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Groestlcoin Development & Technical Discussion / ZAP GRS Android released
« Last post by jackielove4u on December 22, 2019, 08:52:23 pm »


ZAP GRS Android: native android lightning wallet focused on user experience and ease of use


ZAP GRS Android is a free Lightning Network wallet focused on user experience and ease of use, with the overall goal of helping the cryptocurrency community scale Groestlcoin.
Trustlessly send and receive Groestlcoin instantly with minimal fees via the Lightning Network. Manage your private keys, multiple wallets, and open channels, to get connected with peers on the Lightning Network and start transacting today.

Features:
• Simple - Our design philosophy is rooted in the ability to respond to our users and its from your feedback we are able to consistently deliver the best user experience in Groestlcoin.
• Safe - Zap GRS Android is non-custodial. At no point does anyone have access to funds besides you, the user. Your keys, your coins, your node, your rules. All on your device.
• Lightning-Fast - The Lightning Network offers a new way for users to interact with Groestlcoin. Transactions with ZAP GRS Android are inexpensive and instantaneous, unlocking a new natively digital economy never seen before.
• Open Source - Zap GRS Android was designed for the people, by the people.
• Connect to your node - ZAP GRS Android let's users connect to their existing Lightning node, allowing them to send, receive and manage their channels.
• Multiple Wallets - ZAP GRS Android allows users to create and control as many wallets as they'd like. Remote nodes, GRSPay Server nodes, routing nodes, neutrino nodes, all in one place.

The application may have unfound bugs and problems. To leave feedback: 
1.  PM hashengineering on bitcointalk: https://bitcointalk.org/index.php?action=profile;u=155038
2.  Email: hashengineeringsolutions@gmail.com
3.  Reports of errors can also be posted in this topic.

Download link: https://play.google.com/store/apps/details?id=org.groestlcoin.zap

Source code: https://github.com/Groestlcoin/zap-android
2
Groestlcoin Development & Technical Discussion / ZAP GRS released
« Last post by jackielove4u on December 22, 2019, 08:52:01 pm »


ZAP GRS: Cross platform Lightning Network wallet focused on user experience and ease of use


ZAP GRS is a free Lightning Network wallet focused on user experience and ease of use, with the overall goal of helping the cryptocurrency community scale Groestlcoin.
Trustlessly send and receive Groestlcoin instantly with minimal fees via the Lightning Network. Manage your private keys, multiple wallets, and open channels, to get connected with peers on the Lightning Network and start transacting today.

Features:
• Simple - Our design philosophy is rooted in the ability to respond to our users and its from your feedback we are able to consistently deliver the best user experience in Groestlcoin.
• Safe - Zap GRS is non-custodial. At no point does anyone have access to funds besides you, the user. Your keys, your coins, your node, your rules. All on your device.
• Lightning-Fast - The Lightning Network offers a new way for users to interact with Groestlcoin. Transactions with ZAP GRS are inexpensive and instantaneous, unlocking a new natively digital economy never seen before.
• Open Source - ZAP GRS was designed for the people, by the people.
• Connect to your node - ZAP GRS let's users connect to their existing Lightning node, allowing them to send, receive and manage their channels.
• Multiple Wallets - ZAP GRS allows users to create and control as many wallets as they'd like. Remote nodes, GRSPay Server nodes, routing nodes, neutrino nodes, all in one place.

The application may have unfound bugs and problems. To leave feedback: 
1.  PM hashengineering on bitcointalk: https://bitcointalk.org/index.php?action=profile;u=155038
2.  Email: hashengineeringsolutions@gmail.com
3.  Reports of errors can also be posted in this topic.

Download the OSX wallet here: https://github.com/Groestlcoin/zap-desktop/releases/download/v0.5.5-beta/ZAPGRS-mac-v0.5.5-beta.dmg
Download Windows installer here: https://github.com/Groestlcoin/zap-desktop/releases/download/v0.5.5-beta/ZAPGRS-win-v0.5.5-beta.exe                                     
Download Linux installere here: https://github.com/Groestlcoin/zap-desktop/releases/download/v0.5.5-beta/ZAPGRS-linux-x86_64-v0.5.5-beta.AppImage

Source code: https://github.com/Groestlcoin/zap-desktop/
3
Groestlcoin Development & Technical Discussion / LND released
« Last post by jackielove4u on December 22, 2019, 08:51:37 pm »


The Lightning Network Daemon (lnd) - is a complete implementation of a Lightning Network node.


