Skip to content

BOLT 12 Offer test vectors #2682

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Nov 1, 2023
Merged

BOLT 12 Offer test vectors #2682

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
5fc4abc
Move bech32 parsing tests to the parse module
jkczyz Sep 22, 2023
452a30e
Separate and describe BOLT 12 test vectors
jkczyz Sep 26, 2023
e469492
BOLT 12 test vectors for offer parsing
jkczyz Sep 26, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
251 changes: 195 additions & 56 deletions lightning/src/offers/offer.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1511,28 +1511,60 @@ mod tests {
}

#[cfg(test)]
mod bech32_tests {
use super::{Bolt12ParseError, Offer};
use bitcoin::bech32;
mod bolt12_tests {
use super::{Bolt12ParseError, Bolt12SemanticError, Offer};
use crate::ln::msgs::DecodeError;

#[test]
fn encodes_offer_as_bech32_without_checksum() {
let encoded_offer = "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg";
let offer = dbg!(encoded_offer.parse::<Offer>().unwrap());
let reencoded_offer = offer.to_string();
dbg!(reencoded_offer.parse::<Offer>().unwrap());
assert_eq!(reencoded_offer, encoded_offer);
}

#[test]
fn parses_bech32_encoded_offers() {
let offers = [
// BOLT 12 test vectors
"lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
"l+no1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
"lno1pqps7sjqpgt+yzm3qv4uxzmtsd3jjqer9wd3hy6tsw3+5k7msjzfpy7nz5yqcn+ygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd+5xvxg",
"lno1pqps7sjqpgt+ yzm3qv4uxzmtsd3jjqer9wd3hy6tsw3+ 5k7msjzfpy7nz5yqcn+\nygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd+\r\n 5xvxg",
// Minimal bolt12 offer
"lno1pgx9getnwss8vetrw3hhyuckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",

// for testnet
"lno1qgsyxjtl6luzd9t3pr62xr7eemp6awnejusgf6gw45q75vcfqqqqqqq2p32x2um5ypmx2cm5dae8x93pqthvwfzadd7jejes8q9lhc4rvjxd022zv5l44g6qah82ru5rdpnpj",

// for bitcoin (redundant)
"lno1qgsxlc5vp2m0rvmjcxn2y34wv0m5lyc7sdj7zksgn35dvxgqqqqqqqq2p32x2um5ypmx2cm5dae8x93pqthvwfzadd7jejes8q9lhc4rvjxd022zv5l44g6qah82ru5rdpnpj",

// for bitcoin or liquidv1
"lno1qfqpge38tqmzyrdjj3x2qkdr5y80dlfw56ztq6yd9sme995g3gsxqqm0u2xq4dh3kdevrf4zg6hx8a60jv0gxe0ptgyfc6xkryqqqqqqqq9qc4r9wd6zqan9vd6x7unnzcss9mk8y3wkklfvevcrszlmu23kfrxh49px20665dqwmn4p72pksese",

// with metadata
"lno1qsgqqqqqqqqqqqqqqqqqqqqqqqqqqzsv23jhxapqwejkxar0wfe3vggzamrjghtt05kvkvpcp0a79gmy3nt6jsn98ad2xs8de6sl9qmgvcvs",

// with amount
"lno1pqpzwyq2p32x2um5ypmx2cm5dae8x93pqthvwfzadd7jejes8q9lhc4rvjxd022zv5l44g6qah82ru5rdpnpj",

// with currency
"lno1qcp4256ypqpzwyq2p32x2um5ypmx2cm5dae8x93pqthvwfzadd7jejes8q9lhc4rvjxd022zv5l44g6qah82ru5rdpnpj",

// with expiry
"lno1pgx9getnwss8vetrw3hhyucwq3ay997czcss9mk8y3wkklfvevcrszlmu23kfrxh49px20665dqwmn4p72pksese",

// with issuer
"lno1pgx9getnwss8vetrw3hhyucjy358garswvaz7tmzdak8gvfj9ehhyeeqgf85c4p3xgsxjmnyw4ehgunfv4e3vggzamrjghtt05kvkvpcp0a79gmy3nt6jsn98ad2xs8de6sl9qmgvcvs",

// with quantity
"lno1pgx9getnwss8vetrw3hhyuc5qyz3vggzamrjghtt05kvkvpcp0a79gmy3nt6jsn98ad2xs8de6sl9qmgvcvs",

// with unlimited (or unknown) quantity
"lno1pgx9getnwss8vetrw3hhyuc5qqtzzqhwcuj966ma9n9nqwqtl032xeyv6755yeflt235pmww58egx6rxry",

// with single quantity (weird but valid)
"lno1pgx9getnwss8vetrw3hhyuc5qyq3vggzamrjghtt05kvkvpcp0a79gmy3nt6jsn98ad2xs8de6sl9qmgvcvs",

