Exemplo n.º 1
0
def test_channel_topup_20(web3, chain, contract, channel_20):
    (sender, receiver, open_block_number) = channel_20
    (A) = web3.eth.accounts[3]
    top_up_deposit = 14

    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).topUpERC20(receiver, open_block_number, top_up_deposit)

    # Approve token allowance
    trxid = token.transact({"from": sender}).approve(contract.address, top_up_deposit)
    gas_used_approve = get_gas_used(chain, trxid)

    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': A}).topUpERC20(receiver, open_block_number, top_up_deposit)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).topUpERC20(A, open_block_number, top_up_deposit)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).topUpERC20(receiver, open_block_number, 0)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).topUpERC20(receiver, 0, top_up_deposit)

    trxid = contract.transact({'from': sender}).topUpERC20(receiver, open_block_number, top_up_deposit)

    channel_data = contract.call().getChannelInfo(sender, receiver, open_block_number)
    assert channel_data[1] == channel_deposit + top_up_deposit  # deposit

    print('----------------------------------')
    print('GAS USED test_channel_topup_20', gas_used_approve + get_gas_used(chain, trxid))
    print('----------------------------------')
Exemplo n.º 2
0
def test_close_by_sender_challenge_settle_by_sender2(web3, chain, contract,
                                                     channel):
    (sender, receiver, open_block_number) = channel
    (A) = web3.eth.accounts[3]

    current_deposit = get_current_deposit(contract, channel)
    balance = 0

    balance_msg = get_balance_message(receiver, open_block_number, balance)
    balance_msg_sig, addr = sign.check(balance_msg, tester.k1)

    receiver_pre_balance = token.call().balanceOf(receiver)
    sender_pre_balance = token.call().balanceOf(sender)
    contract_pre_balance = token.call().balanceOf(contract.address)

    channel_pre_close_tests(contract, channel)
    trxid1 = contract.transact({
        'from': sender
    }).uncooperativeClose(receiver, open_block_number, balance,
                          balance_msg_sig)

    channel_data = contract.call().getChannelInfo(sender, receiver,
                                                  open_block_number)
    assert channel_data[2] != 0  # settle_block_number

    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).settle(receiver, open_block_number)

    with pytest.raises(tester.TransactionFailed):
        contract.transact({
            'from': receiver
        }).settle(receiver, open_block_number)

    web3.testing.mine(challenge_period + 1)

    with pytest.raises(tester.TransactionFailed):
        contract.transact({
            'from': receiver
        }).settle(receiver, open_block_number)

    trxid2 = contract.transact({
        'from': sender
    }).settle(receiver, open_block_number)

    receiver_post_balance = receiver_pre_balance + balance
    sender_post_balance = sender_pre_balance + (current_deposit - balance)
    contract_post_balance = contract_pre_balance - current_deposit

    assert token.call().balanceOf(receiver) == receiver_post_balance
    assert token.call().balanceOf(sender) == sender_post_balance
    assert token.call().balanceOf(contract.address) == contract_post_balance

    channel_settle_tests(contract, channel)

    print('----------------------------------')
    print('GAS USED test_close_by_sender_challenge_settle_by_sender2',
          get_gas_used(chain, trxid1) + get_gas_used(chain, trxid2))
    print('----------------------------------')
Exemplo n.º 3
0
def test_channel_20_create(web3, chain, contract):
    (Owner, A, B, C, D) = web3.eth.accounts[:5]
    depozit_B = 100
    depozit_D = 120

    gas_used_create = 0

    # Fund accounts with tokens
    token.transact({"from": Owner}).transfer(B, depozit_B)
    token.transact({"from": Owner}).transfer(D, depozit_D)

    with pytest.raises(tester.TransactionFailed):
        contract.transact({"from": B}).createChannelERC20(A, depozit_B)

    # Approve token allowance
    trxid = token.transact({"from": B}).approve(contract.address, depozit_B)
    gas_used_create += get_gas_used(chain, trxid)

    with pytest.raises(TypeError):
        contract.transact({"from": B}).createChannelERC20(A, -2)

    # Cannot create a channel if tokens were not approved
    with pytest.raises(tester.TransactionFailed):
        contract.transact({"from": D}).createChannelERC20(C, depozit_D)

    assert token.call().balanceOf(contract.address) == 0
    pre_balance_B = token.call().balanceOf(B)

