105 lines
3.3 KiB
Rust
105 lines
3.3 KiB
Rust
//! 区块链集成适配器
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//!
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//! 调用NVM和CBPP进行链上操作
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use crate::error::{OnboardingError, Result};
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use crate::types::{BlockchainResult};
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use nac_udm::l1_protocol::nvm::NVMClient;
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use nac_udm::l1_protocol::cbpp::CBPPConsensus;
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use chrono::Utc;
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use tracing::{info, error};
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/// 区块链集成适配器
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pub struct BlockchainAdapter {
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nvm_client: NVMClient,
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cbpp: CBPPConsensus,
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}
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impl BlockchainAdapter {
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/// 创建新的适配器
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pub fn new(rpc_url: String) -> Result<Self> {
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let nvm_client = NVMClient::new(&rpc_url)
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.map_err(|e| OnboardingError::BlockchainIntegrationError(format!("NVM初始化失败: {}", e)))?;
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let cbpp = CBPPConsensus::new()
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.map_err(|e| OnboardingError::BlockchainIntegrationError(format!("CBPP初始化失败: {}", e)))?;
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Ok(Self { nvm_client, cbpp })
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}
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/// 提交到区块链
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pub async fn submit_to_chain(
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&self,
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dna_hash: &str,
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token_address: &str,
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) -> Result<BlockchainResult> {
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info!("开始提交到区块链: dna={}", dna_hash);
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// 构建交易数据
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let tx_data = self.build_transaction_data(dna_hash, token_address)?;
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// 提交交易
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let tx_hash = self.nvm_client.send_transaction(&tx_data)
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.await
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.map_err(|e| OnboardingError::BlockchainIntegrationError(format!("交易提交失败: {}", e)))?;
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// 等待确认
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let receipt = self.nvm_client.wait_for_receipt(&tx_hash)
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.await
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.map_err(|e| OnboardingError::BlockchainIntegrationError(format!("等待确认失败: {}", e)))?;
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// 获取区块号
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let block_number = receipt.block_number;
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// 获取区块哈希（48字节SHA3-384）
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let block_hash = receipt.block_hash;
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info!("区块链提交完成: block={}, hash={}", block_number, block_hash);
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Ok(BlockchainResult {
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block_number,
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block_hash,
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transaction_hash: tx_hash,
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timestamp: Utc::now(),
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})
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}
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/// 构建交易数据
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fn build_transaction_data(&self, dna_hash: &str, token_address: &str) -> Result<Vec<u8>> {
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// 简化实现：编码DNA哈希和代币地址
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let mut data = Vec::new();
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data.extend_from_slice(dna_hash.as_bytes());
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data.extend_from_slice(token_address.as_bytes());
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Ok(data)
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}
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/// 查询区块信息
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pub async fn get_block(&self, block_number: u64) -> Result<String> {
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let block = self.nvm_client.get_block(block_number)
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.await
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.map_err(|e| OnboardingError::BlockchainIntegrationError(format!("查询区块失败: {}", e)))?;
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Ok(format!("{:?}", block))
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}
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/// 查询交易信息
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pub async fn get_transaction(&self, tx_hash: &str) -> Result<String> {
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let tx = self.nvm_client.get_transaction(tx_hash)
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.await
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.map_err(|e| OnboardingError::BlockchainIntegrationError(format!("查询交易失败: {}", e)))?;
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Ok(format!("{:?}", tx))
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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 = BlockchainAdapter::new("http://localhost:8545".to_string());
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assert!(adapter.is_ok());
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}
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}
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