// NAC公链宪法增补条款 - infrastructure

clause A04_CbppConsensus
  name: "CBPP为唯一共识协议"
  description: "区块生产必须遵循CBPP协议，禁止PoS/PoW"
  predicate: consensus.protocol == "CBPP"
  obligation: system.reject_non_cbpp_blocks per_block
  test: A04_test_cbpp_only

clause A05_CsnpNetwork
  name: "CSNP为唯一网络协议"
  description: "节点通信必须使用CSNP，禁止以太坊P2P"
  predicate: network.protocol == "CSNP"
  obligation: system.reject_non_csnp_peers per_block
  test: A05_test_csnp_only

clause A06_NacLensProtocol
  name: "NAC_lens为唯一通信接口"
  description: "所有外部通信必须通过NAC_lens，禁止RPC"
  predicate: interface.protocol == "NAC_lens"
  obligation: system.reject_rpc_calls per_block
  test: A06_test_nac_lens_only

clause A07_Acc20Standard
  name: "ACC-20为唯一代币标准"
  description: "代币合约必须遵循ACC-20标准，禁止ERC-20"
  predicate: token.standard == "ACC-20"
  obligation: system.reject_non_acc20_tokens per_block
  test: A07_test_acc20_only

clause A08_CnnlGovernance
  name: "CNNL为宪法治理语言"
  description: "宪法条款变更必须通过CNNL形式化表达"
  predicate: governance.language == "CNNL"
  obligation: system.require_cnnl_for_amendments per_epoch
  test: A08_test_cnnl_governance