* [NOD-1170] Return a custom error when a route is closed
* [NOD-1170] Return ErrRouteClosed directly from route methods
* [NOD-1170] Fix comment location
* [NOD-1125] Write a skeleton for starting IBD.
* [NOD-1125] Add WaitForIBDStart to Peer.
* [NOD-1125] Move functions around.
* [NOD-1125] Fix merge errors.
* [NOD-1125] Fix a comment.
* [NOD-1125] Implement sendGetBlockLocator.
* [NOD-1125] Begin implementing findIBDLowHash.
* [NOD-1125] Finish implementing findIBDLowHash.
* [NOD-1125] Rename findIBDLowHash to findHighestSharedBlockHash.
* [NOD-1125] Implement downloadBlocks.
* [NOD-1125] Implement msgIBDBlock.
* [NOD-1125] Implement msgIBDBlock.
* [NOD-1125] Fix message types for HandleIBD.
* [NOD-1125] Write a skeleton for requesting selected tip hashes.
* [NOD-1125] Write a skeleton for the rest of the IBD requests.
* [NOD-1125] Implement HandleGetBlockLocator.
* [NOD-1125] Fix wrong timeout.
* [NOD-1125] Fix compilation error.
* [NOD-1125] Implement HandleGetBlocks.
* [NOD-1125] Fix compilation errors.
* [NOD-1125] Fix merge errors.
* [NOD-1125] Implement selectPeerForIBD.
* [NOD-1125] Implement RequestSelectedTip.
* [NOD-1125] Implement HandleGetSelectedTip.
* [NOD-1125] Make go lint happy.
* [NOD-1125] Add minGetSelectedTipInterval.
* [NOD-1125] Call StartIBDIfRequired where needed.
* [NOD-1125] Fix merge errors.
* [NOD-1125] Remove a redundant line.
* [NOD-1125] Rename shouldContinue to shouldStop.
* [NOD-1125] Lowercasify an error message.
* [NOD-1125] Shuffle statements around in findHighestSharedBlockHash.
* [NOD-1125] Rename hasRecentlyReceivedBlock to isDAGTimeCurrent.
* [NOD-1125] Scope minGetSelectedTipInterval.
* [NOD-1125] Handle an unhandled error.
* [NOD-1125] Use AddUint32 instead of LoadUint32 + StoreUint32.
* [NOD-1125] Use AddUint32 instead of LoadUint32 + StoreUint32.
* [NOD-1125] Use SwapUint32 instead of AddUint32.
* [NOD-1125] Remove error from requestSelectedTips.
* [NOD-1125] Actually stop IBD when it should stop.
* [NOD-1125] Actually stop RequestSelectedTip when it should stop.
* [NOD-1125] Don't ban peers that send us delayed blocks during IBD.
* [NOD-1125] Make unexpected message type messages nicer.
* [NOD-1125] Remove Peer.ready and make HandleHandshake return it to guarantee we never operate on a non-initialized peer.
* [NOD-1125] Remove errors associated with Peer.ready.
* [NOD-1125] Extract maxHashesInMsgIBDBlocks to a const.
* [NOD-1125] Move the ibd package into flows.
* [NOD-1125] Start IBD if required after getting an unknown block inv.
* [NOD-1125] Don't request blocks during relay if we're in the middle of IBD.
* [NOD-1125] Remove AddBlockLocatorHash.
* [NOD-1125] Extract runIBD to a seperate function.
* [NOD-1125] Extract runSelectedTipRequest to a seperate function.
* [NOD-1125] Remove EnqueueWithTimeout.
* [NOD-1125] Increase the capacity of the outgoingRoute.
* [NOD-1125] Fix some bad names.
* [NOD-1125] Fix a comment.
* [NOD-1125] Simplify a comment.
* [NOD-1125] Move WaitFor... functions into their respective run... functions.
* [NOD-1125] Return default values in case of error.
* [NOD-1125] Use CmdXXX in error messages.
* [NOD-1125] Use MaxInvPerMsg in outgoingRouteMaxMessages instead of MaxBlockLocatorsPerMsg.
* [NOD-1125] Fix a comment.
* [NOD-1125] Disconnect a peer that sends us a delayed block during IBD.
* [NOD-1125] Use StoreUint32 instead of SwapUint32.
* [NOD-1125] Add a comment.
* [NOD-1125] Don't ban peers that send us delayed blocks.
