bolt11 2.2.0

A library for encoding and decoding BOLT11 payment requests.

Lightning BOLT11 utils

This is an implementation of the Lightning BOLT11 specification, based on previous work by Rusty Russell, the Electrum Wallet team, and the LNbits bolt11 helpers created by @fiatjaf.

resources

• Bolt11 Spec
• bolt11.org
• lightningdecoder

installing

$ git clone https://github.com/lnbits/bolt11
$ cd bolt11
$ uv sync

running CLI

$ uv run bolt11 --help
$ uv run bolt11 decode

run all checks and tests

$ make

using pre-commit as git hook

$ uv run pre-commit install

running CLI

$ uv run bolt11 --help

running CLI decode

$ uv run bolt11 decode lnbc20m1pvjluez.....
{
  "currency": "bc",
  "amount": 2000000000,
  "timestamp": 1496314658,
  "signature": "6a6586db4e8f6d40e3a5bb92e4df5110c627e9ce493af237e20a046b4e86ea200178c59564ecf892f33a9558bf041b6ad2cb8292d7a6c351fbb7f2ae2d16b54e",
  "description_hash": "3925b6f67e2c340036ed12093dd44e0368df1b6ea26c53dbe4811f58fd5db8c1",
  "features": {
    "var_onion_optin": "required",
    "payment_secret": "required"
  },
  "fallback": "1RustyRX2oai4EYYDpQGWvEL62BBGqN9T",
  "route_hints": [
    {
      "public_key": "029e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255",
      "short_channel_id": "66051x263430x1800",
      "base_fee": 1,
      "ppm_fee": 20,
      "cltv_expiry_delta": 3
    },
    {
      "public_key": "039e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255",
      "short_channel_id": "197637x395016x2314",
      "base_fee": 2,
      "ppm_fee": 30,
      "cltv_expiry_delta": 4
    }
  ],
  "min_final_cltv_expiry": 9,
  "payment_hash": "0001020304050607080900010203040506070809000102030405060708090102",
  "payment_secret": "1111111111111111111111111111111111111111111111111111111111111111",
  "payee": "03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad"
}

running CLI encode

$ uv run bolt11 encode '{
  "currency": "bc",
  "amount_msat": 1000,
  "date": 1590000000,
  "payment_hash": "0001020304050607080900010203040506070809000102030405060708090102",
  "payment_secret": "1111111111111111111111111111111111111111111111111111111111111111",
  "description": "description"
}' e126f68f7eafcc8b74f54d269fe206be715000f94dac067d1c04a8ca3b2db734