Method get_channel

raiden/api/python.py:238–263

(
        self,
        registry_address: TokenNetworkRegistryAddress,
        token_address: TokenAddress,
        partner_address: Address,
    )

            )

    def get_channel(
        self,
        registry_address: TokenNetworkRegistryAddress,
        token_address: TokenAddress,
        partner_address: Address,
    ) -> NettingChannelState:
        if not is_binary_address(token_address):
            raise InvalidBinaryAddress("Expected binary address format for token in get_channel")

        if not is_binary_address(partner_address):
            raise InvalidBinaryAddress("Expected binary address format for partner in get_channel")

        with opentracing.tracer.start_span("get_channel_list"):
            channel_list = self.get_channel_list(registry_address, token_address, partner_address)
        msg = f"Found {len(channel_list)} channels, but expected 0 or 1."
        assert len(channel_list) <= 1, msg

        if not channel_list:
            msg = (
                f"Channel with partner '{to_checksum_address(partner_address)}' "
                f"for token '{to_checksum_address(token_address)}' could not be "
                f"found."
            )
            raise ChannelNotFound(msg)

        return channel_list[0]

    def token_network_register(
        self,