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ziggie 02c1264c53
multi: prevent nil panics in stop methods. 
With this PR we might call the stop method even when the start
method of a subsystem did not successfully finish therefore we
need to make sure we guard the stop methods for potential panics
if some variables are not initialized in the contructors of the
subsystems.
2024-07-31 14:43:34 +02:00
..
bitcoindnotify multi: prevent nil panics in stop methods. 2024-07-31 14:43:34 +02:00
btcdnotify chainntnfs+sweep: add LookupInputMempoolSpend and use it in the 2024-04-19 21:33:24 +08:00
neutrinonotify multi: prevent nil panics in stop methods. 2024-07-31 14:43:34 +02:00
test chainntnfs: fix race in TestInterfaces 2024-03-26 12:59:02 +08:00
best_block_view_test.go chainntnfs: introduce system for chain state tracking and querying 2023-10-19 09:22:07 -07:00
best_block_view.go chainntnfs: introduce system for chain state tracking and querying 2023-10-19 09:22:07 -07:00
errors.go chainntnfs: move cache implementation to channeldb 2023-01-16 03:13:17 -08:00
interface_dev.go multi: add golang 1.17 compatible build tags 2021-09-29 17:31:37 -07:00
interface.go chainntnfs+sweep: add LookupInputMempoolSpend and use it in the 2024-04-19 21:33:24 +08:00
log.go multi: init subsystem loggers via build pkg 2018-10-05 13:04:45 +09:00
mempool_test.go chainntnfs: return an error when witness stack is empty 2023-10-31 01:44:43 +08:00
mempool.go chainntnfs: stop lnd when received witness stack is empty 2023-10-31 01:44:43 +08:00
mocks.go lnwallet+sweep: introduce TxPublisher to handle fee bump 2024-04-19 21:33:29 +08:00
README.md scripted-diff: replace ⛰ emoji with $ [skip ci] 2022-10-28 12:06:49 -04:00
test_utils.go chainntnfs+lntest: fix TestInterfaces 2024-07-24 17:43:27 +08:00
txnotifier_test.go chore: fix some function names 2024-05-15 11:41:23 +08:00
txnotifier.go sweep: improve loggings based on feedback 2024-05-21 00:53:24 +08:00

README.md

chainntnfs

Build Status MIT licensed GoDoc

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 txid has 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