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// Copyright 2018 The dexon-consensus-core Authors
// This file is part of the dexon-consensus-core library.
//
// The dexon-consensus-core library is free software: you can redistribute it
// and/or modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation, either version 3 of the License,
// or (at your option) any later version.
//
// The dexon-consensus-core library is distributed in the hope that it will be
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
// General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the dexon-consensus-core library. If not, see
// <http://www.gnu.org/licenses/>.
package core
import (
"testing"
"github.com/dexon-foundation/dexon-consensus-core/core/crypto"
"github.com/dexon-foundation/dexon-consensus-core/core/crypto/ecdsa"
"github.com/dexon-foundation/dexon-consensus-core/core/types"
"github.com/stretchr/testify/suite"
)
type testGov struct {
s *NodeSetCacheTestSuite
curKeys []crypto.PublicKey
}
func (g *testGov) GetConfiguration(round uint64) (cfg *types.Config) { return }
func (g *testGov) GetCRS(round uint64) (b []byte) { return }
func (g *testGov) GetNodeSet(round uint64) []crypto.PublicKey {
// Randomly generating keys, and check them for verification.
g.curKeys = []crypto.PublicKey{}
for i := 0; i < 10; i++ {
prvKey, err := ecdsa.NewPrivateKey()
g.s.Require().NoError(err)
g.curKeys = append(g.curKeys, prvKey.PublicKey())
}
return g.curKeys
}
func (g *testGov) ProposeThresholdSignature(
round uint64, signature crypto.Signature) {
}
func (g *testGov) GetThresholdSignature(
round uint64) (sig crypto.Signature, exists bool) {
return
}
func (g *testGov) AddDKGComplaint(complaint *types.DKGComplaint) {}
func (g *testGov) DKGComplaints(
round uint64) (cs []*types.DKGComplaint) {
return
}
func (g *testGov) AddDKGMasterPublicKey(
masterPublicKey *types.DKGMasterPublicKey) {
}
func (g *testGov) DKGMasterPublicKeys(
round uint64) (keys []*types.DKGMasterPublicKey) {
return
}
type NodeSetCacheTestSuite struct {
suite.Suite
}
func (s *NodeSetCacheTestSuite) TestBasicUsage() {
var (
gov = &testGov{s: s}
cache = NewNodeSetCache(gov)
req = s.Require()
)
chk := func(
cache *NodeSetCache, round uint64, nodeSet map[types.NodeID]struct{}) {
for nID := range nodeSet {
// It should exists.
exists, err := cache.Exists(round, nID)
req.NoError(err)
req.True(exists)
// We could get keys.
key, exists := cache.GetPublicKey(nID)
req.NotNil(key)
req.True(exists)
}
}
// Try to get round 0.
nodeSet0, err := cache.GetNodeIDs(0)
req.NoError(err)
chk(cache, 0, nodeSet0)
// Try to get round 1.
nodeSet1, err := cache.GetNodeIDs(1)
req.NoError(err)
chk(cache, 0, nodeSet0)
chk(cache, 1, nodeSet1)
// Try to get round 6, round 0 should be purged.
nodeSet6, err := cache.GetNodeIDs(6)
req.NoError(err)
chk(cache, 1, nodeSet1)
chk(cache, 6, nodeSet6)
for nID := range nodeSet0 {
_, exists := cache.GetPublicKey(nID)
req.False(exists)
}
}
func TestNodeSetCache(t *testing.T) {
suite.Run(t, new(NodeSetCacheTestSuite))
}
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