Пример #1
0
def test_genesis_chain(db):
    k, v, k2, v2 = accounts()
    chain = Chain({v: {"balance": utils.denoms.ether * 1}}, difficulty=1)
    blk = mine_on_chain(chain)
    print('blook', blk)

    assert chain.has_block(blk.hash)
    assert blk.hash in chain
    assert chain.get_block(blk.hash) == blk
    assert chain.head == blk
    assert chain.get_children(blk) == []
    assert chain.get_chain() == [blk]
    assert chain.get_block_by_number(1)
    assert not chain.get_block_by_number(2)
    assert chain.get_block_by_number(1) == blk
Пример #2
0
def test_simple_chain(db):
    k, v, k2, v2 = accounts()
    chain = Chain({v: {"balance": utils.denoms.ether * 1}}, difficulty=1)
    tx = get_transaction()
    blk2 = mine_next_block(chain, transactions=[tx])
    blk3 = mine_next_block(chain)

    assert blk2.hash in chain
    assert blk3.hash in chain
    assert chain.has_block(blk2.hash)
    assert chain.has_block(blk3.hash)
    assert chain.get_block(blk2.hash) == blk2
    assert chain.get_block(blk3.hash) == blk3
    assert chain.head == blk3
    assert chain.get_children(blk2) == [blk3]

    assert chain.get_chain() == [blk2, blk3]

    assert chain.get_block_by_number(1) == blk2
    assert chain.get_block_by_number(2) == blk3
    assert not chain.get_block_by_number(3)
    assert chain.get_tx_position(tx.hash) == (blk2.number, 0)