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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192

//! Test multiple contract interactions using unit tests.
//! *Feature flag: `ensemble`*

mod bank;
mod ensemble;
mod env;
mod querier;
mod storage;
mod block;
mod response;
#[cfg(feature = "ensemble-staking")]
mod staking;
mod state;
mod execution_state;
mod error;
mod event;

#[cfg(test)]
mod tests;

pub use ensemble::*;
pub use env::*;
pub use querier::*;
pub use block::Block;
pub use response::*;
pub use error::*;
pub use anyhow;

/// Generate a struct and implement [`ContractHarness`] for the given struct identifier,
/// using the provided entry point functions.
/// 
/// Supports `init`, `execute` and `query` **or**
/// `init`, `execute`, `query` and `reply`.
/// 
/// # Examples
/// 
/// ```
/// # #[macro_use] extern crate fadroma;
/// # use fadroma::cosmwasm_std::{Deps, DepsMut, Env, MessageInfo, StdResult, Response, Binary, to_binary};
/// # #[derive(serde::Serialize, serde::Deserialize, schemars::JsonSchema)]
/// # pub struct InitMsg;
/// # #[derive(serde::Serialize, serde::Deserialize, schemars::JsonSchema)]
/// # pub struct ExecuteMsg;
/// # #[derive(serde::Serialize, serde::Deserialize, schemars::JsonSchema)]
/// # pub struct QueryMsg;
/// pub fn instantiate(
///     _deps: DepsMut,
///     _env: Env,
///     _info: MessageInfo,
///     _msg: InitMsg
/// ) -> StdResult<Response> {
///     Ok(Response::default())
/// }
///
/// pub fn execute(
///     _deps: DepsMut,
///     _env: Env,
///     _info: MessageInfo,
///     _msg: ExecuteMsg
/// ) -> StdResult<Response> {
///     Ok(Response::default())
/// }
///
/// pub fn query(
///     _deps: Deps,
///     _env: Env,
///     _msg: QueryMsg
/// ) -> StdResult<Binary> {
///     to_binary(&true)
/// }
/// 
/// contract_harness! {
///     pub NameOfStruct,
///     init: instantiate,
///     execute: execute,
///     query: query
/// }
/// ```
#[macro_export]
macro_rules! contract_harness {
    (@init $init:path) => {
        fn instantiate(
            &self,
            deps: $crate::cosmwasm_std::DepsMut,
            env: $crate::cosmwasm_std::Env,
            info: $crate::cosmwasm_std::MessageInfo,
            msg: $crate::cosmwasm_std::Binary
        ) -> $crate::ensemble::AnyResult<$crate::cosmwasm_std::Response> {
            let result = $init(
                deps,
                env,
                info,
                $crate::cosmwasm_std::from_binary(&msg)?
            )?;

            Ok(result)
        }
    };

    (@execute $execute:path) => {
        fn execute(
            &self,
            deps: $crate::cosmwasm_std::DepsMut,
            env: $crate::cosmwasm_std::Env,
            info: $crate::cosmwasm_std::MessageInfo,
            msg: $crate::cosmwasm_std::Binary
        ) -> $crate::ensemble::AnyResult<$crate::cosmwasm_std::Response> {
            let result = $execute(
                deps,
                env,
                info,
                $crate::cosmwasm_std::from_binary(&msg)?
            )?;

            Ok(result)
        }
    };

    (@query $query:path) => {
        fn query(
            &self,
            deps: $crate::cosmwasm_std::Deps,
            env: $crate::cosmwasm_std::Env,
            msg: $crate::cosmwasm_std::Binary
        ) -> $crate::ensemble::AnyResult<$crate::cosmwasm_std::Binary> {
            let result = $query(
                deps,
                env,
                $crate::cosmwasm_std::from_binary(&msg)?
            )?;

            Ok(result)
        }
    };

    (@reply $reply:path) => {
        fn reply(
            &self,
            deps: $crate::cosmwasm_std::DepsMut,
            env: $crate::cosmwasm_std::Env,
            reply: $crate::cosmwasm_std::Reply
        ) -> $crate::ensemble::AnyResult<$crate::cosmwasm_std::Response> {
            let result = $reply(
                deps,
                env,
                reply
            )?;

            Ok(result)
        }
    };

    (@trait_impl $visibility:vis $name:ident, $($contents:tt)*) => {
        $visibility struct $name;

        impl $crate::ensemble::ContractHarness for $name {
            $($contents)*
        }
    };

    (
        $visibility:vis $name:ident,
        init: $init:path,
        execute: $execute:path,
        query: $query:path,
        reply: $reply:path
    ) => {
        $crate::contract_harness! {
            @trait_impl
            $visibility $name,
            $crate::contract_harness!(@init $init);
            $crate::contract_harness!(@execute $execute);
            $crate::contract_harness!(@query $query);
            $crate::contract_harness!(@reply $reply);
        }
    };

    (
        $visibility:vis $name:ident,
        init: $init:path,
        execute: $execute:path,
        query: $query:path
    ) => {
        $crate::contract_harness! {
            @trait_impl
            $visibility $name,
            $crate::contract_harness!(@init $init);
            $crate::contract_harness!(@execute $execute);
            $crate::contract_harness!(@query $query);
        }
    };
}