Official Repository now has the configuration parameter ‘v2compatible’ available for testing external miner/proxy against proposed v0.2 protocol. v0.2 protocol contains an extra constraint on block header hash, that it must pass Fermat test of base 2.
primecoind -testnet -daemon -v2compatible
primecoind -daemon -v2compatible
This would enable v0.2 protocol check on ‘getwork’ and ‘submitblock’ rpc calls.
Note: we would allow at least multiple month time window for miner developers to update the miners to support v0.2 protocol. This is only a testing switch for miner developers and pool operators. Protocol switch has not been scheduled yet for primecoin network.