fuzz-arith: Added test for PR8298#1
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Changelog-None: The `fuzz-amount` test doesn't fuzz the arithmetic operations for `struct amount_sat` and `struct amount_msat`. Add a test for them.
Add a minimal input set as a seed corpus for the newly introduced test. This leads to discovery of interesting code paths faster.
Chand-ra
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Uniform padding (sending all messages as 1460-byte chunks) breaks peers running LND-based nodes: LND disconnects on receiving a ping(num_pong_bytes=65535) with "pong bytes exceeded" instead of ignoring it as required by BOLT #1. Gate the feature behind --dev-uniform-padding so it is opt-in rather than forced on all connections. Nodes that only peer with CLN can enable it for the traffic analysis defence. Changelog-Changed: uniform message padding is now opt-in via the --dev-uniform-padding flag.
Chand-ra
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May 6, 2026
Uniform padding (sending all messages as 1460-byte chunks) breaks peers running LND-based nodes: LND disconnects on receiving a ping(num_pong_bytes=65535) with "pong bytes exceeded" instead of ignoring it as required by BOLT #1. Gate the feature behind --dev-uniform-padding so it is opt-in rather than forced on all connections. Nodes that only peer with CLN can enable it for the traffic analysis defence. Changelog-Changed: uniform message padding is now opt-in via the --dev-uniform-padding flag.
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