Implement blockbeat
#9315
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Implement blockbeat
#9315
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Also updated the loggings. This new state will be used in the following commit.
This prepares the following commit where we now let the fee bumpr decides whether to broadcast immediately or not.
This commit changes how inputs are handled upon receiving a bump result. Previously the inputs are taken from the `BumpResult.Tx`, which is now instead being handled locally as we will remember the input set when sending the bump request, and handle this input set when a result is received.
This commit adds a new method `handleInitialBroadcast` to handle the initial broadcast. Previously we'd broadcast immediately inside `Broadcast`, which soon will not work after the `blockbeat` is implemented as the action to publish is now always triggered by a new block. Meanwhile, we still keep the option to bypass the block trigger so users can broadcast immediately by setting `Immediate` to true.
Previously in `markInputFailed`, we'd remove all inputs under the same group via `removeExclusiveGroup`. This is wrong as when the current sweep fails for this input, it shouldn't affect other inputs.
Also updated `handlePendingSweepsReq` to skip immature inputs so the returned results are the same as those in pre-0.18.0.
With the combination of the following commit we can have a more granular control over the bump result when handling it in the sweeper.
After previous commit, it should be clear that the tx may be failed to created in a `TxFailed` event. We now make sure to catch it to avoid panic.
This commit inits the package `chainio` and defines the interface `Blockbeat` and `Consumer`. The `Consumer` must be implemented by other subsystems if it requires block epoch subscription.
In this commit, a minimal implementation of `Blockbeat` is added to synchronize block heights, which will be used in `ChainArb`, `Sweeper`, and `TxPublisher` so blocks are processed sequentially among them.
This commit adds two methods to handle dispatching beats. These are exported methods so other systems can send beats to their managed subinstances.
This commit adds a blockbeat dispatcher which handles sending new blocks to all subscribed consumers.
This commit implements `Consumer` on `TxPublisher`, `UtxoSweeper`, `ChainArbitrator` and `ChannelArbitrator`.
This commit removes the independent block subscriptions in `UtxoSweeper` and `TxPublisher`. These subsystems now listen to the `BlockbeatChan` for new blocks.
This commit removes the hack introduced in #4851. Previously we had this issue because the chain notifier was stopped before the sweeper, which was changed a while back and we now always stop the chain notifier last. In addition, since we no longer subscribe to the block epoch chan directly, this issue can no longer happen.
The sweeper can handle the waiting so there's no need to wait for blocks inside the resolvers. By offering the inputs prior to their mature heights also guarantees the inputs with the same deadline are aggregated.
This commit removes the block subscriptions used in `ChainArbitrator` and replaced them with the blockbeat managed by `BlockbeatDispatcher`.
This commit removes the block subscriptions used in `ChannelArbitrator`, replaced them with the blockbeat managed by `BlockbeatDispatcher`.
This `immediate` flag was added as a hack so during a restart, the pending resolvers would offer the inputs to the sweeper and ask it to sweep them immediately. This is no longer need due to `blockbeat`, as now during restart, a block is always sent to all subsystems via the flow `ChainArb` -> `ChannelArb` -> resolvers -> sweeper. Thus, when there are pending inputs offered, they will be processed by the sweeper immediately.
To avoid calling GetBestBlock again.
This is needed so the consumers have an initial state about the current block.
In this commit we start to break up the starting process into smaller pieces, which is needed in the following commit to initialize blockbeat consumers.
Refactor the `Start` method to fix the linter error: ``` contractcourt/chain_arbitrator.go:568: Function 'Start' is too long (242 > 200) (funlen) ```
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Open this branch to keep track of rebase conflicts. This is the final branch that will be merged into the master once all the following PRs are done,
blockbeat#8894blockbeat#9276ConsumerinchainWatcher#9277blockbeat#9227