Lnd has several pluggable back-end chain services including grsd (a full-node), groestlcoind, and neutrino (a new experimental light client). The project's codebase uses the grssuite set of Groestlcoin libraries, and also exports a large set of isolated re-usable Lightning Network related libraries within it.

Features
• Creating channels.
• Closing channels.
• Completely managing all channel states (including the exceptional ones!).
• Maintaining a fully authenticated+validated channel graph.
• Performing path finding within the network, passively forwarding incoming payments.
• Sending outgoing onion-encrypted payments through the network.
• Updating advertised fee schedules.
• Automatic channel management (autopilot).
• Two primary RPC interfaces are exported: an HTTP REST API, and a gRPC service.

The application may have unfound bugs and problems. To leave feedback: 
1. PM me
2. Email: groestlcoin@gmail.com
3. Post reports of errors in this topic.

This application is licensed under MIT. There is no warranty and no party shall be made liable to you for damages. If you lose coins due to this app, no compensation will be given. Use this app solely at your own risk.

Download the OSX binaries here: https://github.com/Groestlcoin/lnd/releases/download/v0.8.2-grs/lnd-darwin-amd64-v0.8.2-grs.tar.gz
Download Windows binaries here: https://github.com/Groestlcoin/lnd/releases/download/v0.8.2-grs/lnd-windows-amd64-v0.8.2-grs.zip                                       
Download Linux binaries here: https://github.com/Groestlcoin/lnd/releases/download/v0.8.2-grs/lnd-linux-amd64-v0.8.2-grs.tar.gz

Source code: https://github.com/Groestlcoin/lnd/
4
Groestlcoin Development & Technical Discussion / GRSD released
« Last post by jackielove4u on December 22, 2019, 08:51:13 pm »


grsd is an alternative full node groestlcoin implementation written in Go (golang).


If you want an alternative full node wallet and are an advanced user, then grsd is the right choice for you.
It also properly relays newly mined blocks, maintains a transaction pool, and relays individual transactions that have not yet made it into a block.
It ensures all individual transactions admitted to the pool follow the rules required by the block chain and also includes more strict checks which filter transactions based on miner requirements ("standard" transactions).

Features
• Works via TOR or SOCKS5 proxy
• Can use bootstrap.dat format as blockchain database
• Supports Websockets (grsd/grswallet) and HTTP POST mode (groestlcoin core)
• Provides callback and registration functions for grsd/grswallet notifications
• Supports grsd extensions
• Translates to and from higher-level and easier to use Go types
• Offers a synchronous (blocking) and asynchronous API
• Supports the getblocktemplate RPC
• Comes with a seperate grsctl command line utility that can be used to both control and query grsd via RPC. Grsd does not enable its RPC server by default; You must configure at minimum both an RPC username and password or both an RPC limited username and password

The application may have unfound bugs and problems. To leave feedback: 
1. PM me
2. Email: groestlcoin@gmail.com
3. Post reports of errors in this topic.

This application is licensed under copyfree ISC. There is no warranty and no party shall be made liable to you for damages. If you lose coins due to this app, no compensation will be given. Use this app solely at your own risk.

Download the OSX binaries here: https://github.com/Groestlcoin/grsd/releases/download/v0.20.1-grs/grsd-darwin-amd64-v0.20.1.tar.gz
Download Windows binaries here: https://github.com/Groestlcoin/grsd/releases/download/v0.20.1-grs/grsd-windows-amd64-v0.20.1.zip                                       
Download Linux binaries here: https://github.com/Groestlcoin/grsd/releases/download/v0.20.1-grs/grsd-linux-amd64-v0.20.1.tar.gz

Source code: https://github.com/Groestlcoin/grsd/
5


Groestlcoin Spark Lightning Wallet Android: A minimalistic wallet GUI for c-lightning through Android


Groestlcoin Spark is currently oriented for technically advanced users and is not an all-in-one package, but rather a "remote control" interface for a c-lightning node that has to be managed separately.
Groestlcoin Sparks supports sending and receiving payments, viewing history, and managing channels.
Groestlcoin Spark is a purely off-chain wallet, with no on-chain payments. This allows Groestlcoin Spark to fully realize the awesome UX enabled by lightning.
Groestlcoin Spark has a responsive UI suitable for mobile, tablet and desktop devices, but is best optimized for use on mobile

