2018-09-19 17:25:57 -07:00
|
|
|
//! budget program
|
2019-03-03 13:17:51 -08:00
|
|
|
use bincode::deserialize;
|
2018-09-17 13:36:31 -07:00
|
|
|
use chrono::prelude::{DateTime, Utc};
|
2018-12-14 20:39:10 -08:00
|
|
|
use log::*;
|
2019-03-03 13:17:51 -08:00
|
|
|
use solana_budget_api::budget_instruction::BudgetInstruction;
|
2019-03-03 14:43:51 -08:00
|
|
|
use solana_budget_api::budget_state::{BudgetError, BudgetState};
|
2019-03-02 13:23:22 -08:00
|
|
|
use solana_budget_api::payment_plan::Witness;
|
2018-12-04 14:38:19 -08:00
|
|
|
use solana_sdk::account::KeyedAccount;
|
2019-03-07 12:34:13 -08:00
|
|
|
use solana_sdk::pubkey::Pubkey;
|
2019-03-03 13:17:51 -08:00
|
|
|
|
|
|
|
/// Process a Witness Signature. Any payment plans waiting on this signature
|
|
|
|
/// will progress one step.
|
|
|
|
fn apply_signature(
|
|
|
|
budget_state: &mut BudgetState,
|
|
|
|
keyed_accounts: &mut [KeyedAccount],
|
|
|
|
) -> Result<(), BudgetError> {
|
|
|
|
let mut final_payment = None;
|
|
|
|
if let Some(ref mut expr) = budget_state.pending_budget {
|
|
|
|
let key = match keyed_accounts[0].signer_key() {
|
|
|
|
None => return Err(BudgetError::UnsignedKey),
|
|
|
|
Some(key) => key,
|
|
|
|
};
|
|
|
|
expr.apply_witness(&Witness::Signature, key);
|
|
|
|
final_payment = expr.final_payment();
|
|
|
|
}
|
|
|
|
|
|
|
|
if let Some(payment) = final_payment {
|
|
|
|
if let Some(key) = keyed_accounts[0].signer_key() {
|
|
|
|
if &payment.to == key {
|
|
|
|
budget_state.pending_budget = None;
|
2019-03-05 17:27:25 -08:00
|
|
|
keyed_accounts[1].account.lamports -= payment.lamports;
|
|
|
|
keyed_accounts[0].account.lamports += payment.lamports;
|
2019-03-03 13:17:51 -08:00
|
|
|
return Ok(());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if &payment.to != keyed_accounts[2].unsigned_key() {
|
|
|
|
trace!("destination missing");
|
|
|
|
return Err(BudgetError::DestinationMissing);
|
|
|
|
}
|
|
|
|
budget_state.pending_budget = None;
|
2019-03-05 17:27:25 -08:00
|
|
|
keyed_accounts[1].account.lamports -= payment.lamports;
|
|
|
|
keyed_accounts[2].account.lamports += payment.lamports;
|
2019-03-03 13:17:51 -08:00
|
|
|
}
|
|
|
|
Ok(())
|
2018-09-17 13:36:31 -07:00
|
|
|
}
|
|
|
|
|
2019-03-03 13:17:51 -08:00
|
|
|
/// Process a Witness Timestamp. Any payment plans waiting on this timestamp
|
|
|
|
/// will progress one step.
|
|
|
|
fn apply_timestamp(
|
|
|
|
budget_state: &mut BudgetState,
|
|
|
|
keyed_accounts: &mut [KeyedAccount],
|
|
|
|
dt: DateTime<Utc>,
|
|
|
|
) -> Result<(), BudgetError> {
|
|
|
|
// Check to see if any timelocked transactions can be completed.
