gevm

package
v0.0.0-...-07304bf Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Jul 10, 2024 License: MIT Imports: 9 Imported by: 0

Documentation

Index

Constants

View Source 
const MAX_STACK_SIZE = 1024

Variables

View Source 
var (
	ErrStackOverflow  = errors.New("stack overflow")
	ErrStackUnderflow = errors.New("stack underflow")
)

Functions

func LogEVMLogs 

func LogEVMLogs(totalGasUsed uint64, evm *EVM)

Types

type Block 

type Block struct {
	Coinbase  common.Address
	GasPrice  uint64
	Number    uint64
	Timestamp time.Time
	BaseFee   uint64
}

Block represents a block.

func NewBlock 

func NewBlock(coinbase common.Address, gasPrice, number, difficulty, baseFee uint64, timeStamp time.Time) *Block

NewBlock creates a new block instance.

type ChainConfig 

type ChainConfig struct {
	ChainID  uint64
	GasLimit uint64
}

ChainConfig stores network configuration parameters.

type EVM 

type EVM struct {
	ExecutionRuntime
	ExecutionEnvironment
	TransactionContext
	ChainConfig
}

EVM represents an Ethereum Virtual Machine instance.

func NewEVM 

func NewEVM(sender common.Address, gas, value, chainID, gasLimit uint64, code, calldata []byte, blockInfo *Block) *EVM

func (*EVM) Data 

func (evm *EVM) Data() []uint256.Int

func (*EVM) Run 

func (evm *EVM) Run()

type ExecutionEnvironment 

type ExecutionEnvironment struct {
	Stack     *Stack
	Memory    *Memory
	Storage   *Storage
	Transient *TransientStorage
}

ExecutionEnvironment encapsulates the EVM execution data environment.

type ExecutionRuntime 

type ExecutionRuntime struct {
	PC         uint64
	Code       []byte
	Gas        uint64
	Refund     uint64
	StopFlag   bool
	RevertFlag bool
	ReturnData []byte
	LogRecord  *LogRecord
	Block      *Block
}

ExecutionRuntime represents the execution runtime during EVM execution.

type JumpTable 

type JumpTable map[Opcode]func(*EVM)

JumpTable maps opcodes to their corresponding instruction functions.

func NewJumpTable 

func NewJumpTable() JumpTable

NewJumpTable creates and returns a new JumpTable for the EVM.

type Log 

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

type LogRecord 

type LogRecord []Log

func NewLogRecord 

func NewLogRecord() *LogRecord

func (*LogRecord) AddLog 

func (l *LogRecord) AddLog(topics []common.Hash, data []byte)

func (*LogRecord) String 

func (l *LogRecord) String() string

type Memory 

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

func NewMemory 

func NewMemory() *Memory

func (*Memory) Access 

func (mem *Memory) Access(offset, size uint64) (cpy []byte)

func (*Memory) Data 

func (mem *Memory) Data() []byte

func (*Memory) Len 

func (mem *Memory) Len() int

func (*Memory) Load 

func (mem *Memory) Load(offset uint64) []byte

func (*Memory) Store 

func (mem *Memory) Store(offset uint64, value []byte) (expansionCost uint64)

func (*Memory) Store32 

func (mem *Memory) Store32(offset uint64, value []byte) (expansionCost uint64)

type Opcode 

type Opcode byte
const (
	ADD        Opcode = 0x1
	MUL        Opcode = 0x2
	SUB        Opcode = 0x3
	DIV        Opcode = 0x4
	SDIV       Opcode = 0x5
	MOD        Opcode = 0x6
	SMOD       Opcode = 0x7
	ADDMOD     Opcode = 0x8
	MULMOD     Opcode = 0x9
	EXP        Opcode = 0xA
	SIGNEXTEND Opcode = 0xB
)

Math 

const (
	LT     Opcode = 0x10
	GT     Opcode = 0x11
	SLT    Opcode = 0x12
	SGT    Opcode = 0x13
	EQ     Opcode = 0x14
	ISZERO Opcode = 0x15
)

