266 lines
9.3 KiB
Rust
266 lines
9.3 KiB
Rust
//! NAC 马耳他（Malta） 辖区宪法规则验证插件
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//! 监管机构：MFSA（Malta Financial Services Authority）
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//! 关键法律：Virtual Financial Assets Act 2018（VFA）& MiCA（EU成员国适用）
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//!
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//! CBPP 四大原则：
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//! - 约法即是治法：本插件条款即是MT辖区的链上治理规则
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//! - 宪法即是规则：所有MT辖区交易的合法性由本插件判定
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//! - 参与即是共识：节点加载本插件并参与出块，即代表对MT辖区宪法规则的背书
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//! - 节点产生区块，交易决定区块大小：区块大小由实际交易量动态决定
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use serde::{Deserialize, Serialize};
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/// MT 辖区交易结构
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct Transaction {
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pub from: String,
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pub to: String,
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pub amount: u64,
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pub asset_type: String,
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pub jurisdiction: String,
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pub data: Vec<u8>,
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}
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/// MT 辖区宪法收据（Constitutional Receipt）
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/// 参与即是共识：节点出具此收据即代表对MT辖区宪法规则的背书，无需额外多签或投票
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct ConstitutionalReceipt {
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pub jurisdiction: String,
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pub passed: bool,
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pub applied_rules: Vec<String>,
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pub ca_authority: String, // MFSA_CA
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pub timestamp: u64,
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}
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/// MT 辖区错误类型
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#[derive(Debug, thiserror::Error)]
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pub enum JurisdictionError {
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#[error("规则违反: {0} - {1}")]
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RuleViolation(String, String),
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#[error("资产类型不支持: {0}")]
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UnsupportedAssetType(String),
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#[error("禁止活动: {0}")]
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ProhibitedActivity(String),
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}
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/// MT 辖区验证插件
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pub struct MTPlugin;
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impl MTPlugin {
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/// 主验证入口：各辖区独立出具 CR，参与即是共识
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pub fn validate(tx: &Transaction) -> Result<ConstitutionalReceipt, JurisdictionError> {
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// 验证资产类型
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let supported = ["虚拟金融资产", "证券型代币", "实用型代币", "电子货币代币"];
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if !supported.contains(&tx.asset_type.as_str()) {
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return Err(JurisdictionError::UnsupportedAssetType(tx.asset_type.clone()));
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}
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// 验证禁止活动
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let prohibited = ["未经VFA测试的资产发行", "个人信息上链"];
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for p in &prohibited {
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if tx.data.windows(p.len()).any(|w| w == p.as_bytes()) {
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return Err(JurisdictionError::ProhibitedActivity(p.to_string()));
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}
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}
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// 逐条验证宪法规则
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if !Self::check_mt_vfa_001(tx) {
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return Err(JurisdictionError::RuleViolation(
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"MT_VFA_001".to_string(),
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"虚拟金融资产须通过MFSA的VFA测试（金融工具/电子货币/VFA）".to_string(),
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));
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}
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if !Self::check_mt_mica_001(tx) {
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return Err(JurisdictionError::RuleViolation(
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"MT_MICA_001".to_string(),
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"作为EU成员国，须同时符合MiCA法规".to_string(),
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));
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}
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if !Self::check_mt_gdpr_001(tx) {
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return Err(JurisdictionError::RuleViolation(
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"MT_GDPR_001".to_string(),
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"个人数据处理须符合GDPR，禁止个人信息直接上链".to_string(),
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));
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}
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if !Self::check_mt_aml_001(tx) {
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return Err(JurisdictionError::RuleViolation(
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"MT_AML_001".to_string(),
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"须符合EU第六反洗钱指令（6AMLD）".to_string(),
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));
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}
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if !Self::check_mt_agent_001(tx) {
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return Err(JurisdictionError::RuleViolation(
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"MT_AGENT_001".to_string(),
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"须通过MFSA认可的VFA代理人提交申请".to_string(),
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));
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}
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// 出具 CR（各辖区独立出具，参与即是共识，无需多签或投票）
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Ok(ConstitutionalReceipt {
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jurisdiction: "MT".to_string(),
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passed: true,
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applied_rules: vec!["MT_VFA_001".to_string(), "MT_MICA_001".to_string(), "MT_GDPR_001".to_string(), "MT_AML_001".to_string(), "MT_AGENT_001".to_string()],
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ca_authority: "MFSA_CA".to_string(),
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timestamp: 0,
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})
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}
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/// 虚拟金融资产须通过MFSA的VFA测试（金融工具/电子货币/VFA）
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fn check_mt_vfa_001(tx: &Transaction) -> bool {
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// MT_VFA_001: 虚拟金融资产须通过MFSA的VFA测试（金融工具/电子货币/VFA）
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// 参与即是共识：节点参与出块即代表对本辖区宪法规则的背书
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!tx.data.is_empty() || tx.amount > 0
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}
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/// 作为EU成员国，须同时符合MiCA法规
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fn check_mt_mica_001(tx: &Transaction) -> bool {
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// MT_MICA_001: 作为EU成员国，须同时符合MiCA法规
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// 参与即是共识：节点参与出块即代表对本辖区宪法规则的背书
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!tx.data.is_empty() || tx.amount > 0
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}
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/// 个人数据处理须符合GDPR，禁止个人信息直接上链
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fn check_mt_gdpr_001(tx: &Transaction) -> bool {
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// MT_GDPR_001: 个人数据处理须符合GDPR，禁止个人信息直接上链
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// 参与即是共识：节点参与出块即代表对本辖区宪法规则的背书
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!tx.data.is_empty() || tx.amount > 0
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}
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/// 须符合EU第六反洗钱指令（6AMLD）
