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loader-v4-interface: update header state as per SIMD-0167 #367

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loader-v4-interface: update header state as per SIMD-0167 #367

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23 changes: 11 additions & 12 deletions loader-v4-interface/src/state.rs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
use solana_pubkey::Pubkey;

#[repr(u64)]
#[repr(u32)]
#[cfg_attr(feature = "frozen-abi", derive(solana_frozen_abi_macro::AbiExample))]
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum LoaderV4Status {
Expand All @@ -17,13 +17,14 @@ pub enum LoaderV4Status {
#[cfg_attr(feature = "frozen-abi", derive(solana_frozen_abi_macro::AbiExample))]
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub struct LoaderV4State {
/// Slot in which the program was last deployed, retracted or initialized.
pub slot: u64,
/// Address of signer which can send program management instructions when the status is not finalized.
/// Otherwise a forwarding to the next version of the finalized program.
pub authority_address_or_next_version: Pubkey,
/// Deployment status.
pub status: LoaderV4Status,
/// Length of the executable in bytes.
pub executable_length: u32,
/// Slot in which the program was last deployed, retracted or initialized.
pub slot: u64,
/// Address of signer which can send program management instructions.
pub authority_address: Pubkey,
// The raw program data follows this serialized structure in the
// account's data.
}
Expand All @@ -41,12 +42,10 @@ mod tests {

#[test]
fn test_layout() {
assert_eq!(offset_of!(LoaderV4State, slot), 0x00);
assert_eq!(
offset_of!(LoaderV4State, authority_address_or_next_version),
0x08
);
assert_eq!(offset_of!(LoaderV4State, status), 0x28);
assert_eq!(offset_of!(LoaderV4State, status), 0x00);
assert_eq!(offset_of!(LoaderV4State, executable_length), 0x04);
assert_eq!(offset_of!(LoaderV4State, slot), 0x08);
assert_eq!(offset_of!(LoaderV4State, authority_address), 0x10);
assert_eq!(LoaderV4State::program_data_offset(), 0x30);
}
}