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Aperture lnproxy

コンテンツへの支払のL402 paywallであるapertureと、Wrapped invoiceのlnproxyを組み合わせたdocker composeのコンテナです。コンテンツの料金をクリエイターに支払う一方で、金額の一部をコンテンツ配信サービスを運用する事業者が、手数料として徴収できるようにします。

Disclaimer

L402とWrapped Invoiceを組み合わせる本リポジトリの方法は、L402の権利となるpreimageを確率的に不正入手する手段が潜在しています。現実的にどの程度不正が可能かは検証できておりません。詳しくは下記をご覧ください。 https://coinkeninfo.com/wrapped-invoice/

Overview

Sequence diagram

image

Setup for lnproxy

  • Add ./lnproxy/.env

Setup for aperture

  • Add ./aperture/.env

Setup for contents

  • Setup AWS S3 bucket (currently only public bucket supported)
  • Add ./contents/.env

.lnd/ directory

Add .lnd/ directory to project root:

.lnd
├── data
│   └── chain
│       └── bitcoin
│           └── mainnet
│               ├── admin.macaroon
│               └── invoice.macaroon
└── tls.cert

If you use Voltage Cloud, you can download admin|invoice.macaroon by the following steps:

  • Voltage Cloud > Manage Access > Macaroon Bakery
  • Download Type Admin|Invoice Default Invoice Macaroon

config/ directory

  • Add aperture.yaml under the config/ directory:
config
└── aperture.yaml
  • Configure the following values in aperture.yaml:
    • authenticator
    • servername
      • e.g. l402.example.com
    • services.hostregexp
      • e.g. l402.example.com

nginx/ directory

Add ssl/ directory under the nginx/ directory:

nginx
├── default.conf
└── ssl
    ├── fullchain.pem
    └── privkey.pem

ssl/ directory includes TLS certifications for the hosting server domain (which is indicated as l402.example.com in .example files).

Run docker compose

make daemon

Use CLI for remote content server

Build CLI

make build-cli

Run CLI

appcli --rpcserver=l402.example.com:8080 \
  addcontent --id="avatar.png" --title="My Avatar" --author="moti" --filepath="under/the/s3/path/image.png" --recipient_lud16="moti@getalby.com" --price=30
appcli --rpcserver=l402.example.com:8080 \
  updatecontent --id="avatar.png" --title="My Avatar" --author="moti" --filepath="under/the/s3/path/image.png" --recipient_lud16="moti@getalby.com" --price=30
appcli --rpcserver=l402.example.com:8080 \
  removecontent --id="avatar.png"
appcli --rpcserver=l402.example.com:8080 \
  getcontent --id="avatar.png"

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A minimalist lnproxy relay

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