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doc: Release notes for mining IPC interface bump

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Ryan Ofsky
2026-02-12 08:39:11 -05:00
parent 9453c15361
commit f700609e8a
2 changed files with 11 additions and 8 deletions
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doc/release-notes-33819.md
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Mining IPC
----------
- The `getCoinbaseTx()` method is renamed to `getCoinbaseRawTx()` and deprecated.
IPC clients do not use the function name, so they're not affected. (#33819)
- Adds `getCoinbaseTx()` which clients should use instead of `getCoinbaseRawTx()`. It
contains all fields required to construct a coinbase transaction, and omits the
dummy output which Bitcoin Core uses internally. (#33819)

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doc/release-notes-34568.md Normal file
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Mining IPC
----------
The IPC mining interface now requires mining clients to use the latest `mining.capnp` schema. Clients built against older schemas will fail when calling `Init.makeMining` and receive an RPC error indicating the old mining interface is no longer supported. Mining clients must update to the latest schema and regenerate bindings to continue working. (#34568)
Notable IPC mining interface changes since the last release:
- `Mining.createNewBlock` and `Mining.checkBlock` now require a `context` parameter.
- `Mining.waitTipChanged` now has a default `timeout` (effectively infinite / `maxDouble`) if the client omits it.
- `BlockTemplate.getCoinbaseTx()` now returns a structured `CoinbaseTx` instead of raw bytes.
- Removed `BlockTemplate.getCoinbaseCommitment()` and `BlockTemplate.getWitnessCommitmentIndex()`.
- Cap’n Proto default values were updated to match the corresponding C++ defaults for mining-related option structs (e.g. `BlockCreateOptions`, `BlockWaitOptions`, `BlockCheckOptions`).