Comparisons 

const (
	AND Opcode = 0x16
	OR  Opcode = 0x17
	XOR Opcode = 0x18
	NOT Opcode = 0x19
)

Logic 

const (
	BYTE Opcode = 0x1A
	SHL  Opcode = 0x1B
	SHR  Opcode = 0x1C
	SAR  Opcode = 0x1D
)

Bit Operations 

const (
	ADDRESS        Opcode = 0x30
	BALANCE        Opcode = 0x31
	ORIGIN         Opcode = 0x32
	CALLER         Opcode = 0x33
	CALLVALUE      Opcode = 0x34
	CALLDATALOAD   Opcode = 0x35
	CALLDATASIZE   Opcode = 0x36
	CALLDATACOPY   Opcode = 0x37
	CODESIZE       Opcode = 0x38
	CODECOPY       Opcode = 0x39
	GASPRICE       Opcode = 0x3A
	GAS            Opcode = 0x5A
	EXTCODESIZE    Opcode = 0x3B
	EXTCODECOPY    Opcode = 0x3C
	RETURNDATASIZE Opcode = 0x3D
	RETURNDATACOPY Opcode = 0x3E
	EXTCODEHASH    Opcode = 0x3F
	BLOCKHASH      Opcode = 0x40
	COINBASE       Opcode = 0x41
	TIMESTAMP      Opcode = 0x42
	NUMBER         Opcode = 0x43
	PREVRANDAO     Opcode = 0x44
	GASLIMIT       Opcode = 0x45
	CHAINID        Opcode = 0x46
	SELFBALANCE    Opcode = 0x47
	BASEFEE        Opcode = 0x48
)

Ethereum State 

const (
	MLOAD   Opcode = 0x51
	MSTORE  Opcode = 0x52
	MSTORE8 Opcode = 0x53
	MSIZE   Opcode = 0x59
	MCOPY   Opcode = 0x5e
)

Memory 

const (
	SLOAD  Opcode = 0x54
	SSTORE Opcode = 0x55
)

Storage 

const (
	JUMP     Opcode = 0x56
	JUMPI    Opcode = 0x57
	PC       Opcode = 0x58
	JUMPDEST Opcode = 0x5B
)

Jump 

const (
	TLOAD  Opcode = 0x5c
	TSTORE Opcode = 0x5d
)

Transient Storage 

const (
	PUSH0  Opcode = 0x5F
	PUSH1  Opcode = 0x60
	PUSH2  Opcode = 0x61
	PUSH3  Opcode = 0x62
	PUSH4  Opcode = 0x63
	PUSH5  Opcode = 0x64
	PUSH6  Opcode = 0x65
	PUSH7  Opcode = 0x66
	PUSH8  Opcode = 0x67
	PUSH9  Opcode = 0x68
	PUSH10 Opcode = 0x69
	PUSH11 Opcode = 0x6A
	PUSH12 Opcode = 0x6B
	PUSH13 Opcode = 0x6C
	PUSH14 Opcode = 0x6D
	PUSH15 Opcode = 0x6E
	PUSH16 Opcode = 0x6F
	PUSH17 Opcode = 0x70
	PUSH18 Opcode = 0x71
	PUSH19 Opcode = 0x72
	PUSH20 Opcode = 0x73
	PUSH21 Opcode = 0x74
	PUSH22 Opcode = 0x75
	PUSH23 Opcode = 0x76
	PUSH24 Opcode = 0x77
	PUSH25 Opcode = 0x78
	PUSH26 Opcode = 0x79
	PUSH27 Opcode = 0x7A
	PUSH28 Opcode = 0x7B
	PUSH29 Opcode = 0x7C
	PUSH30 Opcode = 0x7D
	PUSH31 Opcode = 0x7E
	PUSH32 Opcode = 0x7F
)

