106 lines
2.7 KiB
Rust
106 lines
2.7 KiB
Rust
//! 宪法收据模块
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use serde::{Deserialize, Serialize};
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use sha3::{Digest, Sha3_384};
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/// 宪法收据
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct ConstitutionalReceipt {
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/// 交易哈希 (SHA3-384)
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pub transaction_hash: [u8; 48],
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/// 宾法哈希 (SHA3-384)
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pub constitutional_hash: [u8; 48],
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/// 条款掩码
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pub clause_mask: u64,
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/// 执行结果哈希 (SHA3-384)
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pub execution_result_hash: [u8; 48],
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/// 时间戳
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pub timestamp: u64,
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/// 有效期窗口
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pub validity_window: u64,
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/// CEE节点签名列表
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pub signatures: Vec<Vec<u8>>,
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/// 收据ID (SHA3-384)
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pub receipt_id: [u8; 48],
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}
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impl ConstitutionalReceipt {
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/// 创建新的宪法收据
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pub fn new(
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transaction_hash: [u8; 48],
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constitutional_hash: [u8; 48],
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clause_mask: u64,
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) -> Self {
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let receipt_id = Self::generate_receipt_id(&transaction_hash);
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Self {
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transaction_hash,
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constitutional_hash,
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clause_mask,
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execution_result_hash: [0u8; 48],
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timestamp: 0,
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validity_window: 300,
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signatures: Vec::new(),
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receipt_id,
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}
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}
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fn generate_receipt_id(transaction_hash: &[u8; 48]) -> [u8; 48] {
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let mut hasher = Sha3_384::new();
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hasher.update(transaction_hash);
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hasher.update(b"NAC_CR");
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let result = hasher.finalize();
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let mut id = [0u8; 48];
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id.copy_from_slice(&result);
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id
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}
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/// 添加CEE签名
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pub fn add_signature(&mut self, signature: Vec<u8>) {
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self.signatures.push(signature);
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}
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/// 验证收据
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pub fn verify(&self) -> bool {
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let expected_id = Self::generate_receipt_id(&self.transaction_hash);
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if self.receipt_id != expected_id {
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return false;
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}
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!self.signatures.is_empty()
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}
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/// 检查收据是否在有效期内
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pub fn is_valid(&self) -> bool {
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true // TODO: 实现时间检查
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}
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}
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/// CEE请求数据
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct CEERequest {
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/// 交易哈希
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pub transaction_hash: String,
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/// 交易载荷（Base64编码，可选）
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pub transaction_payload: Option<String>,
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}
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impl CEERequest {
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/// 创建新的CEE请求
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pub fn new(transaction_hash: [u8; 48]) -> Self {
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Self {
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transaction_hash: format!("{:?}", transaction_hash),
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transaction_payload: None,
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}
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}
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}
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/// CEE响应数据
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct CEEResponse {
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/// 宪法收据
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pub receipt: ConstitutionalReceipt,
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/// CEE节点签名
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pub signature: String,
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}
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