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1336 lines
44 KiB
1336 lines
44 KiB
package node
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import (
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"context"
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"fmt"
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"math/big"
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"os"
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"strings"
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"sync"
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"time"
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"github.com/ethereum/go-ethereum/rlp"
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harmonyconfig "github.com/harmony-one/harmony/internal/configs/harmony"
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"github.com/ethereum/go-ethereum/common"
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protobuf "github.com/golang/protobuf/proto"
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"github.com/harmony-one/abool"
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bls_core "github.com/harmony-one/bls/ffi/go/bls"
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lru "github.com/hashicorp/golang-lru"
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libp2p_peer "github.com/libp2p/go-libp2p-core/peer"
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libp2p_pubsub "github.com/libp2p/go-libp2p-pubsub"
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"github.com/pkg/errors"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/rcrowley/go-metrics"
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"golang.org/x/sync/semaphore"
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"github.com/harmony-one/harmony/api/proto"
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msg_pb "github.com/harmony-one/harmony/api/proto/message"
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proto_node "github.com/harmony-one/harmony/api/proto/node"
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"github.com/harmony-one/harmony/api/service"
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"github.com/harmony-one/harmony/api/service/legacysync"
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"github.com/harmony-one/harmony/api/service/legacysync/downloader"
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"github.com/harmony-one/harmony/consensus"
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"github.com/harmony-one/harmony/core"
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"github.com/harmony-one/harmony/core/rawdb"
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"github.com/harmony-one/harmony/core/types"
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"github.com/harmony-one/harmony/crypto/bls"
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"github.com/harmony-one/harmony/internal/chain"
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common2 "github.com/harmony-one/harmony/internal/common"
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nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
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"github.com/harmony-one/harmony/internal/params"
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"github.com/harmony-one/harmony/internal/shardchain"
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"github.com/harmony-one/harmony/internal/utils"
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"github.com/harmony-one/harmony/node/worker"
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"github.com/harmony-one/harmony/p2p"
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"github.com/harmony-one/harmony/shard"
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"github.com/harmony-one/harmony/shard/committee"
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"github.com/harmony-one/harmony/staking/reward"
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"github.com/harmony-one/harmony/staking/slash"
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staking "github.com/harmony-one/harmony/staking/types"
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"github.com/harmony-one/harmony/webhooks"
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)
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const (
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// NumTryBroadCast is the number of times trying to broadcast
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NumTryBroadCast = 3
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// MsgChanBuffer is the buffer of consensus message handlers.
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MsgChanBuffer = 1024
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)
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const (
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maxBroadcastNodes = 10 // broadcast at most maxBroadcastNodes peers that need in sync
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broadcastTimeout int64 = 60 * 1000000000 // 1 mins
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//SyncIDLength is the length of bytes for syncID
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SyncIDLength = 20
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)
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// use to push new block to outofsync node
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type syncConfig struct {
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timestamp int64
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client *downloader.Client
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// Determine to send encoded BlockWithSig or Block
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withSig bool
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}
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// Node represents a protocol-participating node in the network
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type Node struct {
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Consensus *consensus.Consensus // Consensus object containing all Consensus related data (e.g. committee members, signatures, commits)
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BlockChannel chan *types.Block // The channel to send newly proposed blocks
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ConfirmedBlockChannel chan *types.Block // The channel to send confirmed blocks
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BeaconBlockChannel chan *types.Block // The channel to send beacon blocks for non-beaconchain nodes
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pendingCXReceipts map[string]*types.CXReceiptsProof // All the receipts received but not yet processed for Consensus
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pendingCXMutex sync.Mutex
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// Shard databases
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shardChains shardchain.Collection
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SelfPeer p2p.Peer
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// TODO: Neighbors should store only neighbor nodes in the same shard
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Neighbors sync.Map // All the neighbor nodes, key is the sha256 of Peer IP/Port, value is the p2p.Peer
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stateMutex sync.Mutex // mutex for change node state
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// BeaconNeighbors store only neighbor nodes in the beacon chain shard
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BeaconNeighbors sync.Map // All the neighbor nodes, key is the sha256 of Peer IP/Port, value is the p2p.Peer
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TxPool *core.TxPool
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CxPool *core.CxPool // pool for missing cross shard receipts resend
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Worker, BeaconWorker *worker.Worker
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downloaderServer *downloader.Server
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// Syncing component.
