90 lines
2.1 KiB
Rust
90 lines
2.1 KiB
Rust
//! GNACS解析器模块
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/// 资产类型
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub enum AssetType {
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/// 不动产收益权
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RealEstateRevenue,
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/// 股权
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Equity,
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/// 债权
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Debt,
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/// 商品
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Commodity,
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/// 其他
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Other(String),
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}
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/// 风险等级
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#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
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#[repr(u8)]
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pub enum RiskLevel {
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/// 低风险
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Low = 1,
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/// 中风险
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Medium = 2,
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/// 高风险
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High = 3,
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}
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/// GNACS解析结果
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#[derive(Debug, Clone)]
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pub struct GNACSInfo {
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/// 资产类型
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pub asset_type: AssetType,
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/// 风险权重（巴塞尔III）
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pub risk_weight: u8,
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/// 合规等级
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pub compliance_level: u8,
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/// 实时状态
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pub status: u8,
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}
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/// GNACS解析器
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pub struct GNACSParser;
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impl GNACSParser {
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/// 解析GNACS编码
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pub fn parse(gnacs: &[u8; 6]) -> GNACSInfo {
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let asset_type_code = gnacs[0];
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let risk_weight = gnacs[1];
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let compliance_level = gnacs[2];
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let status = gnacs[5];
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let asset_type = match asset_type_code {
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0x01 => AssetType::RealEstateRevenue,
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0x02 => AssetType::Equity,
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0x03 => AssetType::Debt,
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0x04 => AssetType::Commodity,
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_ => AssetType::Other(format!("Unknown({})", asset_type_code)),
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};
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GNACSInfo {
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asset_type,
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risk_weight,
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compliance_level,
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status,
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}
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}
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/// 获取资产类型描述
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pub fn asset_type_description(asset_type: &AssetType) -> String {
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match asset_type {
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AssetType::RealEstateRevenue => "不动产收益权".to_string(),
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AssetType::Equity => "股权".to_string(),
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AssetType::Debt => "债权".to_string(),
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AssetType::Commodity => "商品".to_string(),
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AssetType::Other(s) => s.clone(),
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}
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}
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/// 获取风险等级
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pub fn risk_level(risk_weight: u8) -> RiskLevel {
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match risk_weight {
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0..=50 => RiskLevel::Low,
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51..=100 => RiskLevel::Medium,
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_ => RiskLevel::High,
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}
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}
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}
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