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András Bánki-Horváth 6ac6ee0549
Merge pull request #725 from bhandras/swap-info-fixup
loop: fill the correct HTLC in loopout update
pirms 1 nedēļas
.github build: add postgres unit tests to makefile and CI pirms 9 mēnešiem
cmd cmd: add listinstantouts cmd pirms 4 nedēļām
docs Move DOCKER.md to docs directory pirms 4 mēnešiem
fsm fsm: add early abort observer option pirms 2 mēnešiem
instantout instantout: add listinstantout func pirms 4 nedēļām
labels sweepbatcher: add sweep batch pirms 2 mēnešiem
liquidity multi: use isExternalAddr flag pirms 2 mēnešiem
loopd swapclientserver: add listinstantouts pirms 4 nedēļām
loopdb loopdb: bump sqlc to 1.25.0 pirms 1 nedēļas
looprpc looprpc: add listinstantouts pirms 4 nedēļām
regtest docker-regtest: fix loop-server config pirms 3 mēnešiem
scripts loopdb: bump sqlc to 1.25.0 pirms 1 nedēļas
staticaddr version: static address protocol versions pirms 2 mēnešiem
swap swap: address family for static addresses pirms 2 mēnešiem
swapserverrpc swapserverrpc: add instantout quote req pirms 2 mēnešiem
sweep sweeper: fix formatting and update error pirms 1 gada
sweepbatcher loopout+sweepbatcher: calculate the per sweep onchain fees correctly pirms 4 nedēļām
test build: bump lnd dependency to v0.17.4-beta pirms 2 mēnešiem
tools multi: update linter, fix issues pirms 6 mēnešiem
utils utils: add MuSig2Sign function pirms 2 mēnešiem
.gitignore makefile+travis: add install and build commands pirms 4 gadiem
.golangci.yml multi: update linter, fix issues pirms 6 mēnešiem
Dockerfile build: add postgres unit tests to makefile and CI pirms 9 mēnešiem
LICENSE Update LICENSE pirms 2 gadiem
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README.md Merge branch 'master' into patch-1 pirms 3 gadiem
client.go loop: integrate sweepbatcher to loopout flow pirms 2 mēnešiem
client_test.go loop: fix loopout and client tests for sweeper integration pirms 2 mēnešiem
config.go loop: expose server grpc connection pirms 2 mēnešiem
executor.go loop: integrate sweepbatcher to loopout flow pirms 2 mēnešiem
go.mod build(deps): bump github.com/docker/docker pirms 1 nedēļas
go.sum build(deps): bump github.com/docker/docker pirms 1 nedēļas
interface.go multi: use isExternalAddr flag pirms 2 mēnešiem
log.go multi: add persistent logger pirms 4 gadiem
loopin.go loop: clean up server cost calculation for slightly better UX pirms 4 nedēļām
loopin_test.go unit: adjust for incorrect amount sweep pirms 1 mēnesi
loopin_testcontext_test.go multi: move StoreMock to loopdb pirms 2 mēnešiem
loopout.go loop: fill the correct HTLC in loopout update pirms 1 nedēļas
loopout_test.go loop: fix loopout and client tests for sweeper integration pirms 2 mēnešiem
release.sh build: add darwin-arm64 (Apple Silicon) as a release target pirms 6 mēnešiem
release_notes.md version: bump version to v0.27.0-beta pirms 2 mēnešiem
routing_plugin.go multi: bump btcec/v2 and btcutil to new versions pirms 2 gadiem
routing_plugin_test.go chore: fix typos pirms 4 mēnešiem
sample-loopd.conf conf: sample config for loopd pirms 6 mēnešiem
server_mock_test.go multi: move StoreMock to loopdb pirms 2 mēnešiem
sqlc.yaml tools: add sqlc generation tools pirms 9 mēnešiem
swap.go utils: add htlc & swap related helpers pirms 2 mēnešiem
swap_server_client.go loop: integrate sweepbatcher to loopout flow pirms 2 mēnešiem
testcontext_test.go loop: fix loopout and client tests for sweeper integration pirms 2 mēnešiem
uncharge_state.go loop: extract code from client package into new loop primary package pirms 5 gadiem
updates.go multi: consume and log sever state updates pirms 4 gadiem
utils.go multi: update linter, fix issues pirms 6 mēnešiem
version.go version: bump version to v0.28.0-beta pirms 3 nedēļām

