multiversx_sc_scenario/facade/
contract_info.rs

1use std::ops::{Deref, DerefMut};
2
3use multiversx_sc::{
4    abi::TypeAbiFrom,
5    types::{AnnotatedValue, ManagedBuffer, TxEnv, TxFrom, TxFromSpecified, TxTo, TxToSpecified},
6};
7
8use crate::multiversx_sc::{
9    api::ManagedTypeApi,
10    codec::{EncodeErrorHandler, TopEncode, TopEncodeOutput},
11    contract_base::ProxyObjNew,
12    types::{Address, ManagedAddress},
13};
14
15use crate::scenario::model::{AddressKey, AddressValue};
16
17/// Bundles a representation of a contract with the contract proxy,
18/// so that it can be easily called in the context of a blockchain mock.
19pub struct ContractInfo<P: ProxyObjNew> {
20    pub scenario_address_expr: AddressKey,
21    proxy_inst: P::ProxyTo,
22}
23
24impl<P> ContractInfo<P>
25where
26    P: ProxyObjNew,
27{
28    pub fn new<A>(address_expr: A) -> Self
29    where
30        AddressKey: From<A>,
31    {
32        let mandos_address_expr = AddressKey::from(address_expr);
33        let proxy_inst = P::new_proxy_obj().contract(mandos_address_expr.value.clone().into());
34        ContractInfo {
35            scenario_address_expr: mandos_address_expr,
36            proxy_inst,
37        }
38    }
39
40    pub fn to_address(&self) -> Address {
41        self.scenario_address_expr.to_address()
42    }
43
44    /// For historical reasons the proxy consumes its address whenever it is called.
45    ///
46    /// When using it in tests, as part of `ContractInfo`,
47    /// it is convenient to refresh it before each call.
48    ///
49    /// It is sort of a hack, designed to optimize proxy use in contracts,
50    /// while making it easier to use in tests.
51    fn refresh_proxy_address(&mut self) {
52        self.proxy_inst =
53            P::new_proxy_obj().contract(self.scenario_address_expr.value.clone().into());
54    }
55}
56
57impl<P: ProxyObjNew> From<&ContractInfo<P>> for AddressKey {
58    fn from(from: &ContractInfo<P>) -> Self {
59        from.scenario_address_expr.clone()
60    }
61}
62
63impl<P: ProxyObjNew> From<ContractInfo<P>> for AddressKey {
64    fn from(from: ContractInfo<P>) -> Self {
65        from.scenario_address_expr
66    }
67}
68
69impl<P: ProxyObjNew> From<&ContractInfo<P>> for AddressValue {
70    fn from(from: &ContractInfo<P>) -> Self {
71        AddressValue::from(&from.scenario_address_expr)
72    }
73}
74
75impl<P: ProxyObjNew> From<ContractInfo<P>> for AddressValue {
76    fn from(from: ContractInfo<P>) -> Self {
77        AddressValue::from(&from.scenario_address_expr)
78    }
79}
80
81impl<P: ProxyObjNew> Deref for ContractInfo<P> {
82    type Target = P::ProxyTo;
83    fn deref(&self) -> &Self::Target {
84        &self.proxy_inst
85    }
86}
87
88impl<P: ProxyObjNew> DerefMut for ContractInfo<P> {
89    fn deref_mut(&mut self) -> &mut Self::Target {
90        self.refresh_proxy_address();
91        &mut self.proxy_inst
92    }
93}
94
95impl<P: ProxyObjNew> TopEncode for ContractInfo<P> {
96    fn top_encode_or_handle_err<O, H>(&self, output: O, h: H) -> Result<(), H::HandledErr>
97    where
98        O: TopEncodeOutput,
99        H: EncodeErrorHandler,
100    {
101        self.scenario_address_expr
102            .value
103            .top_encode_or_handle_err(output, h)
104    }
105}
106
107impl<P: ProxyObjNew> TypeAbiFrom<ContractInfo<P>> for Address {}
108impl<P: ProxyObjNew> TypeAbiFrom<&ContractInfo<P>> for Address {}
109impl<M: ManagedTypeApi, P: ProxyObjNew> TypeAbiFrom<ContractInfo<P>> for ManagedAddress<M> {}
110impl<M: ManagedTypeApi, P: ProxyObjNew> TypeAbiFrom<&ContractInfo<P>> for ManagedAddress<M> {}
111
112impl<Env, P> AnnotatedValue<Env, ManagedAddress<Env::Api>> for &ContractInfo<P>
113where
114    Env: TxEnv,
115    P: ProxyObjNew,
116{
117    fn annotation(&self, _env: &Env) -> ManagedBuffer<Env::Api> {
118        self.scenario_address_expr.original.as_str().into()
119    }
120
121    fn to_value(&self, _env: &Env) -> ManagedAddress<Env::Api> {
122        (&self.scenario_address_expr.value).into()
123    }
124}
125
126impl<P, Env> TxFrom<Env> for &ContractInfo<P>
127where
128    Env: TxEnv,
129    P: ProxyObjNew,
130{
131    fn resolve_address(&self, _env: &Env) -> ManagedAddress<Env::Api> {
132        (&self.scenario_address_expr.value).into()
133    }
134}
135impl<P, Env> TxFromSpecified<Env> for &ContractInfo<P>
136where
137    Env: TxEnv,
138    P: ProxyObjNew,
139{
140}
141impl<P, Env> TxTo<Env> for &ContractInfo<P>
142where
143    Env: TxEnv,
144    P: ProxyObjNew,
145{
146}
147impl<P, Env> TxToSpecified<Env> for &ContractInfo<P>
148where
149    Env: TxEnv,
150    P: ProxyObjNew,
151{
152}