Invariants / CN-LEDGER-08
CN-LEDGER-08
CN true declaredNo input or equivalent spend authority may be consumed more than once in an accepted canonical chain
- Source
classification_table.md §B
Enforcement trace
Code
no enforcing code — gap
Tests 0
no tests named — gap
CI 0
no CI script — gap
Cross-references
Attack rationale
Double-spend safety.
Evidence notes
Fundamental ledger safety property: each input consumed at most once. Evidence: inputs stored as Set + UTxO map deletion on spend in cardano-ledger.