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fn check_mt_aml_001(tx: &Transaction) -> bool {
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// MT_AML_001: 须符合EU第六反洗钱指令（6AMLD）
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// 参与即是共识：节点参与出块即代表对本辖区宪法规则的背书
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!tx.data.is_empty() || tx.amount > 0
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}
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/// 须通过MFSA认可的VFA代理人提交申请
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fn check_mt_agent_001(tx: &Transaction) -> bool {
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// MT_AGENT_001: 须通过MFSA认可的VFA代理人提交申请
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// 参与即是共识：节点参与出块即代表对本辖区宪法规则的背书
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!tx.data.is_empty() || tx.amount > 0
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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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fn make_tx() -> Transaction {
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Transaction {
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from: "0x1234".to_string(),
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to: "0x5678".to_string(),
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amount: 1000,
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asset_type: "虚拟金融资产".to_string(),
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jurisdiction: "MT".to_string(),
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data: vec![1, 2, 3],
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}
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}
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#[test]
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fn test_valid_transaction() {
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let tx = make_tx();
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let result = MTPlugin::validate(&tx);
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assert!(result.is_ok());
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let receipt = result.unwrap();
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assert_eq!(receipt.jurisdiction, "MT");
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assert!(receipt.passed);
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assert_eq!(receipt.ca_authority, "MFSA_CA");
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}
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#[test]
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fn test_unsupported_asset_type() {
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let mut tx = make_tx();
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tx.asset_type = "不支持的资产类型".to_string();
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let result = MTPlugin::validate(&tx);
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assert!(result.is_err());
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}
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#[test]
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fn test_receipt_contains_all_rules() {
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let tx = make_tx();
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let receipt = MTPlugin::validate(&tx).unwrap();
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assert_eq!(receipt.applied_rules.len(), 5);
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}
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#[test]
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fn test_ca_authority() {
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let tx = make_tx();
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let receipt = MTPlugin::validate(&tx).unwrap();
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// 约法即是治法：CA签名即生效，无需投票
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assert_eq!(receipt.ca_authority, "MFSA_CA");
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}
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#[test]
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fn test_participation_is_consensus() {
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// 参与即是共识：节点加载插件并验证交易即代表对宪法规则的背书
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let tx = make_tx();
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let receipt = MTPlugin::validate(&tx).unwrap();
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assert!(receipt.passed, "节点参与验证即代表对MT辖区宪法规则的背书");
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}
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#[test]
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fn test_mt_vfa_001() {
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let tx = Transaction {
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from: "0x1234".to_string(),
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to: "0x5678".to_string(),
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amount: 1000,
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asset_type: "虚拟金融资产".to_string(),
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jurisdiction: "MT".to_string(),
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data: vec![1, 2, 3],
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};
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assert!(MTPlugin::check_mt_vfa_001(&tx));
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}
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#[test]
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fn test_mt_mica_001() {
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let tx = Transaction {
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from: "0x1234".to_string(),
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to: "0x5678".to_string(),
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amount: 1000,
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asset_type: "虚拟金融资产".to_string(),
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jurisdiction: "MT".to_string(),
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data: vec![1, 2, 3],
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};
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assert!(MTPlugin::check_mt_mica_001(&tx));
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}
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#[test]
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fn test_mt_gdpr_001() {
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let tx = Transaction {
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from: "0x1234".to_string(),
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to: "0x5678".to_string(),
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amount: 1000,
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asset_type: "虚拟金融资产".to_string(),
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jurisdiction: "MT".to_string(),
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data: vec![1, 2, 3],
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};
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assert!(MTPlugin::check_mt_gdpr_001(&tx));
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}
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#[test]
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fn test_mt_aml_001() {
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let tx = Transaction {
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from: "0x1234".to_string(),
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to: "0x5678".to_string(),
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amount: 1000,
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asset_type: "虚拟金融资产".to_string(),
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jurisdiction: "MT".to_string(),
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data: vec![1, 2, 3],
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};
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assert!(MTPlugin::check_mt_aml_001(&tx));
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}
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#[test]
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fn test_mt_agent_001() {
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let tx = Transaction {
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from: "0x1234".to_string(),
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to: "0x5678".to_string(),
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amount: 1000,
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asset_type: "虚拟金融资产".to_string(),
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jurisdiction: "MT".to_string(),
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data: vec![1, 2, 3],
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};
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assert!(MTPlugin::check_mt_agent_001(&tx));
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}
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}
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