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Skip deserialization of readonly accounts (#15813)

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This commit is contained in:
Jack May
2021-03-11 19:28:21 -08:00
committed by GitHub
parent 4bbeb9c033
commit cc38ae72e7
8 changed files with 245 additions and 81 deletions
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31
programs/bpf/rust/invoke/src/lib.rs
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@ -29,7 +29,6 @@ const TEST_INSTRUCTION_META_TOO_LARGE: u8 = 10;
const TEST_RETURN_ERROR: u8 = 11;
const TEST_PRIVILEGE_DEESCALATION_ESCALATION_SIGNER: u8 = 12;
const TEST_PRIVILEGE_DEESCALATION_ESCALATION_WRITABLE: u8 = 13;
const TEST_WRITE_DEESCALATION: u8 = 14;
// const MINT_INDEX: usize = 0;
const ARGUMENT_INDEX: usize = 1;
@ -354,6 +353,27 @@ fn process_instruction(
assert_eq!(data[i as usize], 42);
}
}
msg!("Test writable deescalation");
{
const NUM_BYTES: usize = 10;
let mut buffer = [0; NUM_BYTES];
buffer.copy_from_slice(
&accounts[INVOKED_ARGUMENT_INDEX].data.borrow_mut()[..NUM_BYTES],
);
let instruction = create_instruction(
*accounts[INVOKED_PROGRAM_INDEX].key,
&[(accounts[INVOKED_ARGUMENT_INDEX].key, false, false)],
vec![WRITE_ACCOUNT, NUM_BYTES as u8],
);
let _ = invoke(&instruction, accounts);
assert_eq!(
buffer,
accounts[INVOKED_ARGUMENT_INDEX].data.borrow_mut()[..NUM_BYTES]
);
}
}
TEST_PRIVILEGE_ESCALATION_SIGNER => {
msg!("Test privilege escalation signer");
@ -557,15 +577,6 @@ fn process_instruction(
);
invoke(&invoked_instruction, accounts)?;
}
TEST_WRITE_DEESCALATION => {
msg!("Test writable deescalation");
let instruction = create_instruction(
*accounts[INVOKED_PROGRAM_INDEX].key,
&[(accounts[INVOKED_ARGUMENT_INDEX].key, false, false)],
vec![WRITE_ACCOUNT, 10],
);
let _ = invoke(&instruction, accounts);
}
_ => panic!(),
}