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* [NOD-1055] Give higher priority for requesting missing ancestors when sending a getdata message (#767) * [NOD-1063] Remove the remainingInterval field. * [NOD-1063] Add helper functions to reachabilityTreeNode. * [NOD-1063] Add reachabilityReindexRoot. * [NOD-1063] Start implementing findNextReachabilityReindexRoot. * [NOD-1063] Implement findCommonAncestor. * [NOD-1063] Implement findReachabilityTreeAncestorInChildren. * [NOD-1063] Add reachabilityReindexWindow. * [NOD-1063] Fix findReachabilityTreeAncestorInChildren. * [NOD-1063] Remove BlockDAG reference in findReachabilityTreeAncestorInChildren. * [NOD-1063] Extract updateReachabilityReindexRoot to a separate function. * [NOD-1063] Add reachabilityReindexSlack. * [NOD-1063] Implement splitReindexRootChildrenAroundChosen. * [NOD-1063] Implement calcReachabilityTreeNodeSizes. * [NOD-1063] Implement propagateChildIntervals. * [NOD-1063] Extract tightenReachabilityTreeIntervalsBeforeChosenReindexRootChild and tightenReachabilityTreeIntervalsAfterChosenReindexRootChild to separate functions. * [NOD-1063] Implement expandReachabilityTreeIntervalInChosenReindexRootChild. * [NOD-1063] Finished implementing concentrateReachabilityTreeIntervalAroundReindexRootChild. * [NOD-1063] Begin implementing reindexIntervalsBeforeReindexRoot. * [NOD-1063] Implement top-level logic of reindexIntervalsBeforeReindexRoot. * [NOD-1063] Implement reclaimIntervalBeforeChosenChild. * [NOD-1063] Add a debug log for reindexIntervalsBeforeReindexRoot. * [NOD-1063] Rename reindexIntervalsBeforeReindexRoot to reindexIntervalsEarlierThanReindexRoot. * [NOD-1063] Implement reclaimIntervalAfterChosenChild. * [NOD-1063] Add a debug log for updateReachabilityReindexRoot. * [NOD-1063] Convert modifiedTreeNodes from slices to sets. * [NOD-1063] Fix findCommonAncestor. * [NOD-1063] Fix reindexIntervalsEarlierThanReindexRoot.` * [NOD-1063] Remove redundant nil conditions. * [NOD-1063] Make map[*reachabilityTreeNode]struct{} into a type alias with a copyAllFrom method. * [NOD-1063] Remove setInterval. * [NOD-1063] Create a new struct to hold reachability stuff called reachabilityTree. * [NOD-1063] Rename functions under reachabilityTree. * [NOD-1063] Move reachabilityStore into reachabilityTree. * [NOD-1063] Move the rest of the functions in reachability.go into the reachabilityTree struct. * [NOD-1063] Update newReachabilityTree to take an instance of reachabilityStore. * [NOD-1063] Fix merge errors. * [NOD-1063] Fix merge errors. * [NOD-1063] Pass a reference to the dag into reachabilityTree. * [NOD-1063] Use Wrapf instead of Errorf. * [NOD-1063] Merge assignments. * [NOD-1063] Disambiguate a varaible name. * [NOD-1063] Add a test case for intervalBefore. * [NOD-1063] Simplify splitChildrenAroundChosenChild. * [NOD-1063] Fold temporary variables into newReachabilityInterval. * [NOD-1063] Fold more temporary variables into newReachabilityInterval. * [NOD-1063] Fix a bug in expandIntervalInReindexRootChosenChild. * [NOD-1063] Remove blockNode from futureCoveringBlock. * [NOD-1063] Get rid of futureCoveringBlock. * [NOD-1063] Use findIndex directly in findAncestorAmongChildren. * [NOD-1063] Make findIndex a bit nicer to use. Also rename it to findAncestorIndexOfNode. * [NOD-1063] Rename childIntervalAllocationRange to intervalRangeForChildAllocation. * [NOD-1063] Optimize findCommonAncestor. * [NOD-1063] In reindexIntervalsBeforeChosenChild, use chosenChild.interval.start - 1 instead of childrenBeforeChosen[len(childrenBeforeChosen)-1].interval.end + 1. * [NOD-1063] Rename reindexIntervalsBeforeChosenChild to reindexIntervalsBeforeNode. * [NOD-1063] Add a comment explain what "the chosen child" is. * [NOD-1063] In concentrateIntervalAroundReindexRootChosenChild, rename modifiedTreeNodes to