Examples with BlockGenerator co.rsk.blockchain.utils.BlockGenerator used on opensource projects

Example 81 with BlockGenerator

use of co.rsk.blockchain.utils.BlockGenerator in project rskj by rsksmart.

the class WorldTest method saveAndGetBlock.

@Test
public void saveAndGetBlock() {
    World world = new World();
    Block block = new BlockGenerator().getBlock(1);
    world.saveBlock("b01", block);
    Assert.assertSame(block, world.getBlockByName("b01"));
}

Example 82 with BlockGenerator

use of co.rsk.blockchain.utils.BlockGenerator in project rskj by rsksmart.

the class BlockBuilderTest method buildBlockWithDifficulty.

@Test
public void buildBlockWithDifficulty() {
    Block genesis = new BlockGenerator().getGenesisBlock();
    BlockBuilder builder = new BlockBuilder();
    Block block = builder.parent(genesis).difficulty(1).build();
    Assert.assertNotNull(block);
    Assert.assertEquals(1, block.getNumber());
    Assert.assertEquals(BigInteger.ONE, block.getDifficulty().asBigInteger());
    Assert.assertEquals(genesis.getHash(), block.getParentHash());
}

Example 83 with BlockGenerator

use of co.rsk.blockchain.utils.BlockGenerator in project rskj by rsksmart.

the class BlockchainTest method tryToConnectWithCompetingChain.

@Test
public void tryToConnectWithCompetingChain() {
    // Two competing blockchains of the same size (2)
    Blockchain blockchain = createBlockchain();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block block1 = blockGenerator.createChildBlock(blockchain.getBestBlock());
    Block block2 = blockGenerator.createChildBlock(block1, 0, 5);
    Block block1b = blockGenerator.createChildBlock(blockchain.getBestBlock());
    Block block2b = blockGenerator.createChildBlock(block1b, 0, 4);
    // genesis <- block1 <- block2
    // genesis <- block1b <- block2b
    Assert.assertEquals(ImportResult.NO_PARENT, blockchain.tryToConnect(block2));
    Assert.assertEquals(ImportResult.IMPORTED_BEST, blockchain.tryToConnect(block1));
    Assert.assertEquals(ImportResult.IMPORTED_BEST, blockchain.tryToConnect(block2));
    Assert.assertEquals(ImportResult.IMPORTED_NOT_BEST, blockchain.tryToConnect(block1b));
    Assert.assertEquals(ImportResult.EXIST, blockchain.tryToConnect(block1));
    Assert.assertEquals(ImportResult.EXIST, blockchain.tryToConnect(block1b));
    Assert.assertEquals(ImportResult.IMPORTED_NOT_BEST, blockchain.tryToConnect(block2b));
    Assert.assertEquals(blockchain.getBestBlock(), block2);
    Assert.assertEquals(2, block2.getNumber());
}

Example 84 with BlockGenerator

use of co.rsk.blockchain.utils.BlockGenerator in project rskj by rsksmart.

the class BlockchainTest method checkItDoesntAddAnInvalidBlock.

@Test
public void checkItDoesntAddAnInvalidBlock() {
    Blockchain blockchain = createBlockchain();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block block1 = blockGenerator.createChildBlock(blockchain.getBestBlock());
    ImportResult importResult1 = blockchain.tryToConnect(block1);
    assertTrue(importResult1.isSuccessful());
    Block block2 = blockGenerator.createChildBlock(blockchain.getBestBlock());
    Block block2b = blockGenerator.createBlock(10, 5);
    Block block3 = Block.fromValidData(block2.getHeader(), block2b.getTransactionsList(), block2b.getUncleList());
    ImportResult importResult2 = blockchain.tryToConnect(block3);
    Assert.assertFalse(importResult2.isSuccessful());
}

Example 85 with BlockGenerator

use of co.rsk.blockchain.utils.BlockGenerator in project rskj by rsksmart.

the class BlockchainTest method addFirstBlock.

@Test
public void addFirstBlock() {
    Blockchain blockchain = createBlockchain();
    Block block = new BlockGenerator().createChildBlock(blockchain.getBestBlock());
    blockchain.tryToConnect(block);
    Assert.assertEquals(blockchain.getBestBlock(), block);
}