Push 

const (
	DUP1  Opcode = 0x80
	DUP2  Opcode = 0x81
	DUP3  Opcode = 0x82
	DUP4  Opcode = 0x83
	DUP5  Opcode = 0x84
	DUP6  Opcode = 0x85
	DUP7  Opcode = 0x86
	DUP8  Opcode = 0x87
	DUP9  Opcode = 0x88
	DUP10 Opcode = 0x89
	DUP11 Opcode = 0x8A
	DUP12 Opcode = 0x8B
	DUP13 Opcode = 0x8C
	DUP14 Opcode = 0x8D
	DUP15 Opcode = 0x8E
	DUP16 Opcode = 0x8F
)

Dup 

const (
	SWAP1  Opcode = 0x90
	SWAP2  Opcode = 0x91
	SWAP3  Opcode = 0x92
	SWAP4  Opcode = 0x93
	SWAP5  Opcode = 0x94
	SWAP6  Opcode = 0x95
	SWAP7  Opcode = 0x96
	SWAP8  Opcode = 0x97
	SWAP9  Opcode = 0x98
	SWAP10 Opcode = 0x99
	SWAP11 Opcode = 0x9A
	SWAP12 Opcode = 0x9B
	SWAP13 Opcode = 0x9C
	SWAP14 Opcode = 0x9D
	SWAP15 Opcode = 0x9E
	SWAP16 Opcode = 0x9F
)

Swap 

const (
	LOG0 Opcode = 0xA0
	LOG1 Opcode = 0xA1
	LOG2 Opcode = 0xA2
	LOG3 Opcode = 0xA3
	LOG4 Opcode = 0xA4
)

Log 

const (
	CREATE       Opcode = 0xF0
	CALL         Opcode = 0xF1
	CALLCODE     Opcode = 0xF2 // legacy, NOT supported by us, fixed by DELEGATECALL
	RETURN       Opcode = 0xF3
	DELEGATECALL Opcode = 0xF4
	CREATE2      Opcode = 0xF5
	STATICCALL   Opcode = 0xFA
	REVERT       Opcode = 0xFD
	INVALID      Opcode = 0xFE
	SELFDESTRUCT Opcode = 0xFF
)

Contract 

const (
	KECCAK256 Opcode = 0x20
)

Hash 

const (
	POP Opcode = 0x50
)

Stack Pop 

const (
	STOP Opcode = 0x0
)

func (Opcode) Gas 

func (op Opcode) Gas() uint64

func (Opcode) String 

func (op Opcode) String() string

type Stack 

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

func NewStack 

func NewStack() *Stack

func (*Stack) Peek 

func (st *Stack) Peek() uint256.Int

func (*Stack) Pop 

func (st *Stack) Pop() uint256.Int

func (*Stack) Push 

func (st *Stack) Push(value *uint256.Int)

func (Stack) ToString 

func (st Stack) ToString() string

type Storage 

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

func NewStorage 

func NewStorage() *Storage

func (*Storage) Get 

func (s *Storage) Get(slot int) (value common.Hash, isWarm bool)

Get does the same thing as Load, except that it doesn't mark the storage slot as 'warm'. It is used in the 'calcSstoreGasCost' function in 'common.go'

func (*Storage) Load 

func (s *Storage) Load(key int) (value common.Hash, isWarm bool)

func (*Storage) Store 

func (s *Storage) Store(key int, value common.Hash) (isWarm bool)

type TransactionContext 

type TransactionContext struct {
	Sender   common.Address
	Value    uint64
	Calldata []byte
}

TransactionContext holds transaction-specific information during EVM execution.

type TransientStorage 

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

func NewTransientStorage 

func NewTransientStorage() *TransientStorage

func (*TransientStorage) Clear 

func (s *TransientStorage) Clear()

func (*TransientStorage) Load 

func (s *TransientStorage) Load(key int) common.Hash

func (*TransientStorage) Store 

func (s *TransientStorage) Store(key int, value common.Hash)

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.