battle (address attacker, uint256 pointsattacker, address defender, uint256 pointsdefender)
[topic 0]:0x9a6711bd12448549c8fdb9001f9e0681e5913c10562075129be867d61a0651d2
0x000000000000000000000000d806c99545a0774cc83f8b1b7e0547fc86c12c75000000000000000000000000000000000000000000000000000000021afcddb100000000000000000000000019eb66b76153baacc77771952be11aa870a02794000000000000000000000000000000000000000000000000000000021afcddb1