Features:
• Pay and Request are pretty intuitive and don't require much explaining. Try them!
• Display unit: Click the balance on the top-right or the unit in the "request payment" page to toggle the currency display unit. The available options are gro, groestls, milli, grs and usd.
• Theme switcher: Click the theme name on the bottom-right to change themes (you can choose between 16 bootswatch themes).
• Payment details: Click on payments in the list to display more details. (note that the fee shown includes c-lightning's overpayment randomization)
• Expert mode: Click the version number on the bottom-left to toggle expert mode. This will add two new menu items, "Logs" and "RPC Console", and display yaml dumps with additional information throughout the app.
• Node address: Click the node id on the footer to open the node info page which displays your node address (as text and QR).
• Channel management: Click the "Channels" button inside the node info page to show and manage channels.

The application may have unfound bugs and problems. To leave feedback: 
1. PM me
2. Email: groestlcoin@gmail.com
3. Post reports of errors in this topic.

This application is licensed under MIT. There is no warranty and no party shall be made liable to you for damages. If you lose coins due to this app, no compensation will be given. Use this app solely at your own risk.

Download link: https://play.google.com/store/apps/details?id=org.groestlcoin.spark

Source code: https://github.com/Groestlcoin/groestlcoin-spark/
6
Groestlcoin Development & Technical Discussion / Groestlcoin Spark released
« Last post by jackielove4u on December 22, 2019, 08:50:27 pm »


Groestlcoin Spark Lightning Wallet: A minimalistic wallet GUI for c-lightning through desktop apps.


Groestlcoin Spark is currently oriented for technically advanced users and is not an all-in-one package, but rather a "remote control" interface for a c-lightning node that has to be managed separately.
Groestlcoin Sparks supports sending and receiving payments, viewing history, and managing channels.
Groestlcoin Spark is a purely off-chain wallet, with no on-chain payments. This allows Groestlcoin Spark to fully realize the awesome UX enabled by lightning.

Features:
• Pay and Request are pretty intuitive and don't require much explaining. Try them!
• Display unit: Click the balance on the top-right or the unit in the "request payment" page to toggle the currency display unit. The available options are gro, groestls, milli, grs and usd.
• Theme switcher: Click the theme name on the bottom-right to change themes (you can choose between 16 bootswatch themes).
• Payment details: Click on payments in the list to display more details. (note that the fee shown includes c-lightning's overpayment randomization)
• Expert mode: Click the version number on the bottom-left to toggle expert mode. This will add two new menu items, "Logs" and "RPC Console", and display yaml dumps with additional information throughout the app.
• Node address: Click the node id on the footer to open the node info page which displays your node address (as text and QR).
• Channel management: Click the "Channels" button inside the node info page to show and manage channels.

The application may have unfound bugs and problems. To leave feedback: 
1. PM me
2. Email: groestlcoin@gmail.com
3. Post reports of errors in this topic.

This application is licensed under MIT. There is no warranty and no party shall be made liable to you for damages. If you lose coins due to this app, no compensation will be given. Use this app solely at your own risk.

Download the OSX wallet here: https://github.com/Groestlcoin/groestlcoin-spark/releases/download/v0.2.9/groestlcoin-spark-0.2.9-mac.zip

Download Windows installer here: https://github.com/Groestlcoin/groestlcoin-spark/releases/download/v0.2.9/groestlcoin-spark-0.2.9-win-setup.exe
Download Windows portable version here: https://github.com/Groestlcoin/groestlcoin-spark/releases/download/v0.2.9/groestlcoin-spark-0.2.9-win-portable.exe
                                       
Download Linux Appimage installer here: https://github.com/Groestlcoin/groestlcoin-spark/releases/download/v0.2.9/groestlcoin-spark-0.2.9-linux-x86_64.AppImage
Download Linux Snap installer here: https://github.com/Groestlcoin/groestlcoin-spark/releases/download/v0.2.9/groestlcoin-spark-0.2.9-linux-amd64.snap
Download Linux Deb installer here: https://github.com/Groestlcoin/groestlcoin-spark/releases/download/v0.2.9/groestlcoin-spark-0.2.9-linux-amd64.deb

Source code: https://github.com/Groestlcoin/groestlcoin-spark/
7
Groestlcoin Development & Technical Discussion / C-lightning released
« Last post by jackielove4u on December 22, 2019, 08:50:04 pm »


C-lightning: A specification compliant Lightning Network implementation in C


C-lightning is a lighweight, highly customizable and standard compliant implementation of the Lightning Network protocol.
C-lightning only works on Linux and Mac OS, and requires a locally (or remotely) running groestlcoind (version 2.16.0 or above) that is fully caught up with the network you're testing on.

