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-rw-r--r--core/shard_test.go225
1 files changed, 0 insertions, 225 deletions
diff --git a/core/shard_test.go b/core/shard_test.go
deleted file mode 100644
index 84f230b..0000000
--- a/core/shard_test.go
+++ /dev/null
@@ -1,225 +0,0 @@
-// 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 (
- "math/rand"
- "testing"
- "time"
-
- "github.com/dexon-foundation/dexon-consensus-core/common"
- "github.com/dexon-foundation/dexon-consensus-core/core/blockdb"
- "github.com/dexon-foundation/dexon-consensus-core/core/crypto/ecdsa"
- "github.com/dexon-foundation/dexon-consensus-core/core/test"
- "github.com/dexon-foundation/dexon-consensus-core/core/types"
- "github.com/stretchr/testify/suite"
-)
-
-// testShardMgr wraps compaction chain and shard.
-type testShardMgr struct {
- shard *Shard
- ccModule *compactionChain
- app *test.App
- db blockdb.BlockDatabase
-}
-
-func (mgr *testShardMgr) prepareBlock(
- chainID uint32) (b *types.Block, err error) {
-
- b = &types.Block{
- Position: types.Position{
- ChainID: chainID,
- }}
- err = mgr.shard.PrepareBlock(b, time.Now().UTC())
- return
-}
-
-// Process describes the usage of Shard.ProcessBlock.
-func (mgr *testShardMgr) processBlock(b *types.Block) (err error) {
- var (
- delivered []*types.Block
- verified []*types.Block
- pendings = []*types.Block{b}
- )
- if err = mgr.shard.SanityCheck(b); err != nil {
- if err == ErrAckingBlockNotExists {
- err = nil
- }
- return
- }
- for {
- if len(pendings) == 0 {
- break
- }
- b, pendings = pendings[0], pendings[1:]
- if verified, delivered, err = mgr.shard.ProcessBlock(b); err != nil {
- return
- }
- // Deliver blocks.
- for _, b = range delivered {
- if err = mgr.ccModule.processBlock(b); err != nil {
- return
- }
- if err = mgr.db.Update(*b); err != nil {
- return
- }
- mgr.app.BlockDelivered(*b)
- }
- // Update pending blocks for verified block (pass sanity check).
- pendings = append(pendings, verified...)
- }
- return
-}
-
-type ShardTestSuite struct {
- suite.Suite
-}
-
-func (s *ShardTestSuite) newTestShardMgr(cfg *types.Config) *testShardMgr {
- var req = s.Require()
- // Setup private key.
- prvKey, err := ecdsa.NewPrivateKey()
- req.Nil(err)
- // Setup blockdb.
- db, err := blockdb.NewMemBackedBlockDB()
- req.Nil(err)
- // Setup application.
- app := test.NewApp()
- // Setup shard.
- return &testShardMgr{
- ccModule: newCompactionChain(db),
- app: app,
- db: db,
- shard: NewShard(
- cfg,
- NewAuthenticator(prvKey),
- app,
- app,
- db)}
-}
-
-func (s *ShardTestSuite) TestBasicUsage() {
- // One shard prepare blocks on chains randomly selected each time
- // and process it. Those generated blocks and kept into a buffer, and
- // process by other shard instances with random order.
- var (
- blockNum = 100
- chainNum = uint32(19)
- otherShardNum = 20
- req = s.Require()
- err error
- cfg = types.Config{
- NumChains: chainNum,
- PhiRatio: float32(2) / float32(3),
- K: 0,
- MinBlockInterval: 0,
- MaxBlockInterval: 3000 * time.Second,
- }
- master = s.newTestShardMgr(&cfg)
- apps = []*test.App{master.app}
- revealSeq = map[string]struct{}{}
- )
- // Master-shard generates blocks.
- for i := uint32(0); i < chainNum; i++ {
- // Produce genesis blocks should be delivered before all other blocks,
- // or the consensus time would be wrong.
- b, err := master.prepareBlock(i)
- req.NotNil(b)
- req.Nil(err)
- // We've ignored the error for "acking blocks don't exist".
- req.Nil(master.processBlock(b))
- }
- for i := 0; i < (blockNum - int(chainNum)); i++ {
- b, err := master.prepareBlock(uint32(rand.Intn(int(chainNum))))
- req.NotNil(b)
- req.Nil(err)
- // We've ignored the error for "acking blocks don't exist".
- req.Nil(master.processBlock(b))
- }
- // Now we have some blocks, replay them on different shards.
- iter, err := master.db.GetAll()
- req.Nil(err)
- revealer, err := test.NewRandomRevealer(iter)
- req.Nil(err)
- for i := 0; i < otherShardNum; i++ {
- revealer.Reset()
- revealed := ""
- other := s.newTestShardMgr(&cfg)
- for {
- b, err := revealer.Next()
- if err != nil {
- if err == blockdb.ErrIterationFinished {
- err = nil
- break
- }
- }
- req.Nil(err)
- req.Nil(other.processBlock(&b))
- revealed += b.Hash.String() + ","
- revealSeq[revealed] = struct{}{}
- }
- apps = append(apps, other.app)
- }
- // Make sure not only one revealing sequence.
- req.True(len(revealSeq) > 1)
- // Make sure nothing goes wrong.
- for i, app := range apps {
- req.Nil(app.Verify())
- for j, otherApp := range apps {
- if i >= j {
- continue
- }
- req.Nil(app.Compare(otherApp))
- }
- }
-}
-
-func (s *ShardTestSuite) TestSanityCheck() {
- // This sanity check focuses on hash/signature part.
- var (
- chainNum = uint32(19)
- cfg = types.Config{
- NumChains: chainNum,
- PhiRatio: float32(2) / float32(3),
- K: 0,
- MinBlockInterval: 0,
- MaxBlockInterval: 3000 * time.Second,
- }
- shard = s.newTestShardMgr(&cfg).shard
- auth = shard.authModule // Steal auth module from shard, :(
- req = s.Require()
- err error
- )
- // A block properly signed should pass sanity check.
- b := &types.Block{
- Position: types.Position{ChainID: 0},
- }
- req.NoError(auth.SignBlock(b))
- req.NoError(shard.SanityCheck(b))
- // A block with incorrect signature should not pass sanity check.
- b.Signature, err = auth.prvKey.Sign(common.NewRandomHash())
- req.NoError(err)
- req.Equal(shard.SanityCheck(b), ErrIncorrectSignature)
- // A block with incorrect hash should not pass sanity check.
- b.Hash = common.NewRandomHash()
- req.Equal(shard.SanityCheck(b), ErrIncorrectHash)
-}
-
-func TestShard(t *testing.T) {
- suite.Run(t, new(ShardTestSuite))
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-26 11:42:20 +0800