|
|
|
|
let mut final_payment = None;
|
|
|
|
|
|
|
|
if let Some(ref mut expr) = budget_state.pending_budget {
|
|
|
|
let key = match keyed_accounts[0].signer_key() {
|
|
|
|
None => return Err(BudgetError::UnsignedKey),
|
|
|
|
Some(key) => key,
|
|
|
|
};
|
|
|
|
expr.apply_witness(&Witness::Timestamp(dt), key);
|
|
|
|
final_payment = expr.final_payment();
|
|
|
|
}
|
|
|
|
|
|
|
|
if let Some(payment) = final_payment {
|
|
|
|
if &payment.to != keyed_accounts[2].unsigned_key() {
|
|
|
|
trace!("destination missing");
|
|
|
|
return Err(BudgetError::DestinationMissing);
|
|
|
|
}
|
|
|
|
budget_state.pending_budget = None;
|
2019-03-05 17:27:25 -08:00
|
|
|
keyed_accounts[1].account.lamports -= payment.lamports;
|
|
|
|
keyed_accounts[2].account.lamports += payment.lamports;
|
2019-03-03 13:17:51 -08:00
|
|
|
}
|
|
|
|
Ok(())
|
2018-09-17 13:36:31 -07:00
|
|
|
}
|
|
|
|
|
2018-11-23 12:45:34 -08:00
|
|
|
fn apply_debits(
|
2018-12-04 14:38:19 -08:00
|
|
|
keyed_accounts: &mut [KeyedAccount],
|
2019-03-03 13:17:51 -08:00
|
|
|
instruction: &BudgetInstruction,
|
2018-11-23 12:45:34 -08:00
|
|
|
) -> Result<(), BudgetError> {
|
|
|
|
match instruction {
|
2019-03-03 13:17:51 -08:00
|
|
|
BudgetInstruction::InitializeAccount(expr) => {
|
2018-11-23 12:45:34 -08:00
|
|
|
let expr = expr.clone();
|
|
|
|
if let Some(payment) = expr.final_payment() {
|
2019-03-05 16:28:14 -08:00
|
|
|
keyed_accounts[1].account.lamports = 0;
|
2019-03-05 17:27:25 -08:00
|
|
|
keyed_accounts[0].account.lamports += payment.lamports;
|
2018-11-23 12:45:34 -08:00
|
|
|
Ok(())
|
|
|
|
} else {
|
2019-03-06 21:12:14 -08:00
|
|
|
let existing = BudgetState::deserialize(&keyed_accounts[0].account.userdata).ok();
|
2018-11-23 12:45:34 -08:00
|
|
|
if Some(true) == existing.map(|x| x.initialized) {
|
|
|
|
trace!("contract already exists");
|
|
|
|
Err(BudgetError::ContractAlreadyExists)
|
|
|
|
} else {
|
2019-03-03 13:17:51 -08:00
|
|
|
let mut budget_state = BudgetState::default();
|
|
|
|
budget_state.pending_budget = Some(expr);
|
|
|
|
budget_state.initialized = true;
|
2019-03-06 21:12:14 -08:00
|
|
|
budget_state.serialize(&mut keyed_accounts[0].account.userdata)
|
2018-11-23 12:45:34 -08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2019-03-03 13:17:51 -08:00
|
|
|
BudgetInstruction::ApplyTimestamp(dt) => {
|
|
|
|
if let Ok(mut budget_state) =
|
|
|
|
BudgetState::deserialize(&keyed_accounts[1].account.userdata)
|
2018-12-04 14:38:19 -08:00
|
|
|
{
|
2019-03-03 13:17:51 -08:00
|
|
|
if !budget_state.is_pending() {
|
2018-11-23 12:45:34 -08:00
|
|
|
Err(BudgetError::ContractNotPending)
|
2019-03-03 13:17:51 -08:00
|
|
|
} else if !budget_state.initialized {
|
2018-11-23 12:45:34 -08:00
|
|
|
