Examples with Block org.aion.zero.impl.types.Block used on opensource projects

Example 41 with Block

use of org.aion.zero.impl.types.Block in project aion by aionnetwork.

the class AionBlockStoreTest method testGetTwoGenerationBlocksByHashWithInfo_withSidechainGrandparent.

@Test
public void testGetTwoGenerationBlocksByHashWithInfo_withSidechainGrandparent() {
    Block grandparent = consecutiveBlocks.get(0);
    Block parent = consecutiveBlocks.get(1);
    Block sideGrandparent = spy(grandparent);
    byte[] newHash = RandomUtils.nextBytes(32);
    when(sideGrandparent.getHash()).thenReturn(newHash);
    when(sideGrandparent.getHashWrapper()).thenReturn(ByteArrayWrapper.wrap(newHash));
    assertThat(grandparent.getHash()).isNotEqualTo(sideGrandparent.getHash());
    Block sideParent = spy(parent);
    newHash = RandomUtils.nextBytes(32);
    when(sideParent.getHash()).thenReturn(newHash);
    when(sideParent.getHashWrapper()).thenReturn(ByteArrayWrapper.wrap(newHash));
    assertThat(parent.getHash()).isNotEqualTo(sideParent.getHash());
    AionBlockStore store = new AionBlockStore(index, blocks, false);
    // does not require accurate total difficulty
    store.saveBlock(grandparent, BigInteger.TWO, false);
    store.saveBlock(sideGrandparent, sideGrandparent.getTotalDifficulty(), true);
    store.saveBlock(parent, BigInteger.TEN, false);
    store.saveBlock(sideParent, sideParent.getTotalDifficulty(), true);
    Block[] blocks = store.getTwoGenerationBlocksByHashWithInfo(parent.getHash());
    assertThat(blocks.length).isEqualTo(2);
    assertThat(blocks[0]).isEqualTo(parent);
    assertThat(blocks[0].getHash()).isEqualTo(parent.getHash());
    assertThat(blocks[0].getTotalDifficulty()).isEqualTo(BigInteger.TEN);
    assertThat(blocks[0].isMainChain()).isFalse();
    assertThat(blocks[1]).isEqualTo(grandparent);
    assertThat(blocks[1].getHash()).isEqualTo(grandparent.getHash());
    assertThat(blocks[1].getTotalDifficulty()).isEqualTo(BigInteger.TWO);
    assertThat(blocks[1].isMainChain()).isFalse();
}

Example 42 with Block

use of org.aion.zero.impl.types.Block in project aion by aionnetwork.

the class AionBlockStoreTest method testGetThreeGenerationBlocksByHashWithInfo_withSidechains.

@Test
public void testGetThreeGenerationBlocksByHashWithInfo_withSidechains() {
    Block greatGrandparent = consecutiveBlocks.get(0);
    Block grandparent = consecutiveBlocks.get(1);
    Block parent = consecutiveBlocks.get(2);
    Block sideGreatGrandparent = spy(greatGrandparent);
    byte[] newHash = RandomUtils.nextBytes(32);
    when(sideGreatGrandparent.getHash()).thenReturn(newHash);
    when(sideGreatGrandparent.getHashWrapper()).thenReturn(ByteArrayWrapper.wrap(newHash));
    assertThat(greatGrandparent.getHash()).isNotEqualTo(sideGreatGrandparent.getHash());
    Block sideGrandparent = spy(grandparent);
    newHash = RandomUtils.nextBytes(32);
    when(sideGrandparent.getHash()).thenReturn(newHash);
    when(sideGrandparent.getHashWrapper()).thenReturn(ByteArrayWrapper.wrap(newHash));
    assertThat(grandparent.getHash()).isNotEqualTo(sideGrandparent.getHash());
    Block sideParent = spy(parent);
    newHash = RandomUtils.nextBytes(32);
    when(sideParent.getHash()).thenReturn(newHash);
    when(sideParent.getHashWrapper()).thenReturn(ByteArrayWrapper.wrap(newHash));
    assertThat(parent.getHash()).isNotEqualTo(sideParent.getHash());
    AionBlockStore store = new AionBlockStore(index, blocks, false);
    // does not require accurate total difficulty
    store.saveBlock(greatGrandparent, BigInteger.ONE, false);
    store.saveBlock(grandparent, BigInteger.TWO, false);
    store.saveBlock(parent, BigInteger.TEN, false);
    store.saveBlock(sideGreatGrandparent, sideGreatGrandparent.getTotalDifficulty(), true);
    store.saveBlock(sideGrandparent, sideGrandparent.getTotalDifficulty(), true);
    store.saveBlock(sideParent, sideParent.getTotalDifficulty(), true);
    Block[] blocks = store.getThreeGenerationBlocksByHashWithInfo(parent.getHash());
    assertThat(blocks.length).isEqualTo(3);
    assertThat(blocks[0]).isEqualTo(parent);
    assertThat(blocks[0].getHash()).isEqualTo(parent.getHash());
    assertThat(blocks[0].getTotalDifficulty()).isEqualTo(BigInteger.TEN);
    assertThat(blocks[0].isMainChain()).isFalse();
    assertThat(blocks[1]).isEqualTo(grandparent);
    assertThat(blocks[1].getHash()).isEqualTo(grandparent.getHash());
    assertThat(blocks[1].getTotalDifficulty()).isEqualTo(BigInteger.TWO);
    assertThat(blocks[1].isMainChain()).isFalse();
    assertThat(blocks[2]).isEqualTo(greatGrandparent);
    assertThat(blocks[2].getHash()).isEqualTo(greatGrandparent.getHash());
    assertThat(blocks[2].getTotalDifficulty()).isEqualTo(BigInteger.ONE);
    assertThat(blocks[2].isMainChain()).isFalse();
}

