vm

package
v0.0.0-...-c6cf726 Latest Latest
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 Go to latest Published: Aug 16, 2020 License: Apache-2.0 Imports: 11 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	PUSH = iota
	DUP
	ROLL
	POP
	ADD
	SUB
	MULT
	DIV
	MOD
	NEG
	EQ
	NEQ
	LT
	GT
	LTE
	GTE
	SHIFTL
	SHIFTR
	NOP
	JMP
	JMPIF
	CALL
	CALLIF
	CALLEXT
	RET
	SIZE
	STORE
	SSTORE
	LOAD
	SLOAD
	ADDRESS // Address of account
	ISSUER  // Owner of smart contract account
	BALANCE // Balance of account
	CALLER
	CALLVAL  // Amount of bazo coins transacted in transaction
	CALLDATA // Parameters and function signature hash
	NEWMAP
	MAPHASKEY
	MAPPUSH
	MAPGETVAL
	MAPSETVAL
	MAPREMOVE
	NEWARR
	ARRAPPEND
	ARRINSERT
	ARRREMOVE
	ARRAT
	SHA3
	CHECKSIG
	ERRHALT
	HALT
)
View Source 
const (
	BYTES = iota + 1
	BYTE
	LABEL
	ADDR
)
View Source 
const UINT16_MAX uint16 = 65535

Variables

View Source 
var OpCodes = []OpCode{
	{PUSH, "push", 1, []int{BYTES}, 1, 1},
	{DUP, "dup", 0, nil, 1, 2},
	{ROLL, "roll", 1, []int{BYTE}, 1, 2},
	{POP, "pop", 0, nil, 1, 1},
	{ADD, "add", 0, nil, 1, 2},
	{SUB, "sub", 0, nil, 1, 2},
	{MULT, "mult", 0, nil, 1, 2},
	{DIV, "div", 0, nil, 1, 2},
	{MOD, "mod", 0, nil, 1, 2},
	{NEG, "neg", 0, nil, 1, 2},
	{EQ, "eq", 0, nil, 1, 2},
	{NEQ, "neq", 0, nil, 1, 2},
	{LT, "lt", 0, nil, 1, 2},
	{GT, "gt", 0, nil, 1, 2},
	{LTE, "lte", 0, nil, 1, 2},
	{GTE, "gte", 0, nil, 1, 2},
	{SHIFTL, "shiftl", 1, []int{BYTE}, 1, 2},
	{SHIFTR, "shiftl", 1, []int{BYTE}, 1, 2},
	{NOP, "nop", 0, nil, 1, 1},
	{JMP, "jmp", 1, []int{LABEL}, 1, 1},
	{JMPIF, "jmpif", 1, []int{LABEL}, 1, 1},
	{CALL, "call", 2, []int{LABEL, BYTE}, 1, 1},
	{CALLIF, "callif", 2, []int{LABEL, BYTE}, 1, 1},
	{CALLEXT, "callext", 3, []int{ADDR, BYTE, BYTE, BYTE, BYTE, BYTE}, 1000, 2},
	{RET, "ret", 0, nil, 1, 1},
	{SIZE, "size", 0, nil, 1, 1},
	{STORE, "store", 0, nil, 1, 2},
	{SSTORE, "sstore", 1, []int{BYTE}, 1000, 2},
	{LOAD, "load", 1, []int{BYTE}, 1, 2},
	{SLOAD, "sload", 1, []int{BYTE}, 10, 2},
	{ADDRESS, "address", 0, nil, 1, 1},
	{ISSUER, "issuer", 0, nil, 1, 1},
	{BALANCE, "balance", 0, nil, 1, 1},
	{CALLER, "caller", 0, nil, 1, 1},
	{CALLVAL, "callval", 0, nil, 1, 1},
	{CALLDATA, "calldata", 0, nil, 1, 1},
	{NEWMAP, "newmap", 0, nil, 1, 2},
	{MAPHASKEY, "maphaskey", 0, nil, 1, 2},
	{MAPPUSH, "mappush", 0, nil, 1, 2},
	{MAPGETVAL, "mapgetval", 0, nil, 1, 2},
	{MAPSETVAL, "mapsetval", 0, nil, 1, 2},
	{MAPREMOVE, "mapremove", 0, nil, 1, 2},
	{NEWARR, "newarr", 0, nil, 1, 2},
	{ARRAPPEND, "arrappend", 0, nil, 1, 2},
	{ARRINSERT, "arrinsert", 0, nil, 1, 2},
	{ARRREMOVE, "arrremove", 0, nil, 1, 2},
	{ARRAT, "arrat", 0, nil, 1, 2},
	{SHA3, "sha3", 0, nil, 1, 2},
	{CHECKSIG, "checksig", 0, nil, 1, 2},
	{ERRHALT, "errhalt", 0, nil, 0, 1},
	{HALT, "halt", 0, nil, 0, 1},
}