trace!("contract is uninitialized");
|
|
|
|
Err(BudgetError::UninitializedContract)
|
|
|
|
} else {
|
|
|
|
trace!("apply timestamp");
|
2019-03-03 13:17:51 -08:00
|
|
|
apply_timestamp(&mut budget_state, keyed_accounts, *dt)?;
|
2018-11-23 12:45:34 -08:00
|
|
|
trace!("apply timestamp committed");
|
2019-03-03 13:17:51 -08:00
|
|
|
budget_state.serialize(&mut keyed_accounts[1].account.userdata)
|
2018-11-23 12:45:34 -08:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
Err(BudgetError::UninitializedContract)
|
|
|
|
}
|
|
|
|
}
|
2019-03-03 13:17:51 -08:00
|
|
|
BudgetInstruction::ApplySignature => {
|
|
|
|
if let Ok(mut budget_state) =
|
|
|
|
BudgetState::deserialize(&keyed_accounts[1].account.userdata)
|
2018-12-04 14:38:19 -08:00
|
|
|
{
|
2019-03-03 13:17:51 -08:00
|
|
|
if !budget_state.is_pending() {
|
2018-11-23 12:45:34 -08:00
|
|
|
Err(BudgetError::ContractNotPending)
|
2019-03-03 13:17:51 -08:00
|
|
|
} else if !budget_state.initialized {
|
2018-11-23 12:45:34 -08:00
|
|
|
trace!("contract is uninitialized");
|
|
|
|
Err(BudgetError::UninitializedContract)
|
|
|
|
} else {
|
|
|
|
trace!("apply signature");
|
2019-03-03 13:17:51 -08:00
|
|
|
apply_signature(&mut budget_state, keyed_accounts)?;
|
2018-11-23 12:45:34 -08:00
|
|
|
trace!("apply signature committed");
|
2019-03-03 13:17:51 -08:00
|
|
|
budget_state.serialize(&mut keyed_accounts[1].account.userdata)
|
2018-11-23 12:45:34 -08:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
Err(BudgetError::UninitializedContract)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-11-23 14:14:13 -08:00
|
|
|
pub fn process_instruction(
|
2019-03-07 12:34:13 -08:00
|
|
|
_program_id: &Pubkey,
|
2018-12-04 14:38:19 -08:00
|
|
|
keyed_accounts: &mut [KeyedAccount],
|
|
|
|
data: &[u8],
|
2018-11-23 12:45:34 -08:00
|
|
|
) -> Result<(), BudgetError> {
|
2019-03-07 12:34:13 -08:00
|
|
|
let instruction = deserialize(data).map_err(|err| {
|
|
|
|
info!("Invalid transaction userdata: {:?} {:?}", data, err);
|
|
|
|
BudgetError::UserdataDeserializeFailure
|
|
|
|
})?;
|
|
|
|
|
|
|
|
trace!("process_instruction: {:?}", instruction);
|
|
|
|
apply_debits(keyed_accounts, &instruction)
|
2018-11-23 12:45:34 -08:00
|
|
|
}
|
|
|
|
|
2018-09-17 13:36:31 -07:00
|
|
|
#[cfg(test)]
|
|
|
|
mod test {
|
2018-11-23 12:45:34 -08:00
|
|
|
use super::*;
|
2019-03-02 13:23:22 -08:00
|
|
|
use solana_budget_api::budget_transaction::BudgetTransaction;
|
|
|
|
use solana_budget_api::id;
|
2019-03-07 09:15:03 -08:00
|
|
|
use solana_runtime::runtime;
|
2018-10-25 11:13:08 -07:00
|
|
|
use solana_sdk::account::Account;
|
2018-11-16 08:04:46 -08:00
|
|
|
use solana_sdk::hash::Hash;
|
2018-12-03 10:26:28 -08:00
|
|
|
use solana_sdk::signature::{Keypair, KeypairUtil};
