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AccountSharedData.copy_into_owner_from_slice (#16755)

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This commit is contained in:
Jeff Washington (jwash)
2021-04-23 09:34:08 -05:00
committed by GitHub
parent 91be2903da
commit 87e2e07d34
2 changed files with 25 additions and 6 deletions
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18
sdk/src/account.rs
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@ -81,6 +81,7 @@ pub trait WritableAccount: ReadableAccount {
fn set_lamports(&mut self, lamports: u64);
fn data_as_mut_slice(&mut self) -> &mut [u8];
fn set_owner(&mut self, owner: Pubkey);
fn copy_into_owner_from_slice(&mut self, source: &[u8]);
fn set_executable(&mut self, executable: bool);
fn set_rent_epoch(&mut self, epoch: Epoch);
fn create(
@ -128,6 +129,9 @@ impl WritableAccount for Account {
fn set_owner(&mut self, owner: Pubkey) {
self.owner = owner;
}
fn copy_into_owner_from_slice(&mut self, source: &[u8]) {
self.owner.as_mut().copy_from_slice(source);
}
fn set_executable(&mut self, executable: bool) {
self.executable = executable;
}
@ -162,6 +166,9 @@ impl WritableAccount for AccountSharedData {
fn set_owner(&mut self, owner: Pubkey) {
self.owner = owner;
}
fn copy_into_owner_from_slice(&mut self, source: &[u8]) {
self.owner.as_mut().copy_from_slice(source);
}
fn set_executable(&mut self, executable: bool) {
self.executable = executable;
}
@ -565,6 +572,17 @@ pub mod tests {
(account1, account2)
}
#[test]
fn test_account_data_copy_as_slice() {
let key = Pubkey::new_unique();
let key2 = Pubkey::new_unique();
let (mut account1, mut account2) = make_two_accounts(&key);
account1.copy_into_owner_from_slice(key2.as_ref());
account2.copy_into_owner_from_slice(key2.as_ref());
assert!(accounts_equal(&account1, &account2));
assert_eq!(account1.owner(), &key2);
}
#[test]
fn test_account_set_data_from_slice() {
let key = Pubkey::new_unique();