Python SignedBeaconBlock.from_parent Examples

Example #1

def test_block_is_not_genesis():
    genesis_block = SignedBeaconBlock.create().transform(
        ("message", "parent_root"), GENESIS_PARENT_ROOT)
    another_block = SignedBeaconBlock.from_parent(genesis_block,
                                                  FromBlockParams())
    assert genesis_block.is_genesis
    assert not another_block.is_genesis

Example #2

File: test_helpers.py Project: root-servers/trinity

def get_pseudo_chain(length, genesis_block):
    """
    Get a pseudo chain, only slot and parent_root are valid.
    """
    block = genesis_block
    yield genesis_block
    for slot in range(1, length * 3):
        block = SignedBeaconBlock.from_parent(block, FromBlockParams(slot=slot))
        yield block