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Detect binary changes in serialized contract userdata

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This commit is contained in:
Michael Vines
2018-09-17 21:09:11 -07:00
parent 339a570b26
commit 83ae5bcee2
3 changed files with 193 additions and 3 deletions
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64
src/system_contract.rs
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@@ -82,7 +82,7 @@ impl SystemContract {
mod test {
use bank::Account;
use hash::Hash;
use signature::{Keypair, KeypairUtil};
use signature::{Keypair, KeypairUtil, Pubkey};
use system_contract::SystemContract;
use transaction::Transaction;
#[test]
@@ -187,4 +187,66 @@ mod test {
assert_eq!(accounts[0].tokens, 0);
assert_eq!(accounts[1].tokens, 1);
}
/// Detect binary changes in the serialized contract userdata, which could have a downstream
/// affect on SDKs and DApps
#[test]
fn test_sdk_serialize() {
let keypair = Keypair::new();
use budget_contract::BUDGET_CONTRACT_ID;
// CreateAccount
let tx = Transaction::system_create(
&keypair,
keypair.pubkey(),
Hash::default(),
111,
222,
Some(Pubkey::new(&BUDGET_CONTRACT_ID)),
0,
);
assert_eq!(
tx.userdata,
vec![
0, 0, 0, 0, 111, 0, 0, 0, 0, 0, 0, 0, 222, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
]
);
// CreateAccount
let tx = Transaction::system_create(
&keypair,
keypair.pubkey(),
Hash::default(),
111,
222,
None,
0,
);
assert_eq!(
tx.userdata,
vec![0, 0, 0, 0, 111, 0, 0, 0, 0, 0, 0, 0, 222, 0, 0, 0, 0, 0, 0, 0, 0]
);
// Assign
let tx = Transaction::system_assign(
&keypair,
Hash::default(),
Pubkey::new(&BUDGET_CONTRACT_ID),
0,
);
assert_eq!(
tx.userdata,
vec![
1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0
]
);
// Move
let tx = Transaction::system_move(&keypair, keypair.pubkey(), 123, Hash::default(), 0);
assert_eq!(tx.userdata, vec![2, 0, 0, 0, 123, 0, 0, 0, 0, 0, 0, 0]);
}
}