Examples with NetworkParams snowblossom.lib.NetworkParams used on opensource projects

Example 16 with NetworkParams

use of snowblossom.lib.NetworkParams in project snowblossom by snowblossomcoin.

the class BlockIngestorTest method testMagicBlockSummary.

@Test
public void testMagicBlockSummary() {
    NetworkParams params = new NetworkParamsTestnet();
    long time = System.currentTimeMillis();
    BigInteger using_target = params.getMaxTarget().divide(BigInteger.valueOf(2L));
    BlockHeader header = BlockHeader.newBuilder().setTarget(BlockchainUtil.targetBigIntegerToBytes(using_target)).setTimestamp(time).build();
    long using_time = params.getBlockTimeTarget() / 2;
    BlockHeader prev_header = BlockHeader.newBuilder().setTimestamp(time - using_time).build();
    BlockSummary prev_summary;
    prev_summary = BlockSummary.newBuilder().setWorkSum("1000").setBlocktimeAverageMs(params.getBlockTimeTarget()).setTargetAverage(params.getMaxTarget().toString()).setHeader(prev_header).build();
    System.out.println(prev_summary);
    BlockSummary s = BlockchainUtil.getNewSummary(header, prev_summary, params, 1L, 600L, new LinkedList());
    BigInteger expected_target = params.getMaxTarget().multiply(BigInteger.valueOf(990L)).add(using_target.multiply(BigInteger.valueOf(10L))).divide(BigInteger.valueOf(1000L));
    long expected_time = (params.getBlockTimeTarget() * 990L + using_time * 10L) / 1000L;
    Assert.assertNotNull(s.getHeader());
    int work = 1000 + 1024 * 2;
    Assert.assertEquals("" + work, s.getWorkSum());
    Assert.assertEquals(expected_target.toString(), s.getTargetAverage());
    Assert.assertEquals(expected_time, s.getBlocktimeAverageMs());
}