|
2019-03-07 12:34:13 -08:00
|
|
|
use solana_sdk::system_program;
|
2019-03-07 09:15:03 -08:00
|
|
|
use solana_sdk::transaction::Transaction;
|
2018-09-26 09:33:52 -07:00
|
|
|
|
2018-12-04 14:38:19 -08:00
|
|
|
fn process_transaction(
|
|
|
|
tx: &Transaction,
|
2019-03-07 12:42:01 -08:00
|
|
|
tx_accounts: &mut Vec<Account>,
|
2018-12-04 14:38:19 -08:00
|
|
|
) -> Result<(), BudgetError> {
|
2019-03-07 09:35:28 -08:00
|
|
|
runtime::process_transaction(tx, tx_accounts, process_instruction)
|
2018-09-28 16:16:35 -07:00
|
|
|
}
|
2019-03-07 09:35:28 -08:00
|
|
|
|
2018-09-17 13:36:31 -07:00
|
|
|
#[test]
|
2018-09-20 13:54:42 -07:00
|
|
|
fn test_invalid_instruction() {
|
2018-11-23 12:45:34 -08:00
|
|
|
let mut accounts = vec![Account::new(1, 0, id()), Account::new(0, 512, id())];
|
2018-09-20 13:54:42 -07:00
|
|
|
let from = Keypair::new();
|
|
|
|
let contract = Keypair::new();
|
2018-11-06 05:50:00 -08:00
|
|
|
let userdata = (1u8, 2u8, 3u8);
|
2018-09-26 08:54:04 -07:00
|
|
|
let tx = Transaction::new(
|
2018-09-20 13:54:42 -07:00
|
|
|
&from,
|
|
|
|
&[contract.pubkey()],
|
2018-11-23 12:45:34 -08:00
|
|
|
id(),
|
2018-11-06 05:50:00 -08:00
|
|
|
&userdata,
|
2018-09-20 13:54:42 -07:00
|
|
|
Hash::default(),
|
|
|
|
0,
|
|
|
|
);
|
2018-09-28 16:16:35 -07:00
|
|
|
assert!(process_transaction(&tx, &mut accounts).is_err());
|
2018-09-20 13:54:42 -07:00
|
|
|
}
|
2018-09-20 09:38:37 -07:00
|
|
|
|
2018-10-18 20:10:33 -07:00
|
|
|
#[test]
|
|
|
|
fn test_unsigned_witness_key() {
|
2019-03-07 12:42:01 -08:00
|
|
|
let mut accounts = vec![Account::new(1, 0, system_program::id())];
|
2018-10-18 20:10:33 -07:00
|
|
|
|
2019-03-03 13:17:51 -08:00
|
|
|
// Initialize BudgetState
|
2018-10-18 20:10:33 -07:00
|
|
|
let from = Keypair::new();
|
|
|
|
let contract = Keypair::new().pubkey();
|
|
|
|
let to = Keypair::new().pubkey();
|
|
|
|
let witness = Keypair::new().pubkey();
|
2019-02-01 07:36:35 -08:00
|
|
|
let tx = BudgetTransaction::new_when_signed(
|
2018-10-18 20:10:33 -07:00
|
|
|
&from,
|
|
|
|
to,
|
|
|
|
contract,
|
|
|
|
witness,
|
|
|
|
None,
|
|
|
|
1,
|
|
|
|
Hash::default(),
|
|
|
|
);
|
|
|
|
process_transaction(&tx, &mut accounts).unwrap();
|
|
|
|
|
|
|
|
// Attack! Part 1: Sign a witness transaction with a random key.
|
|
|
|
let rando = Keypair::new();
|
2019-02-01 07:36:35 -08:00
|
|
|
let mut tx = BudgetTransaction::new_signature(&rando, contract, to, Hash::default());
|
2018-10-18 20:10:33 -07:00
|
|
|
|
|
|
|
// Attack! Part 2: Point the instruction to the expected, but unsigned, key.
|
|
|
|
tx.account_keys.push(from.pubkey());
|
|
|
|
tx.instructions[0].accounts[0] = 3;
|
|
|
|
|
|
|
|
// Ensure the transaction fails because of the unsigned key.
