New utility methods for Common (loosely connected to Eth64 implementation) #805
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Related to ethereumjs/ethereumjs-devp2p#82
This PR adds the following methods to the
Common
library together with associated tests:nextHardforkBlock()
- Returns the next HF block for a HF provided or setisNextHardforkBlock()
- Some convenience additional utility method, matching the existinghardforkBlock()
/isHardforkBlock()
method setuphardforkForForkHash()
- Returns the data available for a HF given a specific forkHashAll functions are triggered by needs of the Eth64 implementation, but will likely - especially the first two next-HF-block functions also be useful in other contexts, e.g. for switching the HF setting on the client along block download.