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authorobscuren <geffobscura@gmail.com>2015-04-30 06:08:43 +0800
committerobscuren <geffobscura@gmail.com>2015-04-30 06:14:41 +0800
commit2590a7dabbf6781734be0c388b46ecd53ece6155 (patch)
tree1341e4c8117aa1aedf33a6c5777678f958aa3c08 /core
parent04c209980bdecb848ae6e397e808e62aecaece39 (diff)
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core: added some additional chain tests for shortest chain
Diffstat (limited to 'core')
-rw-r--r--core/chain_manager.go2
-rw-r--r--core/chain_manager_test.go33
2 files changed, 30 insertions, 5 deletions
diff --git a/core/chain_manager.go b/core/chain_manager.go
index 253228bfd..4fdb2edce 100644
--- a/core/chain_manager.go
+++ b/core/chain_manager.go
@@ -593,7 +593,7 @@ func (self *ChainManager) InsertChain(chain types.Blocks) (int, error) {
}
} else {
if glog.V(logger.Detail) {
- glog.Infof("inserted forked block #%d (%d TXs %d UNCs) (%x...)\n", block.Number(), len(block.Transactions()), len(block.Uncles()), block.Hash().Bytes()[0:4])
+ glog.Infof("inserted forked block #%d (TD=%v) (%d TXs %d UNCs) (%x...)\n", block.Number(), block.Difficulty(), len(block.Transactions()), len(block.Uncles()), block.Hash().Bytes()[0:4])
}
queue[i] = ChainSideEvent{block, logs}
diff --git a/core/chain_manager_test.go b/core/chain_manager_test.go
index 8d1b7865d..50915459b 100644
--- a/core/chain_manager_test.go
+++ b/core/chain_manager_test.go
@@ -9,6 +9,7 @@ import (
"strconv"
"testing"
+ "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
@@ -369,11 +370,8 @@ func makeChainWithDiff(genesis *types.Block, d []int, seed byte) []*types.Block
return chain
}
-func TestReorg(t *testing.T) {
- db, _ := ethdb.NewMemDatabase()
+func chm(genesis *types.Block, db common.Database) *ChainManager {
var eventMux event.TypeMux
-
- genesis := GenesisBlock(db)
bc := &ChainManager{blockDb: db, stateDb: db, genesisBlock: genesis, eventMux: &eventMux}
bc.cache = NewBlockCache(100)
bc.futureBlocks = NewBlockCache(100)
@@ -381,6 +379,14 @@ func TestReorg(t *testing.T) {
bc.ResetWithGenesisBlock(genesis)
bc.txState = state.ManageState(bc.State())
+ return bc
+}
+
+func TestReorgLongest(t *testing.T) {
+ db, _ := ethdb.NewMemDatabase()
+ genesis := GenesisBlock(db)
+ bc := chm(genesis, db)
+
chain1 := makeChainWithDiff(genesis, []int{1, 2, 4}, 10)
chain2 := makeChainWithDiff(genesis, []int{1, 2, 3, 4}, 11)
@@ -394,3 +400,22 @@ func TestReorg(t *testing.T) {
}
}
}
+
+func TestReorgShortest(t *testing.T) {
+ db, _ := ethdb.NewMemDatabase()
+ genesis := GenesisBlock(db)
+ bc := chm(genesis, db)
+
+ chain1 := makeChainWithDiff(genesis, []int{1, 2, 3, 4}, 10)
+ chain2 := makeChainWithDiff(genesis, []int{1, 10}, 11)
+
+ bc.InsertChain(chain1)
+ bc.InsertChain(chain2)
+
+ prev := bc.CurrentBlock()
+ for block := bc.GetBlockByNumber(bc.CurrentBlock().NumberU64() - 1); block.NumberU64() != 0; prev, block = block, bc.GetBlockByNumber(block.NumberU64()-1) {
+ if prev.ParentHash() != block.Hash() {
+ t.Errorf("parent hash mismatch %x - %x", prev.ParentHash(), block.Hash())
+ }
+ }
+}