright (c) 2016 GenesisCommunity

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

MIT License

Copyright (c) 2016 GenesisCommunity

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

MIT License

Copyright (c) 2016 GenesisCommunity

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

MIT License

Copyright (c) 2016 GenesisCommunity

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

MIT License

Copyright (c) 2016 GenesisCommunity

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

MIT License

Copyright (c) 2016 GenesisCommunity

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Index

Constants

View Source 
const (

	// Decimal is the constant string for decimal type
	Decimal = `decimal.Decimal`
	// Interface is the constant string for interface type
	Interface = `interface`
)
View Source 
const (

	// ObjUnknown is an unknown object. It means something wrong.
	ObjUnknown = iota
	// ObjContract is a contract object.
	ObjContract
	// ObjFunc is a function object. myfunc()
	ObjFunc
	// ObjExtFunc is an extended function object. $myfunc()
	ObjExtFunc
	// ObjVar is a variable. myvar
	ObjVar
	// ObjExtend is an extended variable. $myvar
	ObjExtend

	// CostCall is the cost of the function calling
	CostCall = 50
	// CostContract is the cost of the contract calling
	CostContract = 100
	// CostExtend is the cost of the extend function calling
	CostExtend = 10
	// CostDefault is the default maximum cost of F
	CostDefault = int64(10000000)

	// VMTypeSmart is smart vm type
	VMTypeSmart VMType = 1
	// VMTypeVDE is vde vm type
	VMTypeVDE VMType = 2
	// VMTypeVDEMaster is VDEMaster type
	VMTypeVDEMaster VMType = 3

	TagFile      = "file"
	TagAddress   = "address"
	TagSignature = "signature"
	TagOptional  = "optional"
)

Variables

View Source 
var ErrMemoryLimit = errors.New("Memory limit exceeded")

Functions

func ContractsList 

func ContractsList(value string) ([]string, error)

ContractsList returns list of contracts names from source of code

func ExContract 

func ExContract(rt *RunTime, state uint32, name string, params map[string]interface{}) (interface{}, error)

ExContract executes the name contract in the state with specified parameters

func ExecContract 

func ExecContract(rt *RunTime, name, txs string, params ...interface{}) (interface{}, error)

ExecContract runs the name contract where txs contains the list of parameters and params are the values of parameters

func GetSettings 

func GetSettings(rt *RunTime, cntname, name string) (interface{}, error)

GetSettings returns the value of the parameter

func MemoryUsage 

func MemoryUsage(rt *RunTime) int64

func ParseContract 

func ParseContract(in string) (id uint64, name string)

ParseContract gets a state identifier and the name of the contract from the full name like @[id]name

func SetVMError 

func SetVMError(eType string, eText interface{}) error

SetVMError sets error of VM

func StateName 

func StateName(state uint32, name string) string

StateName checks the name of the contract and modifies it to @[state]name if it is necessary.

func ValueToDecimal 

func ValueToDecimal(v interface{}) (ret decimal.Decimal, err error)

ValueToDecimal converts interface (string, float64, Decimal or int64) to Decimal

func ValueToFloat 

func ValueToFloat(v interface{}) (ret float64)

ValueToFloat converts interface (string, float64 or int64) to float64

Types

type Block 

type Block struct {
	Objects  map[string]*ObjInfo
	Type     int
	Owner    *OwnerInfo
	Info     interface{}
	Parent   *Block
	Vars     []reflect.Type
	Code     ByteCodes
	Children Blocks
}

Block contains all information about compiled block {...} and its children

type Blocks 

type Blocks []*Block

Blocks is a slice of blocks

type ByteCode 

type ByteCode struct {
	Cmd   uint16
	Value interface{}
}

ByteCode stores a command and an additional parameter.

type ByteCodes 

type ByteCodes []*ByteCode

ByteCodes is the slice of ByteCode items

type ContractInfo 

type ContractInfo struct {
	ID       uint32
	Name     string
	Owner    *OwnerInfo
	Used     map[string]bool // Called contracts
	Tx       *[]*FieldInfo
	Settings map[string]interface{}
}

ContractInfo contains the contract information

type ExtFuncInfo 

type ExtFuncInfo struct {
	Name     string
	Params   []reflect.Type
	Results  []reflect.Type
	Auto     []string
	Variadic bool
	Func     interface{}
}

ExtFuncInfo is the structure for the extrended function

type ExtendData 

type ExtendData struct {
	Objects  map[string]interface{}
	AutoPars map[string]string
}

