1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
use crate::{
account_universe::{AUTransactionGen, AccountUniverse},
common_transactions::{empty_txn, EMPTY_SCRIPT},
gas_costs,
};
use diem_crypto::{
ed25519::{Ed25519PrivateKey, Ed25519PublicKey},
test_utils::KeyPair,
};
use diem_proptest_helpers::Index;
use diem_types::{
account_config::XUS_NAME,
transaction::{Script, SignedTransaction, TransactionStatus},
vm_status::StatusCode,
};
use move_core_types::gas_schedule::{AbstractMemorySize, GasAlgebra, GasCarrier, GasConstants};
use move_vm_types::gas_schedule::calculate_intrinsic_gas;
use proptest::prelude::*;
use proptest_derive::Arbitrary;
use std::sync::Arc;
#[derive(Arbitrary, Clone, Debug)]
#[proptest(params = "(u64, u64)")]
pub struct SequenceNumberMismatchGen {
sender: Index,
#[proptest(strategy = "params.0 ..= params.1")]
seq: u64,
}
impl AUTransactionGen for SequenceNumberMismatchGen {
fn apply(
&self,
universe: &mut AccountUniverse,
) -> (SignedTransaction, (TransactionStatus, u64)) {
let sender = universe.pick(self.sender).1;
let seq = if sender.sequence_number == self.seq {
self.seq + 1
} else {
self.seq
};
let txn = empty_txn(
sender.account(),
seq,
gas_costs::TXN_RESERVED,
0,
XUS_NAME.to_string(),
);
(
txn,
(
if seq >= sender.sequence_number {
TransactionStatus::Discard(StatusCode::SEQUENCE_NUMBER_TOO_NEW)
} else {
TransactionStatus::Discard(StatusCode::SEQUENCE_NUMBER_TOO_OLD)
},
0,
),
)
}
}
#[derive(Arbitrary, Clone, Debug)]
#[proptest(params = "(u64, u64)")]
pub struct InsufficientBalanceGen {
sender: Index,
#[proptest(strategy = "params.0 ..= params.1")]
gas_unit_price: u64,
}
impl AUTransactionGen for InsufficientBalanceGen {
fn apply(
&self,
universe: &mut AccountUniverse,
) -> (SignedTransaction, (TransactionStatus, u64)) {
let sender = universe.pick(self.sender).1;
let max_gas_unit = (sender.balance / self.gas_unit_price) + 1;
let txn = empty_txn(
sender.account(),
sender.sequence_number,
max_gas_unit,
self.gas_unit_price,
XUS_NAME.to_string(),
);
let default_constants = GasConstants::default();
let raw_bytes_len = AbstractMemorySize::new(txn.raw_txn_bytes_len() as GasCarrier);
let min_cost = GasConstants::default()
.to_external_units(calculate_intrinsic_gas(
raw_bytes_len,
&GasConstants::default(),
))
.get();
(
txn,
(
if max_gas_unit > default_constants.maximum_number_of_gas_units.get() {
TransactionStatus::Discard(
StatusCode::MAX_GAS_UNITS_EXCEEDS_MAX_GAS_UNITS_BOUND,
)
} else if max_gas_unit < min_cost {
TransactionStatus::Discard(
StatusCode::MAX_GAS_UNITS_BELOW_MIN_TRANSACTION_GAS_UNITS,
)
} else if self.gas_unit_price > default_constants.max_price_per_gas_unit.get() {
TransactionStatus::Discard(StatusCode::GAS_UNIT_PRICE_ABOVE_MAX_BOUND)
} else if self.gas_unit_price < default_constants.min_price_per_gas_unit.get() {
TransactionStatus::Discard(StatusCode::GAS_UNIT_PRICE_BELOW_MIN_BOUND)
} else {
TransactionStatus::Discard(StatusCode::INSUFFICIENT_BALANCE_FOR_TRANSACTION_FEE)
},
0,
),
)
}
}
#[derive(Arbitrary, Clone, Debug)]
#[proptest(no_params)]
pub struct InvalidAuthkeyGen {
sender: Index,
#[proptest(
strategy = "diem_crypto::test_utils::uniform_keypair_strategy_with_perturbation(1)"
)]
new_keypair: KeyPair<Ed25519PrivateKey, Ed25519PublicKey>,
}
impl AUTransactionGen for InvalidAuthkeyGen {
fn apply(
&self,
universe: &mut AccountUniverse,
) -> (SignedTransaction, (TransactionStatus, u64)) {
let sender = universe.pick(self.sender).1;
let txn = sender
.account()
.transaction()
.script(Script::new(EMPTY_SCRIPT.clone(), vec![], vec![]))
.sequence_number(sender.sequence_number)
.raw()
.sign(
&self.new_keypair.private_key,
self.new_keypair.public_key.clone(),
)
.unwrap()
.into_inner();
(
txn,
(TransactionStatus::Discard(StatusCode::INVALID_AUTH_KEY), 0),
)
}
}
pub fn bad_txn_strategy() -> impl Strategy<Value = Arc<dyn AUTransactionGen + 'static>> {
prop_oneof![
1 => any_with::<SequenceNumberMismatchGen>((0, 10_000)).prop_map(SequenceNumberMismatchGen::arced),
1 => any_with::<InvalidAuthkeyGen>(()).prop_map(InvalidAuthkeyGen::arced),
1 => any_with::<InsufficientBalanceGen>((1, 20_000)).prop_map(InsufficientBalanceGen::arced),
]
}