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syncID [SyncIDLength]byte // a unique ID for the node during the state syncing process with peers
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stateSync, beaconSync *legacysync.StateSync
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peerRegistrationRecord map[string]*syncConfig // record registration time (unixtime) of peers begin in syncing
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SyncingPeerProvider SyncingPeerProvider
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// The p2p host used to send/receive p2p messages
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host p2p.Host
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// Service manager.
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serviceManager *service.Manager
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ContractDeployerCurrentNonce uint64 // The nonce of the deployer contract at current block
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ContractAddresses []common.Address
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// Channel to notify consensus service to really start consensus
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startConsensus chan struct{}
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HarmonyConfig *harmonyconfig.HarmonyConfig
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// node configuration, including group ID, shard ID, etc
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NodeConfig *nodeconfig.ConfigType
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// Chain configuration.
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chainConfig params.ChainConfig
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// map of service type to its message channel.
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isFirstTime bool // the node was started with a fresh database
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unixTimeAtNodeStart int64
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// KeysToAddrs holds the addresses of bls keys run by the node
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KeysToAddrs map[string]common.Address
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keysToAddrsEpoch *big.Int
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keysToAddrsMutex sync.Mutex
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// TransactionErrorSink contains error messages for any failed transaction, in memory only
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TransactionErrorSink *types.TransactionErrorSink
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// BroadcastInvalidTx flag is considered when adding pending tx to tx-pool
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BroadcastInvalidTx bool
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// InSync flag indicates the node is in-sync or not
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IsInSync *abool.AtomicBool
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proposedBlock map[uint64]*types.Block
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deciderCache *lru.Cache
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committeeCache *lru.Cache
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Metrics metrics.Registry
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// context control for pub-sub handling
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psCtx context.Context
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psCancel func()
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}
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// Blockchain returns the blockchain for the node's current shard.
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func (node *Node) Blockchain() *core.BlockChain {
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shardID := node.NodeConfig.ShardID
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bc, err := node.shardChains.ShardChain(shardID)
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if err != nil {
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utils.Logger().Error().
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Uint32("shardID", shardID).
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Err(err).
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Msg("cannot get shard chain")
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}
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return bc
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}
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// Beaconchain returns the beaconchain from node.
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func (node *Node) Beaconchain() *core.BlockChain {
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bc, err := node.shardChains.ShardChain(shard.BeaconChainShardID)
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if err != nil {
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utils.Logger().Error().Err(err).Msg("cannot get beaconchain")
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}
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return bc
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}
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// TODO: make this batch more transactions
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func (node *Node) tryBroadcast(tx *types.Transaction) {
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msg := proto_node.ConstructTransactionListMessageAccount(types.Transactions{tx})
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shardGroupID := nodeconfig.NewGroupIDByShardID(nodeconfig.ShardID(tx.ShardID()))
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utils.Logger().Info().Str("shardGroupID", string(shardGroupID)).Msg("tryBroadcast")
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for attempt := 0; attempt < NumTryBroadCast; attempt++ {
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if err := node.host.SendMessageToGroups([]nodeconfig.GroupID{shardGroupID},
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p2p.ConstructMessage(msg)); err != nil && attempt < NumTryBroadCast {
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utils.Logger().Error().Int("attempt", attempt).Msg("Error when trying to broadcast tx")
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} else {
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break
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}
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}
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}
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func (node *Node) tryBroadcastStaking(stakingTx *staking.StakingTransaction) {
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msg := proto_node.ConstructStakingTransactionListMessageAccount(staking.StakingTransactions{stakingTx})
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shardGroupID := nodeconfig.NewGroupIDByShardID(
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nodeconfig.ShardID(shard.BeaconChainShardID),
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) // broadcast to beacon chain
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utils.Logger().Info().Str("shardGroupID", string(shardGroupID)).Msg("tryBroadcastStaking")
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for attempt := 0; attempt < NumTryBroadCast; attempt++ {
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if err := node.host.SendMessageToGroups([]nodeconfig.GroupID{shardGroupID},
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p2p.ConstructMessage(msg)); err != nil && attempt < NumTryBroadCast {
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utils.Logger().Error().Int("attempt", attempt).Msg("Error when trying to broadcast staking tx")
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} else {
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break
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}
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}
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}
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// Add new transactions to the pending transaction list.
