POST /#ChainNotify
POST /#ChainHead
POST /#ChainGetBlock
POST /#ChainGetTipSet
POST /#ChainGetBlockMessages
POST /#ChainGetParentReceipts
POST /#ChainGetParentMessages
POST /#ChainGetTipSetByHeight
POST /#ChainReadObj
POST /#ChainHasObj
POST /#ChainStatObj
POST /#ChainGetGenesis
POST /#ChainTipSetWeight
POST /#ChainGetMessage
POST /#ChainGetPath
to ^ from tAA ^ ^ tBA tAB ^---*--^ ^ tRR“
Would return [revert(tBA), apply(tAB), apply(tAA)]