6b6beb4d7d
We would establish the connection to the chain backend and start getting block notifications before we had started the concurrent queues, which would lead to the OnBlockConnected call being blocked, and a deadlock (since GetBestBlock would never return). Instead we make sure to start the queues before establishing the connection, consuming the notifications right away. |
||
|---|---|---|
| .. | ||
| bitcoindnotify | ||
| btcdnotify | ||
| neutrinonotify | ||
| height_hint_cache_test.go | ||
| height_hint_cache.go | ||
| interface_dev.go | ||
| interface_test.go | ||
| interface.go | ||
| log.go | ||
| README.md | ||
| test_utils.go | ||
| txnotifier_test.go | ||
| txnotifier.go | ||
chainntnfs
The chainntnfs package implements a set of interfaces which allow callers to receive notifications in response to specific on-chain events. The set of notifications available include:
- Notifications for each new block connected to the current best chain.
- Notifications once a
txidhas reached a specified number of confirmations. - Notifications once a target outpoint (
txid:index) has been spent.
These notifications are used within lnd in order to properly handle the
workflows for: channel funding, cooperative channel closures, forced channel
closures, channel contract breaches, sweeping time-locked outputs, and finally
pruning the channel graph.
This package is intentionally general enough to be applicable outside the
specific use cases within lnd outlined above. The current sole concrete
implementation of the ChainNotifier interface depends on btcd.
Installation and Updating
$ go get -u github.com/lightningnetwork/lnd/chainntnfs