feat: implement and calculate the current key period using pallas #1541
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- update the source of dependencies `pallas-addresses`, `pallas-codec`, `pallas-network`, `pallas-primitives`, `pallas-traverse` to a git repository with branch `feat/genesis-config` - add a new method `calculate_kes_period` to fetch chain point and genesis config through local statequery - implement logic in the `calculate_kes_period` method to calculate the kes period based on retrieved data
- remove the `fallback` field from `pallaschainobserver` - update the `pallaschainobserver::new` method signature to no longer accept `fallback` argument in `pallas_observer.rs` - update the test functions in the `mod tests` section to no longer use `fallback` in `pallas_observer.rs` - remove the `fallback` field and related code in `mithrilinfrastructure` in `infrastructure.rs`
- remove unnecessary imports in `chain_observer/pallas_observer.rs` - fix formatting issues in the code - simplify the `get_fake_utxo_by_address` function definition
- update the `pallas-addresses`, `pallas-codec`, `pallas-network`, `pallas-primitives`, `pallas-traverse`, and `pallas-crypto` dependencies to use the `txpipe` repository and `main` branch instead of the `falcucci` repository and `feat/genesis-config` branch in `cargo.toml`
- refactor the code to retrieve `slots_per_kes_period` from `config` instead of directly from `genesis_config` - improve error handling by adding context to the error message - adjust the calculation of `current_kes_period` to use the updated `slots_per_kes_period` calculation from `config`
- change error message from obtaining genesis config to extracting the config.
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hey @jpraynaud ready for review |
- add validation for slots_per_kes_period being greater than 0 - update error message for slots_per_kes_period being 0
- add a new async function `calculate_kes_period` that takes `&self, chain_point: point, slots_per_kes_period: u64` as arguments - rename the function `calculate_kes_period` to `get_kes_period` - modify code in the test mod to match the changes in `calculate_kes_period` function
- update the specific point value from 53536042 to 52851885 in the `getchainpoint` request.
- add a comment for the `calculate_kes_period` method - include `chain_point` and `slots_per_kes_period` as arguments at the method definition
Alenar
reviewed
Mar 1, 2024
- change return type of function from `u32` to `kesperiod` - fix error handling and conversion in the function - update test case with new chain point slot value
- refactor the `pallaschainobserver` implementation to handle `slots_per_kes_period` being `0` differently - update the calculation of `current_kes_period` to handle the new logic for `slots_per_kes_period` being `0`
- add detailed documentation for the `calculate_kes_period` function and its usage - improve the explanation of the calculation formula for the kes period - include an example with input values for the calculation formula
- fix a typo in the variable description from `s symbolizes` to `s represents`
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@jpraynaud @Alenar done, thank you. |
jpraynaud
approved these changes
Mar 1, 2024
- update the comment and variable names in `mithril-common/src/chain_observer/pallas_observer.rs` to improve clarity.
