Examples with PrevRanDaoOperation org.hyperledger.besu.evm.operation.PrevRanDaoOperation used on opensource projects

Example 1 with PrevRanDaoOperation

use of org.hyperledger.besu.evm.operation.PrevRanDaoOperation in project besu by hyperledger.

the class MainnetEVMs method registerPreMergeForkOperations.

public static void registerPreMergeForkOperations(final OperationRegistry registry, final GasCalculator gasCalculator, final BigInteger chainID) {
    registerLondonOperations(registry, gasCalculator, chainID);
    registry.put(new PrevRanDaoOperation(gasCalculator));
}

Example 2 with PrevRanDaoOperation

use of org.hyperledger.besu.evm.operation.PrevRanDaoOperation in project besu by hyperledger.

the class PrevRanDaoOperationTest method pushesPrevRandaoWhenDifficultyZero.

@Test
public void pushesPrevRandaoWhenDifficultyZero() {
    PrevRanDaoOperation op = new PrevRanDaoOperation(new LondonGasCalculator());
    MessageFrame messageFrame = mock(MessageFrame.class);
    BlockValues blockHeader = mock(BlockValues.class);
    Bytes32 prevRandao = Bytes32.fromHexString("0xb0b0face");
    when(blockHeader.getDifficultyBytes()).thenReturn(UInt256.ZERO);
    when(blockHeader.getMixHashOrPrevRandao()).thenReturn(prevRandao);
    when(messageFrame.getBlockValues()).thenReturn(blockHeader);
    EVM evm = mock(EVM.class);
    Operation.OperationResult r = op.executeFixedCostOperation(messageFrame, evm);
    assertThat(r.getHaltReason()).isNotPresent();
    verify(messageFrame).pushStackItem(prevRandao);
}

Example 3 with PrevRanDaoOperation

use of org.hyperledger.besu.evm.operation.PrevRanDaoOperation in project besu by hyperledger.

the class MainnetEVMs method registerParisOperations.

public static void registerParisOperations(final OperationRegistry registry, final GasCalculator gasCalculator, final BigInteger chainID) {
    registerLondonOperations(registry, gasCalculator, chainID);
    registry.put(new PrevRanDaoOperation(gasCalculator));
}

Example 4 with PrevRanDaoOperation

use of org.hyperledger.besu.evm.operation.PrevRanDaoOperation in project besu by hyperledger.

the class PrevRanDaoOperationTest method pushesDifficultyWhenPresent.

@Test
public void pushesDifficultyWhenPresent() {
    PrevRanDaoOperation op = new PrevRanDaoOperation(new LondonGasCalculator());
    MessageFrame messageFrame = mock(MessageFrame.class);
    BlockValues blockHeader = mock(BlockValues.class);
    Bytes32 prevRandao = Bytes32.fromHexString("0xb0b0face");
    Bytes difficulty = Bytes.random(32);
    when(blockHeader.getDifficultyBytes()).thenReturn(difficulty);
    when(blockHeader.getMixHashOrPrevRandao()).thenReturn(prevRandao);
    when(messageFrame.getBlockValues()).thenReturn(blockHeader);
    EVM evm = mock(EVM.class);
    Operation.OperationResult r = op.executeFixedCostOperation(messageFrame, evm);
    assertThat(r.getHaltReason()).isNotPresent();
    verify(messageFrame).pushStackItem(difficulty);
}