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[NOD-665] Initialize blockNode blueScore to be MaxUint64 by default (#590)

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* [NOD-665] Initialize blockNode blueScore to be MaxUint64 by default.

* [NOD-665] Remove redundant err declaration.
This commit is contained in:
stasatdaglabs 2020-01-19 15:21:43 +02:00 committed by Ori Newman
parent 38883d1a98
commit 045984e6b9
1 changed files with 11 additions and 6 deletions
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17
blockdag/blocknode.go
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@ -7,6 +7,7 @@ package blockdag
import (
"fmt"
"github.com/pkg/errors"
"math"
"time"
"github.com/kaspanet/kaspad/util/daghash"
@ -112,6 +113,7 @@ func (dag *BlockDAG) newBlockNode(blockHeader *wire.BlockHeader, parents blockSe
node = &blockNode{
parents: parents,
children: make(blockSet),
blueScore: math.MaxUint64, // Initialized to the max value to avoid collisions with the genesis block
timestamp: dag.timeSource.AdjustedTime().Unix(),
bluesAnticoneSizes: make(map[daghash.Hash]uint32),
}
@ -130,12 +132,15 @@ func (dag *BlockDAG) newBlockNode(blockHeader *wire.BlockHeader, parents blockSe
node.hash = &daghash.ZeroHash
}
if len(parents) > 0 {
var err error
selectedParentAnticone, err = dag.ghostdag(node)
if err != nil {
panic(errors.Wrap(err, "unexpected error in GHOSTDAG"))
}
if len(parents) == 0 {
// The genesis block is defined to have a blueScore of 0
node.blueScore = 0
return node, nil
}
selectedParentAnticone, err := dag.ghostdag(node)
if err != nil {
panic(errors.Wrap(err, "unexpected error in GHOSTDAG"))
}
return node, selectedParentAnticone
}