// with feature
"lno1pgx9getnwss8vetrw3hhyucvp5yqqqqqqqqqqqqqqqqqqqqkyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",

// with blinded path via Bob (0x424242...), blinding 020202...
"lno1pgx9getnwss8vetrw3hhyucs5ypjgef743p5fzqq9nqxh0ah7y87rzv3ud0eleps9kl2d5348hq2k8qzqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgqpqqqqqqqqqqqqqqqqqqqqqqqqqqqzqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqqzq3zyg3zyg3zyg3vggzamrjghtt05kvkvpcp0a79gmy3nt6jsn98ad2xs8de6sl9qmgvcvs",

// ... and with second blinded path via Carol (0x434343...), blinding 020202...
"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",

// unknown odd field
"lno1pgx9getnwss8vetrw3hhyuckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxfppf5x2mrvdamk7unvvs",
];
for encoded_offer in &offers {
if let Err(e) = encoded_offer.parse::<Offer>() {
Expand All @@ -1542,48 +1574,155 @@ mod bech32_tests {
}

#[test]
fn fails_parsing_bech32_encoded_offers_with_invalid_continuations() {
let offers = [
// BOLT 12 test vectors
"lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg+",
"lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg+ ",
"+lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
"+ lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
"ln++o1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
];
for encoded_offer in &offers {
match encoded_offer.parse::<Offer>() {
Ok(_) => panic!("Valid offer: {}", encoded_offer),
Err(e) => assert_eq!(e, Bolt12ParseError::InvalidContinuation),
}
}
fn fails_parsing_bech32_encoded_offers() {
// Malformed: fields out of order
assert_eq!(
"lno1zcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszpgz5znzfgdzs".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
);

}
// Malformed: unknown even TLV type 78
assert_eq!(
"lno1pgz5znzfgdz3vggzqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpysgr0u2xq4dh3kdevrf4zg6hx8a60jv0gxe0ptgyfc6xkryqqqqqqqq".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::UnknownRequiredFeature)),
);

#[test]
fn fails_parsing_bech32_encoded_offer_with_invalid_hrp() {
let encoded_offer = "lni1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg";
match encoded_offer.parse::<Offer>() {
Ok(_) => panic!("Valid offer: {}", encoded_offer),
Err(e) => assert_eq!(e, Bolt12ParseError::InvalidBech32Hrp),
}
}
// Malformed: empty
assert_eq!(
"lno1".parse::<Offer>(),
Err(Bolt12ParseError::InvalidSemantics(Bolt12SemanticError::MissingDescription)),
);

#[test]
fn fails_parsing_bech32_encoded_offer_with_invalid_bech32_data() {
let encoded_offer = "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxo";
match encoded_offer.parse::<Offer>() {
Ok(_) => panic!("Valid offer: {}", encoded_offer),
Err(e) => assert_eq!(e, Bolt12ParseError::Bech32(bech32::Error::InvalidChar('o'))),
}
}
// Malformed: truncated at type
assert_eq!(
"lno1pg".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

#[test]
fn fails_parsing_bech32_encoded_offer_with_invalid_tlv_data() {
let encoded_offer = "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxgqqqqq";
match encoded_offer.parse::<Offer>() {
Ok(_) => panic!("Valid offer: {}", encoded_offer),
Err(e) => assert_eq!(e, Bolt12ParseError::Decode(DecodeError::InvalidValue)),
}
// Malformed: truncated in length
assert_eq!(
"lno1pt7s".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: truncated after length
assert_eq!(
"lno1pgpq".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: truncated in description
assert_eq!(
"lno1pgpyz".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: invalid offer_chains length
assert_eq!(
"lno1qgqszzs9g9xyjs69zcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: truncated currency UTF-8
assert_eq!(
"lno1qcqcqzs9g9xyjs69zcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: invalid currency UTF-8
assert_eq!(
"lno1qcpgqsg2q4q5cj2rg5tzzqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqg".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: truncated description UTF-8
assert_eq!(
"lno1pgqcq93pqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqy".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
);

// Malformed: invalid description UTF-8
assert_eq!(
"lno1pgpgqsgkyypqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqs".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
);

// Malformed: truncated offer_paths
assert_eq!(
"lno1pgz5znzfgdz3qqgpzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: zero num_hops in blinded_path
assert_eq!(
"lno1pgz5znzfgdz3qqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsqzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: truncated onionmsg_hop in blinded_path
assert_eq!(
"lno1pgz5znzfgdz3qqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqspqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqgkyypqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqs".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: bad first_node_id in blinded_path
assert_eq!(
"lno1pgz5znzfgdz3qqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqspqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqgqzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: bad blinding in blinded_path
assert_eq!(
"lno1pgz5znzfgdz3qqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcpqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqgqzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: bad blinded_node_id in onionmsg_hop
assert_eq!(
"lno1pgz5znzfgdz3qqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqspqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqgqzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
);