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func (node *Node) addPendingTransactions(newTxs types.Transactions) []error {
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if inSync, _, _ := node.SyncStatus(node.Blockchain().ShardID()); !inSync && node.NodeConfig.GetNetworkType() == nodeconfig.Mainnet {
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utils.Logger().Debug().
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Int("length of newTxs", len(newTxs)).
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Msg("[addPendingTransactions] Node out of sync, ignoring transactions")
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return nil
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}
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poolTxs := types.PoolTransactions{}
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errs := []error{}
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acceptCx := node.Blockchain().Config().AcceptsCrossTx(node.Blockchain().CurrentHeader().Epoch())
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for _, tx := range newTxs {
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if tx.ShardID() != tx.ToShardID() && !acceptCx {
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errs = append(errs, errors.WithMessage(errInvalidEpoch, "cross-shard tx not accepted yet"))
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continue
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}
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if tx.IsEthCompatible() && !node.Blockchain().Config().IsEthCompatible(node.Blockchain().CurrentBlock().Epoch()) {
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errs = append(errs, errors.WithMessage(errInvalidEpoch, "ethereum tx not accepted yet"))
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continue
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}
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poolTxs = append(poolTxs, tx)
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}
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errs = append(errs, node.TxPool.AddRemotes(poolTxs)...)
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pendingCount, queueCount := node.TxPool.Stats()
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utils.Logger().Info().
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Interface("err", errs).
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Int("length of newTxs", len(newTxs)).
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Int("totalPending", pendingCount).
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Int("totalQueued", queueCount).
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Msg("[addPendingTransactions] Adding more transactions")
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return errs
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}
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// Add new staking transactions to the pending staking transaction list.
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func (node *Node) addPendingStakingTransactions(newStakingTxs staking.StakingTransactions) []error {
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if node.IsRunningBeaconChain() {
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if node.Blockchain().Config().IsPreStaking(node.Blockchain().CurrentHeader().Epoch()) {
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poolTxs := types.PoolTransactions{}
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for _, tx := range newStakingTxs {
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poolTxs = append(poolTxs, tx)
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}
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errs := node.TxPool.AddRemotes(poolTxs)
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pendingCount, queueCount := node.TxPool.Stats()
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utils.Logger().Info().
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Int("length of newStakingTxs", len(poolTxs)).
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Int("totalPending", pendingCount).
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Int("totalQueued", queueCount).
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Msg("Got more staking transactions")
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return errs
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}
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return []error{
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errors.WithMessage(errInvalidEpoch, "staking txs not accepted yet"),
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}
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}
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return []error{
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errors.WithMessage(errInvalidShard, fmt.Sprintf("txs only valid on shard %v", shard.BeaconChainShardID)),
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}
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}
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// AddPendingStakingTransaction staking transactions
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func (node *Node) AddPendingStakingTransaction(
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newStakingTx *staking.StakingTransaction,
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) error {
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if node.IsRunningBeaconChain() {
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errs := node.addPendingStakingTransactions(staking.StakingTransactions{newStakingTx})
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var err error
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for i := range errs {
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if errs[i] != nil {
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utils.Logger().Info().
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Err(errs[i]).
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Msg("[AddPendingStakingTransaction] Failed adding new staking transaction")
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err = errs[i]
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break
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}
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}
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if err == nil || node.BroadcastInvalidTx {
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utils.Logger().Info().
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Str("Hash", newStakingTx.Hash().Hex()).