README.md

Lightning Loop

Lightning Loop is a non-custodial service offered by Lightning Labs that makes it easy to move bitcoin into and out of the Lightning Network.

Features

  • Automated channel balancing
  • Privacy-forward non-custodial swaps
  • Opportunistic transaction batching to save on fees
  • Progress monitoring of in-flight swaps

Use Cases

  • Automate channel balancing with AutoLoop (Learn more)
  • Deposit to a Bitcoin address without closing channels with Loop In
  • Convert outbound liquidity into inbound liquidity with Loop Out
  • Refill depleted Lightning channels with Loop In

Installation

Download the latest binaries from the releases page.

Execution

The Loop client needs its own short-lived daemon to facilitate swaps. To start loopd:

loopd

To use Loop in testnet, simply pass the network flag:

loopd --network=testnet

By default loopd attempts to connect to the lnd instance running on localhost:10009 and reads the macaroon and tls certificate from ~/.lnd. This can be altered using command line flags. See loopd --help.

Usage

AutoLoop

AutoLoop makes it easy to keep your channels balanced. Checkout our autoloop documentation for details.

Loop Out

Use Loop Out to move bitcoins on Lightning into an on-chain Bitcoin address.

To execute a Loop Out:

loop out <amt_in_satoshis>

Other notable options:

  • Use the --fast flag to swap immediately (Note: This opts-out of fee savings made possible by transaction batching)
  • Use the --channel flag to loop out on specific channels
  • Use the --addr flag to specify the address the looped out funds should be sent to (Note: By default funds are sent to the lnd wallet)

Run loop monitor to monitor the status of a swap.

Loop In

Use Loop In to convert on-chain bitcoin into spendable Lightning funds.

To execute a Loop In:

loop in <amt_in_satoshis>

More info

For more information about using Loop checkout our Loop FAQs.

Development

Regtest

To get started with local development against a stripped down dummy Loop server running in a local regtest Bitcoin network, take a look at the regtest server environment example documentation.

Testnet

To use Loop in testnet, simply pass the network flag:

loopd --network=testnet

Submit feature requests

The GitHub issue tracker can be used to request specific improvements or report bugs.

Join us on Slack

Join us on the LND Slack and join the #loop channel to ask questions and interact with the community.

LND

Note that Loop requires lnd to be built with all of its subservers. Download the latest official release binary or build lnd from source by following the installation instructions. If you choose to build lnd from source, use the following command to enable all the relevant subservers:

make install tags="signrpc walletrpc chainrpc invoicesrpc"

API

The Loop daemon exposes a gRPC API (defaults to port 11010) and a REST API (defaults to port 8081).

The gRPC and REST connections of loopd are encrypted with TLS and secured with macaroon authentication the same way lnd is.

If no custom loop directory is set then the TLS certificate is stored in ~/.loop/<network>/tls.cert and the base macaroon in ~/.loop/<network>/loop.macaroon.

The loop command will pick up these file automatically on mainnet if no custom loop directory is used. For other networks it should be sufficient to add the --network flag to tell the CLI in what sub directory to look for the files.

For more information on macaroons, see the macaroon documentation of lnd.

NOTE: Loop's macaroons are independent from lnd's. The same macaroon cannot be used for both loopd and lnd.

Build from source

If youd prefer to build from source:

git clone https://github.com/lightninglabs/loop.git
cd loop/cmd
go install ./...