Reads and validates entry.metadata.contractPrice (cents per contract, 1..99). Throws DfsEngineInvariantError when absent or out of range — a binary contract cannot be priced without it.
entry.metadata.contractPrice
DfsEngineInvariantError
Reads and validates
entry.metadata.contractPrice(cents per contract, 1..99). ThrowsDfsEngineInvariantErrorwhen absent or out of range — a binary contract cannot be priced without it.