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Msg("Broadcasting Staking Tx")
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node.tryBroadcastStaking(newStakingTx)
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}
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return err
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}
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return nil
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}
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// AddPendingTransaction adds one new transaction to the pending transaction list.
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// This is only called from SDK.
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func (node *Node) AddPendingTransaction(newTx *types.Transaction) error {
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if newTx.ShardID() == node.NodeConfig.ShardID {
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errs := node.addPendingTransactions(types.Transactions{newTx})
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var err error
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for i := range errs {
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if errs[i] != nil {
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utils.Logger().Info().Err(errs[i]).Msg("[AddPendingTransaction] Failed adding new transaction")
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err = errs[i]
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break
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}
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}
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if err == nil || node.BroadcastInvalidTx {
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utils.Logger().Info().Str("Hash", newTx.Hash().Hex()).Str("HashByType", newTx.HashByType().Hex()).Msg("Broadcasting Tx")
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node.tryBroadcast(newTx)
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}
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return err
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}
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return errors.Errorf("shard do not match, txShard: %d, nodeShard: %d", newTx.ShardID(), node.NodeConfig.ShardID)
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}
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// AddPendingReceipts adds one receipt message to pending list.
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func (node *Node) AddPendingReceipts(receipts *types.CXReceiptsProof) {
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node.pendingCXMutex.Lock()
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defer node.pendingCXMutex.Unlock()
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if receipts.ContainsEmptyField() {
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utils.Logger().Info().
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Int("totalPendingReceipts", len(node.pendingCXReceipts)).
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Msg("CXReceiptsProof contains empty field")
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return
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}
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blockNum := receipts.Header.Number().Uint64()
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shardID := receipts.Header.ShardID()
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// Sanity checks
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if err := node.Blockchain().Validator().ValidateCXReceiptsProof(receipts); err != nil {
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if !strings.Contains(err.Error(), rawdb.MsgNoShardStateFromDB) {
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utils.Logger().Error().Err(err).Msg("[AddPendingReceipts] Invalid CXReceiptsProof")
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return
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}
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}
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// cross-shard receipt should not be coming from our shard
|
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if s := node.Consensus.ShardID; s == shardID {
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utils.Logger().Info().
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Uint32("my-shard", s).
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Uint32("receipt-shard", shardID).
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Msg("ShardID of incoming receipt was same as mine")
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return
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}
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if e := receipts.Header.Epoch(); blockNum == 0 ||
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!node.Blockchain().Config().AcceptsCrossTx(e) {
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utils.Logger().Info().
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Uint64("incoming-epoch", e.Uint64()).
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Msg("Incoming receipt had meaningless epoch")
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return
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}
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|
|
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key := utils.GetPendingCXKey(shardID, blockNum)
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|
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// DDoS protection
|
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const maxCrossTxnSize = 4096
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if s := len(node.pendingCXReceipts); s >= maxCrossTxnSize {
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utils.Logger().Info().
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Int("pending-cx-receipts-size", s).
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Int("pending-cx-receipts-limit", maxCrossTxnSize).
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Msg("Current pending cx-receipts reached size limit")
|
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return
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}
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|
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if _, ok := node.pendingCXReceipts[key]; ok {
|
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utils.Logger().Info().
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Int("totalPendingReceipts", len(node.pendingCXReceipts)).
|
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Msg("Already Got Same Receipt message")
|
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return
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}
|
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node.pendingCXReceipts[key] = receipts
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utils.Logger().Info().
|
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Int("totalPendingReceipts", len(node.pendingCXReceipts)).