|
|
|
|
assert_eq!(
|
|
|
|
process_transaction(&tx, &mut accounts),
|
|
|
|
Err(BudgetError::UnsignedKey)
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn test_unsigned_timestamp() {
|
2019-03-07 12:42:01 -08:00
|
|
|
let mut accounts = vec![Account::new(1, 0, system_program::id())];
|
2018-10-18 20:10:33 -07:00
|
|
|
|
2019-03-03 13:17:51 -08:00
|
|
|
// Initialize BudgetState
|
2018-10-18 20:10:33 -07:00
|
|
|
let from = Keypair::new();
|
|
|
|
let contract = Keypair::new().pubkey();
|
|
|
|
let to = Keypair::new().pubkey();
|
|
|
|
let dt = Utc::now();
|
2019-02-01 07:36:35 -08:00
|
|
|
let tx = BudgetTransaction::new_on_date(
|
2018-10-18 20:10:33 -07:00
|
|
|
&from,
|
|
|
|
to,
|
|
|
|
contract,
|
|
|
|
dt,
|
|
|
|
from.pubkey(),
|
|
|
|
None,
|
|
|
|
1,
|
|
|
|
Hash::default(),
|
|
|
|
);
|
|
|
|
process_transaction(&tx, &mut accounts).unwrap();
|
|
|
|
|
|
|
|
// Attack! Part 1: Sign a timestamp transaction with a random key.
|
|
|
|
let rando = Keypair::new();
|
2019-02-01 07:36:35 -08:00
|
|
|
let mut tx = BudgetTransaction::new_timestamp(&rando, contract, to, dt, Hash::default());
|
2018-10-18 20:10:33 -07:00
|
|
|
|
|
|
|
// Attack! Part 2: Point the instruction to the expected, but unsigned, key.
|
|
|
|
tx.account_keys.push(from.pubkey());
|
|
|
|
tx.instructions[0].accounts[0] = 3;
|
|
|
|
|
|
|
|
// Ensure the transaction fails because of the unsigned key.
|
|
|
|
assert_eq!(
|
|
|
|
process_transaction(&tx, &mut accounts),
|
|
|
|
Err(BudgetError::UnsignedKey)
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
2018-09-17 13:36:31 -07:00
|
|
|
#[test]
|
|
|
|
fn test_transfer_on_date() {
|
2019-03-07 12:42:01 -08:00
|
|
|
let mut accounts = vec![Account::new(1, 0, system_program::id())];
|
2018-09-17 13:36:31 -07:00
|
|
|
let from_account = 0;
|
|
|
|
let contract_account = 1;
|
|
|
|
let to_account = 2;
|
|
|
|
let from = Keypair::new();
|
|
|
|
let contract = Keypair::new();
|
|
|
|
let to = Keypair::new();
|
|
|
|
let rando = Keypair::new();
|
|
|
|
let dt = Utc::now();
|
2019-02-01 07:36:35 -08:00
|
|
|
let tx = BudgetTransaction::new_on_date(
|
2018-09-17 13:36:31 -07:00
|
|
|
&from,
|
|
|
|
to.pubkey(),
|
|
|
|
contract.pubkey(),
|
|
|
|
dt,
|
2018-09-19 16:44:03 -07:00
|
|
|
from.pubkey(),
|
2018-09-22 16:51:21 -07:00
|
|
|
None,
|
2018-09-17 13:36:31 -07:00
|
|
|
1,
|
|
|
|
Hash::default(),
|
|
|
|
);
|
2018-09-28 16:16:35 -07:00
|
|
|
process_transaction(&tx, &mut accounts).unwrap();
|
2019-03-05 16:28:14 -08:00
|
|
|
assert_eq!(accounts[from_account].lamports, 0);
|
|
|
|
assert_eq!(accounts[contract_account].lamports, 1);
|
2019-03-03 13:17:51 -08:00
|
|
|
let budget_state = BudgetState::deserialize(&accounts[contract_account].userdata).unwrap();
|
|
|
|
assert!(budget_state.is_pending());
|
2018-09-17 13:36:31 -07:00
|
|
|
|
|
|
|
// Attack! Try to payout to a rando key
|
2019-02-01 07:36:35 -08:00
|
|
|
let tx = BudgetTransaction::new_timestamp(
|
2018-09-17 13:36:31 -07:00
|
|
|
&from,
|
|
|
|
contract.pubkey(),
|
|
|
|
rando.pubkey(),
|
|
|
|
dt,
|
|
|
|
Hash::default(),
|
|
|
|
);
|
2018-09-24 16:00:55 -07:00
|
|
|
assert_eq!(
|
2018-09-28 16:16:35 -07:00
|
|
|
process_transaction(&tx, &mut accounts),
|
|
|
|
Err(BudgetError::DestinationMissing)
|
2018-09-24 16:00:55 -07:00
|
|
|
);
|
2019-03-05 16:28:14 -08:00
|
|
|
assert_eq!(accounts[from_account].lamports, 0);
|
|
|
|
assert_eq!(accounts[contract_account].lamports, 1);
|
|
|
|
assert_eq!(accounts[to_account].lamports, 0);
|
2018-09-17 13:36:31 -07:00
|
|
|
|
2019-03-03 13:17:51 -08:00
|
|
|
let budget_state = BudgetState::deserialize(&accounts[contract_account].userdata).unwrap();
|
|
|
|
assert!(budget_state.is_pending());
|
2018-09-17 13:36:31 -07:00
|
|
|
|
|
|
|
// Now, acknowledge the time in the condition occurred and
|
|
|
|
// that pubkey's funds are now available.
