3530b8300c
We used to hash the hash of the header, needlessly. This also makes a few function signatures more explicit. Note that this is consensus breaking and should be accompanied with a similar change on the cuckoo-pow repository: https://github.com/mimblewimble/cuckoo-miner/commit/6fcecf516a111424d8bd5542fe20250e4f02cd8f Fixes #1066