|
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Msg("Got ONE more receipt message")
|
|
}
|
|
|
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type withError struct {
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err error
|
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payload interface{}
|
|
}
|
|
|
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var (
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errNotRightKeySize = errors.New("key received over wire is wrong size")
|
|
errNoSenderPubKey = errors.New("no sender public BLS key in message")
|
|
errWrongSizeOfBitmap = errors.New("wrong size of sender bitmap")
|
|
errWrongShardID = errors.New("wrong shard id")
|
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errInvalidNodeMsg = errors.New("invalid node message")
|
|
errIgnoreBeaconMsg = errors.New("ignore beacon sync block")
|
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errInvalidEpoch = errors.New("invalid epoch for transaction")
|
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errInvalidShard = errors.New("invalid shard")
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)
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|
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const beaconBlockHeightTolerance = 2
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|
|
|
// validateNodeMessage validate node message
|
|
func (node *Node) validateNodeMessage(ctx context.Context, payload []byte) (
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[]byte, proto_node.MessageType, error) {
|
|
|
|
// length of payload must > p2pNodeMsgPrefixSize
|
|
|
|
// reject huge node messages
|
|
if len(payload) >= types.MaxP2PNodeDataSize {
|
|
nodeNodeMessageCounterVec.With(prometheus.Labels{"type": "invalid_oversized"}).Inc()
|
|
return nil, 0, core.ErrOversizedData
|
|
}
|
|
|
|
// just ignore payload[0], which is MsgCategoryType (consensus/node)
|
|
msgType := proto_node.MessageType(payload[proto.MessageCategoryBytes])
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|
|
|
switch msgType {
|
|
case proto_node.Transaction:
|
|
// nothing much to validate transaction message unless decode the RLP
|
|
nodeNodeMessageCounterVec.With(prometheus.Labels{"type": "tx"}).Inc()
|
|
case proto_node.Staking:
|
|
// nothing much to validate staking message unless decode the RLP
|
|
nodeNodeMessageCounterVec.With(prometheus.Labels{"type": "staking_tx"}).Inc()
|
|
case proto_node.Block:
|
|
switch proto_node.BlockMessageType(payload[p2pNodeMsgPrefixSize]) {
|
|
case proto_node.Sync:
|
|
nodeNodeMessageCounterVec.With(prometheus.Labels{"type": "block_sync"}).Inc()
|
|
|
|
// checks whether the beacon block is larger than current block number
|
|
blocksPayload := payload[p2pNodeMsgPrefixSize+1:]
|
|
var blocks []*types.Block
|
|
if err := rlp.DecodeBytes(blocksPayload, &blocks); err != nil {
|
|
return nil, 0, errors.Wrap(err, "block decode error")
|
|
}
|
|
curBeaconHeight := node.Beaconchain().CurrentBlock().NumberU64()
|
|
for _, block := range blocks {
|
|
// Ban blocks number that is smaller than tolerance
|
|
if block.NumberU64()+beaconBlockHeightTolerance <= curBeaconHeight {
|
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utils.Logger().Debug().Uint64("receivedNum", block.NumberU64()).
|
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Uint64("currentNum", curBeaconHeight).Msg("beacon block sync message rejected")
|
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return nil, 0, errors.New("beacon block height smaller than current height beyond tolerance")
|
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} else if block.NumberU64() <= curBeaconHeight {
|
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utils.Logger().Debug().Uint64("receivedNum", block.NumberU64()).
