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EIP-2028: Set tx data nonzero byte cost to 16 in Istanbul #5691

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Jul 22, 2019
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EIP-2028: Set tx data nonzero byte cost to 16 in Istanbul #5691

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1 change: 1 addition & 0 deletions libethcore/EVMSchedule.h
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,7 @@ static const EVMSchedule ConstantinopleFixSchedule = [] {
static const EVMSchedule IstanbulSchedule = [] {
EVMSchedule schedule = ConstantinopleFixSchedule;
schedule.accountVersion = 1;
schedule.txDataNonZeroGas = 16;
return schedule;
}();

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4 changes: 3 additions & 1 deletion test/unittests/libethereum/Transaction.cpp
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Expand Up @@ -33,8 +33,10 @@ BOOST_FIXTURE_TEST_SUITE(libethereum, TestOutputHelperFixture)

BOOST_AUTO_TEST_CASE(TransactionGasRequired)
{
// Transaction data is 0358ac39584bc98a7c979f984b03, 14 bytes
Transaction tr(fromHex("0xf86d800182521c94095e7baea6a6c7c4c2dfeb977efac326af552d870a8e0358ac39584bc98a7c979f984b031ba048b55bfa915ac795c431978d8a6a992b628d557da5ff759b307d495a36649353a0efffd310ac743f371de3b9f7f9cb56c0b28ad43601b4ab949f53faa07bd2c804"), CheckTransaction::None);
BOOST_CHECK_EQUAL(tr.baseGasRequired(FrontierSchedule), 21952);
BOOST_CHECK_EQUAL(tr.baseGasRequired(FrontierSchedule), 14 * 68 + 21000);
BOOST_CHECK_EQUAL(tr.baseGasRequired(IstanbulSchedule), 14 * 16 + 21000);
}

BOOST_AUTO_TEST_CASE(ExecutionResultOutput)
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