Function decodeStackItem

packages/cashscript/src/debugging.ts:292–305

(element: StackItem, stack: Uint8Array[])

};

const decodeStackItem = (element: StackItem, stack: Uint8Array[]): string | bigint | boolean => {
  // Reversed since stack is in reverse order
  const stackItem = [...stack].reverse()[element.stackIndex];

  if (!stackItem) {
    throw Error(`Stack item at index ${element.stackIndex} not found at instruction pointer ${element.ip}`);
  }

  if (element.type === PrimitiveType.BOOL) return decodeBool(stackItem);
  if (element.type === PrimitiveType.INT) return decodeInt(stackItem);
  if (element.type === PrimitiveType.STRING) return decodeString(stackItem);

  return `0x${binToHex(stackItem)}`;
};

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