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
use crate::{
account_address::AccountAddress,
identifier::{IdentStr, Identifier},
};
#[cfg(any(test, feature = "fuzzing"))]
use proptest_derive::Arbitrary;
use serde::{Deserialize, Serialize};
use std::fmt::{Display, Formatter};
pub const CODE_TAG: u8 = 0;
pub const RESOURCE_TAG: u8 = 1;
pub const CORE_CODE_ADDRESS: AccountAddress = AccountAddress::new([
0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 1u8,
]);
#[derive(Serialize, Deserialize, Debug, PartialEq, Hash, Eq, Clone, PartialOrd, Ord)]
pub enum TypeTag {
Bool,
U8,
U64,
U128,
Address,
Signer,
Vector(Box<TypeTag>),
Struct(StructTag),
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Hash, Eq, Clone, PartialOrd, Ord)]
pub struct StructTag {
pub address: AccountAddress,
pub module: Identifier,
pub name: Identifier,
pub type_params: Vec<TypeTag>,
}
impl StructTag {
pub fn access_vector(&self) -> Vec<u8> {
let mut key = vec![RESOURCE_TAG];
key.append(&mut bcs::to_bytes(self).unwrap());
key
}
pub fn module_id(&self) -> ModuleId {
ModuleId::new(self.address, self.module.to_owned())
}
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Hash, Eq, Clone, PartialOrd, Ord)]
pub struct ResourceKey {
pub address: AccountAddress,
pub type_: StructTag,
}
impl ResourceKey {
pub fn address(&self) -> AccountAddress {
self.address
}
pub fn type_(&self) -> &StructTag {
&self.type_
}
}
impl ResourceKey {
pub fn new(address: AccountAddress, type_: StructTag) -> Self {
ResourceKey { address, type_ }
}
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Hash, Eq, Clone, PartialOrd, Ord)]
#[cfg_attr(any(test, feature = "fuzzing"), derive(Arbitrary))]
#[cfg_attr(any(test, feature = "fuzzing"), proptest(no_params))]
pub struct ModuleId {
address: AccountAddress,
name: Identifier,
}
impl From<ModuleId> for (AccountAddress, Identifier) {
fn from(module_id: ModuleId) -> Self {
(module_id.address, module_id.name)
}
}
impl ModuleId {
pub fn new(address: AccountAddress, name: Identifier) -> Self {
ModuleId { address, name }
}
pub fn name(&self) -> &IdentStr {
&self.name
}
pub fn address(&self) -> &AccountAddress {
&self.address
}
pub fn access_vector(&self) -> Vec<u8> {
let mut key = vec![CODE_TAG];
key.append(&mut bcs::to_bytes(self).unwrap());
key
}
}
impl Display for ModuleId {
fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
write!(f, "{}::{}", self.address, self.name)
}
}
impl Display for StructTag {
fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
write!(
f,
"0x{}::{}::{}",
self.address.short_str_lossless(),
self.module,
self.name
)?;
if let Some(first_ty) = self.type_params.first() {
write!(f, "<")?;
write!(f, "{}", first_ty)?;
for ty in self.type_params.iter().skip(1) {
write!(f, ", {}", ty)?;
}
write!(f, ">")?;
}
Ok(())
}
}
impl Display for TypeTag {
fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
match self {
TypeTag::Struct(s) => write!(f, "{}", s),
TypeTag::Vector(ty) => write!(f, "Vector<{}>", ty),
TypeTag::U8 => write!(f, "U8"),
TypeTag::U64 => write!(f, "U64"),
TypeTag::U128 => write!(f, "U128"),
TypeTag::Address => write!(f, "Address"),
TypeTag::Signer => write!(f, "Signer"),
TypeTag::Bool => write!(f, "Bool"),
}
}
}
impl Display for ResourceKey {
fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
write!(f, "0x{}/{}", self.address.short_str_lossless(), self.type_)
}
}
impl From<StructTag> for TypeTag {
fn from(t: StructTag) -> TypeTag {
TypeTag::Struct(t)
}
}