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,b2d2fac962132dc4c48015f8ec818740bf0e392461f72e383bca1c739b0331df) -> 623284bc668de76eef67ed40c4012179fe89b0382644754ba81c3685bb0f7212 hmac512
Verify that the first bytes of the bet hash above is the lucky number
623284bc668de76eef67ed40c4012179fe89b0382644754ba81c3685bb0f7212 -> 6232 -> 25138