|
2019-02-01 07:36:35 -08:00
|
|
|
let tx = BudgetTransaction::new_timestamp(
|
2018-09-17 13:36:31 -07:00
|
|
|
&from,
|
|
|
|
contract.pubkey(),
|
|
|
|
to.pubkey(),
|
|
|
|
dt,
|
|
|
|
Hash::default(),
|
|
|
|
);
|
2018-09-28 16:16:35 -07:00
|
|
|
process_transaction(&tx, &mut accounts).unwrap();
|
2019-03-05 16:28:14 -08:00
|
|
|
assert_eq!(accounts[from_account].lamports, 0);
|
|
|
|
assert_eq!(accounts[contract_account].lamports, 0);
|
|
|
|
assert_eq!(accounts[to_account].lamports, 1);
|
2018-09-17 13:36:31 -07:00
|
|
|
|
2019-03-03 13:17:51 -08:00
|
|
|
let budget_state = BudgetState::deserialize(&accounts[contract_account].userdata).unwrap();
|
|
|
|
assert!(!budget_state.is_pending());
|
2018-09-17 13:36:31 -07:00
|
|
|
|
|
|
|
// try to replay the timestamp contract
|
2018-09-24 16:00:55 -07:00
|
|
|
assert_eq!(
|
2018-09-28 16:16:35 -07:00
|
|
|
process_transaction(&tx, &mut accounts),
|
|
|
|
Err(BudgetError::ContractNotPending)
|
2018-09-24 16:00:55 -07:00
|
|
|
);
|
2019-03-05 16:28:14 -08:00
|
|
|
assert_eq!(accounts[from_account].lamports, 0);
|
|
|
|
assert_eq!(accounts[contract_account].lamports, 0);
|
|
|
|
assert_eq!(accounts[to_account].lamports, 1);
|
2018-09-17 13:36:31 -07:00
|
|
|
}
|
|
|
|
#[test]
|
|
|
|
fn test_cancel_transfer() {
|
2019-03-07 12:42:01 -08:00
|
|
|
let mut accounts = vec![Account::new(1, 0, system_program::id())];
|
2018-09-17 13:36:31 -07:00
|
|
|
let from_account = 0;
|
|
|
|
let contract_account = 1;
|
|
|
|
let pay_account = 2;
|
|
|
|
let from = Keypair::new();
|
|
|
|
let contract = Keypair::new();
|
|
|
|
let to = Keypair::new();
|
|
|
|
let dt = Utc::now();
|
2019-02-01 07:36:35 -08:00
|
|
|
let tx = BudgetTransaction::new_on_date(
|
2018-09-17 13:36:31 -07:00
|
|
|
&from,
|
|
|
|
to.pubkey(),
|
|
|
|
contract.pubkey(),
|
|
|
|
dt,
|
2018-09-19 16:44:03 -07:00
|
|
|
from.pubkey(),
|
2018-09-22 16:51:21 -07:00
|
|
|
Some(from.pubkey()),
|
2018-09-17 13:36:31 -07:00
|
|
|
1,
|
|
|
|
Hash::default(),
|
|
|
|
);
|
2018-09-28 16:16:35 -07:00
|
|
|
process_transaction(&tx, &mut accounts).unwrap();
|
2019-03-05 16:28:14 -08:00
|
|
|
assert_eq!(accounts[from_account].lamports, 0);
|
|
|
|
assert_eq!(accounts[contract_account].lamports, 1);
|
2019-03-03 13:17:51 -08:00
|
|
|
let budget_state = BudgetState::deserialize(&accounts[contract_account].userdata).unwrap();
