benthecarman/zapple-pay-backend

Zapple Pay

Zapple Pay lets you use nostr wallet connect to automatically zap notes based on a configured emoji or to subscribe to a user and zap them on a regular basis.

Build

If you are having trouble building you may need to install libpq-dev.

sudo apt-get install libpq-dev

API

Set User

POST /set-user

payload:

the emoji and donations are optional

only one of nwc or auth_id can be set.

{
  "npub": "user's npub",
  "amount_sats": 1000,
  "nwc": "user's nwc",
  "auth_id": "id from /wallet-auth",
  "emoji": "⚡",
  "donations": [
    {
      "amount_sats": 1000,
      "lnurl": "donation lnurl",
      "npub": "donation npub"
    }
  ]
}

returns: the user's current configs

{
  "zaps": [
    {
      "npub": "user's npub",
      "amount_sats": 1000,
      "emoji": "⚡",
      "donations": [
        {
          "amount_sats": 1000,
          "lnurl": "donation lnurl",
          "npub": "donation npub"
        }
      ]
    }
  ],
  "subscriptions": []
}

Create Subscription

POST /create-subscription

time_period can be minute, hour, day, week, month, or year

only one of nwc or auth_id can be set.

payload:

{
  "npub": "user's npub",
  "to_npub": "user to zap npub",
  "amount_sats": 1000,
  "time_period": "day",
  "nwc": "user's nwc",
  "auth_id": "id from /wallet-auth"
}

returns: the user's current configs

{
  "zaps": [],
  "subscriptions": [
    {
      "npub": "user's npub",
      "to_npub": "user to zap npub",
      "amount_sats": 1000,
      "time_period": "day"
    }
  ]
}

Get User

GET /get-user/:npub

returns: the user's current configs

{
  "zaps": [
    {
      "npub": "user's npub",
      "amount_sats": 1000,
      "emoji": "⚡",
      "donations": [
        {
          "amount_sats": 1000,
          "lnurl": "donation lnurl",
          "npub": "donation npub"
        }
      ]
    }
  ],
  "subscriptions": [
    {
      "npub": "user's npub",
      "to_npub": "user to zap npub",
      "amount_sats": 1000,
      "time_period": "day"
    }
  ]
}

Get User Zap Config

GET /get-user/:npub/:emoji

returns: the user's current config

{
  "npub": "user's npub",
  "amount_sats": 1000,
  "emoji": "⚡",
  "donations": [
    {
      "amount_sats": 1000,
      "lnurl": "donation lnurl",
      "npub": "donation npub"
    }
  ]
}

Get User Subscription

GET /get-subscriptions/:npub/:to_npub

returns: the user's current subscription config for to_npub

{
  "npub": "user's npub",
  "to_npub": "user to zap npub",
  "amount_sats": 1000,
  "time_period": "day"
}

Delete User

GET /delete-user/:npub

deletes all the user's zap configs and subscriptions

returns: the user's current configs

{
  "zaps": [
    {
      "npub": "user's npub",
      "amount_sats": 1000,
      "emoji": "⚡",
      "donations": [
        {
          "amount_sats": 1000,
          "lnurl": "donation lnurl",
          "npub": "donation npub"
        }
      ]
    }
  ],
  "subscriptions": [
    {
      "npub": "user's npub",
      "to_npub": "user to zap npub",
      "amount_sats": 1000,
      "time_period": "day"
    }
  ]
}

Delete User

GET /delete-user/:npub/:emoji

returns: the user's current configs

{
  "zaps": [
    {
      "npub": "user's npub",
      "amount_sats": 1000,
      "emoji": "⚡",
      "donations": [
        {
          "amount_sats": 1000,
          "lnurl": "donation lnurl",
          "npub": "donation npub"
        }
      ]
    }
  ],
  "subscriptions": [
    {
      "npub": "user's npub",
      "to_npub": "user to zap npub",
      "amount_sats": 1000,
      "time_period": "day"
    }
  ]
}

Delete User Subscription

GET /delete-subscription/:npub/:to_npub

returns: the user's current configs

{
  "zaps": [
    {
      "npub": "user's npub",
      "amount_sats": 1000,
      "emoji": "⚡",
      "donations": [
        {
          "amount_sats": 1000,
          "lnurl": "donation lnurl",
          "npub": "donation npub"
        }
      ]
    }
  ],
  "subscriptions": [
    {
      "npub": "user's npub",
      "to_npub": "user to zap npub",
      "amount_sats": 1000,
      "time_period": "day"
    }
  ]
}

Nostr Wallet Auth

GET /wallet-auth

query params:

These query parameters are optional ways to modify the NWA uri given. If you are setting them time_period and amount but both be set identity is optional.

• time_period: Time period for the budget. Can be one of day, week, month, or year
• amount: Amount in satoshis for the budget.
• identity: Hex encoded pubkey for which identity to be associated with this connection, if not given zapple pay's key will be used

returns:

Nostr Wallet Auth uri and id to reference in future api calls.

{
  "id": "hex encoded id",
  "uri": "nostr+walletauth://blahblah"
}

Nostr Wallet Status

GET /check-wallet-auth

query params:

• id: The id given in /wallet-auth

returns:

boolean for if we have successfully connected

true

Counts

GET /count

returns: metrics on zapple pay

{
  "users": 426,
  "zap_configs": 572,
  "subscription_configs": 2,
  "zap_count": 4909,
  "zap_total": 213485
}