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LIGHTNING-00-install.md

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Lightning

Lightning Installation Guide is used to build the dependencies (Go), currency daemons (btcd and ltcd) and the actual lnd daemon.

Install Lightning Dependencies

Download 1.9.5 package from offical Go repository and uncompress to /usr/local

$ sudo tar -C /usr/local -xzf go1.9.5.linux-amd64.tar.gz

Add the following lines to the end of $HOME/.bashrc

# add Go paths
export GOPATH=$HOME/go
export PATH=/usr/local/go/bin:$GOPATH/bin:$PATH

Build Lightning Daemon

Official lnd does not support cross chain swaps, so a specific fork/branch should be built

Cross-chain swap enabled lnd

Install Glide

$ go get -u github.com/Masterminds/glide

To build and install xchain-swap enabled experimental lnd daemon referenced here

$ git clone -b swapz https://github.com/cfromknecht/lnd.git $GOPATH/src/github.com/lightningnetwork/lnd
$ cd $GOPATH/src/github.com/lightningnetwork/lnd
$ glide install
$ go install . ./cmd/...

Bitcoin full node implementation btcd

Build and install btcd Bitcoin full node implementation

$ git clone https://github.com/roasbeef/btcd $GOPATH/src/github.com/roasbeef/btcd
$ cd $GOPATH/src/github.com/roasbeef/btcd
$ glide install
$ go install . ./cmd/...

Litecoin full node implementation ltcd

Build and install ltcd Litecoin full node implementation

$ git clone https://github.com/ltcsuite/ltcd.git $GOPATH/src/github.com/ltcsuite/ltcd
$ cd $GOPATH/src/github.com/ltcsuite/ltcd
$ glide install
$ go install . ./cmd/...

Setup Blockchain Clients

for Bitcoin

Running the following command will create rpc.cert
Bitcoin testnet blockchain is downloaded to $HOME/.btcd by default

$ btcd --testnet --txindex --rpcuser=kek --rpcpass=kek

Sync progress may be tracked as follows

$ btcctl --testnet --rpcuser=kek --rpcpass=kek getinfo

for Litecoin

Running the following command will create rpc.cert
Litecoin testnet blockchain is downloaded to $HOME/.ltcd by default

$ ltcd --testnet --txindex --rpcuser=kek --rpcpass=kek

Sync progress may be tracked as follows

$ ltcctl --testnet --rpcuser=kek --rpcpass=kek getinfo

Running Lightning Daemon

After testnet sync is done, following command can be use to launch lnd for testing
Lightning data is stored in $HOME/.lnd by default

$ lnd --debuglevel=debug --nobootstrap --bitcoin.active --bitcoin.testnet --bitcoin.rpcuser=kek --bitcoin.rpcpass=kek --litecoin.active --litecoin.testnet --litecoin.rpcuser=kek --litecoin.rpcpass=kek