hiero-sdk 0.42.1

The SDK for interacting with Hedera Hashgraph.
Documentation 
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

// SPDX-License-Identifier: Apache-2.0

use hiero_sdk_proto::services;
use hiero_sdk_proto::services::file_service_client::FileServiceClient;
use tonic::transport::Channel;

use crate::ledger_id::RefLedgerId;
use crate::query::{
    AnyQueryData,
    QueryExecute,
    ToQueryProtobuf,
};
use crate::{
    BoxGrpcFuture,
    Error,
    FileId,
    FileInfo,
    Query,
    ToProtobuf,
    ValidateChecksums,
};

/// Get all the information about a file.
pub type FileInfoQuery = Query<FileInfoQueryData>;

#[derive(Default, Clone, Debug)]
pub struct FileInfoQueryData {
    file_id: Option<FileId>,
}

impl From<FileInfoQueryData> for AnyQueryData {
    #[inline]
    fn from(data: FileInfoQueryData) -> Self {
        Self::FileInfo(data)
    }
}

impl FileInfoQuery {
    /// Returns the ID of the file for which information is requested.
    #[must_use]
    pub fn get_file_id(&self) -> Option<FileId> {
        self.data.file_id
    }

    /// Sets the ID of the file for which information is requested.
    pub fn file_id(&mut self, id: impl Into<FileId>) -> &mut Self {
        self.data.file_id = Some(id.into());
        self
    }
}

impl ToQueryProtobuf for FileInfoQueryData {
    fn to_query_protobuf(&self, header: services::QueryHeader) -> services::Query {
        let file_id = self.file_id.to_protobuf();

        services::Query {
            query: Some(services::query::Query::FileGetInfo(services::FileGetInfoQuery {
                file_id,
                header: Some(header),
            })),
        }
    }
}

impl QueryExecute for FileInfoQueryData {
    type Response = FileInfo;

    fn execute(
        &self,
        channel: Channel,
        request: services::Query,
    ) -> BoxGrpcFuture<'_, services::Response> {
        Box::pin(async { FileServiceClient::new(channel).get_file_info(request).await })
    }
}

impl ValidateChecksums for FileInfoQueryData {
    fn validate_checksums(&self, ledger_id: &RefLedgerId) -> Result<(), Error> {
        self.file_id.validate_checksums(ledger_id)
    }
}

#[cfg(test)]
mod tests {
    use expect_test::expect;

    use crate::query::ToQueryProtobuf;
    use crate::{
        FileContentsQuery,
        FileId,
        FileInfoQuery,
        Hbar,
    };

    #[test]
    fn serialize() {
        expect![[r#"
            Query {
                query: Some(
                    FileGetInfo(
                        FileGetInfoQuery {
                            header: Some(
                                QueryHeader {
                                    payment: None,
                                    response_type: AnswerOnly,
                                },
                            ),
                            file_id: Some(
                                FileId {
                                    shard_num: 0,
                                    realm_num: 0,
                                    file_num: 5005,
                                },
                            ),
                        },
                    ),
                ),
            }
        "#]]
        .assert_debug_eq(
            &FileInfoQuery::new()
                .file_id(FileId::new(0, 0, 5005))
                .max_payment_amount(Hbar::from_tinybars(100_000))
                .data
                .to_query_protobuf(Default::default()),
        )
    }

    #[test]
    fn get_set_file_id() {
        let mut query = FileContentsQuery::new();
        query.file_id(FileId::new(0, 0, 5005));

        assert_eq!(query.get_file_id(), Some(FileId::new(0, 0, 5005)));
    }
}