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-rw-r--r--examples/chain/main.go115
1 files changed, 66 insertions, 49 deletions
diff --git a/examples/chain/main.go b/examples/chain/main.go
index eddebd5..92350d3 100644
--- a/examples/chain/main.go
+++ b/examples/chain/main.go
@@ -13,8 +13,8 @@ import (
"github.com/ava-labs/go-ethereum/params"
"github.com/ava-labs/go-ethereum/rlp"
"math/big"
- //mrand "math/rand"
- "time"
+ "sync"
+ //"time"
)
func checkError(err error) {
@@ -30,6 +30,7 @@ type TestChain struct {
chain *coreth.ETHChain
parentBlock common.Hash
outBlockCh chan<- []byte
+ blockWait sync.WaitGroup
}
func (tc *TestChain) insertBlock(block *types.Block) {
@@ -50,7 +51,16 @@ func NewTestChain(name string, config *eth.Config,
outBlockCh: outBlockCh,
}
tc.insertBlock(tc.chain.GetGenesisBlock())
- tc.chain.SetOnSealMiner(func(block *types.Block) error {
+ tc.chain.SetOnHeaderNew(func(header *types.Header) {
+ hid := make([]byte, 32)
+ _, err := rand.Read(hid)
+ if err != nil {
+ panic("cannot generate hid")
+ }
+ header.Extra = append(header.Extra, hid...)
+ //fmt.Printf("%s\n", hexutil.Encode(header.Extra))
+ })
+ tc.chain.SetOnSealFinish(func(block *types.Block) error {
blkID := tc.blkCount
tc.blkCount++
if len(block.Uncles()) != 0 {
@@ -71,6 +81,7 @@ func NewTestChain(name string, config *eth.Config,
<-inAckCh
log.Info(fmt.Sprintf("%s: got ack", name))
}
+ tc.blockWait.Done()
return nil
})
go func() {
@@ -104,72 +115,37 @@ func (tc *TestChain) GenRandomTree(n int, max int) {
for i := 0; i < n; i++ {
nblocks := len(tc.blocks)
m := max
- if m < 0 {
+ if m < 0 || nblocks < m {
m = nblocks
}
pb, _ := rand.Int(rand.Reader, big.NewInt((int64)(m)))
pn := pb.Int64()
tc.parentBlock = tc.blocks[nblocks-1-(int)(pn)]
tc.chain.SetTail(tc.parentBlock)
+ tc.blockWait.Add(1)
tc.chain.GenBlock()
- time.Sleep(time.Second)
+ tc.blockWait.Wait()
}
}
-func main() {
- // configure the chain
- config := eth.DefaultConfig
- chainConfig := &params.ChainConfig{
- ChainID: big.NewInt(1),
- HomesteadBlock: big.NewInt(0),
- DAOForkBlock: big.NewInt(0),
- DAOForkSupport: true,
- EIP150Block: big.NewInt(0),
- EIP150Hash: common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
- EIP155Block: big.NewInt(0),
- EIP158Block: big.NewInt(0),
- ByzantiumBlock: big.NewInt(0),
- ConstantinopleBlock: big.NewInt(0),
- PetersburgBlock: big.NewInt(0),
- IstanbulBlock: nil,
- Ethash: nil,
- }
-
- // configure the genesis block
- genBalance := big.NewInt(100000000000000000)
- genKey, _ := coreth.NewKey(rand.Reader)
-
- config.Genesis = &core.Genesis{
- Config: chainConfig,
- Nonce: 0,
- Number: 0,
- ExtraData: hexutil.MustDecode("0x00"),
- GasLimit: 100000000,
- Difficulty: big.NewInt(0),
- Alloc: core.GenesisAlloc{genKey.Address: {Balance: genBalance}},
- }
-
- // grab the control of block generation and disable auto uncle
- config.Miner.ManualMining = true
- config.Miner.DisableUncle = true
-
+func run(config *eth.Config, a1, a2, b1, b2 int) {
aliceBlk := make(chan []byte)
bobBlk := make(chan []byte)
aliceAck := make(chan struct{})
bobAck := make(chan struct{})
- alice := NewTestChain("alice", &config, bobBlk, aliceBlk, bobAck, aliceAck)
- bob := NewTestChain("bob", &config, aliceBlk, bobBlk, aliceAck, bobAck)
+ alice := NewTestChain("alice", config, bobBlk, aliceBlk, bobAck, aliceAck)
+ bob := NewTestChain("bob", config, aliceBlk, bobBlk, aliceAck, bobAck)
alice.Start()
bob.Start()
- alice.GenRandomTree(60, -1)
+ alice.GenRandomTree(a1, a2)
log.Info("alice finished generating the tree")
- time.Sleep(2 * time.Second)
+ //time.Sleep(1 * time.Second)
bob.outBlockCh = nil
- bob.GenRandomTree(60, 2)
+ bob.GenRandomTree(b1, b2)
//mrand.Shuffle(len(bob.blocks),
// func(i, j int) { bob.blocks[i], bob.blocks[j] = bob.blocks[j], bob.blocks[i] })
log.Info("bob finished generating the tree")
- time.Sleep(2 * time.Second)
+ //time.Sleep(1 * time.Second)
log.Info("bob sends out all its blocks")
for i := range bob.blocks {
serialized, err := rlp.EncodeToBytes(bob.chain.GetBlockByHash(bob.blocks[i]))
@@ -181,7 +157,7 @@ func main() {
log.Info(fmt.Sprintf("bob: got ack"))
}
log.Info("bob finished generating the tree")
- time.Sleep(2 * time.Second)
+ //time.Sleep(1 * time.Second)
log.Info("comparing two trees")
if len(alice.blocks) != len(bob.blocks) {
panic(fmt.Sprintf("mismatching tree size %d != %d", len(alice.blocks), len(bob.blocks)))
@@ -211,3 +187,44 @@ func main() {
alice.Stop()
bob.Stop()
}
+
+func main() {
+ // configure the chain
+ config := eth.DefaultConfig
+ chainConfig := &params.ChainConfig{
+ ChainID: big.NewInt(1),
+ HomesteadBlock: big.NewInt(0),
+ DAOForkBlock: big.NewInt(0),
+ DAOForkSupport: true,
+ EIP150Block: big.NewInt(0),
+ EIP150Hash: common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
+ EIP155Block: big.NewInt(0),
+ EIP158Block: big.NewInt(0),
+ ByzantiumBlock: big.NewInt(0),
+ ConstantinopleBlock: big.NewInt(0),
+ PetersburgBlock: big.NewInt(0),
+ IstanbulBlock: nil,
+ Ethash: nil,
+ }
+
+ // configure the genesis block
+ genBalance := big.NewInt(100000000000000000)
+ genKey, _ := coreth.NewKey(rand.Reader)
+
+ config.Genesis = &core.Genesis{
+ Config: chainConfig,
+ Nonce: 0,
+ Number: 0,
+ ExtraData: hexutil.MustDecode("0x00"),
+ GasLimit: 100000000,
+ Difficulty: big.NewInt(0),
+ Alloc: core.GenesisAlloc{genKey.Address: {Balance: genBalance}},
+ }
+
+ // grab the control of block generation and disable auto uncle
+ config.Miner.ManualMining = true
+ config.Miner.DisableUncle = true
+
+ run(&config, 60, 1, 60, 1)
+ run(&config, 500, 10, 500, 5)
+}
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