ic-query 0.25.9

Internet Computer query library for NNS, SNS, ICRC, system canisters, and public network metadata
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

//! Module: system::cmc::model
//!
//! Responsibility: define stable CMC report and certified-rate models.
//! Does not own: live transport, certificate verification, CLI parsing, or text output.
//! Boundary: preserves the native CMC permyriad rate and explicit evidence provenance.

#[cfg(feature = "host")]
use candid::CandidType;
use serde::{Deserialize, Serialize};

///
/// CmcReportContext
///
/// Provenance shared by direct Cycle Minting Canister reports.
///

#[derive(Clone, Debug, Eq, PartialEq, Deserialize, Serialize)]
pub struct CmcReportContext {
    /// Report schema version.
    pub schema_version: u32,
    /// Queried network identity.
    pub network: String,
    /// Cycle Minting Canister principal.
    pub cmc_canister_id: String,
    /// UTC collection timestamp.
    pub fetched_at: String,
    /// Replica endpoint used for the query.
    pub source_endpoint: String,
    /// Collector identity.
    pub fetched_by: String,
}

///
/// CmcIcpXdrConversionRate
///
/// Native CMC ICP/XDR conversion-rate value committed by certified data.
///

#[cfg_attr(feature = "host", derive(CandidType))]
#[derive(Clone, Debug, Eq, PartialEq, Deserialize, Serialize)]
pub struct CmcIcpXdrConversionRate {
    /// Unix timestamp for the market data represented by this rate.
    pub timestamp_seconds: u64,
    /// Number of ten-thousandths of XDR corresponding to one ICP.
    pub xdr_permyriad_per_icp: u64,
}

///
/// CmcCertification
///
/// Authenticated application-level certificate and hash-tree evidence for a CMC rate.
///

#[derive(Clone, Debug, Eq, PartialEq, Deserialize, Serialize)]
pub struct CmcCertification {
    /// Whether the built-in source authenticated the certificate and rate witness.
    pub certificate_verified: bool,
    /// CBOR system certificate encoded as lowercase hexadecimal.
    pub certificate_hex: String,
    /// Raw certificate length in bytes.
    pub certificate_bytes: usize,
    /// CBOR witness hash tree encoded as lowercase hexadecimal.
    pub hash_tree_hex: String,
    /// Raw witness hash-tree length in bytes.
    pub hash_tree_bytes: usize,
}

///
/// CmcXdrReport
///
/// Certified point-in-time CMC ICP/XDR conversion-rate report.
///

#[derive(Clone, Debug, Eq, PartialEq, Deserialize, Serialize)]
pub struct CmcXdrReport {
    /// Query and authority provenance.
    #[serde(flatten)]
    pub context: CmcReportContext,
    /// Raw CMC conversion-rate value.
    pub rate: CmcIcpXdrConversionRate,
    /// Authenticated certificate and witness evidence.
    pub certification: CmcCertification,
}

///
/// CmcCyclesReport
///
/// Cycles conversion derived from a certified CMC rate and the IC protocol constant.
///

#[derive(Clone, Debug, Eq, PartialEq, Deserialize, Serialize)]
pub struct CmcCyclesReport {
    /// Query and authority provenance.
    #[serde(flatten)]
    pub context: CmcReportContext,
    /// Raw CMC conversion-rate value used by the derivation.
    pub rate: CmcIcpXdrConversionRate,
    /// IC protocol constant for the number of cycles corresponding to one XDR.
    pub cycles_per_xdr: u128,
    /// Authority label for `cycles_per_xdr`, distinct from the certified CMC rate.
    pub cycles_per_xdr_source: String,
    /// Number of cycles corresponding to one ICP at the certified rate.
    pub cycles_per_icp: u128,
    /// Exact formula used to derive `cycles_per_icp`.
    pub cycles_per_icp_formula: String,
    /// Authenticated certificate and witness evidence for `rate`.
    pub certification: CmcCertification,
}

///
/// CmcCertifiedRate
///
/// Source result accepted after the CMC certificate and rate witness are validated.
///

#[cfg(feature = "host")]
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct CmcCertifiedRate {
    /// Native certified CMC rate.
    pub rate: CmcIcpXdrConversionRate,
    /// Authenticated certificate and hash-tree evidence.
    pub certification: CmcCertification,
}