==== Use of tx.origin ==== SWC ID: 115 Type: Warning Contract: Unknown Function name: transferOwnership(address) PC address: 317 Estimated Gas Usage: 626 - 1051 The function `transferOwnership(address)` retrieves the transaction origin (tx.origin) using the ORIGIN opcode. Use msg.sender instead. See also: https://solidity.readthedocs.io/en/develop/security-considerations.html#tx-origin --------------------