DV8 POS Reward scheme

Fixed 500% except blocks ending in-
08,88 – 10000%
11,77,99 – 7500%
00,22,33,44,55,66 – 5000%
18,28,38,48,58,68 – 2000%
05,12,15,25,32,35,42,45,52,62,72,75,82,85,92,95 – 1000%