diff options
Diffstat (limited to 'vm/gas.go')
| -rw-r--r-- | vm/gas.go | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/vm/gas.go b/vm/gas.go deleted file mode 100644 index c4d5e4c4e..000000000 --- a/vm/gas.go +++ /dev/null @@ -1,135 +0,0 @@ -package vm - -import "math/big" - -type req struct { - stack int - gas *big.Int -} - -var ( - GasQuickStep = big.NewInt(2) - GasFastestStep = big.NewInt(3) - GasFastStep = big.NewInt(5) - GasMidStep = big.NewInt(8) - GasSlowStep = big.NewInt(10) - GasExtStep = big.NewInt(20) - - GasStorageGet = big.NewInt(50) - GasStorageAdd = big.NewInt(20000) - GasStorageMod = big.NewInt(5000) - GasLogBase = big.NewInt(375) - GasLogTopic = big.NewInt(375) - GasLogByte = big.NewInt(8) - GasCreate = big.NewInt(32000) - GasCreateByte = big.NewInt(200) - GasCall = big.NewInt(40) - GasCallValueTransfer = big.NewInt(9000) - GasStipend = big.NewInt(2300) - GasCallNewAccount = big.NewInt(25000) - GasReturn = big.NewInt(0) - GasStop = big.NewInt(0) - GasJumpDest = big.NewInt(1) - - RefundStorage = big.NewInt(15000) - RefundSuicide = big.NewInt(24000) - - GasMemWord = big.NewInt(3) - GasQuadCoeffDenom = big.NewInt(512) - GasContractByte = big.NewInt(200) - GasTransaction = big.NewInt(21000) - GasTxDataNonzeroByte = big.NewInt(68) - GasTxDataZeroByte = big.NewInt(4) - GasTx = big.NewInt(21000) - GasExp = big.NewInt(10) - GasExpByte = big.NewInt(10) - - GasSha3Base = big.NewInt(30) - GasSha3Word = big.NewInt(6) - GasSha256Base = big.NewInt(60) - GasSha256Word = big.NewInt(12) - GasRipemdBase = big.NewInt(600) - GasRipemdWord = big.NewInt(12) - GasEcrecover = big.NewInt(3000) - GasIdentityBase = big.NewInt(15) - GasIdentityWord = big.NewInt(3) - GasCopyWord = big.NewInt(3) -) - -var _baseCheck = map[OpCode]req{ - // Req stack Gas price - ADD: {2, GasFastestStep}, - LT: {2, GasFastestStep}, - GT: {2, GasFastestStep}, - SLT: {2, GasFastestStep}, - SGT: {2, GasFastestStep}, - EQ: {2, GasFastestStep}, - ISZERO: {1, GasFastestStep}, - SUB: {2, GasFastestStep}, - AND: {2, GasFastestStep}, - OR: {2, GasFastestStep}, - XOR: {2, GasFastestStep}, - NOT: {1, GasFastestStep}, - BYTE: {2, GasFastestStep}, - CALLDATALOAD: {1, GasFastestStep}, - CALLDATACOPY: {3, GasFastestStep}, - MLOAD: {1, GasFastestStep}, - MSTORE: {2, GasFastestStep}, - MSTORE8: {2, GasFastestStep}, - CODECOPY: {3, GasFastestStep}, - MUL: {2, GasFastStep}, - DIV: {2, GasFastStep}, - SDIV: {2, GasFastStep}, - MOD: {2, GasFastStep}, - SMOD: {2, GasFastStep}, - SIGNEXTEND: {2, GasFastStep}, - ADDMOD: {3, GasMidStep}, - MULMOD: {3, GasMidStep}, - JUMP: {1, GasMidStep}, - JUMPI: {2, GasSlowStep}, - EXP: {2, GasSlowStep}, - ADDRESS: {0, GasQuickStep}, - ORIGIN: {0, GasQuickStep}, - CALLER: {0, GasQuickStep}, - CALLVALUE: {0, GasQuickStep}, - CODESIZE: {0, GasQuickStep}, - GASPRICE: {0, GasQuickStep}, - COINBASE: {0, GasQuickStep}, - TIMESTAMP: {0, GasQuickStep}, - NUMBER: {0, GasQuickStep}, - CALLDATASIZE: {0, GasQuickStep}, - DIFFICULTY: {0, GasQuickStep}, - GASLIMIT: {0, GasQuickStep}, - POP: {0, GasQuickStep}, - PC: {0, GasQuickStep}, - MSIZE: {0, GasQuickStep}, - GAS: {0, GasQuickStep}, - BLOCKHASH: {1, GasExtStep}, - BALANCE: {0, GasExtStep}, - EXTCODESIZE: {1, GasExtStep}, - EXTCODECOPY: {4, GasExtStep}, - SLOAD: {1, GasStorageGet}, - SSTORE: {2, Zero}, - SHA3: {1, GasSha3Base}, - CREATE: {3, GasCreate}, - CALL: {7, GasCall}, - CALLCODE: {7, GasCall}, - JUMPDEST: {0, GasJumpDest}, - SUICIDE: {1, Zero}, - RETURN: {2, Zero}, -} - -func baseCheck(op OpCode, stack *stack, gas *big.Int) { - if r, ok := _baseCheck[op]; ok { - stack.require(r.stack) - - gas.Add(gas, r.gas) - } -} - -func toWordSize(size *big.Int) *big.Int { - tmp := new(big.Int) - tmp.Add(size, u256(31)) - tmp.Div(tmp, u256(32)) - return tmp -} |