|
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Uint64("currentNum", curBeaconHeight).Msg("beacon block sync message ignored")
|
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return nil, 0, errIgnoreBeaconMsg
|
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}
|
|
}
|
|
|
|
// only non-beacon nodes process the beacon block sync messages
|
|
if node.Blockchain().ShardID() == shard.BeaconChainShardID {
|
|
return nil, 0, errIgnoreBeaconMsg
|
|
}
|
|
|
|
case proto_node.SlashCandidate:
|
|
nodeNodeMessageCounterVec.With(prometheus.Labels{"type": "slash"}).Inc()
|
|
// only beacon chain node process slash candidate messages
|
|
if !node.IsRunningBeaconChain() {
|
|
return nil, 0, errIgnoreBeaconMsg
|
|
}
|
|
case proto_node.Receipt:
|
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nodeNodeMessageCounterVec.With(prometheus.Labels{"type": "node_receipt"}).Inc()
|
|
case proto_node.CrossLink:
|
|
nodeNodeMessageCounterVec.With(prometheus.Labels{"type": "crosslink"}).Inc()
|
|
// only beacon chain node process crosslink messages
|
|
if !node.IsRunningBeaconChain() ||
|
|
node.NodeConfig.Role() == nodeconfig.ExplorerNode {
|
|
return nil, 0, errIgnoreBeaconMsg
|
|
}
|
|
default:
|
|
nodeNodeMessageCounterVec.With(prometheus.Labels{"type": "invalid_block_type"}).Inc()
|
|
return nil, 0, errInvalidNodeMsg
|
|
}
|
|
default:
|
|
nodeNodeMessageCounterVec.With(prometheus.Labels{"type": "invalid_node_type"}).Inc()
|
|
return nil, 0, errInvalidNodeMsg
|
|
}
|
|
|
|
return payload[p2pNodeMsgPrefixSize:], msgType, nil
|
|
}
|
|
|
|
// validateShardBoundMessage validate consensus message
|
|
// validate shardID
|
|
// validate public key size
|
|
// verify message signature
|
|
func (node *Node) validateShardBoundMessage(
|
|
ctx context.Context, payload []byte,
|
|
) (*msg_pb.Message, *bls.SerializedPublicKey, bool, error) {
|
|
var (
|
|
m msg_pb.Message
|
|
)
|
|
if err := protobuf.Unmarshal(payload, &m); err != nil {
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "invalid_unmarshal"}).Inc()
|
|
return nil, nil, true, errors.WithStack(err)
|
|
}
|
|
|
|
// ignore messages not intended for explorer
|
|
if node.NodeConfig.Role() == nodeconfig.ExplorerNode {
|
|
switch m.Type {
|
|
case
|
|
msg_pb.MessageType_ANNOUNCE,
|
|
msg_pb.MessageType_PREPARE,
|
|
msg_pb.MessageType_COMMIT,
|
|
msg_pb.MessageType_VIEWCHANGE,
|
|
msg_pb.MessageType_NEWVIEW:
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "ignored"}).Inc()
|
|
return nil, nil, true, nil
|
|
}
|
|
}
|
|
|
|
// when node is in ViewChanging mode, it still accepts normal messages into FBFTLog
|
|
// in order to avoid possible trap forever but drop PREPARE and COMMIT
|
|
// which are message types specifically for a node acting as leader
|
|
// so we just ignore those messages
|
|
if node.Consensus.IsViewChangingMode() {
|
|
switch m.Type {
|
|
case msg_pb.MessageType_PREPARE, msg_pb.MessageType_COMMIT:
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "ignored"}).Inc()
|
|
return nil, nil, true, nil
|
|
}
|
|
} else {
|
|
// ignore viewchange/newview message if the node is not in viewchanging mode
|
|
switch m.Type {
|
|
case msg_pb.MessageType_NEWVIEW, msg_pb.MessageType_VIEWCHANGE:
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "ignored"}).Inc()
|
|
return nil, nil, true, nil
|
|
}
|
|
}
|
|
|
|
// ignore message not intended for leader, but still forward them to the network
|
|
if node.Consensus.IsLeader() {
|
|
switch m.Type {
|
|
case msg_pb.MessageType_ANNOUNCE, msg_pb.MessageType_PREPARED, msg_pb.MessageType_COMMITTED:
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "ignored"}).Inc()
|
|
return nil, nil, true, nil
|
|
}
|
|
}
|
|
|
|
maybeCon, maybeVC := m.GetConsensus(), m.GetViewchange()
|
|
senderKey := []byte{}
|
|
senderBitmap := []byte{}
