Replaces the class hash of the current contract, instantly modifying its entrypoints. The new class becomes effective only after the current function call completes. The remaining code in the current function will continue executing from the old class. The new class will be used:
  • In subsequent transactions
  • If the contract is called via call_contract syscall later in the same transaction

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Signature

pub extern fn replace_class_syscall(class_hash: ClassHash) -> Result> implicits(GasBuiltin, System) nopanic;

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Arguments

  • class_hash - The class hash that should replace the current one.