falcucci
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Hi @falcucci, it looks like some clippy warnings need also to be fixed: https://github.com/input-output-hk/mithril/actions/runs/8113314179/job/22176650787#step:4:1110 |
- remove unused imports related to chainobserver in infrastructure.rs - update the import to use pallaschainobserver directly
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@jpraynaud true, fixed. |
- update the version number in `mithril-common/cargo.toml` from `0.3.15` to `0.3.16`
- change code block syntax in comments to `no_run` - update comments in code for example clarity
![github-advanced-security[bot]](https://avatars.githubusercontent.com/in/57789?s=60&v=4){kind=small}
| /// | ||
| /// ## Example: | ||
| /// | ||
| ///! ```no_run |
Check warning
Code scanning / clippy
this is an outer doc comment and does not apply to the parent module or crate
| /// | ||
| /// ## Example: | ||
| /// | ||
| ///! ```no_run |
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this is an outer doc comment and does not apply to the parent module or crate
- update comments for the `calculate current kes period` function in `mithril-common/src/chain_observer/pallas_observer.rs`
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| ///! # Calculate Current KES Period | ||
| ///! | ||
| ///! It calculates the current Key Evolving Signature (KES) period | ||
| ///! based on the provided `chain_point` and `slots_per_kes_period`. | ||
| ///! | ||
| ///! The calculation formula is represented as: | ||
| ///! | ||
| ///! `current_kes_period = ⌊current_slot_number/slots_per_kes_period⌋` | ||
| ///! | ||
| ///! where: | ||
| ///! - `current_slot_number` represents the current slot number given by the `point` on the chain. | ||
| ///! - `slots_per_kes_period` represents the number of slots in a KES period. | ||
| ///! - `⌊x⌋` is the floor function which rounds the greatest integer less than or equal to `x`. | ||
| ///! | ||
| ///! ## Example: | ||
| ///! | ||
| ///!! ```no_run | ||
| ///! let (chain_point, slots_per_kes_period) = (Point::new(1), 10); | ||
| ///! match calculate_kes_period(&self, chain_point, slots_per_kes_period) { | ||
| ///! Ok(kes_period) => println!("Current KES Period: {}", kes_period), | ||
| ///! Err(e) => println!("Error occurred: {}", e), | ||
| ///! } | ||
| ///! ``` |
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| ///! # Calculate Current KES Period | ||
| ///! | ||
| ///! It calculates the current Key Evolving Signature (KES) period | ||
| ///! based on the provided `chain_point` and `slots_per_kes_period`. | ||
| ///! | ||
| ///! The calculation formula is represented as: | ||
| ///! | ||
| ///! `current_kes_period = ⌊current_slot_number/slots_per_kes_period⌋` | ||
| ///! | ||
| ///! where: | ||
| ///! - `current_slot_number` represents the current slot number given by the `point` on the chain. | ||
| ///! - `slots_per_kes_period` represents the number of slots in a KES period. | ||
| ///! - `⌊x⌋` is the floor function which rounds the greatest integer less than or equal to `x`. | ||
| ///! | ||
| ///! ## Example: | ||
| ///! | ||
| ///!! ```no_run | ||
| ///! let (chain_point, slots_per_kes_period) = (Point::new(1), 10); | ||
| ///! match calculate_kes_period(&self, chain_point, slots_per_kes_period) { | ||
| ///! Ok(kes_period) => println!("Current KES Period: {}", kes_period), | ||
| ///! Err(e) => println!("Error occurred: {}", e), | ||
| ///! } | ||
| ///! ``` |
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this is an outer doc comment and does not apply to the parent module or crate
- updated the documentation for the `calculate current kes period` function in `pallas_observer.rs`
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| ///! ```no_run | ||
| ///! let (chain_point, slots_per_kes_period) = (Point::new(1), 10); | ||
| ///! match calculate_kes_period(&self, chain_point, slots_per_kes_period) { | ||
| ///! Ok(kes_period) => println!("Current KES Period: {}", kes_period), | ||
| ///! Err(e) => println!("Error occurred: {}", e), | ||
| ///! } | ||
| ///! ``` |
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this is an outer doc comment and does not apply to the parent module or crate
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| ///! ```no_run | ||
| ///! let (chain_point, slots_per_kes_period) = (Point::new(1), 10); | ||
| ///! match calculate_kes_period(&self, chain_point, slots_per_kes_period) { | ||
| ///! Ok(kes_period) => println!("Current KES Period: {}", kes_period), | ||
| ///! Err(e) => println!("Error occurred: {}", e), | ||
| ///! } | ||
| ///! ``` |
Check warning
Code scanning / clippy
this is an outer doc comment and does not apply to the parent module or crate
- update `calculate_kes_period` function in `pallas_observer.rs` to include a new example with chain_point and slots_per_kes_period values - remove the old example from the `calculate_kes_period` function in `pallas_observer.rs`
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fixes #1315