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EVMHost: keep precompile balance/settings across resets

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Also set proper codehash for precompiles.
This commit is contained in:
Alex Beregszaszi 2020-09-24 18:46:39 +01:00
parent d180d6cdaf
commit 6479138dd4
2 changed files with 21 additions and 11 deletions
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30
test/EVMHost.cpp
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@ -123,6 +123,22 @@ EVMHost::EVMHost(langutil::EVMVersion _evmVersion, evmc::VM& _vm):
else else
assertThrow(false, Exception, "Unsupported EVM version"); assertThrow(false, Exception, "Unsupported EVM version");
tx_context.block_difficulty = evmc::uint256be{200000000};
tx_context.block_gas_limit = 20000000;
tx_context.block_coinbase = 0x7878787878787878787878787878787878787878_address;
tx_context.tx_gas_price = evmc::uint256be{3000000000};
tx_context.tx_origin = 0x9292929292929292929292929292929292929292_address;
// Mainnet according to EIP-155
tx_context.chain_id = evmc::uint256be{1};
reset();
}
void EVMHost::reset()
{
accounts.clear();
m_currentAddress = {};
// Mark all precompiled contracts as existing. Existing here means to have a balance (as per EIP-161). // Mark all precompiled contracts as existing. Existing here means to have a balance (as per EIP-161).
// NOTE: keep this in sync with `EVMHost::call` below. // NOTE: keep this in sync with `EVMHost::call` below.
// //
@ -131,19 +147,13 @@ EVMHost::EVMHost(langutil::EVMVersion _evmVersion, evmc::VM& _vm):
// roughly 22 days before the update went live. // roughly 22 days before the update went live.
for (unsigned precompiledAddress = 1; precompiledAddress <= 8; precompiledAddress++) for (unsigned precompiledAddress = 1; precompiledAddress <= 8; precompiledAddress++)
{ {
evmc::address address{}; evmc::address address{precompiledAddress};
address.bytes[19] = precompiledAddress;
// 1wei // 1wei
accounts[address].balance = evmc::uint256be{1}; accounts[address].balance = evmc::uint256be{1};
// Set according to EIP-1052.
if (precompiledAddress < 5 || m_evmVersion >= langutil::EVMVersion::byzantium())
accounts[address].codehash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470_bytes32;
} }
tx_context.block_difficulty = evmc::uint256be{200000000};
tx_context.block_gas_limit = 20000000;
tx_context.block_coinbase = 0x7878787878787878787878787878787878787878_address;
tx_context.tx_gas_price = evmc::uint256be{3000000000};
tx_context.tx_origin = 0x9292929292929292929292929292929292929292_address;
// Mainnet according to EIP-155
tx_context.chain_id = evmc::uint256be{1};
} }
void EVMHost::selfdestruct(const evmc::address& _addr, const evmc::address& _beneficiary) noexcept void EVMHost::selfdestruct(const evmc::address& _addr, const evmc::address& _beneficiary) noexcept

2
test/EVMHost.h
View File

@ -54,7 +54,7 @@ public:
explicit EVMHost(langutil::EVMVersion _evmVersion, evmc::VM& _vm); explicit EVMHost(langutil::EVMVersion _evmVersion, evmc::VM& _vm);
void reset() { accounts.clear(); m_currentAddress = {}; } void reset();
void newBlock() void newBlock()
{ {
tx_context.block_number++; tx_context.block_number++;