Upgrade BTCPayServer Zcash Plugin for 2.1

Community Grants Applications
1

Project Description

Fix the Zcash BTCPayServer plugin in preparation for 2.1, publishing a working version of the new extracted plugin. A BTCPayServer plugin will be published both to the BTCPayServer plugin store, together with a .btcpay bundle on GitHub. An updated version of zcash-walletd will be published with tested and working Sapling support.

Orchard support can be added with a separate grant focusing on zcash-walletd. This can be worked on in parallel. Documentation will also be published, helping merchants to add ZEC to their BTCPayServer store.

The goals are to increase the amount of merchants accepting Zcash, allowing for Zcash holders to spend their ZEC more easily without having to convert to other cryptocurrencies first. Merchants will also be able to market their privacy friendly practices and better comply with privacy regulations such as GDPR, reducing the amount of data collection that they will be responsible for.

Total Budget (USD)

$21,600

Full grant application: Grant Application - Upgrade BTCPayServer Zcash Plugin for 2.1 · Issue #35 · ZcashCommunityGrants/zcashcommunitygrants · GitHub

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I support this :+1: :shield: :factory_worker:

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we would be user of this at NYM

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@1337bytes at the most recent meeting, the @ZcashGrants Committee voted to approve this proposal. Congratulations!

ZCG requests that you provide monthly updates via the forum in this thread.

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Thanks! Am excited to continue working on this and look forward to collaborating with merchants on integrating Zcash payments with BTCPayServer.

These tasks are now complete, as part of the startup funding (milestone 0) tasks:

I have created a btcpay-zcash GitHub organisation: btcpay-zcash · GitHub . This organisation will be jointly controlled by me (with the role of repository maintainer) and representatives of FPF and ZCG. The BTCPayServer Zcash plugin has been moved over to this organisation and I have merged the initial 2.1 fixes.

Here are the instructions for creating a local .btcpay build, that can be loaded via the Manage Plugins interface in a BTCPayServer instance:

All that is left for the first milestone now is to finish the transfer of the Zcash plugin on the plugin directory and publish the first working version of it.

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Awesome, looking forward to some success stories with this!

It’s giving me a 404.

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Updated it with a permalink.

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Thanks to @artkor for testing the 1.0.1 pre-release! I have now published the first working version of the plugin for BTCPayServer 2.x to the plugin directory. Milestone 1 is now complete.

Plugin repository: GitHub - btcpay-zcash/btcpayserver-zcash-plugin: This plugin extends BTCPay Server to enable users to receive payments via Zcash.
Example Docker Compose: zec-btcpay/docker-compose.yml at main · elemental-zcash/zec-btcpay · GitHub

zcash-walletd config override (to specify lightwalletd server): zec-btcpay/walletd/Rocket.toml at main · elemental-zcash/zec-btcpay · GitHub

The next steps, for milestone 2, will be to eliminate the need to hardcode the viewing key as an environment variable and allow for entering it inside the BTCPayServer Zcash options interface. This is necessary for supporting the official installation bash script and to deploy BTCPay with Configurator. This should help users and merchants who may be less familiar with Docker. An option can be included as part of the setup process to run a Zebra full node and lightwalletd locally, as is the encouraged practice by BTCPayServer.

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