lnd.xprv/chainntnfs/README.md

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chainntnfs
==========
[![Build Status](http://img.shields.io/travis/lightningnetwork/lnd.svg)]
(https://travis-ci.org/lightningnetwork/lnd)
[![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)]
[![GoDoc](https://img.shields.io/badge/godoc-reference-blue.svg)]
(http://godoc.org/github.com/lightningnetwork/lnd/chainntnfs)
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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
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specific use cases within `lnd` outlined above. The current sole concrete
implementation of the `ChainNotifier` interface depends on `btcd`.
## Installation and Updating
```bash
$ go get -u github.com/lightningnetwork/lnd/chainntnfs
```