    # Create channel
    trxid = contract.transact({"from": B}).createChannelERC20(A, depozit_B)
    gas_used_create += get_gas_used(chain, trxid)

    # Check balances
    assert token.call().balanceOf(contract.address) == depozit_B
    assert token.call().allowance(B, contract.address) == 0
    assert token.call().balanceOf(B) == pre_balance_B - depozit_B

    open_block_number = get_last_open_block_number(contract)

    channel_data = contract.call().getChannelInfo(B, A, open_block_number)
    print('-- --- -- channel_data', channel_data)
    assert channel_data[1] == 100  # deposit
    assert channel_data[2] == 0  # settle_block_number
    assert channel_data[3] == 0  # closing_balance

    print('----------------------------------')
    print('GAS USED test_channel_20_create', gas_used_create)
    print('----------------------------------')
Exemplo n.º 4
0
def test_channel_topup_223(web3, chain, contract, channel):
    (sender, receiver, open_block_number) = channel
    (A) = web3.eth.accounts[3]
    top_up_deposit = 14

    # address 20 bytes
    # padded block number from uint32 (4 bytes) to 32 bytes
    top_up_data = receiver[2:].zfill(40) + hex(open_block_number)[2:].zfill(8)
    print('---top_up_data', top_up_data)
    top_up_data = bytes.fromhex(top_up_data)

    top_up_data_wrong_receiver = A[2:].zfill(64) + hex(open_block_number)[2:].zfill(8)

    top_up_data_wrong_block = receiver[2:].zfill(64) + hex(open_block_number+30)[2:].zfill(8)

    with pytest.raises(tester.TransactionFailed):
        token.transact({"from": sender}).transfer(contract.address, 0, top_up_data)
    with pytest.raises(tester.TransactionFailed):
        token.transact({"from": sender}).transfer(contract.address, top_up_deposit, top_up_data_wrong_receiver)
    with pytest.raises(tester.TransactionFailed):
        token.transact({"from": sender}).transfer(contract.address, top_up_deposit, top_up_data_wrong_block)

    # Call Token - this calls contract.tokenFallback
    trxid = token.transact({"from": sender}).transfer(contract.address, top_up_deposit, top_up_data)

    channel_data = contract.call().getChannelInfo(sender, receiver, open_block_number)
    assert channel_data[1] == channel_deposit + top_up_deposit  # deposit

    print('----------------------------------')
    print('GAS USED test_channel_topup_223', get_gas_used(chain, trxid))
    print('----------------------------------')
Exemplo n.º 5
0
def test_channel_223_create(web3, chain, contract, channels_contract):
    (Owner, A, B, C, D) = web3.eth.accounts[:5]
    other_contract = channels_contract([token.address, 10], {'from': D})
    depozit_B = 100
    depozit_D = 120

    # Allocate some tokens first
    token.transact({"from": Owner}).transfer(B, depozit_B)
    token.transact({"from": Owner}).transfer(D, depozit_D)
    assert token.call().balanceOf(B) == depozit_B
    assert token.call().balanceOf(D) == depozit_D
    assert token.call().balanceOf(contract.address) == 0

    # address - 20 bytes
    txdata = A[2:].zfill(40)
    print('----A', A, txdata)
    txdata = bytes.fromhex(txdata)


    #with pytest.raises(tester.TransactionFailed):
    #    token.transact({"from": B}).transfer(other_contract.address, depozit_B, txdata)
    with pytest.raises(TypeError):
        token.transact({"from": B}).transfer(contract.address, -2, txdata)

    # TODO should this fail?
    #token.transact({"from": B}).transfer(contract.address, depozit_B, A_bytes_fake)
    #A_bytes = '0x829bd824b016326a401d083b33d092293333a830'
    trxid = token.transact({"from": B}).transfer(contract.address, depozit_B, txdata)

    channel_post_create_tests(contract, B, A, depozit_B)

    print('----------------------------------')
    print('GAS USED test_channel_223_create', get_gas_used(chain, trxid))
    print('----------------------------------')
Exemplo n.º 6
0
def test_close_by_receiver(web3, chain, contract, channel):
    (sender, receiver, open_block_number) = channel
    (A) = web3.eth.accounts[3]

    channel_pre_close_tests(contract, channel)
    current_deposit = get_current_deposit(contract, channel)
    balance = current_deposit - 1

    balance_msg = get_balance_message(receiver, open_block_number, balance)
    balance_msg_sig, addr = sign.check(balance_msg, tester.k1)
    balance_msg_sig_false, addr = sign.check(balance_msg, tester.k3)

