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yyforyongyu 11f7e455d1
lnwallet+sweep: introduce TxPublisher to handle fee bump 
This commit adds `TxPublisher` which implements `Bumper` interface. This
is part one of the implementation that focuses on implementing the
`Broadcast` method which guarantees a tx can be published with
RBF-compliant. It does so by leveraging the `testmempoolaccept` API,
keep increasing the fee rate until an RBF-compliant tx is made and
broadcasts it.

This tx will then be monitored by the `TxPublisher` and in the following
commit, the monitoring process will be added.
2024-04-19 21:33:29 +08:00
..
bitcoindnotify chainntnfs+sweep: add LookupInputMempoolSpend and use it in the 2024-04-19 21:33:24 +08:00
btcdnotify chainntnfs+sweep: add LookupInputMempoolSpend and use it in the 2024-04-19 21:33:24 +08:00
neutrinonotify multi: wrap all errors 2024-04-11 15:04:03 +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 multi: move unit test backend funcs to new package 2024-03-18 16:13:39 +01:00
txnotifier_test.go chainntnfs: return an error when witness stack is empty 2023-10-31 01:44:43 +08:00
txnotifier.go chainntnfs: stop lnd when received witness stack is empty 2023-10-31 01:44:43 +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