A sidecar ticket will always use the minimum version needed to encode
all the relavant information for that offer. In that way the tickets
from a provider with a newer version can be redeemed by recipeients
using older versions as long as the ticket does not encode new
functionalities.
In this commit, we add a new set of functional options that will allow
the caller to pick an default channel type w/o forcing the main parse
function to be aware of this logic.
The `mockgen` tool seems to have a bug and it is not able to parse a
valid go file. I had to change the `[sha256.Size]byte` to `[size]byte`
and define `hashSize` in the order package in the same way it is defined in
the sha256 one.
The auctioneer will now provide a height hint along with every proposed
batch it sends to traders. This height hint is then used by each trader
to base off their absolute lease expiration height, such that they can
agree on the same value and avoid any divergences due to block
propagation discrepancies between them.
Previously, the channel type was being recorded by the auctioneer only,
but there was no way for a trader to set its preference. Now that we
want to support that, we move the ChannelType definition to the Pool
source code, as done in this commit.
As part of introducing this new field, a new version bump was required
to compute the proper digest of each order.
To remain backwards compatible, we define the default channel type to be
"peer dependent". This implies that the channel type will vary based on
the node features shared between the asker and bidder. We also define a
new channel type to denote that channels resulting from matched orders
must have their lease expiration enforced in the scripts of their
commitment transactions.
For the batch verify test, the dust limit is now smaller by 160
satoshis, so we reduce the main account by this amount in order to
commit a minimal diff, rather than overhaul the test to be more robust.
If we're the provider of a sidecar channel then we don't actually have
the private key of the funding multisig key. Therefore we cannot
re-derive it on demand and have to use the key provided in the sidecar
ticket instead.
The local database can now store a sidecar ticket with a bid order. We
now also need to accept it on the local RPC interface and forward it to
the auctioneer.
With this commit we add the optional sidecar ticket to bid orders.
Because the node submitting the bid order doesn't necessarily need to be
the node creating the offer, we just store the ticket as is and don't
require it to be in the database already.
We need to use the DefaultBatchStepTimeout variable outside of the
funding manager as well and move it to the order package to not create a
circular dependency when accessing it from the root package.
When validating a batch we need to make sure that all three parties
(maker, taker, server) come up with the same account ending state after
matching a bid order with a push amount.
With this commit we add the new SelfChanBalance to the bid order. We
also add a new version for orders that signals compatibility with that
new field. A version increase on the ask side is needed to make sure the changes in
the asker's account balance are interpreted correctly on batch
validation.
The order manager already stores the local lnd node's identity public
key. We return it in an exported method so the RPC server can access it
as well without needing to query it again.
To make sure we only allow querying it after the manager is started, we
add an atomic flag for the startup state.