Features
• Creating channels.
• Closing channels.
• Completely managing all channel states (including the exceptional ones!).
• Performing path finding within the network, passively forwarding incoming payments.
• Sending outgoing onion-encrypted payments through the network.
• Automatic channel management (autopilot).

The application may have unfound bugs and problems. To leave feedback: 
1. PM me
2. Email: groestlcoin@gmail.com
3. Post reports of errors in this topic.

This application is licensed under MIT. There is no warranty and no party shall be made liable to you for damages. If you lose coins due to this app, no compensation will be given. Use this app solely at your own risk.

Linux: https://github.com/Groestlcoin/lightning/blob/master/doc/INSTALL.md#to-build-on-ubuntu
OSX: https://github.com/Groestlcoin/lightning/blob/master/doc/INSTALL.md#to-build-on-macos

Source code: https://github.com/Groestlcoin/lightning
8


GRSPay Testnet: a free and open-source cryptocurrency payment processor which allows you to receive payments in Groestlcoin Testnet with no fees, transaction cost or a middleman.


GRSPay Testnet is a non-custodial invoicing system which eliminates the involvement of a third-party. Payments with GRSPay Testnet go directly to your wallet, which increases the privacy and security. Your private keys are never uploaded to the server. There is no address re-use, since each invoice generates a new address deriving from your tpubkey or vpubkey.

GRSPay Testnet is available at https://testnet.grspay.com/
https://www.youtube.com/watch?v=c7s3zZnlQ6M

Changelog v1.0.3.146
• Lightning Network support
• Tor Support
• Internal Web wallet
• Payment request
• Crowdfunding app

Features
• Direct, P2P Groestlcoin Testnet payments
• Lightning Network Testnet support coming soon
• Complete control over private keys
• Enchanced privacy
• SegWit Testnet support
• Process payments for others
• Payment buttons
• Point of sale
• No transaction fees (other than those for the crypto networks)
• No processing fees
• No middleman
• No KYC
• The software is built in C#
• You can run GRSPay Testnet as a self-hosted solution on your own server or use a our host. The self-hosted solution allows you not only to attach an unlimited number of stores (and soon use the Lightning Network Testnet) but also become the payment processor for others.
• Open Source - MIT license

FAQ
### How to use WooCommerce store with GRSPay Testnet?
https://www.youtube.com/watch?v=qNMTDEPhWhY

### Does GRSPay Testnet need my private key?

Absolutely not. The fact that GRSPay Testnet never needs access to your master private key for on-chain transactions is a huge security advantage. Even if our server gets hacked, your funds from the on-chain transactions are always safe. Securing your on-chain funds, comes down to your own security.
When we will support lightning node, GRSPay Testnet technically will have access to the keys (macarons) of your LN.

### Address re-use - How GRSPay Testnet creates a different address?

GRSPay Testnet generates a different address for each invoice. The address is derived from your tpubkey or vpubkey. Your private keys are never uploaded or required by GRSPay Testnet. The software only needs your extended public key. You can create your private key in your software or hardware wallet and import the public key (tpub/vpub) into GRSPay Testnet so that it can derive addresses from it. Meanwhile, you should stick to the best practices for protecting your private key.

### What e-commerce integrations are available?

Currently, GRSPay Testnet has integrations with the following e-commerce platforms:
- WordPress / WooCommerce
- Magneto
- Drupal
- Prestashop
- Custom integration

### Does GRSPay Testnet Support Lightning Network Testnet?

No not yet but coming soon.

## Invalid Status Code:301 when pairing the store with GRSPay Testnet.

Please make sure to enter the URL of the host you're trying to pair with correctly, including the HTTP(s) part. For example https://testnet.grspay.com

## Invalid derivation scheme

If you're getting this error, this means that you have not connected your wallet to GRSPay Testnet. In Store>Settings> Derivation Scheme, on the right-hand side click modify and set up your derivation scheme correctly.

