Function failedFinalVerify

packages/cashscript/src/debugging.ts:307–319

(evaluationResult: string | true)

};

const failedFinalVerify = (evaluationResult: string | true): evaluationResult is string => {
  // true indicates a successful evaluation (so no failed final verify)
  if (evaluationResult === true) return false;

  // If any of the following errors occurred, then the final verify failed - any other messages
  // indicate other kinds of failures
  return toRegExp([
    // TODO: Ask Jason to put these back into an enum and replace with the enum value
    'The CashAssembly internal evaluation completed with an unexpected number of items on the stack (must be exactly 1).', // AuthenticationErrorCommon.requiresCleanStack,
    'The CashAssembly internal evaluation completed with a non-empty control stack.', // AuthenticationErrorCommon.nonEmptyControlStack,
    AuthenticationErrorCommon.unsuccessfulEvaluation,
  ]).test(evaluationResult);
};

const calculateCleanupSize = (instructions: Array<AuthenticationInstruction | undefined>): number => {
  // OP_NIP (or OP_DROP/OP_2DROP in optimised bytecode) is used for cleanup at the end of a function,