How to Setup Block Service Node, XBridge, and Enterprise XRouter

buzzkillb · November 13, 2020

The idea is to run the blocknet daemon as your main wallet daemon (like a masternode), and have that setup to talk to your other wallet daemons. For example blocknet daemon will be setup with XBridge for the native Wallet to native Wallet atomic swaps. If someone wants to atomic swap between Block and Litecoin they will need a service node running the Block and Litecoin daemons. If someone wants to atomic swap between Litecoin and Denarius they will need a service node running Litecoin and Denarius daemons. Once finished you will be running a Block service node with XBridge and Enterprise XRouter all behind a Cloudflare tls/ssl proxy.

WORK IN PROGRESS!

The setup will require

Blocknet Daemon
Litecoin Daemon
Denarius Daemon
Free Cloudflare Account (Enterprise XRouter)
Domain Name (Enterprise XRouter)

I would suggest running Block and Litecoin at the very least for a service node.

The goal is to show the main Block service node setup with XBridge and XRouter, grabbing the Litecoin Binary, and compiling Denarius daemon binary.

To find sample xbridge.conf for your coin https://github.com/blocknetdx/blockchain-configuration-files/tree/master/xbridge-confs
To find sample coin.conf for your coin https://github.com/blocknetdx/blockchain-configuration-files/tree/master/wallet-confs

Prepare VPS/VM
install ufw
install fail2ban
setup user blockhead
remove root login and password logins
setup ssh keys - Windows 10 - https://blockforums.org/topic/448-how-to-setup-block-service-node-xbridge-and-enterprise-xrouter/?do=findComment&comment=3434

Setup Block
Go to github to find your binary, this will change as new wallets release over time.
https://github.com/blocknetdx/blocknet

Releases and then find your OS type, x86_64

Download the binary by right clicking the one you want and copy link and put into the wget command.

wget https://github.com/blocknetdx/blocknet/releases/download/v4.3.1/blocknet-4.3.1-x86_64-linux-gnu.tar.gz

untar binary

tar xzvf blocknet-4.3.1-x86_64-linux-gnu.tar.gz

copy to /usr/local/bin (maybe? not sure)

adjust blocknet.conf

nano ~/.blocknet/blocknet.conf

To save your file ctrl+o, or I just ctrl+x to save and exit nano.

Sample blocknet.conf

server=1
listen=1
rpcuser=blocknetuser
rpcpassword=decentlystrongpassword
rpcallowip=127.0.0.1
port=41412
rpcport=41414
txindex=1
daemon=1

enableexchange=1
servicenode=1
rpcthreads=8
xrouter=1

run daemon and sync

cd blocknet-4.3.1-x86_64-linux-gnu
cd bin
./blocknetd

to stop daemon

./blocknet-cli stop

Setup crontab so blocknet will run on reboot

crontab -e

Add this line to the bottom for reboot, notice I am leaving the binary in its untarred directory. blockhead is the username we chose from above.

@reboot /home/blockhead/blocknet-4.3.1/bin/blocknetd

Setup Litecoin
wget binary
unzip binary
move to /usr/local/bin
adjust .conf
run daemon and sync

Setup Denarius
install snap
adjust .conf
run daemon and sync

edit Block XBridge conf, we will add BLOCK, LTC, and D.

nano ~/.blocknet/xbridge.conf

Sample xbridge.conf

[Main]
ExchangeWallets=BLOCK,LTC,D
FullLog=true
LogPath=
ExchangeTax=300
ShowAllOrders=false
[BLOCK]
Title=Blocknet
Ip=127.0.0.1
Username=blocknetuser
Password=decentlystrongpassword
Port=41414
AddressPrefix=26
ScriptPrefix=28
SecretPrefix=154
COIN=100000000
MinimumAmount=0
TxVersion=1
DustAmount=0
CreateTxMethod=BTC
GetNewKeySupported=true
ImportWithNoScanSupported=true
MinTxFee=10000
BlockTime=60
FeePerByte=20
Confirmations=0
Address=
TxWithTimeField=false
LockCoinsSupported=false
JSONVersion=
ContentType=
CashAddrPrefix=
[LTC]
Title=Litecoin
Address=
Ip=127.0.0.1
Port=9332
Username=litecoinuser
Password=Password=decentlystrongpassword
AddressPrefix=48
ScriptPrefix=50
SecretPrefix=176
COIN=100000000
MinimumAmount=0
DustAmount=0
CreateTxMethod=BTC
GetNewKeySupported=true
ImportWithNoScanSupported=true
FeePerByte=10
MinTxFee=5000
TxVersion=2
BlockTime=150
Confirmations=0
TxWithTimeField=false
LockCoinsSupported=false
JSONVersion=
ContentType=
CashAddrPrefix=
[D]
Title=Denarius
Ip=127.0.0.1
Port=32369
AddressPrefix=30
ScriptPrefix=90
SecretPrefix=158
COIN=100000000
MinimumAmount=0
TxVersion=1
DustAmount=0
CreateTxMethod=BTC
GetNewKeySupported=true
ImportWithNoScanSupported=true
MinTxFee=2000
BlockTime=30
FeePerByte=5
Confirmations=0
Username=denariususer
Password=decentlystrongpassword
Address=
TxWithTimeField=true
LockCoinsSupported=false
JSONVersion=
ContentType=
CashAddrPrefix=

edit Block XRouter.conf

nano ~/.blocknet/xrouter.conf

Sample xrouter.conf

[Main]
#! host is a mandatory field, this tells the XRouter network how to find your node.
#! DNS and ip addresses are acceptable values.
#! host=mynode.example.com
#! host=208.67.222.222
host=api.denarius.pro
wallets=BLOCK,LTC,D
plugins=0
fee=0

