Blockchain service provides IsCanonical getter
#5932
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What type of PR is this?
What does this PR do? Why is it needed?
In preparation for
v0.12, the blockchain service should provide aIsCanonicalgetter for other service to query whether input block root is part of the canonical chain.The first consumer of this is block by range respond. This PR only implements the feature, it's not yet used in the run time. It'll be used in sync run time at the start of
v0.12Other notes for review
Tested locally via blocktree to verify that it's correctly filtered