mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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1b5b8a57e0
* Update io_kubernetes_build commit hash to 1246899 * Update dependency build_bazel_rules_nodejs to v0.33.1 * Update dependency com_github_hashicorp_golang_lru to v0.5.1 * Update libp2p * Update io_bazel_rules_k8s commit hash to e68d5d7 * Starting to remove old protos * Bazel build proto passes * Fixing pb version * Cleaned up core package * Fixing tests * 6 tests failing * Update proto bugs * Fixed incorrect validator ordering proto * Sync with master * Update go-ssz commit * Removed bad copies from v1alpha1 folder * add json spec json to pb handler * add nested proto example * proto/testing test works * fix refactoring build failures * use merged ssz * push latest changes * used forked json encoding * used forked json encoding * fix warning * fix build issues * fix test and lint * fix build * lint
62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
package helpers
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import (
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"fmt"
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"math/big"
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"github.com/prysmaticlabs/go-ssz"
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ethpb "github.com/prysmaticlabs/prysm/proto/eth/v1alpha1"
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)
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// VoteHierarchyMap struct that holds all the relevant data in order to count and
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// choose the best vote.
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type VoteHierarchyMap struct {
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BestVote *ethpb.Eth1Data
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bestVoteHeight *big.Int
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mostVotes uint64
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voteCountMap map[string]voteHierarchy
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}
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// voteHierarchy is a structure we use in order to count deposit votes and
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// break ties between similarly voted deposits
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type voteHierarchy struct {
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votes uint64
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height *big.Int
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eth1Data *ethpb.Eth1Data
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}
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// EmptyVoteHierarchyMap creates and returns an empty VoteHierarchyMap.
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func EmptyVoteHierarchyMap() *VoteHierarchyMap {
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vm := &VoteHierarchyMap{}
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vm.voteCountMap = make(map[string]voteHierarchy)
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return vm
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}
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// CountVote takes a votecount map and adds the given vote to it in the relevant
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// position while updating the best vote, most votes and best vote hash.
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func CountVote(voteMap *VoteHierarchyMap, vote *ethpb.Eth1Data, blockHeight *big.Int) (*VoteHierarchyMap, error) {
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he, err := ssz.HashedEncoding(vote)
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if err != nil {
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return &VoteHierarchyMap{}, fmt.Errorf("could not get encoded hash of eth1data object: %v", err)
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}
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v, ok := voteMap.voteCountMap[string(he[:])]
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if !ok {
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v = voteHierarchy{votes: 1, height: blockHeight, eth1Data: vote}
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voteMap.voteCountMap[string(he[:])] = v
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} else {
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v.votes = v.votes + 1
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voteMap.voteCountMap[string(he[:])] = v
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}
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if v.votes > voteMap.mostVotes {
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voteMap.mostVotes = v.votes
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voteMap.BestVote = vote
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voteMap.bestVoteHeight = blockHeight
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} else if v.votes == voteMap.mostVotes && v.height.Cmp(voteMap.bestVoteHeight) == 1 {
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//breaking ties by favoring votes with higher block height.
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voteMap.BestVote = vote
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voteMap.bestVoteHeight = v.height
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}
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return voteMap, nil
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}
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