kaspad/blockdag/blocknode_test.go

42 lines
1.5 KiB
Go

package blockdag
import (
"github.com/kaspanet/kaspad/dagconfig"
"github.com/kaspanet/kaspad/util/daghash"
"testing"
)
// This test is to ensure the size BlueAnticoneSizesSize is serialized to the size of KType.
// We verify that by serializing and deserializing the block while making sure that we stay within the expected range.
func TestBlueAnticoneSizesSize(t *testing.T) {
dag, teardownFunc, err := DAGSetup("TestBlueAnticoneSizesSize", Config{
DAGParams: &dagconfig.SimnetParams,
})
if err != nil {
t.Fatalf("TestBlueAnticoneSizesSize: Failed to setup DAG instance: %s", err)
}
defer teardownFunc()
k := dagconfig.KType(0)
k--
if k < dagconfig.KType(0) {
t.Fatalf("KType must be unsigned")
}
blockHeader := dagconfig.SimnetParams.GenesisBlock.Header
node, _ := dag.newBlockNode(&blockHeader, newBlockSet())
fakeBlue := &blockNode{hash: &daghash.Hash{1}}
dag.index.AddNode(fakeBlue)
// Setting maxKType to maximum value of KType.
// As we verify above that KType is unsigned we can be sure that maxKType is indeed the maximum value of KType.
maxKType := ^dagconfig.KType(0)
node.bluesAnticoneSizes[fakeBlue] = maxKType
serializedNode, _ := serializeBlockNode(node)
deserializedNode, _ := dag.deserializeBlockNode(serializedNode)
if deserializedNode.bluesAnticoneSizes[fakeBlue] != maxKType {
t.Fatalf("TestBlueAnticoneSizesSize: BlueAnticoneSize should not change when deserializing. Expected: %v but got %v",
maxKType, deserializedNode.bluesAnticoneSizes[fakeBlue])
}
}