ExtendData is used for the definition of the extended functions and variables

type FieldInfo 

type FieldInfo struct {
	Name string
	Type reflect.Type
	Tags string
}

FieldInfo describes the field of the data structure

func (*FieldInfo) ContainsTag 

func (fi *FieldInfo) ContainsTag(tag string) bool

ContainsTag returns whether the tag is contained in this field

type FuncInfo 

type FuncInfo struct {
	Params   []reflect.Type
	Results  []reflect.Type
	Names    *map[string]FuncName
	Variadic bool
	ID       uint32
}

FuncInfo contains the function information

type FuncName 

type FuncName struct {
	Params   []reflect.Type
	Offset   []int
	Variadic bool
}

FuncName is storing param of FuncName

type FuncNameCmd 

type FuncNameCmd struct {
	Name  string
	Count int
}

FuncNameCmd for cmdFuncName

type IndexInfo 

type IndexInfo struct {
	VarOffset int
	Owner     *Block
	Extend    string
}

IndexInfo contains the information for SetIndex

type Lexem 

type Lexem struct {
	Type   uint32      // Type of the lexem
	Value  interface{} // Value of lexem
	Line   uint32      // Line of the lexem
	Column uint32      // Position inside the line
}

Lexem contains information about language item

func (Lexem) GetLogger 

func (l Lexem) GetLogger() *log.Entry

GetLogger returns logger

type Lexems 

type Lexems []*Lexem

Lexems is a slice of lexems

type ObjInfo 

type ObjInfo struct {
	Type  int
	Value interface{}
}

ObjInfo is the common object type

type OwnerInfo 

type OwnerInfo struct {
	StateID  uint32 `json:"state"`
	Active   bool   `json:"active"`
	TableID  int64  `json:"tableid"`
	WalletID int64  `json:"walletid"`
	TokenID  int64  `json:"tokenid"`
}

OwnerInfo storing info about owner

type RunTime 

type RunTime struct {
	// contains filtered or unexported fields
}

RunTime is needed for the execution of the byte-code

func (*RunTime) Cost 

func (rt *RunTime) Cost() int64

Cost return the remain cost of the execution.

func (*RunTime) Run 

func (rt *RunTime) Run(block *Block, params []interface{}, extend *map[string]interface{}) (ret []interface{}, err error)

Run executes Block with the specified parameters and extended variables and functions

func (*RunTime) RunCode 

func (rt *RunTime) RunCode(block *Block) (status int, err error)

RunCode executes Block

func (*RunTime) SetCost 

func (rt *RunTime) SetCost(cost int64)

SetCost sets the max cost of the execution.

type Stacker 

type Stacker interface {
	AppendStack(contract string) error
}

Stacker represents interface for working with call stack

type VM 

type VM struct {
	Block
	ExtCost     func(string) int64
	FuncCallsDB map[string]struct{}
	Extern      bool // extern mode of compilation
	// contains filtered or unexported fields
}

VM is the main type of the virtual machine

func NewVM 

func NewVM() *VM

NewVM creates a new virtual machine

func (*VM) Call 

func (vm *VM) Call(name string, params []interface{}, extend *map[string]interface{}) (ret []interface{}, err error)

Call executes the name object with the specified params and extended variables and functions

func (*VM) Compile 

func (vm *VM) Compile(input []rune, owner *OwnerInfo) error

Compile compiles a source code and loads the byte-code into the virtual machine

func (*VM) CompileBlock 

func (vm *VM) CompileBlock(input []rune, owner *OwnerInfo) (*Block, error)

CompileBlock compile the source code into the Block structure with a byte-code

func (*VM) CompileEval 

func (vm *VM) CompileEval(input string, state uint32) error

CompileEval compiles conditional exppression

func (*VM) EvalIf 

func (vm *VM) EvalIf(input string, state uint32, vars *map[string]interface{}) (bool, error)

EvalIf runs the conditional expression. It compiles the source code before that if that's necessary.

func (*VM) Extend 

func (vm *VM) Extend(ext *ExtendData)

Extend sets the extended variables and functions

func (*VM) FlushBlock 

func (vm *VM) FlushBlock(root *Block)

FlushBlock loads the compiled Block into the virtual machine

func (*VM) FlushExtern 

func (vm *VM) FlushExtern()

FlushExtern switches off the extern mode of the compilation

func (*VM) RunInit 

func (vm *VM) RunInit(cost int64) *RunTime

RunInit creates a new RunTime for the virtual machine

type VMError 

type VMError struct {
	Type  string `json:"type"`
	Error string `json:"error"`
}

VMError represents error of VM

type VMType 

type VMType int

VMType is virtual machine type

type VarInfo 

type VarInfo struct {
	Obj   *ObjInfo
	Owner *Block
}

VarInfo contains the variable information

Source Files

View all Source files

Directories

Path Synopsis
MIT License
 MIT License

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