Disallow user-provided payer_signing_pubkey
#3264
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #3264 +/- ##
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Coverage 89.63% 89.64%
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Files 128 128
Lines 104891 105163 +272
Branches 104891 105163 +272
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+ Hits 94024 94278 +254
- Misses 8156 8181 +25
+ Partials 2711 2704 -7 ☔ View full report in Codecov by Sentry. |
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When creating an InvoiceRequests, users may choose to either use a transient signing pubkey generated by LDK or provide a static one. Disallow the latter as it allows users to reuse the same pubkey, which results in poor sender privacy.
Now that InvoiceRequest::payer_signing_pubkey is always a derived pubkey, there is no longer a need for PayerSigningPubkeyStrategy.
Now that invoice requests are signed using transient keys only, remove the corresponding signing method from NodeSigner since it is never used.
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When creating an
InvoiceRequests, users may choose to either use a transient signing pubkey generated by LDK or provide a static one. Disallow the latter as it allows users to reuse the same pubkey, which results in poor sender privacy.Based on #3237.
Fixes #3198.