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

use crate::{types::verbosity::Verbosity, SDK};
use casper_client::{
    get_chainspec, rpcs::results::GetChainspecResult as _GetChainspecResult, Error, JsonRpcId,
    SuccessResponse,
};
#[cfg(target_arch = "wasm32")]
use gloo_utils::format::JsValueSerdeExt;
use rand::Rng;
#[cfg(target_arch = "wasm32")]
use serde::{Deserialize, Serialize};
#[cfg(target_arch = "wasm32")]
use wasm_bindgen::prelude::*;

/// A struct representing the result of the `get_chainspec` function.
#[cfg(target_arch = "wasm32")]
#[derive(Debug, Deserialize, Clone, Serialize)]
#[wasm_bindgen]
pub struct GetChainspecResult(_GetChainspecResult);

#[cfg(target_arch = "wasm32")]
impl From<GetChainspecResult> for _GetChainspecResult {
    fn from(result: GetChainspecResult) -> Self {
        result.0
    }
}

#[cfg(target_arch = "wasm32")]
impl From<_GetChainspecResult> for GetChainspecResult {
    fn from(result: _GetChainspecResult) -> Self {
        GetChainspecResult(result)
    }
}

/// Implementations for the `GetChainspecResult` struct.
#[cfg(target_arch = "wasm32")]
#[wasm_bindgen]
impl GetChainspecResult {
    /// Gets the API version as a JsValue.
    #[wasm_bindgen(getter)]
    pub fn api_version(&self) -> JsValue {
        JsValue::from_serde(&self.0.api_version).unwrap()
    }

    /// Gets the chainspec bytes as a JsValue.
    #[wasm_bindgen(getter)]
    pub fn chainspec_bytes(&self) -> JsValue {
        JsValue::from_serde(&self.0.chainspec_bytes).unwrap()
    }

    /// Converts the `GetChainspecResult` to a JsValue.
    #[wasm_bindgen(js_name = "toJson")]
    pub fn to_json(&self) -> JsValue {
        JsValue::from_serde(&self.0).unwrap_or(JsValue::null())
    }
}

/// Implementations for the `SDK` struct.
#[cfg(target_arch = "wasm32")]
#[wasm_bindgen]
impl SDK {
    /// Asynchronously retrieves the chainspec.
    ///
    /// # Arguments
    ///
    /// * `verbosity` - An optional `Verbosity` parameter.
    /// * `rpc_address` - An optional rpc address as a string.
    ///
    /// # Returns
    ///
    /// A `Result` containing either a `GetChainspecResult` or a `JsError` in case of an error.
    #[wasm_bindgen(js_name = "get_chainspec")]
    pub async fn get_chainspec_js_alias(
        &self,
        verbosity: Option<Verbosity>,
        rpc_address: Option<String>,
    ) -> Result<GetChainspecResult, JsError> {
        let result = self.get_chainspec(verbosity, rpc_address).await;
        match result {
            Ok(data) => Ok(data.result.into()),
            Err(err) => {
                let err = &format!("Error occurred with {:?}", err);
                Err(JsError::new(err))
            }
        }
    }

    // JavaScript alias for `get_chainspec`.
    #[deprecated(note = "This function is an alias. Please use `get_chainspec` instead.")]
    #[allow(deprecated)]
    pub async fn info_get_chainspec(
        &self,
        verbosity: Option<Verbosity>,
        rpc_address: Option<String>,
    ) -> Result<GetChainspecResult, JsError> {
        self.get_chainspec_js_alias(verbosity, rpc_address).await
    }
}

/// Implementations for the `SDK` struct.
impl SDK {
    /// Asynchronously retrieves the chainspec.
    ///
    /// # Arguments
    ///
    /// * `verbosity` - An optional `Verbosity` parameter.
    /// * `rpc_address` - An optional rpc address as a string.
    ///
    /// # Returns
    ///
    /// A `Result` containing either a `_GetChainspecResult` or a `SdkError` in case of an error.
    pub async fn get_chainspec(
        &self,
        verbosity: Option<Verbosity>,
        rpc_address: Option<String>,
    ) -> Result<SuccessResponse<_GetChainspecResult>, Error> {
        //log("get_chainspec!");
        get_chainspec(
            JsonRpcId::from(rand::thread_rng().gen::<i64>().to_string()),
            &self.get_rpc_address(rpc_address),
            self.get_verbosity(verbosity).into(),
        )
        .await
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use sdk_tests::tests::helpers::get_network_constants;

    #[tokio::test]
    async fn test_get_chainspec_with_none_values() {
        // Arrange
        let sdk = SDK::new(None, None);
        let error_message = "builder error";

        // Act
        let result = sdk.get_chainspec(None, None).await;

        // Assert
        assert!(result.is_err());
        let err_string = result.err().unwrap().to_string();
        assert!(err_string.contains(error_message));
    }

    #[tokio::test]
    async fn test_get_chainspec_with_specific_arguments() {
        // Arrange
        let sdk = SDK::new(None, None);
        let verbosity = Some(Verbosity::High);
        let (rpc_address, _, _, _) = get_network_constants();

        // Act
        let result = sdk.get_chainspec(verbosity, Some(rpc_address)).await;

        // Assert
        assert!(result.is_ok());
    }

    #[tokio::test]
    async fn test_get_chainspec_with_error() {
        let sdk = SDK::new(Some("http://localhost".to_string()), None);

        let error_message = "error sending request for url (http://localhost/rpc)";

        // Act
        let result = sdk.get_chainspec(None, None).await;

        // Assert
        assert!(result.is_err());
        let err_string = result.err().unwrap().to_string();
        assert!(err_string.contains(error_message));
    }
}