Class: Ethereum::Opcodes

Inherits:

Object

• Object
• Ethereum::Opcodes

Defined in:

lib/ethereum/opcodes.rb

Constant Summary

TABLE =

{
  # schema: [op, ins, outs, gas]
  0x00 => [:STOP, 0, 0, 0],
  0x01 => [:ADD, 2, 1, 3],
  0x02 => [:MUL, 2, 1, 5],
  0x03 => [:SUB, 2, 1, 3],
  0x04 => [:DIV, 2, 1, 5],
  0x05 => [:SDIV, 2, 1, 5],
  0x06 => [:MOD, 2, 1, 5],
  0x07 => [:SMOD, 2, 1, 5],
  0x08 => [:ADDMOD, 3, 1, 8],
  0x09 => [:MULMOD, 3, 1, 8],
  0x0a => [:EXP, 2, 1, 10],
  0x0b => [:SIGNEXTEND, 2, 1, 5],
  0x10 => [:LT, 2, 1, 3],
  0x11 => [:GT, 2, 1, 3],
  0x12 => [:SLT, 2, 1, 3],
  0x13 => [:SGT, 2, 1, 3],
  0x14 => [:EQ, 2, 1, 3],
  0x15 => [:ISZERO, 1, 1, 3],
  0x16 => [:AND, 2, 1, 3],
  0x17 => [:OR, 2, 1, 3],
  0x18 => [:XOR, 2, 1, 3],
  0x19 => [:NOT, 1, 1, 3],
  0x1a => [:BYTE, 2, 1, 3],
  0x20 => [:SHA3, 2, 1, 30],
  0x30 => [:ADDRESS, 0, 1, 2],
  0x31 => [:BALANCE, 1, 1, 20],
  0x32 => [:ORIGIN, 0, 1, 2],
  0x33 => [:CALLER, 0, 1, 2],
  0x34 => [:CALLVALUE, 0, 1, 2],
  0x35 => [:CALLDATALOAD, 1, 1, 3],
  0x36 => [:CALLDATASIZE, 0, 1, 2],
  0x37 => [:CALLDATACOPY, 3, 0, 3],
  0x38 => [:CODESIZE, 0, 1, 2],
  0x39 => [:CODECOPY, 3, 0, 3],
  0x3a => [:GASPRICE, 0, 1, 2],
  0x3b => [:EXTCODESIZE, 1, 1, 20],
  0x3c => [:EXTCODECOPY, 4, 0, 20],
  0x40 => [:BLOCKHASH, 1, 1, 20],
  0x41 => [:COINBASE, 0, 1, 2],
  0x42 => [:TIMESTAMP, 0, 1, 2],
  0x43 => [:NUMBER, 0, 1, 2],
  0x44 => [:DIFFICULTY, 0, 1, 2],
  0x45 => [:GASLIMIT, 0, 1, 2],
  0x50 => [:POP, 1, 0, 2],
  0x51 => [:MLOAD, 1, 1, 3],
  0x52 => [:MSTORE, 2, 0, 3],
  0x53 => [:MSTORE8, 2, 0, 3],
  0x54 => [:SLOAD, 1, 1, 50],
  0x55 => [:SSTORE, 2, 0, 0],
  0x56 => [:JUMP, 1, 0, 8],
  0x57 => [:JUMPI, 2, 0, 10],
  0x58 => [:PC, 0, 1, 2],
  0x59 => [:MSIZE, 0, 1, 2],
  0x5a => [:GAS, 0, 1, 2],
  0x5b => [:JUMPDEST, 0, 0, 1],
  0xa0 => [:LOG0, 2, 0, 375],
  0xa1 => [:LOG1, 3, 0, 750],
  0xa2 => [:LOG2, 4, 0, 1125],
  0xa3 => [:LOG3, 5, 0, 1500],
  0xa4 => [:LOG4, 6, 0, 1875],
  0xf0 => [:CREATE, 3, 1, 32000],
  0xf1 => [:CALL, 7, 1, 40],
  0xf2 => [:CALLCODE, 7, 1, 40],
  0xf3 => [:RETURN, 2, 0, 0],
  0xf4 => [:DELEGATECALL, 6, 0, 40],
  0xff => [:SUICIDE, 1, 0, 0],
}

PREFIX_LOG =

'LOG'.freeze

PREFIX_PUSH =

'PUSH'.freeze

PREFIX_DUP =

'DUP'.freeze

PREFIX_SWAP =

'SWAP'.freeze

REVERSE_TABLE =

{}

GDEFAULT =

Non-opcode gas prices

1

GMEMORY =

3

GQUADRATICMEMDENOM =

1 gas per 512 quadwords

512

GSTORAGEREFUND =

15000

GSTORAGEKILL =

5000

GSTORAGEMOD =

5000

GSTORAGEADD =

20000

GEXPONENTBYTE =

cost of EXP exponent per byte

10

GCOPY =

cost to copy one 32 byte word

3

GCONTRACTBYTE =

one byte of code in contract creation

200

GCALLVALUETRANSFER =

non-zero-valued call

9000

GLOGBYTE =

cost of a byte of logdata

8

GTXCOST =

TX BASE GAS COST

21000

GTXDATAZERO =

TX DATA ZERO BYTE GAS COST

4

GTXDATANONZERO =

TX DATA NON ZERO BYTE GAS COST

68

GSHA3WORD =

Cost of SHA3 per word

6

GSHA256BASE =

Base c of SHA256

60

GSHA256WORD =

Cost of SHA256 per word

12

GRIPEMD160BASE =

Base cost of RIPEMD160

600

GRIPEMD160WORD =

Cost of RIPEMD160 per word

120

GIDENTITYBASE =

Base cost of indentity

15

GIDENTITYWORD =

Cost of identity per word

3

GECRECOVER =

Cost of ecrecover op

3000

GSTIPEND =

2300

GCALLNEWACCOUNT =

25000

GSUICIDEREFUND =

24000