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Test feature bit semantics in Invoice::from_signed

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Jeffrey Czyz 2021-04-30 14:30:58 -07:00
parent 0592c52f23
commit 2226ae292b
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91
lightning-invoice/src/lib.rs
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@ -1525,6 +1525,97 @@ mod test {
assert!(new_signed.check_signature());
}
#[test]
fn test_check_feature_bits() {
use TaggedField::*;
use lightning::ln::features::InvoiceFeatures;
use secp256k1::Secp256k1;
use secp256k1::key::SecretKey;
use {RawInvoice, RawHrp, RawDataPart, Currency, Sha256, PositiveTimestamp, Invoice,
SemanticError};
let private_key = SecretKey::from_slice(&[42; 32]).unwrap();
let payment_secret = lightning::ln::PaymentSecret([21; 32]);
let invoice_template = RawInvoice {
hrp: RawHrp {
currency: Currency::Bitcoin,
raw_amount: None,
si_prefix: None,
},
data: RawDataPart {
timestamp: PositiveTimestamp::from_unix_timestamp(1496314658).unwrap(),
tagged_fields: vec ! [
PaymentHash(Sha256(sha256::Hash::from_hex(
"0001020304050607080900010203040506070809000102030405060708090102"
).unwrap())).into(),
Description(
::Description::new(
"Please consider supporting this project".to_owned()
).unwrap()
).into(),
],
},
};
// Missing features
let invoice = {
let mut invoice = invoice_template.clone();
invoice.data.tagged_fields.push(PaymentSecret(payment_secret).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
}.unwrap();
assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::InvalidFeatures));
// Missing feature bits
let invoice = {
let mut invoice = invoice_template.clone();
invoice.data.tagged_fields.push(PaymentSecret(payment_secret).into());
invoice.data.tagged_fields.push(Features(InvoiceFeatures::empty()).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
}.unwrap();
assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::InvalidFeatures));
// Including payment secret and feature bits
let invoice = {
let mut invoice = invoice_template.clone();
invoice.data.tagged_fields.push(PaymentSecret(payment_secret).into());
invoice.data.tagged_fields.push(Features(InvoiceFeatures::known()).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
}.unwrap();
assert!(Invoice::from_signed(invoice).is_ok());
// No payment secret or features
let invoice = {
let invoice = invoice_template.clone();
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
}.unwrap();
assert!(Invoice::from_signed(invoice).is_ok());
// No payment secret or feature bits
let invoice = {
let mut invoice = invoice_template.clone();
invoice.data.tagged_fields.push(Features(InvoiceFeatures::empty()).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
}.unwrap();
assert!(Invoice::from_signed(invoice).is_ok());
// Missing payment secret
let invoice = {
let mut invoice = invoice_template.clone();
invoice.data.tagged_fields.push(Features(InvoiceFeatures::known()).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
}.unwrap();
assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::InvalidFeatures));
// Multiple payment secrets
let invoice = {
let mut invoice = invoice_template.clone();
invoice.data.tagged_fields.push(PaymentSecret(payment_secret).into());
invoice.data.tagged_fields.push(PaymentSecret(payment_secret).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
}.unwrap();
assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::MultiplePaymentSecrets));
}
#[test]
fn test_builder_amount() {
use ::*;