Skip to content
This repository has been archived by the owner on Oct 28, 2021. It is now read-only.

EIP150 version1 gasPrice change proposal #3344

Closed
wants to merge 3 commits into from

Conversation

winsvega
Copy link
Contributor

@winsvega winsvega commented Oct 10, 2016

Implements http://github.com/ethereum/EIPs/issues/150

  • changes in gas costs
  • define transition block for the main network
  • the 63/64 rule for limiting the call stack
  • test for the gas cost changes
  • test for 63/64 call gas rules

@@ -543,6 +544,7 @@ void VM::interpretCases()

CASE_BEGIN(BALANCE)
{
m_runGas += toUint64(m_schedule->balanceGas);
Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

It previously was charged ~20 gas. Are you sure it will not be now 20 + balanceGas?

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I am not.
should we null it in gas prices list?

Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

You should change the schedule itself, not just add something to rungas here manually.

Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Change it to how it is done for e.g. sha3, i.e. leave it like it is here and change the tier to specialTier.

@@ -84,6 +84,9 @@ StringHashMap Ethash::jsInfo(BlockHeader const& _bi) const

EVMSchedule const& Ethash::evmSchedule(EnvInfo const& _envInfo) const
{
if (_envInfo.number() >= chainParams().u256Param("devconforkBlock"))
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Please call it EIP150

@@ -543,6 +544,7 @@ void VM::interpretCases()

CASE_BEGIN(BALANCE)
{
m_runGas += toUint64(m_schedule->balanceGas);
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

You should change the schedule itself, not just add something to rungas here manually.

BALANCE EXTCODECOPY EXTCODESIZE
@@ -84,6 +84,9 @@ StringHashMap Ethash::jsInfo(BlockHeader const& _bi) const

EVMSchedule const& Ethash::evmSchedule(EnvInfo const& _envInfo) const
{
if (_envInfo.number() >= chainParams().u256Param("devconforkBlock"))
return DevconSchedule;
else
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Style

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

fixed with 7a39c97

@@ -159,6 +160,7 @@ R"E(
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": "0x05",
"daoHardforkBlock": "0x08",
"devconforkBlock": "0x0a",
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Is there enough space between 0x08 and 0x0a to perform all necessary tests?

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

i think it is. 08 block is just a daohardfork rules.
from 5 to 10 is homestead

};

static const EVMSchedule DefaultSchedule = EVMSchedule();
static EVMSchedule EVMScheduleDevcon()
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Please call it EVMScheduleEIP150

static EVMSchedule EVMScheduleDevcon()
{
//EIP150
EVMSchedule m_schedule = DefaultSchedule;
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Shouldn't this be a modified HomesteadSchedule?

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

it should. really nearly missed that out.

@@ -195,7 +195,7 @@ static const std::map<Instruction, InstructionInfo> c_instructionInfo =
{ Instruction::SIGNEXTEND, { "SIGNEXTEND", 0, 2, 1, false, LowTier } },
{ Instruction::SHA3, { "SHA3", 0, 2, 1, false, SpecialTier } },
{ Instruction::ADDRESS, { "ADDRESS", 0, 0, 1, false, BaseTier } },
{ Instruction::BALANCE, { "BALANCE", 0, 1, 1, false, ExtTier } },
{ Instruction::BALANCE, { "BALANCE", 0, 1, 1, false, ZeroTier } },
Copy link
Contributor

@chriseth chriseth Oct 11, 2016

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

It should be SpecialTier (also the others)

}
},
"pre" : {
"d4fe7bc31cedb7bfb8a345f31e668033056b2728" : { "balance" : "1000000", "nonce" : "0", "code" : "", "storage": {} },
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Is this the attack contract? If yes, I don't think this is a good test. What we need to test here is gas prices, not resource usage.

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

this is a contract for dao transition. have to carry it with test for the transition rules

@@ -543,6 +544,7 @@ void VM::interpretCases()

CASE_BEGIN(BALANCE)
{
m_runGas += toUint64(m_schedule->balanceGas);
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Change it to how it is done for e.g. sha3, i.e. leave it like it is here and change the tier to specialTier.

Sign up for free to subscribe to this conversation on GitHub. Already have an account? Sign in.
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

3 participants