83 lines
2.5 KiB
Rust
83 lines
2.5 KiB
Rust
use crate::{AccountDeserialize, AccountSerialize, Owner};
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use solana_program::{
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bpf_loader_upgradeable::UpgradeableLoaderState, program_error::ProgramError, pubkey::Pubkey,
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};
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#[derive(Clone)]
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pub struct ProgramData {
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pub slot: u64,
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pub upgrade_authority_address: Option<Pubkey>,
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}
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impl AccountDeserialize for ProgramData {
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fn try_deserialize(
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buf: &mut &[u8],
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) -> Result<Self, solana_program::program_error::ProgramError> {
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ProgramData::try_deserialize_unchecked(buf)
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}
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fn try_deserialize_unchecked(
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buf: &mut &[u8],
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) -> Result<Self, solana_program::program_error::ProgramError> {
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let program_state = AccountDeserialize::try_deserialize_unchecked(buf)?;
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match program_state {
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UpgradeableLoaderState::Uninitialized => {
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Err(anchor_lang::error::ErrorCode::AccountNotProgramData.into())
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}
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UpgradeableLoaderState::Buffer {
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authority_address: _,
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} => Err(anchor_lang::error::ErrorCode::AccountNotProgramData.into()),
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UpgradeableLoaderState::Program {
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programdata_address: _,
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} => Err(anchor_lang::error::ErrorCode::AccountNotProgramData.into()),
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UpgradeableLoaderState::ProgramData {
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slot,
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upgrade_authority_address,
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} => Ok(ProgramData {
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slot,
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upgrade_authority_address,
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}),
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}
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}
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}
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impl AccountSerialize for ProgramData {
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fn try_serialize<W: std::io::Write>(
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&self,
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_writer: &mut W,
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) -> Result<(), solana_program::program_error::ProgramError> {
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// no-op
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Ok(())
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}
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}
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impl Owner for ProgramData {
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fn owner() -> solana_program::pubkey::Pubkey {
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anchor_lang::solana_program::bpf_loader_upgradeable::ID
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}
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}
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impl Owner for UpgradeableLoaderState {
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fn owner() -> Pubkey {
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anchor_lang::solana_program::bpf_loader_upgradeable::ID
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}
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}
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impl AccountSerialize for UpgradeableLoaderState {
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fn try_serialize<W: std::io::Write>(&self, _writer: &mut W) -> Result<(), ProgramError> {
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// no-op
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Ok(())
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}
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}
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impl AccountDeserialize for UpgradeableLoaderState {
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fn try_deserialize(buf: &mut &[u8]) -> Result<Self, ProgramError> {
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UpgradeableLoaderState::try_deserialize_unchecked(buf)
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}
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fn try_deserialize_unchecked(buf: &mut &[u8]) -> Result<Self, ProgramError> {
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bincode::deserialize(buf).map_err(|_| ProgramError::InvalidAccountData)
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}
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}
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