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`TxOrdering` is made generic by exposing the generic from `TxSort` function. The benefit is that we're no longer limited to ordering lists of only `TxIn` or `TxOut`. We use bitcoin `TxIn` and `TxOut` as the default type parameter to maintain backward compatibility. Add `sort_with_rng` for `TxOrdering<In, Out>` for sorting two generic mutable slices. This will be useful in a later commit by applying a `TxOrdering` to the Input/Output sets of a `Selection`.
We add the `psbt::params` module along with new types including `PsbtParams` and `SelectionStrategy`. `PsbtParams` is mostly inspired by `TxParams` from `tx_builder.rs`, except that we've removed support for `policy_path` in favor of `add_assets` API. Further enhancements include `.utxo_filter` and `.canonical_params` member fields. `PsbtParams<C>` contains a type parameter `C` indicating the context in which the parameters can be used. Methods related to PSBT creation exist within the `CreateTx` context, and methods related to replacements (RBF) exist within the `ReplaceTx` context. In `lib.rs` re-export everything under `psbt` module. - deps: Add `bdk_tx` 0.1.0 - deps: Add `bdk_coin_select` 0.4.1
We use the new `PsbtParams` to add methods on `Wallet` for creating PSBTs, including RBF transactions. `Wallet::create_psbt` and `Wallet::replace_by_fee` each have no-std counterparts that take an additional `impl RngCore` parameter. Also adds a high level convenience method `Wallet::replace_by_fee_and_recipients` that exposes the minimum information needed to create an RBF. This commit re-introduces the `Wallet::insert_tx` API for adding transaction data to the wallet that may or may not be canonical from the point of view of the TxGraph. Added `Wallet::transactions_with_params` that allows customizing the internal canonicalization logic. Added new errors to `wallet::errors` - `CreatePsbtError` - `ReplaceByFeeError`
Adds additional tests to exercise `PsbtParams` logic and PSBT creation. - test-utils: Add `insert_tx_anchor` test helper for adding a transaction to the wallet with associated anchor block.
- `examples/psbt.rs` - `examples/rbf.rs`
Made a number of API changes to `PsbtParams` - Add `PsbtParams::sighash_type` - psbt: Change `change_descriptor` to `change_script` - Add `PsbtParams::change_policy` - psbt: Change `feerate` to `fee` using `FeeStrategy` - Remove `longterm_feerate` TODO: - This should be updated to depend on `bdk_tx` version 0.2.0 which is still unreleased.
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AmosOO7
suggested changes
Feb 3, 2026
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| // Create psbt | ||
| let mut psbt = selection | ||
| .create_psbt(bdk_tx::PsbtParams { |
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Hello, I am getting an error on this line.
error message:
missing field `enable_anti_fee_sniping` in initializer of `bdk_tx::PsbtParams`
missing `enable_anti_fee_sniping`
I was able to clear the error by adding enable_anti_fee_sniping: true, to the existing fields.
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Thank you for pointing that out. We cannot outrightly set it to true, it's okay to give users the liberty to set the desired behaviour.
A dependency (bdk-tx) was updated after this PR was created, which introduced the new enable_anti_fee_sniping field, hence the build error.
It will be added as a configurable option in the PsbtParams struct.
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Description
This PR adds support for creating Child-Pays-For-Parent (CPFP) transactions to accelerate unconfirmed parent transactions by creating a child transaction that spends from an unconfirmed parent output with a higher fee rate.
Notes to the reviewers
Changelog notice
Added
CreateSweepErrorenumWallet::create_sweepWallet::create_sweep_with_rngexamples/cpfp.rsRebased on #297
Checklists
All Submissions:
just pbefore pushingNew Features:
Bugfixes:
This pull request breaks the existing APII've added tests to reproduce the issue which are now passingI'm linking the issue being fixed by this PR