110 lines
3.1 KiB
Rust
110 lines
3.1 KiB
Rust
//! 代币发行适配器
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//!
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//! 通过 ACC-20 协议在 NAC 主网发行 RWA 资产代币。
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//! ACC-20 是 NAC 原生代币协议，不是 ERC-20 的衍生。
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use crate::error::{OnboardingError, Result};
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use crate::types::{AssetSubmission, TokenResult};
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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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/// 代币发行适配器
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///
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/// 封装 ACC-20 协议的代币部署和查询逻辑。
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pub struct TokenAdapter {
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/// NVM 服务端点（通过 NAC_Lens 4.0 通信）
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nvm_endpoint: String,
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}
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impl TokenAdapter {
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/// 创建新的代币适配器
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pub fn new() -> Result<Self> {
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Ok(Self {
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nvm_endpoint: "http://localhost:9547".to_string(),
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})
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}
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/// 发行 ACC-20 资产代币
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///
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/// 通过 NVM 执行 Charter 合约，在 NAC 主网部署 ACC-20 代币合约。
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pub async fn issue_token(
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&self,
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submission: &AssetSubmission,
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dna_hash: &str,
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xtzh_amount: Decimal,
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) -> Result<TokenResult> {
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info!("开始发行 ACC-20 代币: {}", submission.asset_name);
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// 生成代币符号（NAC 原生格式）
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let token_symbol = self.generate_symbol(&submission.asset_name);
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// TODO: 通过 NAC_Lens 4.0 调用 NVM 部署 Charter ACC-20 合约
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// 当前为 stub 实现，待 NVM 服务接口稳定后替换
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let token_address = format!(
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"NAC-ACC20-{}-{}",
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&dna_hash[..8.min(dna_hash.len())],
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token_symbol
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);
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let deploy_tx_hash = format!(
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"TX-ACC20-{}-{}",
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&dna_hash[..8.min(dna_hash.len())],
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chrono::Utc::now().timestamp()
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);
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info!(
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"ACC-20 代币发行完成: symbol={}, address={}",
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token_symbol, token_address
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);
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Ok(TokenResult {
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token_symbol,
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token_address,
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total_supply: xtzh_amount,
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deploy_tx_hash,
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timestamp: Utc::now(),
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})
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}
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/// 生成 NAC 原生代币符号
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fn generate_symbol(&self, asset_name: &str) -> String {
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let prefix: String = asset_name
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.chars()
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.filter(|c| c.is_alphabetic())
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.take(3)
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.collect();
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format!("{}RWA", prefix.to_uppercase())
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}
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/// 查询 ACC-20 代币余额
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pub async fn get_balance(&self, token_address: &str, owner: &str) -> Result<Decimal> {
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// TODO: 通过 NAC_Lens 4.0 查询 NVM 中的 ACC-20 合约余额
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let _ = (token_address, owner, &self.nvm_endpoint);
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Ok(Decimal::ZERO)
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}
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}
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impl Default for TokenAdapter {
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fn default() -> Self {
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Self::new().expect("TokenAdapter 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_generate_symbol() {
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let adapter = TokenAdapter::new().expect("初始化失败");
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let symbol = adapter.generate_symbol("Real Estate Asset");
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assert_eq!(symbol, "REARWA");
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}
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#[test]
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fn test_adapter_creation() {
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let adapter = TokenAdapter::new();
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assert!(adapter.is_ok());
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}
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}
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