[CSL-1307] Throw Internal error instead of logWarning, fix mismatched tip
[CSL-1307] Throw Internal error instead of logWarning, fix mismatched tip

input-output-hk/cardano-sl,input-output-hk/pos-haskell-prototype,input-output-hk/cardano-sl,input-output-hk/pos-haskell-prototype,input-output-hk/cardano-sl,input-output-hk/pos-haskell-prototype,input-output-hk/cardano-sl