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use {
crate::{
parse_account_data::{ParsableAccount, ParseAccountError},
UiAccountData, UiAccountEncoding,
},
bincode::{deserialize, serialized_size},
solana_sdk::{bpf_loader_upgradeable::UpgradeableLoaderState, pubkey::Pubkey},
};
pub fn parse_bpf_upgradeable_loader(
data: &[u8],
) -> Result<BpfUpgradeableLoaderAccountType, ParseAccountError> {
let account_state: UpgradeableLoaderState = deserialize(data).map_err(|_| {
ParseAccountError::AccountNotParsable(ParsableAccount::BpfUpgradeableLoader)
})?;
let parsed_account = match account_state {
UpgradeableLoaderState::Uninitialized => BpfUpgradeableLoaderAccountType::Uninitialized,
UpgradeableLoaderState::Buffer { authority_address } => {
let offset = if authority_address.is_some() {
UpgradeableLoaderState::size_of_buffer_metadata()
} else {
UpgradeableLoaderState::size_of_buffer_metadata()
- serialized_size(&Pubkey::default()).unwrap() as usize
};
BpfUpgradeableLoaderAccountType::Buffer(UiBuffer {
authority: authority_address.map(|pubkey| pubkey.to_string()),
data: UiAccountData::Binary(
base64::encode(&data[offset as usize..]),
UiAccountEncoding::Base64,
),
})
}
UpgradeableLoaderState::Program {
programdata_address,
} => BpfUpgradeableLoaderAccountType::Program(UiProgram {
program_data: programdata_address.to_string(),
}),
UpgradeableLoaderState::ProgramData {
slot,
upgrade_authority_address,
} => {
let offset = if upgrade_authority_address.is_some() {
UpgradeableLoaderState::size_of_programdata_metadata()
} else {
UpgradeableLoaderState::size_of_programdata_metadata()
- serialized_size(&Pubkey::default()).unwrap() as usize
};
BpfUpgradeableLoaderAccountType::ProgramData(UiProgramData {
slot,
authority: upgrade_authority_address.map(|pubkey| pubkey.to_string()),
data: UiAccountData::Binary(
base64::encode(&data[offset as usize..]),
UiAccountEncoding::Base64,
),
})
}
};
Ok(parsed_account)
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq)]
#[serde(rename_all = "camelCase", tag = "type", content = "info")]
pub enum BpfUpgradeableLoaderAccountType {
Uninitialized,
Buffer(UiBuffer),
Program(UiProgram),
ProgramData(UiProgramData),
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
pub struct UiBuffer {
pub authority: Option<String>,
pub data: UiAccountData,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
pub struct UiProgram {
pub program_data: String,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
pub struct UiProgramData {
pub slot: u64,
pub authority: Option<String>,
pub data: UiAccountData,
}
#[cfg(test)]
mod test {
use {super::*, bincode::serialize, solana_sdk::pubkey::Pubkey};
#[test]
fn test_parse_bpf_upgradeable_loader_accounts() {
let bpf_loader_state = UpgradeableLoaderState::Uninitialized;
let account_data = serialize(&bpf_loader_state).unwrap();
assert_eq!(
parse_bpf_upgradeable_loader(&account_data).unwrap(),
BpfUpgradeableLoaderAccountType::Uninitialized
);
let program = vec![7u8; 64]; let authority = Pubkey::new_unique();
let bpf_loader_state = UpgradeableLoaderState::Buffer {
authority_address: Some(authority),
};
let mut account_data = serialize(&bpf_loader_state).unwrap();
account_data.extend_from_slice(&program);
assert_eq!(
parse_bpf_upgradeable_loader(&account_data).unwrap(),
BpfUpgradeableLoaderAccountType::Buffer(UiBuffer {
authority: Some(authority.to_string()),
data: UiAccountData::Binary(base64::encode(&program), UiAccountEncoding::Base64),
})
);
let bpf_loader_state = UpgradeableLoaderState::Buffer {
authority_address: None,
};
let mut account_data = serialize(&bpf_loader_state).unwrap();
account_data.extend_from_slice(&program);
assert_eq!(
parse_bpf_upgradeable_loader(&account_data).unwrap(),
BpfUpgradeableLoaderAccountType::Buffer(UiBuffer {
authority: None,
data: UiAccountData::Binary(base64::encode(&program), UiAccountEncoding::Base64),
})
);
let programdata_address = Pubkey::new_unique();
let bpf_loader_state = UpgradeableLoaderState::Program {
programdata_address,
};
let account_data = serialize(&bpf_loader_state).unwrap();
assert_eq!(
parse_bpf_upgradeable_loader(&account_data).unwrap(),
BpfUpgradeableLoaderAccountType::Program(UiProgram {
program_data: programdata_address.to_string(),
})
);
let authority = Pubkey::new_unique();
let slot = 42;
let bpf_loader_state = UpgradeableLoaderState::ProgramData {
slot,
upgrade_authority_address: Some(authority),
};
let mut account_data = serialize(&bpf_loader_state).unwrap();
account_data.extend_from_slice(&program);
assert_eq!(
parse_bpf_upgradeable_loader(&account_data).unwrap(),
BpfUpgradeableLoaderAccountType::ProgramData(UiProgramData {
slot,
authority: Some(authority.to_string()),
data: UiAccountData::Binary(base64::encode(&program), UiAccountEncoding::Base64),
})
);
let bpf_loader_state = UpgradeableLoaderState::ProgramData {
slot,
upgrade_authority_address: None,
};
let mut account_data = serialize(&bpf_loader_state).unwrap();
account_data.extend_from_slice(&program);
assert_eq!(
parse_bpf_upgradeable_loader(&account_data).unwrap(),
BpfUpgradeableLoaderAccountType::ProgramData(UiProgramData {
slot,
authority: None,
data: UiAccountData::Binary(base64::encode(&program), UiAccountEncoding::Base64),
})
);
}
}