Download and verify hash.keys
For more details on the secret keys see secrets
Verify that the secret used hashes to the hash listed for for 2012-07-20 in hash.keys
sha256(1ZFNujtEfiKhvPUhyHm4Ue1ux4pxTl5wa0UbQf7MhJF6mCvwpJHN7mOwiiL3Z91N) -> 4af6d6551aa54caf0676c01e15b74e849996fa29ffc99ab8b0ef4b2e579559b3
Verify that the hmac sha512 with secret and transaction_id hash to the bet hash
hmac_sha512(1ZFNujtEfiKhvPUhyHm4Ue1ux4pxTl5wa0UbQf7MhJF6mCvwpJHN7mOwiiL3Z91N,cc97b0aa3bc06eda3d3895f02bb702737a2a836cbbb0619182f1608f72c5d422) -> 31fad20b97ce20030d54567d39bde0e2818f37ae61521847c38e8aa07001b07f hmac512
Verify that the first bytes of the bet hash above is the lucky number
31fad20b97ce20030d54567d39bde0e2818f37ae61521847c38e8aa07001b07f -> 31fa -> 12794