    with pytest.raises(tester.TransactionFailed):
        contract.transact({
            'from': A
        }).uncooperativeClose(receiver, open_block_number, balance,
                              balance_msg_sig)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({
            'from': receiver
        }).uncooperativeClose(receiver, open_block_number + 1, balance,
                              balance_msg_sig)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({
            'from': receiver
        }).uncooperativeClose(receiver, open_block_number, balance + 1,
                              balance_msg_sig)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({
            'from': receiver
        }).uncooperativeClose(receiver, open_block_number, balance,
                              balance_msg_sig_false)

    receiver_pre_balance = token.call().balanceOf(receiver)
    sender_pre_balance = token.call().balanceOf(sender)
    contract_pre_balance = token.call().balanceOf(contract.address)

    print('--BALANCES', receiver_pre_balance, sender_pre_balance,
          contract_pre_balance)

    trxid = contract.transact({
        'from': receiver
    }).uncooperativeClose(receiver, open_block_number, balance,
                          balance_msg_sig)

    receiver_post_balance = receiver_pre_balance + balance
    sender_post_balance = sender_pre_balance + (current_deposit - balance)
    contract_post_balance = contract_pre_balance - current_deposit

    assert token.call().balanceOf(receiver) == receiver_post_balance
    assert token.call().balanceOf(sender) == sender_post_balance
    assert token.call().balanceOf(contract.address) == contract_post_balance

    channel_settle_tests(contract, channel)

    print('----------------------------------')
    print('GAS USED test_close_by_receiver', get_gas_used(chain, trxid))
    print('----------------------------------')
Exemplo n.º 7
0
def test_close_by_sender(web3, chain, contract, channel):
    (sender, receiver, open_block_number) = channel
    (A) = web3.eth.accounts[3]

    current_deposit = get_current_deposit(contract, channel)
    balance = current_deposit - 1

    balance_message_hash = balance_proof_hash(receiver, open_block_number, balance)
    balance_message_hash_false_receiver = balance_proof_hash(A, open_block_number, balance)

    balance_msg_sig, addr = sign.check(balance_message_hash, tester.k1)
    balance_msg_sig_false_signer, addr = sign.check(balance_message_hash, tester.k3)
    balance_msg_sig_false_receiver, addr = sign.check(balance_message_hash_false_receiver, tester.k3)

    closing_sig, addr = sign.check(balance_message_hash, tester.k2)
    closing_sig_false_signer, addr = sign.check(balance_message_hash, tester.k3)
    closing_sig_false_receiver, addr = sign.check(balance_message_hash_false_receiver, tester.k2)

    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).cooperativeClose(A, open_block_number, balance, balance_msg_sig, closing_sig)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).cooperativeClose(receiver, open_block_number - 3, balance, balance_msg_sig, closing_sig)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).cooperativeClose(receiver, open_block_number, balance + 5, balance_msg_sig, closing_sig)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).cooperativeClose(receiver, open_block_number, balance, balance_msg_sig_false_signer, closing_sig)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).cooperativeClose(receiver, open_block_number, balance, balance_msg_sig_false_receiver, closing_sig)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).cooperativeClose(receiver, open_block_number, balance, balance_msg_sig, closing_sig_false_signer)
    with pytest.raises(tester.TransactionFailed):
        contract.transact({'from': sender}).cooperativeClose(receiver, open_block_number, balance, balance_msg_sig, closing_sig_false_receiver)

    receiver_pre_balance = token.call().balanceOf(receiver)
    sender_pre_balance = token.call().balanceOf(sender)
    contract_pre_balance = token.call().balanceOf(contract.address)

    channel_pre_close_tests(contract, channel)
    trxid = contract.transact({'from': sender}).cooperativeClose(receiver, open_block_number, balance, balance_msg_sig, closing_sig)

    receiver_post_balance = receiver_pre_balance + balance
    sender_post_balance = sender_pre_balance + (current_deposit - balance)
    contract_post_balance = contract_pre_balance - current_deposit

    assert token.call().balanceOf(receiver) == receiver_post_balance
    assert token.call().balanceOf(sender) == sender_post_balance
    assert token.call().balanceOf(contract.address) == contract_post_balance

    channel_settle_tests(contract, channel)

    print('----------------------------------')
    print('GAS USED test_close_by_sender', get_gas_used(chain, trxid))
    print('----------------------------------')