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light-bolt11-decoder
Advanced tools
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.
Spits out "sections" of the invoice, in a way that is used to make visualizations like https://bolt11.org/.
The dependencies are minimal: no Buffer
, only @scure/base
.
yarn add light-bolt11-decoder
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: {
option_data_loss_protect: 'unsupported',
initial_routing_sync: 'unsupported',
option_upfront_shutdown_script: 'unsupported',
gossip_queries: 'unsupported',
var_onion_optin: 'required',
gossip_queries_ex: 'unsupported',
option_static_remotekey: 'unsupported',
payment_secret: 'required',
basic_mpp: 'unsupported',
option_support_large_channel: 'unsupported',
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
}
]
]
}
FAQs
decode lightning invoices without overhead (doesn't check signatures).
We found that light-bolt11-decoder demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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