#! port is the tcpip port on the host that accepts xrouter connections.
#! port will default to the default blockchain port (e.g. 41412), examples:
#! port=41412
#! port=80
#! port=8080
port=80

#! tls signals to the xrouter network that your endpoint supports TLS/SSL connections.
#! The default is 0 (false).
#! tls=1
tls=1

#! maxfee is the maximum fee (in BLOCK) you're willing to pay on a single xrouter call
#! 0 means you only want free calls
maxfee=0

#! consensus is the minimum number of nodes you want your xrouter calls to query (1 or more)
#! Paid calls will send a payment to each selected service node.
consensus=1

#! timeout is the maximum time in seconds you're willing to wait for an XRouter response
timeout=30

#! Optionally set per-call config options:
#! [xrGetBlockCount]
#! maxfee=0.01

#! [BLOCK::xrGetBlockCount]
#! maxfee=0.01

#! [SYS::xrGetBlockCount]
#! maxfee=0.01

#! It's possible to set config options for Custom XRouter services
#! [xrs::GetBestBlockHashBTC]
#! maxfee=0.1

#! Plugin help documentation can be set here as well as in the plugin conf.
#! [xrs::ExampleRPC]
#! help=The plugin documentation here.
[xrGetBlockCount]
fee=0.01

[xrGetBlockHash]
fee=0.01

[xrGetTransaction]
fee=0.1
clientrequestlimit=20

[BTC::xrGetTransactions]
fee=0.5
timeout=50
fetchlimit=20

[BTC::xrGetBlocks]
fee=0.3
timeout=30
fetchlimit=20

[xrGetBlocks]
disabled=1
fetchlimit=50

Once done you want to reload everything. I setup a simple bash script in the blocknet-releasenumber/bin folder called pingping.sh. Example folder cd ~/blocknet-4.3.1/bin/

nano pingping.sh

sample pingping.sh

#!/bin/bash
printf "reload xbridge\n"
./blocknet-cli dxLoadXBridgeConf
printf "reload xrouter\n"
./blocknet-cli xrReloadConfigs
printf "list tokens\n"
./blocknet-cli dxGetLocalTokens
printf "XrStatus\n"
./blocknet-cli xrStatus
printf "send service node ping\n"
./blocknet-cli servicenodesendping

chmod the file to allow execution and run

chmod +x pingping.sh
./pingping.sh

If all of the above worked should see something like this at the end for every coin you are running.

"status": "running",
  "services": [
    "BLOCK",
    "BTC",
    "D",
    "DASH",
    "DGB",
    "DOGE",
    "DVT",
    "LTC",
    "MONA",
    "PHR",
    "RVN",
    "XSN",
    "XVG",
    "XZC",
    "xr",
    "xr::BLOCK",
    "xr::BTC",
    "xr::D",
    "xr::DASH",
    "xr::DGB",
    "xr::DOGE",
    "xr::DVT",
    "xr::LTC",
    "xr::MONA",
    "xr::PHR",
    "xr::RVN",
    "xr::XSN",
    "xr::XVG",
    "xr::XZC"
  ]

setup Enterprise XRouter xrproxy docker

buzzkillb · November 13, 2020

I would use Windows SSH instead of Putty. Its just easier to use ssh if on Windows 10.

Go into powershell, bottom left and type

powershell

Double check you have ssh

ssh

Generate your ssh key, replace the email with something, doesn't really matter.

ssh-keygen -t ed25519 -C "[email protected]"

push enter on the default directory and file this gives, and push enter to keep the passphrase empty

I am already in the .ssh folder, to get into this, powershell starts you in the C:\Users\Name folder. To get into .ssh

cd .ssh

Could backup your keys to a USB drive, but easier to just generate these on each machine you login to your VPS with.

Now to copy the public key to the VPS so you can login without a password and only use your newly generated key. using sftp as windows doesn't have the ssh-copy-id command.

PS C:\Users\Ryzen\.ssh> sftp [email protected]
[email protected]'s password:
Connected to [email protected].
sftp> ls
blocknet litecoin denarius
sftp> cd .ssh
sftp> ls
authorized_keys
sftp> put id_ed25519.pub authorized_keys
Uploading id_ed25519.pub to /home/blockhead/.ssh/authorized_keys
id_ed25519.pub                                                                                                                                                   100%   99     0.6KB/s   00:00
sftp> bye
PS C:\Users\Ryzen\.ssh>

And now we can login without using a password all from Windows 10, no putty required.

PS C:\Users\Ryzen\.ssh> ssh [email protected]
Welcome to Ubuntu 20.04.1 LTS (GNU/Linux 5.4.0-42-generic x86_64)

buzzkillb · November 13, 2020

Grab Litecoin daemon binary

buzzkillb · November 13, 2020

Compile Bitcoin daemon binary

buzzkillb · November 13, 2020

Run Denarius snap daemon

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How to Setup Block Service Node, XBridge, and Enterprise XRouter

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