def add_payment_channel_listener( self, payment_channel_proxy: PaymentChannel, from_block: typing.BlockSpecification = 'latest', ): payment_channel_filter = payment_channel_proxy.all_events_filter(from_block=from_block) channel_identifier = payment_channel_proxy.channel_identifier() self.add_event_listener( f'PaymentChannel event {channel_identifier}', payment_channel_filter, raiden_contracts.contract_manager.CONTRACT_MANAGER.get_contract_abi( CONTRACT_TOKEN_NETWORK, ), )
def test_payment_channel_proxy_basics( token_network_proxy, private_keys, blockchain_rpc_ports, token_proxy, chain_id, web3, ): token_network_address = to_canonical_address( token_network_proxy.proxy.contract.address) c1_client = JSONRPCClient( '0.0.0.0', blockchain_rpc_ports[0], private_keys[1], web3=web3, ) c2_client = JSONRPCClient( '0.0.0.0', blockchain_rpc_ports[0], private_keys[2], web3=web3, ) c1_token_network_proxy = TokenNetwork( c1_client, token_network_address, ) c2_token_network_proxy = TokenNetwork( c2_client, token_network_address, ) channel_proxy_1 = PaymentChannel(c1_token_network_proxy, c2_client.sender) channel_proxy_2 = PaymentChannel(c2_token_network_proxy, c1_client.sender) event_filter = channel_proxy_1.all_events_filter( from_block=web3.eth.blockNumber, to_block='latest', ) # test basic assumptions assert channel_proxy_1.channel_identifier( ) == channel_proxy_2.channel_identifier() assert channel_proxy_1.opened() is False assert channel_proxy_2.opened() is False assert channel_proxy_1.closed() is False assert channel_proxy_2.closed() is False events = event_filter.get_all_entries() assert len(events) == 0 # no event for this channel yet # create a channel channel_identifier = c1_token_network_proxy.new_netting_channel( c2_client.sender, NETTINGCHANNEL_SETTLE_TIMEOUT_MIN, ) assert channel_identifier is not None assert channel_proxy_1.channel_identifier() == channel_identifier assert channel_proxy_1.opened() is True # check the settlement timeouts assert channel_proxy_1.settle_timeout() == channel_proxy_2.settle_timeout() assert channel_proxy_1.settle_timeout( ) == NETTINGCHANNEL_SETTLE_TIMEOUT_MIN events = event_filter.get_all_entries() assert len(events) == 1 # ChannelOpened # test deposits initial_token_balance = 100 token_proxy.transfer(c1_client.sender, initial_token_balance) initial_balance_c1 = token_proxy.balance_of(c1_client.sender) assert initial_balance_c1 == initial_token_balance initial_balance_c2 = token_proxy.balance_of(c2_client.sender) assert initial_balance_c2 == 0 # actual deposit channel_proxy_1.deposit(10) events = event_filter.get_all_entries() assert len(events) == 2 # ChannelOpened, ChannelNewDeposit # balance proof by c2 transferred_amount = 3 balance_proof = BalanceProof( channel_identifier=encode_hex(channel_identifier), token_network_address=to_checksum_address(token_network_address), nonce=1, chain_id=chain_id, transferred_amount=transferred_amount, ) balance_proof.signature = encode_hex( sign_data(encode_hex(private_keys[1]), balance_proof.serialize_bin()), ) # correct close c2_token_network_proxy.close( c1_client.sender, balance_proof.nonce, balance_proof.balance_hash, balance_proof.additional_hash, decode_hex(balance_proof.signature), ) assert channel_proxy_1.closed() is True assert channel_proxy_2.closed() is True events = event_filter.get_all_entries() assert len(events) == 3 # ChannelOpened, ChannelNewDeposit, ChannelClosed # check the settlement timeouts again assert channel_proxy_1.settle_timeout() == channel_proxy_2.settle_timeout() assert channel_proxy_1.settle_timeout( ) == NETTINGCHANNEL_SETTLE_TIMEOUT_MIN # update transfer wait_blocks(c1_client.web3, NETTINGCHANNEL_SETTLE_TIMEOUT_MIN) c2_token_network_proxy.settle( 0, 0, EMPTY_HASH, c1_client.sender, transferred_amount, 0, EMPTY_HASH, ) assert channel_proxy_1.settled() is True assert channel_proxy_2.settled() is True events = event_filter.get_all_entries() assert len( events ) == 4 # ChannelOpened, ChannelNewDeposit, ChannelClosed, ChannelSettled