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bitcoin: Add some upgrade notes 

While upgrading `miniscript` to use tip of master I made some notes to
help users upgrade. Just throw them in the changelog file or now.
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Tobin C. Harding 2024-10-16 17:39:24 +11:00
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bitcoin/CHANGELOG.md
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@ -1,3 +1,20 @@
# 0.33.0-alpha - TODO: Set date
- Enforce script size limit when hashing scripts [#2794](https://github.com/rust-bitcoin/rust-bitcoin/pull/2794)
## Upgrade notes
- `MAX_SCRIPT_ELEMENT_SIZE` was removed in [#2794](https://github.com/rust-bitcoin/rust-bitcoin/pull/2794)
you may want to use `MAX_REDEEM_SCRIPT_SIZE` or perhaps `MAX_STACK_ELEMENT_SIZE` (see `bitcoin/src/blockdata/constants`).
- `ecdsa::Error` was replaced by `ecdsa::DecodeError` and `ecdsa::ParseSignatureError`
(returned by `ecdsa::Signature::from_slice` and `from_str` respectively).
- `script::read_scriptint` was move to be a method on `PushBytes`.
- You can likely just remove the `hashes::Hash` trait import.
- Change `OutPoint::default()` to `OutPoint::COINBASE_PREVOUT` if appropriate.
- Change `TxIn::default()` to `TxIn::EMPTY_COINBASE` if appropriate.
- Change `to_raw_hash()` to `to_byte_array()`.
- `bitcoin::error::UnprefixedHexError` moved to `bitcoin::parse::UnprefixedHexError`.
# 0.32.3 - 2024-09-27
- Backport BIP-32 alias' without typo [#3252](https://github.com/rust-bitcoin/rust-bitcoin/pull/3252)