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light-bolt11-decoder

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light-bolt11-decoder

A lightweight and naïve library for decoding lightning network payment requests as defined in [BOLT #11](https://github.com/lightningnetwork/lightning-rfc/blob/master/11-payment-encoding.md).

  • 2.1.0
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bolt11

A lightweight and naïve library for decoding lightning network payment requests as defined in BOLT #11.

It doesn't recover payee from signature, doesn't check signature, doesn't parse fallback addresses and doesn't do any encoding -- therefore dependencies are very minimal (no libsecp256k1 here).

Code derived from bolt11, which has the full functionality but it's a pain to run in browsers.

Installation

yarn add light-bolt11-decoder

Example Output from require('light-bolt11-decoder').decode("lnbc...")

{
  "paymentRequest": "lnbc20u1p3y0x3hpp5743k2g0fsqqxj7n8qzuhns5gmkk4djeejk3wkp64ppevgekvc0jsdqcve5kzar2v9nr5gpqd4hkuetesp5ez2g297jduwc20t6lmqlsg3man0vf2jfd8ar9fh8fhn2g8yttfkqxqy9gcqcqzys9qrsgqrzjqtx3k77yrrav9hye7zar2rtqlfkytl094dsp0ms5majzth6gt7ca6uhdkxl983uywgqqqqlgqqqvx5qqjqrzjqd98kxkpyw0l9tyy8r8q57k7zpy9zjmh6sez752wj6gcumqnj3yxzhdsmg6qq56utgqqqqqqqqqqqeqqjq7jd56882gtxhrjm03c93aacyfy306m4fq0tskf83c0nmet8zc2lxyyg3saz8x6vwcp26xnrlagf9semau3qm2glysp7sv95693fphvsp54l567",
  "sections": [
    {
      "name": "lightning_network",
      "letters": "ln"
    },
    {
      "name": "coin_network",
      "letters": "bc",
      "value": {
        "bech32": "bc",
        "pubKeyHash": 0,
        "scriptHash": 5,
        "validWitnessVersions": [
          0
        ]
      }
    },
    {
      "name": "amount",
      "letters": "20u",
      "value": "2000000"
    },
    {
      "name": "separator",
      "letters": "1"
    },
    {
      "name": "timestamp",
      "letters": "p3y0x3h",
      "value": 1648859703
    },
    {
      "name": "payment_hash",
      "tag": "p",
      "letters": "pp5743k2g0fsqqxj7n8qzuhns5gmkk4djeejk3wkp64ppevgekvc0js",
      "value": "f5636521e98000697a6700b979c288ddad56cb3995a2eb07550872c466ccc3e5"
    },
    {
      "name": "description",
      "tag": "d",
      "letters": "dqcve5kzar2v9nr5gpqd4hkuete",
      "value": "fiatjaf:  money"
    },
    {
      "name": "payment_secret",
      "tag": "s",
      "letters": "sp5ez2g297jduwc20t6lmqlsg3man0vf2jfd8ar9fh8fhn2g8yttfkq",
      "value": "c8948517d26f1d853d7afec1f8223becdec4aa4969fa32a6e74de6a41c8b5a6c"
    },
    {
      "name": "expiry",
      "tag": "x",
      "letters": "xqy9gcq",
      "value": 172800
    },
    {
      "name": "min_final_cltv_expiry",
      "tag": "c",
      "letters": "cqzys",
      "value": 144
    },
    {
      "name": "feature_bits",
      "tag": "9",
      "letters": "9qrsgq",
      "value": {
        "word_length": 3,
        "option_data_loss_protect": {
          "required": false,
          "supported": false
        },
        "initial_routing_sync": {
          "required": false,
          "supported": false
        },
        "option_upfront_shutdown_script": {
          "required": false,
          "supported": false
        },
        "gossip_queries": {
          "required": false,
          "supported": false
        },
        "var_onion_optin": {
          "required": true,
          "supported": false
        },
        "gossip_queries_ex": {
          "required": false,
          "supported": false
        },
        "option_static_remotekey": {
          "required": false,
          "supported": false
        },
        "payment_secret": {
          "required": true,
          "supported": false
        },
        "basic_mpp": {
          "required": false,
          "supported": false
        },
        "option_support_large_channel": {
          "required": false,
          "supported": false
        },
        "extra_bits": {
          "start_bit": 20,
          "bits": [],
          "has_required": false
        }
      }
    },
    {
      "name": "route_hint",
      "tag": "r",
      "letters": "rzjqtx3k77yrrav9hye7zar2rtqlfkytl094dsp0ms5majzth6gt7ca6uhdkxl983uywgqqqqlgqqqvx5qqjq",
      "value": [
        {
          "pubkey": "02cd1b7bc418fac2dc99f0ba350d60fa6c45fde5ab6017ee14df6425df485fb1dd",
          "short_channel_id": "72edb1be53c78472",
          "fee_base_msat": 1000,
          "fee_proportional_millionths": 50000,
          "cltv_expiry_delta": 144
        }
      ]
    },
    {
      "name": "route_hint",
      "tag": "r",
      "letters": "rzjqd98kxkpyw0l9tyy8r8q57k7zpy9zjmh6sez752wj6gcumqnj3yxzhdsmg6qq56utgqqqqqqqqqqqeqqjq",
      "value": [
        {
          "pubkey": "034a7b1ac1239ff2ac8438ce0a7ade1048514b77d4322f514e96918e6c13944861",
          "short_channel_id": "5db0da3400535c5a",
          "fee_base_msat": 0,
          "fee_proportional_millionths": 100,
          "cltv_expiry_delta": 144
        }
      ]
    },
    {
      "name": "signature",
      "letters": "7jd56882gtxhrjm03c93aacyfy306m4fq0tskf83c0nmet8zc2lxyyg3saz8x6vwcp26xnrlagf9semau3qm2glysp7sv95693fphvsp",
      "value": "f49b4d1cea42cd71cb6f8e0b1ef7044922fd6ea903d70b24f1c3e7bcace2c2be621111874473698ec055a34c7fea1258677de441b523e4807d06169a2c521bb201"
    },
    {
      "name": "checksum",
      "letters": "54l567"
    }
  ],
  "expiry": 172800,
  "route_hints": [
    [
      {
        "pubkey": "02cd1b7bc418fac2dc99f0ba350d60fa6c45fde5ab6017ee14df6425df485fb1dd",
        "short_channel_id": "72edb1be53c78472",
        "fee_base_msat": 1000,
        "fee_proportional_millionths": 50000,
        "cltv_expiry_delta": 144
      }
    ],
    [
      {
        "pubkey": "034a7b1ac1239ff2ac8438ce0a7ade1048514b77d4322f514e96918e6c13944861",
        "short_channel_id": "5db0da3400535c5a",
        "fee_base_msat": 0,
        "fee_proportional_millionths": 100,
        "cltv_expiry_delta": 144
      }
    ]
  ]
}

LICENSE MIT

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Package last updated on 28 Apr 2022

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