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@gregorydemay gregorydemay commented Jul 31, 2025

Refactor the trait CyclesChargingPolicy to make it easier to configure cycles accounting when building a service as shown in the examples of #6 .

BREAKING CHANGE: The trait CyclesChargingPolicy was changed as follows:

  1. The method cycles_to_charge that only computed the amount of cycles to charge was removed.
  2. A new method charge_cycles that does the actual charging was introduced as well as several implementations such as ChargeMyself or ChargeCaller that can be used to achieve the same functionalty as before.

@gregorydemay gregorydemay marked this pull request as ready for review July 31, 2025 14:35
@gregorydemay gregorydemay requested a review from a team as a code owner July 31, 2025 14:35
@gregorydemay gregorydemay requested a review from lpahlavi July 31, 2025 14:35
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Thanks a lot for the PR @gregorydemay, really like the improvements! Just some very small nits from my side.

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Thanks for the review @lpahlavi!

@gregorydemay gregorydemay merged commit 0671b60 into main Aug 11, 2025
9 checks passed
@gregorydemay gregorydemay deleted the XC-427-improve-cycles-layer branch August 11, 2025 12:31
@github-actions github-actions bot mentioned this pull request Oct 8, 2025
lpahlavi added a commit that referenced this pull request Oct 20, 2025
## 🤖 New release

* `canhttp`: 0.2.1 -> 0.3.0 (⚠ API breaking changes)

### ⚠ `canhttp` breaking changes

```text
--- failure enum_missing: pub enum removed or renamed ---

Description:
A publicly-visible enum cannot be imported by its prior path. A `pub use` may have been removed, or the enum itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/enum_missing.ron

Failed in:
  enum canhttp::CyclesAccountingError, previously in file /tmp/.tmpHTwER4/canhttp/src/cycles/mod.rs:100

--- failure struct_missing: pub struct removed or renamed ---

Description:
A publicly-visible struct cannot be imported by its prior path. A `pub use` may have been removed, or the struct itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/struct_missing.ron

Failed in:
  struct canhttp::IcHttpRequestWithCycles, previously in file /tmp/.tmpHTwER4/canhttp/src/client/mod.rs:100
  struct canhttp::CyclesCostEstimator, previously in file /tmp/.tmpHTwER4/canhttp/src/cycles/mod.rs:28
  struct canhttp::CyclesAccounting, previously in file /tmp/.tmpHTwER4/canhttp/src/cycles/mod.rs:114

--- failure struct_with_pub_fields_changed_type: struct with pub fields became an enum or union ---

Description:
A struct with pub fields became an enum or union, breaking accesses to its public fields.
        ref: obi1kenobi/cargo-semver-checks#297 (comment)
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/struct_with_pub_fields_changed_type.ron

Failed in:
  struct canhttp::IcError became enum in file /tmp/.tmpeFTXb6/canhttp/canhttp/src/client/mod.rs:46

--- failure trait_missing: pub trait removed or renamed ---

Description:
A publicly-visible trait cannot be imported by its prior path. A `pub use` may have been removed, or the trait itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/trait_missing.ron

Failed in:
  trait canhttp::CyclesChargingPolicy, previously in file /tmp/.tmpHTwER4/canhttp/src/cycles/mod.rs:10
```

<details><summary><i><b>Changelog</b></i></summary><p>

<blockquote>

## [0.3.0] - 2025-10-08

### Added
- **Breaking:** A new method `charge_cycles` that does the actual
charging was added to `CyclesChargingPolicy`
([#7](#7))
- Example of canister using the library to make HTTP requests
([#6](#6))

### Changed
- **Breaking:** Update `ic-cdk` to `v0.18.7` including several changes
to align with the new HTTP outcall API
([#21](#21)). Notably:
  - `IcError` is refactored into an enum
- Use of the new `HttpRequestArgs` and `HttpRequestResult` types in
`CyclesChargingPolicy` and `Client` trait impls
- Removal of `IcHttpRequestWithCycles`, `CyclesCostEstimator`,
`CyclesAccountingError` and `CyclesAccounting` due to the `ic-cdk`
method for making HTTP outcalls now taking care of charging cycles

[0.3.0]:
https://github.com/dfinity/canhttp/compare/canhttp-v0.2.1..canhttp-v0.3.0
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/release-plz/release-plz/).

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Louis Pahlavi <louis.pahlavi@dfinity.org>
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