Functions

func BigIntToPushableBytes 

func BigIntToPushableBytes(element big.Int) []byte

func BigIntToString 

func BigIntToString(element big.Int) string

func BoolToByteArray 

func BoolToByteArray(value bool) []byte

func ByteArrayToBool 

func ByteArrayToBool(ba []byte) bool

func ByteArrayToInt 

func ByteArrayToInt(element []byte) int

func ByteArrayToUI16 

func ByteArrayToUI16(element []byte) (uint16, error)

func SignedBigIntConversion 

func SignedBigIntConversion(ba []byte, err error) (big.Int, error)

func SignedByteArrayConversion 

func SignedByteArrayConversion(bi big.Int) []byte

func StrToBigInt 

func StrToBigInt(element string) big.Int

func UInt16ToByteArray 

func UInt16ToByteArray(element uint16) []byte

func UInt64ToByteArray 

func UInt64ToByteArray(element uint64) []byte

func UnsignedBigIntConversion 

func UnsignedBigIntConversion(ba []byte, err error) (big.Int, error)

Types

type Array 

type Array []byte

func ArrayFromByteArray 

func ArrayFromByteArray(arr []byte) (Array, error)

func NewArray 

func NewArray() Array

func (*Array) Append 

func (a *Array) Append(ba []byte) error

func (*Array) At 

func (a *Array) At(index uint16) ([]byte, error)

func (*Array) DecrementSize 

func (a *Array) DecrementSize() error

func (*Array) IncrementSize 

func (a *Array) IncrementSize() error

func (*Array) Insert 

func (a *Array) Insert(index uint16, element []byte) error

func (*Array) Remove 

func (a *Array) Remove(index uint16) error

type CallStack 

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

func NewCallStack 

func NewCallStack() *CallStack

func (CallStack) GetLength 

func (cs CallStack) GetLength() int

func (*CallStack) Peek 

func (cs *CallStack) Peek() (frame *Frame, err error)

func (*CallStack) Pop 

func (cs *CallStack) Pop() (frame *Frame, err error)

func (*CallStack) Push 

func (cs *CallStack) Push(element *Frame)

type Context 

type Context interface {
	GetContract() []byte
	GetContractVariable(index int) ([]byte, error)
	SetContractVariable(index int, value []byte) error
	GetAddress() [64]byte
	GetIssuer() [32]byte
	GetBalance() uint64
	GetSender() [32]byte
	GetAmount() uint64
	GetTransactionData() []byte
	GetFee() uint64
	GetSig1() [64]byte
}

type Frame 

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

type Map 

type Map []byte

func MapFromByteArray 

func MapFromByteArray(m []byte) (Map, error)

func NewMap 

func NewMap() Map

func (*Map) Append 

func (m *Map) Append(key []byte, value []byte) error

func (*Map) DecrementSize 

func (m *Map) DecrementSize() error

func (*Map) GetVal 

func (m *Map) GetVal(key []byte) ([]byte, error)

func (*Map) IncrementSize 

func (m *Map) IncrementSize()

func (*Map) MapContainsKey 

func (m *Map) MapContainsKey(key []byte) (bool, error)

func (*Map) Remove 

func (m *Map) Remove(key []byte) error

func (*Map) SetVal 

func (m *Map) SetVal(key []byte, value []byte) error

type MockContext 

type MockContext struct {
	protocol.Context
}

func NewMockContext 

func NewMockContext(byteCode []byte) *MockContext

func (*MockContext) SetContract 

func (mc *MockContext) SetContract(contract []byte)

type OpCode 

type OpCode struct {
	Name     string
	Nargs    int
	ArgTypes []int
	// contains filtered or unexported fields
}

type Stack 

type Stack struct {
	Stack []protocol.ByteArray
	// contains filtered or unexported fields
}

func NewStack 

func NewStack() *Stack

func (Stack) GetLength 

func (s Stack) GetLength() int

func (*Stack) PeekBytes 

func (s *Stack) PeekBytes() (element []byte, err error)

func (*Stack) Pop 

func (s *Stack) Pop() (element []byte, err error)

func (*Stack) PopIndexAt 

func (s *Stack) PopIndexAt(index int) ([]byte, error)

func (*Stack) Push 

func (s *Stack) Push(element []byte) error

type VM 

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

func NewTestVM 

func NewTestVM(byteCode []byte) VM

func NewVM 

func NewVM(context Context) VM

func (*VM) Exec 

func (vm *VM) Exec(trace bool) bool

func (*VM) GetErrorMsg 

func (vm *VM) GetErrorMsg() string

func (*VM) PopBytes 

func (vm *VM) PopBytes(opCode OpCode) (elements []byte, err error)

func (*VM) PopSignedBigInt 

func (vm *VM) PopSignedBigInt(opCode OpCode) (bigInt big.Int, err error)

func (*VM) PopUnsignedBigInt 

func (vm *VM) PopUnsignedBigInt(opCode OpCode) (bigInt big.Int, err error)

Source Files

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