Example 43 with Block

use of org.aion.zero.impl.types.Block in project aion by aionnetwork.

the class AionBlockStoreTest method testGetBlocksByRange_withAscendingOrder.

@Test
public void testGetBlocksByRange_withAscendingOrder() {
    Block first = consecutiveBlocks.get(0);
    Block middle = consecutiveBlocks.get(1);
    Block last = consecutiveBlocks.get(2);
    AionBlockStore store = spy(new AionBlockStore(index, blocks, false));
    when(store.getChainBlockByNumber(first.getNumber())).thenReturn(first);
    when(store.getChainBlockByNumber(last.getNumber())).thenReturn(last);
    when(store.getBlockByHashWithInfo(last.getParentHash())).thenReturn(middle);
    when(store.getBlocksByRange(first.getNumber(), last.getNumber())).thenCallRealMethod();
    List<Block> returned = store.getBlocksByRange(first.getNumber(), last.getNumber());
    assertThat(returned.size()).isEqualTo(3);
    assertThat(returned.get(0)).isEqualTo(first);
    assertThat(returned.get(1)).isEqualTo(middle);
    assertThat(returned.get(2)).isEqualTo(last);
}

Example 44 with Block

use of org.aion.zero.impl.types.Block in project aion by aionnetwork.

the class AionBlockStoreTest method testGetBlocksByRange_withAscendingOrderAndNullLast.

@Test
public void testGetBlocksByRange_withAscendingOrderAndNullLast() {
    Block first = consecutiveBlocks.get(0);
    Block middle = consecutiveBlocks.get(1);
    Block best = consecutiveBlocks.get(2);
    Block last = consecutiveBlocks.get(3);
    AionBlockStore store = spy(new AionBlockStore(index, blocks, false));
    when(store.getChainBlockByNumber(first.getNumber())).thenReturn(first);
    when(store.getChainBlockByNumber(last.getNumber())).thenReturn(null);
    when(store.getBestBlock()).thenReturn(best);
    when(store.getBlockByHashWithInfo(best.getParentHash())).thenReturn(middle);
    when(store.getBlocksByRange(first.getNumber(), last.getNumber())).thenCallRealMethod();
    List<Block> returned = store.getBlocksByRange(first.getNumber(), last.getNumber());
    assertThat(returned.size()).isEqualTo(3);
    assertThat(returned.get(0)).isEqualTo(first);
    assertThat(returned.get(1)).isEqualTo(middle);
    assertThat(returned.get(2)).isEqualTo(best);
}

Example 45 with Block

use of org.aion.zero.impl.types.Block in project aion by aionnetwork.

the class AionBlockStoreTest method testGetBlocksByRange_withDescendingOrderAndGenesisLast.

@Test
public void testGetBlocksByRange_withDescendingOrderAndGenesisLast() {
    // assigning it height 2
    Block first = consecutiveBlocks.get(2);
    // assumed height 1
    Block middle = consecutiveBlocks.get(1);
    // assumed height 0
    Block last = consecutiveBlocks.get(0);
    AionBlockStore store = spy(new AionBlockStore(index, blocks, false));
    // returning the block at a different number than its height
    when(store.getChainBlockByNumber(2L)).thenReturn(first);
    when(store.getBlockByHashWithInfo(first.getParentHash())).thenReturn(middle);
    when(store.getBlocksByRange(2L, 0L)).thenCallRealMethod();
    // the returned list has only 2 elements due to the null
    List<Block> returned = store.getBlocksByRange(2L, 0L);
    assertThat(returned.size()).isEqualTo(2);
    assertThat(returned.get(0)).isEqualTo(first);
    assertThat(returned.get(1)).isEqualTo(middle);
    // there should be no attempt to retrieve the genesis
    verify(store, times(0)).getBlockByHashWithInfo(last.getParentHash());
    verify(store, times(0)).getBlockByHashWithInfo(middle.getParentHash());
    verify(store, times(1)).getBlockByHashWithInfo(first.getParentHash());
}