4 Commits

Author SHA1 Message Date
Sjors Provoost
70de5cc2d2 ipc mining: pass missing context to BlockTemplate methods (incompatible schema change)
Adding a context parameter ensures that these methods are run in
their own thread and don't block other calls. They were missing
for:

- createNewBlock()
- checkBlock()

The missing parameters were first pointed out by plebhash in
https://github.com/bitcoin/bitcoin/issues/33575#issuecomment-3383290115 and
adding them should prevent possible performance problems and lockups,
especially with #34184 which can make the createNewBlock method block for a
long time before returning. It would be straightforward to make this change in
a backward compatible way
(https://github.com/bitcoin/bitcoin/pull/34184#discussion_r2770232149) but nice
to not need to go through the trouble.

Warning: This is an intermediate, review-only commit. Binaries built from it
should not be distributed or used to connect to other clients or servers. It
makes incompatible changes to the `mining.capnp` schema without updating the
`Init.makeMining` version, causing binaries to advertise support for a schema
they do not actually implement. Mixed versions may therefore exchange garbage
requests/responses instead of producing clear errors. The final commit in this
series bumps the mining interface number to ensure mismatches are detected.

git-bisect-skip: yes

Co-authored-by: Ryan Ofsky <ryan@ofsky.org>
2026-02-12 03:34:08 +01:00
Ryan Ofsky
2278f017af ipc mining: remove deprecated methods (incompatible schema change)
This change removes deprecated methods from the ipc mining interface.

Warning: This is an intermediate, review-only commit. Binaries built from it
should not be distributed or used to connect to other clients or servers. It
makes incompatible changes to the `mining.capnp` schema without updating the
`Init.makeMining` version, causing binaries to advertise support for a schema
they do not actually implement. Mixed versions may therefore exchange garbage
requests/responses instead of producing clear errors. The final commit in this
series bumps the mining interface number to ensure mismatches are detected.

git-bisect-skip: yes
2026-02-11 21:34:08 -05:00
Sjors Provoost
418b7995dd
test: have mining template helpers return None
Refactor the mining_create_block_template and mining_wait_next_template
helpers in ipc_util.py to return None if they time out or fail. It makes
the test easier to read and provides a more clear error message in case
of a regression.

There were a few spots that didn't use mining_wait_next_template yet,
which now do.
2026-02-07 13:13:31 +01:00
Sjors Provoost
01a1ae889e
test: move IPC helpers to ipc_util.py
Move IPC helpers into ipc_util.py and update interface_ipc.py
to use them.

Rename some helpers for clarity:
- parse_and_deserialize_block -> mining_get_block
- parse_and_deserialize_coinbase_tx -> mining_get_coinbase_tx
- get_coinbase_raw_tx -> mining_get_coinbase_raw_tx
- wait_next_template -> mining_wait_next_template
2026-02-06 15:44:06 +01:00