ops

package
v0.0.0-...-a6ff567 Latest Latest
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 Go to latest Published: Apr 22, 2024 License: GPL-3.0 Imports: 4 Imported by: 6

Documentation

Index

Constants

View Source 
const (
	STOP       = OpCode(0x00)
	ADD        = OpCode(0x01)
	MUL        = OpCode(0x02)
	SUB        = OpCode(0x03)
	DIV        = OpCode(0x04)
	SDIV       = OpCode(0x05)
	MOD        = OpCode(0x06)
	SMOD       = OpCode(0x07)
	ADDMOD     = OpCode(0x08)
	MULMOD     = OpCode(0x09)
	EXP        = OpCode(0x0A)
	SIGNEXTEND = OpCode(0x0B)
)

0x0 range - arithmetic ops.

View Source 
const (
	LT     = OpCode(0x10)
	GT     = OpCode(0x11)
	SLT    = OpCode(0x12)
	SGT    = OpCode(0x13)
	EQ     = OpCode(0x14)
	ISZERO = OpCode(0x15)
	AND    = OpCode(0x16)
	OR     = OpCode(0x17)
	XOR    = OpCode(0x18)
	NOT    = OpCode(0x19)
	BYTE   = OpCode(0x1A)
	SHL    = OpCode(0x1B)
	SHR    = OpCode(0x1C)
	SAR    = OpCode(0x1D)

	KECCAK256 = OpCode(0x20)
)

0x10 range - comparison ops.

View Source 
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)
	EXTCODESIZE    = OpCode(0x3B)
	EXTCODECOPY    = OpCode(0x3C)
	RETURNDATASIZE = OpCode(0x3D)
	RETURNDATACOPY = OpCode(0x3E)
	EXTCODEHASH    = OpCode(0x3F)
)

0x30 range - closure state.

View Source 
const (
	BLOCKHASH   = OpCode(0x40)
	COINBASE    = OpCode(0x41)
	TIMESTAMP   = OpCode(0x42)
	NUMBER      = OpCode(0x43)
	DIFFICULTY  = OpCode(0x44)
	GASLIMIT    = OpCode(0x45)
	CHAINID     = OpCode(0x46)
	SELFBALANCE = OpCode(0x47)
	BASEFEE     = OpCode(0x48)
	BLOBHASH    = OpCode(0x49)
	BLOBBASEFEE = OpCode(0x4a)
)

0x40 range - block operations.

View Source 
const (
	POP      = OpCode(0x50)
	MLOAD    = OpCode(0x51)
	MSTORE   = OpCode(0x52)
	MSTORE8  = OpCode(0x53)
	SLOAD    = OpCode(0x54)
	SSTORE   = OpCode(0x55)
	JUMP     = OpCode(0x56)
	JUMPI    = OpCode(0x57)
	PC       = OpCode(0x58)
	MSIZE    = OpCode(0x59)
	GAS      = OpCode(0x5A)
	JUMPDEST = OpCode(0x5B)

	TLOAD  = OpCode(0x5c) // Cancun
	TSTORE = OpCode(0x5d) // Cancun
	MCOPY  = OpCode(0x5e) // Cancun
	PUSH0  = OpCode(0x5f) // Shanghai

)

0x50 range - 'storage' and execution.

View Source 
const (
	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)
)

0x60 through 0x7F range.

View Source 
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)
)

0x80 range

View Source 
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)
)

0x90 range

View Source 
const (
	LOG0 = OpCode(0xa0)
	LOG1 = OpCode(0xa1)
	LOG2 = OpCode(0xa2)
	LOG3 = OpCode(0xa3)
	LOG4 = OpCode(0xa4)
)

0xa0 range - logging ops.

View Source 
const (
	CREATE       = OpCode(0xf0)
	CALL         = OpCode(0xf1)
	CALLCODE     = OpCode(0xf2)
	RETURN       = OpCode(0xf3)
	DELEGATECALL = OpCode(0xf4)
	CREATE2      = OpCode(0xf5)

	STATICCALL = OpCode(0xfa)

	INVALID      = OpCode(0xfe)
	REVERT       = OpCode(0xfd)
	SELFDESTRUCT = OpCode(0xff)
)

0xf0 range - closures.

Variables

This section is empty.

Functions

func InstructionCount 

func InstructionCount(code []byte) int

InstructionCount counts the number of instructions

func IsDefined 

func IsDefined(op OpCode) bool

func IsValid 

func IsValid(op OpCode) bool

func LookupChainConfig 

func LookupChainConfig(fork string) (*params.ChainConfig, error)

LookupChainConfig returns the params.ChainConfig for a given fork.

func LookupRules 

func LookupRules(fork string) params.Rules

func NewInstructionIterator 

func NewInstructionIterator(code []byte) *instructionIterator

Create a new instruction iterator.

Types

type Fork 

type Fork struct {
	Name              string
	ValidOpcodes      []OpCode
	ActivePrecompiles []common.Address
}

func LookupFork 

func LookupFork(fork string) *Fork

func (Fork) RandomOp 

func (f Fork) RandomOp(rnd byte) OpCode

RandomOp returns a random (valid) opcode

type OpCode 

type OpCode byte

OpCode is an EVM opcode

func StringToOp 

func StringToOp(str string) OpCode

StringToOp finds the opcode whose name is stored in `str`.

func ValidOpcodesInFork 

func ValidOpcodesInFork(fork string) ([]OpCode, error)

ValidOpcodesInFork returns the set of valid opcodes for the given fork, or error if the fork is not defined.

func (OpCode) ExpandsMem 

func (op OpCode) ExpandsMem() bool

func (OpCode) HasImmediate 

func (op OpCode) HasImmediate() bool

HasImmediate returns true if the op has immediate after the op.

func (OpCode) IsCall 

func (op OpCode) IsCall() bool

func (OpCode) IsPush 

func (op OpCode) IsPush() bool

IsPush specifies if an opcode is a PUSH opcode.

func (OpCode) Pops 

func (op OpCode) Pops() []string

func (OpCode) PushSize 

func (op OpCode) PushSize() int

func (OpCode) Pushes 

func (op OpCode) Pushes() []string

func (OpCode) Stackdelta 

func (op OpCode) Stackdelta() int

func (OpCode) String 

func (op OpCode) String() string

Source Files

View all Source files

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