|
|
|
|
assert!(budget_state.is_pending());
|
2018-09-17 13:36:31 -07:00
|
|
|
|
2019-03-05 16:28:14 -08:00
|
|
|
// Attack! try to put the lamports into the wrong account with cancel
|
2018-09-18 18:45:44 -07:00
|
|
|
let tx =
|
2019-02-01 07:36:35 -08:00
|
|
|
BudgetTransaction::new_signature(&to, contract.pubkey(), to.pubkey(), Hash::default());
|
2018-09-17 13:36:31 -07:00
|
|
|
// unit test hack, the `from account` is passed instead of the `to` account to avoid
|
|
|
|
// creating more account vectors
|
2018-09-28 16:16:35 -07:00
|
|
|
process_transaction(&tx, &mut accounts).unwrap();
|
2018-09-17 13:36:31 -07:00
|
|
|
// nothing should be changed because apply witness didn't finalize a payment
|
2019-03-05 16:28:14 -08:00
|
|
|
assert_eq!(accounts[from_account].lamports, 0);
|
|
|
|
assert_eq!(accounts[contract_account].lamports, 1);
|
2019-03-07 12:42:01 -08:00
|
|
|
assert_eq!(accounts.get(pay_account), None);
|
2018-09-17 13:36:31 -07:00
|
|
|
|
|
|
|
// Now, cancel the transaction. from gets her funds back
|
2019-02-01 07:36:35 -08:00
|
|
|
let tx = BudgetTransaction::new_signature(
|
2018-09-17 13:36:31 -07:00
|
|
|
&from,
|
|
|
|
contract.pubkey(),
|
|
|
|
from.pubkey(),
|
|
|
|
Hash::default(),
|
|
|
|
);
|
2018-09-28 16:16:35 -07:00
|
|
|
process_transaction(&tx, &mut accounts).unwrap();
|
2019-03-05 16:28:14 -08:00
|
|
|
assert_eq!(accounts[from_account].lamports, 1);
|
|
|
|
assert_eq!(accounts[contract_account].lamports, 0);
|
2019-03-07 12:42:01 -08:00
|
|
|
assert_eq!(accounts.get(pay_account), None);
|
2018-09-17 13:36:31 -07:00
|
|
|
|
2019-02-07 11:14:10 -08:00
|
|
|
// try to replay the cancel contract
|
2019-02-01 07:36:35 -08:00
|
|
|
let tx = BudgetTransaction::new_signature(
|
2018-09-17 13:36:31 -07:00
|
|
|
&from,
|
|
|
|
contract.pubkey(),
|
|
|
|
from.pubkey(),
|
|
|
|
Hash::default(),
|
|
|
|
);
|
2018-09-24 16:00:55 -07:00
|
|
|
assert_eq!(
|
2018-09-28 16:16:35 -07:00
|
|
|
process_transaction(&tx, &mut accounts),
|
|
|
|
Err(BudgetError::ContractNotPending)
|
2018-09-24 16:00:55 -07:00
|
|
|
);
|
2019-03-05 16:28:14 -08:00
|
|
|
assert_eq!(accounts[from_account].lamports, 1);
|
|
|
|
assert_eq!(accounts[contract_account].lamports, 0);
|
2019-03-07 12:42:01 -08:00
|
|
|
assert_eq!(accounts.get(pay_account), None);
|
2018-09-17 13:36:31 -07:00
|
|
|
}
|
|
|
|
}
|