def send_mediatedtransfer(
initiator_state: InitiatorTransferState,
channel_state: NettingChannelState,
block_number: typing.BlockNumber,
) -> SendMediatedTransfer:
""" Create a mediated transfer using channel.
Raises:
AssertionError: If the channel does not have enough capacity.
"""
assert channel_state.token_address == initiator_state.transfer_description.token
transfer_description = initiator_state.transfer_description
lock_expiration = get_initial_lock_expiration(
block_number,
channel_state.settle_timeout,
)
mediatedtransfer_event = channel.send_mediatedtransfer(
channel_state,
transfer_description.initiator,
transfer_description.target,
transfer_description.amount,
transfer_description.identifier,
lock_expiration,
transfer_description.hashlock,
)
assert mediatedtransfer_event
initiator_state.transfer = mediatedtransfer_event.transfer
return mediatedtransfer_event
def send_lockedtransfer(
initiator_state: InitiatorTransferState,
channel_state: NettingChannelState,
message_identifier,
block_number: typing.BlockNumber,
) -> SendLockedTransfer:
""" Create a mediated transfer using channel.
Raises:
AssertionError: If the channel does not have enough capacity.
"""
transfer_token_address = initiator_state.transfer_description.token_network_identifier
assert channel_state.token_network_identifier == transfer_token_address
transfer_description = initiator_state.transfer_description
lock_expiration = get_initial_lock_expiration(
block_number,
channel_state.settle_timeout,
)
lockedtransfer_event = channel.send_lockedtransfer(
channel_state,
transfer_description.initiator,
transfer_description.target,
transfer_description.amount,
message_identifier,
transfer_description.payment_identifier,
lock_expiration,
transfer_description.secrethash,
)
assert lockedtransfer_event
initiator_state.transfer = lockedtransfer_event.transfer
return lockedtransfer_event
def send_lockedtransfer(
initiator_state: InitiatorTransferState,
channel_state: NettingChannelState,
message_identifier,
block_number: typing.BlockNumber,
) -> SendLockedTransfer:
""" Create a mediated transfer using channel.
Raises:
AssertionError: If the channel does not have enough capacity.
"""
transfer_token_address = initiator_state.transfer_description.token_network_identifier
assert channel_state.token_network_identifier == transfer_token_address
transfer_description = initiator_state.transfer_description
lock_expiration = get_initial_lock_expiration(
block_number,
channel_state.settle_timeout,
)
lockedtransfer_event = channel.send_lockedtransfer(
channel_state,
transfer_description.initiator,
transfer_description.target,
transfer_description.amount,
message_identifier,
transfer_description.payment_identifier,
lock_expiration,
transfer_description.secrethash,
)
assert lockedtransfer_event
initiator_state.transfer = lockedtransfer_event.transfer
return lockedtransfer_event