49 lines
1.4 KiB
Rust
49 lines
1.4 KiB
Rust
use crate::pubkey::Pubkey;
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use std::{cmp, fmt};
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/// AccountInfo
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pub struct AccountInfo<'a> {
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/// Public key of the account
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pub key: &'a Pubkey,
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/// Public key of the account
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pub is_signer: bool,
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/// Number of lamports owned by this account
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pub lamports: &'a mut u64,
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/// On-chain data within this account
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pub data: &'a mut [u8],
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/// Program that owns this account
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pub owner: &'a Pubkey,
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}
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impl<'a> fmt::Debug for AccountInfo<'a> {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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let data_len = cmp::min(64, self.data.len());
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let data_str = if data_len > 0 {
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format!(" data: {}", hex::encode(self.data[..data_len].to_vec()))
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} else {
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"".to_string()
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};
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write!(
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f,
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"AccountInfo {{ lamports: {} data.len: {} owner: {} {} }}",
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self.lamports,
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self.data.len(),
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self.owner,
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data_str,
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)
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}
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}
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impl<'a> AccountInfo<'a> {
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pub fn deserialize_data<T: serde::de::DeserializeOwned>(&self) -> Result<T, bincode::Error> {
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bincode::deserialize(&self.data)
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}
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pub fn serialize_data<T: serde::Serialize>(&mut self, state: &T) -> Result<(), bincode::Error> {
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if bincode::serialized_size(state)? > self.data.len() as u64 {
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return Err(Box::new(bincode::ErrorKind::SizeLimit));
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}
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bincode::serialize_into(&mut self.data[..], state)
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}
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}
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