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Added Program hash changed event #13

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merged 4 commits into from
Mar 6, 2024
Merged

Added Program hash changed event #13

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6eeac34
feat : Implemented reentrancy gaurd
Akashneelesh Feb 14, 2024
db513b2
feat : Minor changes
Akashneelesh Feb 14, 2024
6c04533
feat : ProgramHashChanged event implemented
Akashneelesh Feb 14, 2024
bb523f5
feat : Added ProgramInfoChanged
Akashneelesh Feb 26, 2024
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15 changes: 13 additions & 2 deletions src/appchain.cairo
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@ mod appchain {
OwnableComponent as ownable_cpt, OwnableComponent::InternalTrait as OwnableInternal,
interface::IOwnable
};
use openzeppelin::security::reentrancyguard::{
ReentrancyGuardComponent,
ReentrancyGuardComponent::InternalTrait as InternalReentrancyGuardImpl
};
use piltover::config::{config_cpt, config_cpt::InternalTrait as ConfigInternal, IConfig};
use piltover::interface::IAppchain;
use piltover::messaging::{
Expand All @@ -31,6 +35,9 @@ mod appchain {
component!(path: ownable_cpt, storage: ownable, event: OwnableEvent);
component!(path: config_cpt, storage: config, event: ConfigEvent);
component!(path: messaging_cpt, storage: messaging, event: MessagingEvent);
component!(
path: ReentrancyGuardComponent, storage: reentrancy_guard, event: ReentrancyGuardEvent
);

#[abi(embed_v0)]
impl ConfigImpl = config_cpt::ConfigImpl<ContractState>;
Expand All @@ -45,6 +52,8 @@ mod appchain {
config: config_cpt::Storage,
#[substorage(v0)]
messaging: messaging_cpt::Storage,
#[substorage(v0)]
reentrancy_guard: ReentrancyGuardComponent::Storage,
}

#[event]
Expand All @@ -56,6 +65,8 @@ mod appchain {
ConfigEvent: config_cpt::Event,
#[flat]
MessagingEvent: messaging_cpt::Event,
#[flat]
ReentrancyGuardEvent: ReentrancyGuardComponent::Event,
}

/// Initializes the contract.
Expand All @@ -72,9 +83,8 @@ mod appchain {
#[abi(embed_v0)]
impl Appchain of IAppchain<ContractState> {
fn update_state(ref self: ContractState, program_output: Span<felt252>) {
self.reentrancy_guard.start();
self.config.assert_only_owner_or_operator();

// TODO(#2): reentrancy guard.
// TODO(#3): facts verification.
// TODO(#4): update the current state (component needed).

Expand All @@ -98,6 +108,7 @@ mod appchain {

self.messaging.process_messages_to_starknet(messages_to_starknet);
self.messaging.process_messages_to_appchain(messages_to_appchain);
self.reentrancy_guard.end();
}
}
}
31 changes: 28 additions & 3 deletions src/config/component.cairo
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ mod config_cpt {
interface::IOwnable,
};
use piltover::config::interface::IConfig;
use starknet::ContractAddress;
use starknet::{ContractAddress, get_caller_address};
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Our current style is to not import functions like this, instead when you use the function do Starknet::get_caller_address

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@Akashneelesh Akashneelesh Feb 26, 2024 •
edited
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Actually this is how its been done in other projects as well,

use starknet::{ContractAddress, get_caller_address};

I feel this is like a best practices thing, instead if we have another instance we dont need to do

Starknet::get_caller_address

Rather just call get_caller_address

use super::errors;

#[storage]
Expand All @@ -32,6 +32,21 @@ mod config_cpt {
facts_registry: ContractAddress,
}

#[event]
#[derive(Copy, Drop, starknet::Event)]
enum Event {
ProgramInfoChanged: ProgramInfoChanged,
}

#[derive(Copy, Drop, starknet::Event)]
struct ProgramInfoChanged {
changed_by: ContractAddress,
old_program_hash: felt252,
new_program_hash: felt252,
old_config_hash: felt252,
new_config_hash: felt252,
}

#[embeddable_as(ConfigImpl)]
impl Config<
TContractState,
Expand All @@ -51,8 +66,18 @@ mod config_cpt {
ref self: ComponentState<TContractState>, program_hash: felt252, config_hash: felt252
) {
self.assert_only_owner_or_operator();
self.program_info.write((program_hash, config_hash))
// TODO(#6): ProgramHashChanged Event
let (old_program_hash, old_config_hash): (felt252, felt252) = self.program_info.read();
self.program_info.write((program_hash, config_hash));
self
.emit(
ProgramInfoChanged {
changed_by: get_caller_address(),
old_program_hash: old_program_hash,
new_program_hash: program_hash,
old_config_hash: old_config_hash,
new_config_hash: config_hash,
}
);
}

fn get_program_info(self: @ComponentState<TContractState>) -> (felt252, felt252) {
Expand Down