// Malformed: truncated issuer UTF-8
assert_eq!(
"lno1pgz5znzfgdz3yqvqzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
);

// Malformed: invalid issuer UTF-8
assert_eq!(
"lno1pgz5znzfgdz3yq5qgytzzqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqg".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
);

// Malformed: invalid offer_node_id
assert_eq!(
"lno1pgz5znzfgdz3vggzqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvps".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
);

// Contains type >= 80
assert_eq!(
"lno1pgz5znzfgdz3vggzqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgp9qgr0u2xq4dh3kdevrf4zg6hx8a60jv0gxe0ptgyfc6xkryqqqqqqqq".parse::<Offer>(),
Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
);

// TODO: Resolved in spec https://github.com/lightning/bolts/pull/798/files#r1334851959
// Contains unknown feature 22
assert!(
"lno1pgx9getnwss8vetrw3hhyucvqdqqqqqkyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg".parse::<Offer>().is_ok()
);

// Missing offer_description
assert_eq!(
"lno1zcss9mk8y3wkklfvevcrszlmu23kfrxh49px20665dqwmn4p72pksese".parse::<Offer>(),
Err(Bolt12ParseError::InvalidSemantics(Bolt12SemanticError::MissingDescription)),
);

// Missing offer_node_id"
assert_eq!(
"lno1pgx9getnwss8vetrw3hhyuc".parse::<Offer>(),
Err(Bolt12ParseError::InvalidSemantics(Bolt12SemanticError::MissingSigningPubkey)),
);
}
}
90 changes: 90 additions & 0 deletions lightning/src/offers/parse.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -216,3 +216,93 @@ impl From<secp256k1::Error> for Bolt12ParseError {
Self::InvalidSignature(error)
}
}

#[cfg(test)]
mod bolt12_tests {
use super::Bolt12ParseError;
use crate::offers::offer::Offer;

#[test]
fn encodes_offer_as_bech32_without_checksum() {
let encoded_offer = "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg";
let offer = dbg!(encoded_offer.parse::<Offer>().unwrap());
let reencoded_offer = offer.to_string();
dbg!(reencoded_offer.parse::<Offer>().unwrap());
assert_eq!(reencoded_offer, encoded_offer);
}

#[test]
fn parses_bech32_encoded_offers() {
let offers = [
// A complete string is valid
"lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",

// + can join anywhere
"l+no1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",

// Multiple + can join
"lno1pqps7sjqpgt+yzm3qv4uxzmtsd3jjqer9wd3hy6tsw3+5k7msjzfpy7nz5yqcn+ygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd+5xvxg",

// + can be followed by whitespace
"lno1pqps7sjqpgt+ yzm3qv4uxzmtsd3jjqer9wd3hy6tsw3+ 5k7msjzfpy7nz5yqcn+\nygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd+\r\n 5xvxg",
];
for encoded_offer in &offers {
if let Err(e) = encoded_offer.parse::<Offer>() {
panic!("Invalid offer ({:?}): {}", e, encoded_offer);
}
}
}

#[test]
fn fails_parsing_bech32_encoded_offers_with_invalid_continuations() {
let offers = [
// + must be surrounded by bech32 characters
"lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg+",
"lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg+ ",
"+lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
"+ lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
"ln++o1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
];
for encoded_offer in &offers {
match encoded_offer.parse::<Offer>() {
Ok(_) => panic!("Valid offer: {}", encoded_offer),
Err(e) => assert_eq!(e, Bolt12ParseError::InvalidContinuation),
}
}
}
}

#[cfg(test)]
mod tests {
use super::Bolt12ParseError;
use bitcoin::bech32;
use crate::ln::msgs::DecodeError;
use crate::offers::offer::Offer;

#[test]
fn fails_parsing_bech32_encoded_offer_with_invalid_hrp() {
let encoded_offer = "lni1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg";
match encoded_offer.parse::<Offer>() {
Ok(_) => panic!("Valid offer: {}", encoded_offer),
Err(e) => assert_eq!(e, Bolt12ParseError::InvalidBech32Hrp),
}
}

#[test]
fn fails_parsing_bech32_encoded_offer_with_invalid_bech32_data() {
let encoded_offer = "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxo";
match encoded_offer.parse::<Offer>() {
Ok(_) => panic!("Valid offer: {}", encoded_offer),
Err(e) => assert_eq!(e, Bolt12ParseError::Bech32(bech32::Error::InvalidChar('o'))),
}
}

#[test]
fn fails_parsing_bech32_encoded_offer_with_invalid_tlv_data() {
let encoded_offer = "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxgqqqqq";
match encoded_offer.parse::<Offer>() {
Ok(_) => panic!("Valid offer: {}", encoded_offer),
Err(e) => assert_eq!(e, Bolt12ParseError::Decode(DecodeError::InvalidValue)),
}
}
}