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feat: implement oracle_store #584

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merged 2 commits into from
Nov 9, 2023
Merged

feat: implement oracle_store #584

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269da3b
feat: implement oracle_store
zarboq Nov 9, 2023
ebdf3fb
fmt
zarboq Nov 9, 2023
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43 changes: 30 additions & 13 deletions src/oracle/oracle_store.cairo
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,8 @@ mod OracleStore {
/// Interface to interact with the `EventEmitter` contract.
event_emitter: IEventEmitterDispatcher,
// NOTE: temporarily implemented to complete oracle tests.
signers: List<ContractAddress>
signers: List<ContractAddress>,
signers_indexes: LegacyMap<ContractAddress, u32>
}

// *************************************************************************
Expand Down Expand Up @@ -125,29 +126,45 @@ mod OracleStore {
self.role_store.write(IRoleStoreDispatcher { contract_address: role_store_address });
}

fn add_signer(ref self: ContractState, account: ContractAddress) { // TODO
// NOTE: temporarily implemented to complete oracle tests.
fn add_signer(ref self: ContractState, account: ContractAddress) {
let mut signers = self.signers.read();
let index = signers.len();
signers.append(account);
self.signers_indexes.write(account, index);
}

fn remove_signer(ref self: ContractState, account: ContractAddress) { // TODO
fn remove_signer(ref self: ContractState, account: ContractAddress) {
let mut signers = self.signers.read();
let last_signer_index = signers.len();
let signer_to_remove_index = self.signers_indexes.read(account);
let last_signer = signers.get(last_signer_index).expect('failed to get last signer');
signers.set(signer_to_remove_index, last_signer);
self.signers_indexes.write(last_signer, signer_to_remove_index);
signers.len = signers.len() - 1;
}

fn get_signer_count(self: @ContractState) -> u128 { // TODO
0
fn get_signer_count(self: @ContractState) -> u128 {
self.signers.read().len().into()
}

fn get_signer(self: @ContractState, index: usize) -> ContractAddress { // TODO
fn get_signer(self: @ContractState, index: usize) -> ContractAddress {
// NOTE: temporarily implemented to complete oracle tests.
let mut signers = self.signers.read();
signers.get(index).expect('array get failed')
self.signers.read().get(index).expect('failed to get signer')
}

fn get_signers(
self: @ContractState, start: u128, end: u128
) -> Array<ContractAddress> { // TODO
ArrayTrait::new()
fn get_signers(self: @ContractState, start: u128, end: u128) -> Array<ContractAddress> {
let mut signers_subset: Array<ContractAddress> = ArrayTrait::new();
let signers = self.signers.read();

let mut index: u32 = start.try_into().expect('failed convertion u32 to u128');
loop {
if start == end {
break;
}
signers_subset.append(signers.get(index).expect('out of bound signer index'))
};

signers_subset
}
}
}
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