98 lines
2.8 KiB
Rust
98 lines
2.8 KiB
Rust
//! XTZH 稳定币铸造适配器
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//!
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//! 通过 ACC-XTZH 协议在 NAC 主网铸造 XTZH 稳定币。
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//! XTZH 采用 SDR 锚定模型 + 黄金储备保障，125% 抵押覆盖率。
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use crate::error::{OnboardingError, Result};
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use crate::types::{ValuationResult, XTZHResult, XTZHProtocol};
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use rust_decimal::Decimal;
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use chrono::Utc;
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use tracing::info;
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/// XTZH 铸造适配器
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pub struct XTZHAdapter {
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/// XTZH 协议实例
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protocol: XTZHProtocol,
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}
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impl XTZHAdapter {
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/// 创建新的 XTZH 适配器
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pub fn new() -> Result<Self> {
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Ok(Self {
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protocol: XTZHProtocol::new(),
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})
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}
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/// 铸造 XTZH 稳定币
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///
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/// 根据 AI 估值结果，通过 ACC-XTZH 协议铸造对应数量的稳定币。
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/// 铸造需要 125% 抵押覆盖率（由宪法层强制执行）。
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pub async fn mint_xtzh(
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&self,
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valuation: &ValuationResult,
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dna_hash: &str,
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custody_hash: &str,
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) -> Result<XTZHResult> {
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info!("开始铸造 XTZH: {} XTZH", valuation.valuation_xtzh);
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// 将 Decimal 转为 u128（XTZH 精度为 18 位）
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let amount_u128 = valuation.valuation_xtzh
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.to_string()
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.parse::<f64>()
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.unwrap_or(0.0) as u128;
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// 通过 ACC-XTZH 协议铸造（需要 125% 抵押）
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let mint_result = self.protocol.mint(amount_u128, custody_hash)
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.await
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.map_err(|e| OnboardingError::XTZHMintingError(format!("XTZH 铸造失败: {}", e)))?;
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let tx_hash = mint_result.transaction_hash;
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let xtzh_address = mint_result.xtzh_address;
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info!(
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"XTZH 铸造完成: amount={}, address={}, tx={}",
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valuation.valuation_xtzh, xtzh_address, tx_hash
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);
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Ok(XTZHResult {
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xtzh_amount: valuation.valuation_xtzh,
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xtzh_address,
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mint_tx_hash: tx_hash,
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timestamp: Utc::now(),
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})
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}
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/// 查询 XTZH 余额
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pub async fn get_balance(&self, address: &str) -> Result<Decimal> {
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let balance = self.protocol.balance_of(address)
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.await
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.map_err(|e| OnboardingError::XTZHMintingError(format!("查询余额失败: {}", e)))?;
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Ok(Decimal::from(balance))
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}
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/// 查询当前 SDR 汇率
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pub async fn get_sdr_rate(&self) -> Result<Decimal> {
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let rate = self.protocol.get_sdr_rate()
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.await
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.map_err(|e| OnboardingError::XTZHMintingError(format!("查询 SDR 汇率失败: {}", e)))?;
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Ok(Decimal::try_from(rate).unwrap_or(Decimal::ONE))
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}
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}
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impl Default for XTZHAdapter {
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fn default() -> Self {
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Self::new().expect("XTZHAdapter 初始化失败")
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_adapter_creation() {
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let adapter = XTZHAdapter::new();
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assert!(adapter.is_ok());
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}
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}
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