==== Use of tx.origin ====
SWC ID: 111
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
--------------------