allModifiedTreeNodes. * [NOD-1063] Extract propagateIntervals to a function. * [NOD-1063] Extract interval "contains" logic to a separate function. * [NOD-1063] Simplify "looping up" logic in reclaimIntervalXXXChosenChild. * [NOD-1063] Add comments to reclaimIntervalXXXChosenChild. * [NOD-1063] Rename copyAllFrom to addAll. * [NOD-1063] Rename reachabilityStore (the variable) to just store. * [NOD-1063] Fix an error message. * [NOD-1063] Reword a comment. * [NOD-1063] Don't return -1 from findAncestorIndexOfNode. * [NOD-1063] Extract slackReachabilityIntervalForReclaiming to a constant. * [NOD-1063] Add a missing condition. * [NOD-1063] Call isAncestorOf directly in insertNode. * [NOD-1063] Rename chosenReindexRootChild to reindexRootChosenChild. * [NOD-1063] Rename treeNodeSet to orderedTreeNodeSet. * [NOD-1063] Add a disclaimer to orderedTreeNodeSet. * [NOD-1063] Implement StoreReachabilityReindexRoot and FetchReachabilityReindexRoot. * [NOD-1063] Move storing the reindex root to within reachabilityTree. * [NOD-1063] Remove isAncestorOf from reachabilityInterval. * [NOD-1063] Add a comment about graph theory conventions. * [NOD-1063] Fix tests. * [NOD-1063] Change inclusion in isAncestorOf functions. * [NOD-1063] Rename a test. * [NOD-1063] Implement TestIsInFuture. * [NOD-1063] Fix error messages in TestIsInFuture. * [NOD-1063] Fix error messages in TestIsInFuture. * [NOD-1063] Rename isInSelectedParentChain to isInSelectedParentChainOf. * [NOD-1063] Rename isInFuture to isInPast. * [NOD-1063] Expand on a comment. * [NOD-1063] Rename modifiedTreeNodes. * [NOD-1063] Implement test: TestReindexIntervalsEarlierThanReindexRoot. * [NOD-1063] Implement test: TestUpdateReindexRoot. * [NOD-1063] Explain a check. * [NOD-1063] Use a method instead of calling reachabilityStore.loaded directly. * [NOD-1063] Lowercasified an error message. * [NOD-1063] Fix failing test. Co-authored-by: Ori Newman <orinewman1@gmail.com>
Kaspad
Warning: This is pre-alpha software. There's no guarantee anything works.
Kaspad is the reference full node Kaspa implementation written in Go (golang).
This project is currently under active development and is in a pre-Alpha state. Some things still don't work and APIs are far from finalized. The code is provided for reference only.
Requirements
Latest version of Go (currently 1.13).
Installation
Build from Source
-
Install Go according to the installation instructions here: http://golang.org/doc/install
-
Ensure Go was installed properly and is a supported version:
$ go version
$ go env GOROOT GOPATH
NOTE: The GOROOT and GOPATH above must not be the same path. It is
recommended that GOPATH is set to a directory in your home directory such as
~/dev/go to avoid write permission issues. It is also recommended to add
$GOPATH/bin to your PATH at this point.
- Run the following commands to obtain and install kaspad including all dependencies:
$ git clone https://github.com/kaspanet/kaspad $GOPATH/src/github.com/kaspanet/kaspad
$ cd $GOPATH/src/github.com/kaspanet/kaspad
$ ./test.sh
$ go install . ./cmd/...
./test.sh tests can be skipped, but some things might not run correctly on your system if tests fail.
- Kaspad (and utilities) should now be installed in
$GOPATH/bin. If you did not already add the bin directory to your system path during Go installation, you are encouraged to do so now.
Getting Started
Kaspad has several configuration options available to tweak how it runs, but all of the basic operations work with zero configuration.
Linux/BSD/POSIX/Source
$ ./kaspad
Discord
Join our discord server using the following link: https://discord.gg/WmGhhzk
Issue Tracker
The integrated github issue tracker is used for this project.
Documentation
The documentation is a work-in-progress. It is located in the docs folder.
License
Kaspad is licensed under the copyfree ISC License.