Move chainheads to blockchain pkg #8700
Merged
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What type of PR is this?
What does this PR do? Why is it needed?
Park
Chainheads
implementation in toBlockchain
service instead ofprotoarray
service. It's a better place for this.A good follow up issue will be to tighly couple proto array fork choice under blockchain service. Seems like it's exclusively used for blockchain while other services don't really need it