Constant zebra_chain::parameters::subsidy::MAX_BLOCK_SUBSIDY

pub const MAX_BLOCK_SUBSIDY: u64 = _; // 1_250_000_000u64

The largest block subsidy, used before the first halving.

We use 25 / 2 instead of 12.5, so that we can calculate the correct value without using floating-point. This calculation is exact, because COIN is divisible by 2, and the division is done last.