aboutsummaryrefslogtreecommitdiffstats
path: root/libevmasm/GasMeter.h
diff options
context:
space:
mode:
authorchriseth <c@ethdev.com>2016-04-07 02:55:46 +0800
committerchriseth <c@ethdev.com>2016-04-07 02:56:00 +0800
commitf227050c203fd0da70fcefbbecc922fd16045aa6 (patch)
tree40ad7d2e00f051368349bdfc017a0d4b455d8313 /libevmasm/GasMeter.h
parent193b1c940ce3e21d52e2cbdd253c1d7cb820fa06 (diff)
downloaddexon-solidity-f227050c203fd0da70fcefbbecc922fd16045aa6.tar.gz
dexon-solidity-f227050c203fd0da70fcefbbecc922fd16045aa6.tar.zst
dexon-solidity-f227050c203fd0da70fcefbbecc922fd16045aa6.zip
Make solidity independent from ethcore.
Diffstat (limited to 'libevmasm/GasMeter.h')
-rw-r--r--libevmasm/GasMeter.h48
1 files changed, 41 insertions, 7 deletions
diff --git a/libevmasm/GasMeter.h b/libevmasm/GasMeter.h
index b11a63a5..1a607a9f 100644
--- a/libevmasm/GasMeter.h
+++ b/libevmasm/GasMeter.h
@@ -25,7 +25,6 @@
#include <tuple>
#include <libevmasm/ExpressionClasses.h>
#include <libevmasm/AssemblyItem.h>
-#include <libethcore/ChainOperationParams.h>
namespace dev
{
@@ -34,7 +33,44 @@ namespace eth
class KnownState;
-// TODO: FIXME: HOMESTEAD: XXX: @chfast populate m_schedule from an ExtVMFace instance via ExtVMFace::evmSchedule.
+namespace GasCosts
+{
+ static unsigned const stackLimit = 1024;
+ static unsigned const tier0Gas = 0;
+ static unsigned const tier1Gas = 2;
+ static unsigned const tier2Gas = 3;
+ static unsigned const tier3Gas = 5;
+ static unsigned const tier4Gas = 8;
+ static unsigned const tier5Gas = 10;
+ static unsigned const tier6Gas = 20;
+ static unsigned const tier7Gas = 0;
+ static unsigned const expGas = 10;
+ static unsigned const expByteGas = 10;
+ static unsigned const sha3Gas = 30;
+ static unsigned const sha3WordGas = 6;
+ static unsigned const sloadGas = 50;
+ static unsigned const sstoreSetGas = 20000;
+ static unsigned const sstoreResetGas = 5000;
+ static unsigned const sstoreRefundGas = 15000;
+ static unsigned const jumpdestGas = 1;
+ static unsigned const logGas = 375;
+ static unsigned const logDataGas = 8;
+ static unsigned const logTopicGas = 375;
+ static unsigned const createGas = 32000;
+ static unsigned const callGas = 40;
+ static unsigned const callStipend = 2300;
+ static unsigned const callValueTransferGas = 9000;
+ static unsigned const callNewAccountGas = 25000;
+ static unsigned const suicideRefundGas = 24000;
+ static unsigned const memoryGas = 3;
+ static unsigned const quadCoeffDiv = 512;
+ static unsigned const createDataGas = 200;
+ static unsigned const txGas = 21000;
+ static unsigned const txCreateGas = 53000;
+ static unsigned const txDataZeroGas = 4;
+ static unsigned const txDataNonZeroGas = 68;
+ static unsigned const copyGas = 3;
+}
/**
* Class that helps computing the maximum gas consumption for instructions.
@@ -47,7 +83,8 @@ class GasMeter
public:
struct GasConsumption
{
- GasConsumption(u256 _value = 0, bool _infinite = false): value(_value), isInfinite(_infinite) {}
+ GasConsumption(unsigned _value = 0, bool _infinite = false): value(_value), isInfinite(_infinite) {}
+ GasConsumption(u256 _value, bool _infinite = false): value(_value), isInfinite(_infinite) {}
static GasConsumption infinite() { return GasConsumption(0, true); }
GasConsumption& operator+=(GasConsumption const& _other);
@@ -69,8 +106,7 @@ public:
u256 const& largestMemoryAccess() const { return m_largestMemoryAccess; }
- u256 runGas(Instruction _instruction) const { return runGas(_instruction, m_schedule); }
- static u256 runGas(Instruction _instruction, EVMSchedule const& _es);
+ static unsigned runGas(Instruction _instruction);
private:
/// @returns _multiplier * (_value + 31) / 32, if _value is a known constant and infinite otherwise.
@@ -85,8 +121,6 @@ private:
std::shared_ptr<KnownState> m_state;
/// Largest point where memory was accessed since the creation of this object.
u256 m_largestMemoryAccess;
-
- EVMSchedule m_schedule;
};
inline std::ostream& operator<<(std::ostream& _str, GasMeter::GasConsumption const& _consumption)