You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
3.1 KiB
100 lines
3.1 KiB
package node
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/harmony-one/harmony/core"
|
|
"github.com/harmony-one/harmony/core/types"
|
|
"github.com/harmony-one/harmony/internal/utils"
|
|
)
|
|
|
|
// WaitForConsensusReady listen for the readiness signal from consensus and generate new block for consensus.
|
|
func (node *Node) WaitForConsensusReady(readySignal chan struct{}, stopChan chan struct{}, stoppedChan chan struct{}) {
|
|
go func() {
|
|
// Setup stoppedChan
|
|
defer close(stoppedChan)
|
|
|
|
utils.GetLogInstance().Debug("Waiting for Consensus ready")
|
|
time.Sleep(15 * time.Second) // Wait for other nodes to be ready (test-only)
|
|
|
|
firstTime := true
|
|
var newBlock *types.Block
|
|
timeoutCount := 0
|
|
for {
|
|
// keep waiting for Consensus ready
|
|
select {
|
|
case <-readySignal:
|
|
time.Sleep(100 * time.Millisecond) // Delay a bit so validator is catched up (test-only).
|
|
case <-time.After(200 * time.Second):
|
|
node.Consensus.ResetState()
|
|
timeoutCount++
|
|
utils.GetLogInstance().Debug("Consensus timeout, retry!", "count", timeoutCount, "node", node)
|
|
case <-stopChan:
|
|
return
|
|
}
|
|
|
|
for {
|
|
// threshold and firstTime are for the test-only built-in smart contract tx. TODO: remove in production
|
|
threshold := 1
|
|
if firstTime {
|
|
threshold = 2
|
|
firstTime = false
|
|
}
|
|
utils.GetLogInstance().Debug("STARTING BLOCK", "threshold", threshold, "pendingTransactions", len(node.pendingTransactions))
|
|
if len(node.pendingTransactions) >= threshold {
|
|
// Normal tx block consensus
|
|
selectedTxs := node.getTransactionsForNewBlock(MaxNumberOfTransactionsPerBlock)
|
|
if len(selectedTxs) != 0 {
|
|
node.Worker.CommitTransactions(selectedTxs)
|
|
block, err := node.Worker.Commit()
|
|
if err != nil {
|
|
utils.GetLogInstance().Debug("Failed commiting new block", "Error", err)
|
|
} else {
|
|
// add new shard state if it's epoch block
|
|
node.addNewShardState(block)
|
|
newBlock = block
|
|
break
|
|
}
|
|
}
|
|
}
|
|
// If not enough transactions to run Consensus,
|
|
// periodically check whether we have enough transactions to package into block.
|
|
time.Sleep(1 * time.Second)
|
|
}
|
|
// Send the new block to Consensus so it can be confirmed.
|
|
if newBlock != nil {
|
|
node.BlockChannel <- newBlock
|
|
}
|
|
}
|
|
}()
|
|
}
|
|
|
|
func (node *Node) addNewShardState(block *types.Block) {
|
|
shardState := node.blockchain.GetNewShardState(block)
|
|
if shardState != nil {
|
|
shardHash := shardState.Hash()
|
|
utils.GetLogInstance().Debug("[resharding] adding new shard state", "shardHash", shardHash)
|
|
for _, c := range shardState {
|
|
utils.GetLogInstance().Debug("new shard information", "shardID", c.ShardID, "NodeList", c.NodeList)
|
|
}
|
|
block.AddShardStateHash(shardHash)
|
|
}
|
|
}
|
|
|
|
func (node *Node) addNewRandSeed(block *types.Block) {
|
|
blockNumber := block.NumberU64()
|
|
if !core.CheckEpochBlock(blockNumber) {
|
|
return
|
|
}
|
|
|
|
var rnd int64
|
|
epoch := core.GetEpochFromBlockNumber(blockNumber)
|
|
if epoch == 1 {
|
|
rnd = core.InitialSeed
|
|
} else {
|
|
number := core.GetPreviousEpochBlockNumber(blockNumber)
|
|
oldrnd := node.blockchain.GetRandSeedByNumber(number)
|
|
rnd = core.FakeGenRandSeed(oldrnd)
|
|
}
|
|
block.AddRandSeed(rnd)
|
|
}
|
|
|