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Implement create2 for evmhost.

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This commit is contained in:
chriseth 2020-01-23 17:38:57 +01:00
parent 0e3a2fec66
commit 679f729f2f
1 changed files with 23 additions and 2 deletions
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25
test/EVMHost.cpp
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@ -172,6 +172,28 @@ evmc::result EVMHost::call(evmc_message const& _message) noexcept
message.destination = convertToEVMC(createAddress);
code = evmc::bytes(message.input_data, message.input_data + message.input_size);
}
else if (message.kind == EVMC_CREATE2)
{
Address createAddress(keccak256(
bytes(1, 0xff) +
bytes(begin(message.sender.bytes), end(message.sender.bytes)) +
bytes(begin(message.create2_salt.bytes), end(message.create2_salt.bytes)) +
keccak256(bytes(message.input_data, message.input_data + message.input_size)).asBytes()
));
message.destination = convertToEVMC(createAddress);
if (accounts.count(message.destination) && (
accounts[message.destination].nonce > 0 ||
!accounts[message.destination].code.empty()
))
{
evmc::result result({});
result.status_code = EVMC_OUT_OF_GAS;
accounts = stateBackup;
return result;
}
code = evmc::bytes(message.input_data, message.input_data + message.input_size);
}
else if (message.kind == EVMC_DELEGATECALL)
{
code = accounts[message.destination].code;
@ -184,7 +206,6 @@ evmc::result EVMHost::call(evmc_message const& _message) noexcept
}
else
code = accounts[message.destination].code;
//TODO CREATE2
auto& destination = accounts[message.destination];
@ -199,7 +220,7 @@ evmc::result EVMHost::call(evmc_message const& _message) noexcept
evmc::result result = m_vm.execute(*this, m_evmRevision, message, code.data(), code.size());
m_currentAddress = currentAddress;
if (message.kind == EVMC_CREATE)
if (message.kind == EVMC_CREATE || message.kind == EVMC_CREATE2)
{
result.gas_left -= evmasm::GasCosts::createDataGas * result.output_size;
if (result.gas_left < 0)