It is appreciated if feedback of the following is provided:
1. Are you able to register at GRSPay Testnet?
2. Are you able to create a store?
3. Are you able to create an invoice?
4. Are you able to create a POS?
5. Are you able to receive payments through GRSPay Testnet?
6. Are you able to setup your derivation scheme?
7. Are you able to setup 2 factor authentication?

This application is licensed under MIT. There is no warranty and no party shall be made liable to you for damages. If you lose coins due to this app, no compensation will be given. Use this app solely at your own risk.

The application may have unfound bugs and problems. To leave feedback: 
1. PM me
2. Email: groestlcoin@gmail.com
3. Post reports of errors in this topic.

Source code:
GRSPay: https://github.com/Groestlcoin/btcpayserver - GRSPay code
9
Groestlcoin Development & Technical Discussion / GRSpay v1.0.3.146 released
« Last post by jackielove4u on December 22, 2019, 08:49:15 pm »


GRSPay: a free and open-source cryptocurrency payment processor which allows you to receive payments in Groestlcoin with no fees, transaction cost or a middleman.


GRSPay is a non-custodial invoicing system which eliminates the involvement of a third-party. Payments with GRSPay go directly to your wallet, which increases the privacy and security. Your private keys are never uploaded to the server. There is no address re-use, since each invoice generates a new address deriving from your xpubkey or zpubkey.

GRSPay is available at https://grspay.com
https://www.youtube.com/watch?v=c7s3zZnlQ6M

Changelog v1.0.3.146
• Lightning Network support
• Tor Support
• Internal Web wallet
• Payment request
• Crowdfunding app

Features
• Direct, P2P Groestlcoin payments
• Complete control over private keys
• Enchanced privacy
• SegWit support
• Process payments for others
• Easy-embeddable Payment buttons
• Point of sale app
• No transaction fees (other than those for the crypto networks)
• No processing fees
• No middleman
• No KYC
• The software is built in C#
• You can run GRSPay as a self-hosted solution on your own server or use a our host. The self-hosted solution allows you not only to attach an unlimited number of stores (and soon use the Lightning Network) but also become the payment processor for others.
• Open Source - MIT license

FAQ
### How to use WooCommerce store with GRSPay?
https://www.youtube.com/watch?v=qNMTDEPhWhY

### What e-commerce integrations are available?

Currently, GRSPay has integrations with the following e-commerce platforms:
- WordPress / WooCommerce
- Magneto
- Drupal
- Prestashop
- Custom integration

This application is licensed under MIT. There is no warranty and no party shall be made liable to you for damages. If you lose coins due to this app, no compensation will be given. Use this app solely at your own risk.

The application may have unfound bugs and problems. To leave feedback: 
1. PM me
2. Email: groestlcoin@gmail.com
3. Post reports of errors in this topic.

Source code:
GRSPay: https://github.com/Groestlcoin/btcpayserver - GRSPay code
10
Groestlcoin Development & Technical Discussion / Zeus GRS released
« Last post by jackielove4u on December 22, 2019, 08:48:40 pm »


Zeus GRS: A mobile Groestlcoin app for Lightning Network Daemon (lnd) node operators


To use Zeus, you must have a running Lightning Network Daemon (lnd). You must provide Zeus GRS with your node's hostname, port number, and the lnd macaroon you choose to use in hex format.
If you're running a Unix-based operating system (eg. macOS, Linux) you can run xxd -ps -u -c 1000 /path/to/admin.macaroon to generate your macaroon in hex format.

Features:
• Scan LNDconnect functionality
• Dark and light theme
• Option to lock app with a pin
• Open Source
• Connect to your node - Zeus GRS let's users connect to their existing Lightning node, allowing them to send, receive and manage their channels.
• Multiple Wallets - Zeus GRS allows users to create and control as many wallets as they'd like.

The application may have unfound bugs and problems. To leave feedback: 
1.  PM hashengineering on bitcointalk: https://bitcointalk.org/index.php?action=profile;u=155038
2.  Email: hashengineeringsolutions@gmail.com
3.  Reports of errors can also be posted in this topic.

Download link: https://play.google.com/store/apps/details?id=org.groestlcoin.zeus

Source code: https://github.com/Groestlcoin/zeus
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