// NAC公链宪法增补条款 - xtzh_currency

clause A25_XtzhGoldBacking
  name: "XTZH黄金储备支撑"
  description: "XTZH必须有至少40%黄金储备支撑"
  predicate: xtzh.reserve_ratio >= 4000
  obligation: xtzh.maintain_gold_reserve per_epoch
  test: A25_test_gold_backing

clause A26_SdrPeg
  name: "XTZH SDR锚定"
  description: "XTZH价值锚定SDR货币篮子"
  predicate: xtzh.peg_mechanism == "SDR"
  obligation: xtzh.maintain_sdr_peg per_block
  test: A26_test_sdr_peg

clause A27_XtzhMintAuth
  name: "XTZH铸造授权"
  description: "XTZH铸造必须有宪法授权和黄金证明"
  predicate: mint.has_cr == true
  obligation: xtzh.require_mint_authorization per_block
  test: A27_test_mint_auth

clause A28_XtzhBurnProcess
  name: "XTZH销毁赎回流程"
  description: "XTZH销毁必须触发黄金赎回流程"
  predicate: burn.triggers_gold_redemption == true
  obligation: xtzh.enforce_burn_redemption per_block
  test: A28_test_burn_redemption

clause A29_XtzhAudit
  name: "XTZH季度审计"
  description: "XTZH储备必须每季度审计一次"
  predicate: xtzh.last_audit_days <= 90
  obligation: xtzh.require_quarterly_audit per_epoch
  test: A29_test_quarterly_audit

clause A30_XtzhCustodian
  name: "黄金保管机构多元化"
  description: "黄金必须由3-7家独立机构保管"
  predicate: xtzh.custodian_count >= 3
  obligation: xtzh.enforce_custodian_diversity per_epoch
  test: A30_test_custodian_count

clause A31_XtzhEmergency
  name: "XTZH紧急冻结"
  description: "储备率低于30%时自动触发紧急冻结"
  predicate: xtzh.reserve_ratio >= 3000
  obligation: xtzh.auto_freeze_on_crisis per_block
  test: A31_test_emergency_freeze

clause A32_XtzhTransparency
  name: "XTZH储备透明度"
  description: "XTZH储备信息实时链上公开"
  predicate: xtzh.reserve_public == true
  obligation: xtzh.publish_reserve_data per_block
  test: A32_test_reserve_transparency