|
|
|
|
if maybeCon != nil {
|
|
if maybeCon.ShardId != node.Consensus.ShardID {
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "invalid_shard"}).Inc()
|
|
return nil, nil, true, errors.WithStack(errWrongShardID)
|
|
}
|
|
senderKey = maybeCon.SenderPubkey
|
|
|
|
if len(maybeCon.SenderPubkeyBitmap) > 0 {
|
|
senderBitmap = maybeCon.SenderPubkeyBitmap
|
|
}
|
|
} else if maybeVC != nil {
|
|
if maybeVC.ShardId != node.Consensus.ShardID {
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "invalid_shard"}).Inc()
|
|
return nil, nil, true, errors.WithStack(errWrongShardID)
|
|
}
|
|
senderKey = maybeVC.SenderPubkey
|
|
} else {
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "invalid"}).Inc()
|
|
return nil, nil, true, errors.WithStack(errNoSenderPubKey)
|
|
}
|
|
|
|
// ignore mesage not intended for validator
|
|
// but still forward them to the network
|
|
if !node.Consensus.IsLeader() {
|
|
switch m.Type {
|
|
case msg_pb.MessageType_PREPARE, msg_pb.MessageType_COMMIT:
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "ignored"}).Inc()
|
|
return nil, nil, true, nil
|
|
}
|
|
}
|
|
|
|
serializedKey := bls.SerializedPublicKey{}
|
|
if len(senderKey) > 0 {
|
|
if len(senderKey) != bls.PublicKeySizeInBytes {
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "invalid_key_size"}).Inc()
|
|
return nil, nil, true, errors.WithStack(errNotRightKeySize)
|
|
}
|
|
|
|
copy(serializedKey[:], senderKey)
|
|
if !node.Consensus.IsValidatorInCommittee(serializedKey) {
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "invalid_committee"}).Inc()
|
|
return nil, nil, true, errors.WithStack(shard.ErrValidNotInCommittee)
|
|
}
|
|
} else {
|
|
count := node.Consensus.Decider.ParticipantsCount()
|
|
if (count+7)>>3 != int64(len(senderBitmap)) {
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "invalid_participant_count"}).Inc()
|
|
return nil, nil, true, errors.WithStack(errWrongSizeOfBitmap)
|
|
}
|
|
}
|
|
|
|
nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "valid"}).Inc()
|
|
|
|
// serializedKey will be empty for multiSig sender
|
|
return &m, &serializedKey, false, nil
|
|
}
|
|
|
|
var (
|
|
errMsgHadNoHMYPayLoadAssumption = errors.New("did not have sufficient size for hmy msg")
|
|
errConsensusMessageOnUnexpectedTopic = errors.New("received consensus on wrong topic")
|
|
)
|
|
|
|
// StartPubSub kicks off the node message handling
|
|
func (node *Node) StartPubSub() error {
|
|
node.psCtx, node.psCancel = context.WithCancel(context.Background())
|
|
|
|
// groupID and whether this topic is used for consensus
|
|
type t struct {
|
|
tp nodeconfig.GroupID
|
|
isCon bool
|
|
}
|
|
groups := map[nodeconfig.GroupID]bool{}
|
|
|
|
// three topic subscribed by each validator
|
|
for _, t := range []t{
|
|
{node.NodeConfig.GetShardGroupID(), true},
|
|
{node.NodeConfig.GetClientGroupID(), false},
|
|
} {
|
|
if _, ok := groups[t.tp]; !ok {
|
|
groups[t.tp] = t.isCon
|
|
}
|
|
}
|
|
|
|
type u struct {
|
|
p2p.NamedTopic
|
|
consensusBound bool
|
|
}
|
|
|
|
var allTopics []u
|
|
|
|
utils.Logger().Debug().
|
|
Interface("topics-ended-up-with", groups).
|
|
Uint32("shard-id", node.Consensus.ShardID).
|
|
Msg("starting with these topics")
|
|
|
|
if !node.NodeConfig.IsOffline {
|
|
for key, isCon := range groups {
|
|
topicHandle, err := node.host.GetOrJoin(string(key))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
allTopics = append(
|
|
allTopics, u{
|
|
NamedTopic: p2p.NamedTopic{string(key), topicHandle},
|
|
consensusBound: isCon,
|
|
},
|
|
)
|
|
}
|
|
}
|
|
pubsub := node.host.PubSub()
|
|
ownID := node.host.GetID()
|
|
errChan := make(chan withError, 100)
|
|
|
|
// p2p consensus message handler function
|
|
type p2pHandlerConsensus func(
|
|
ctx context.Context,
|
|
msg *msg_pb.Message,
|
|
key *bls.SerializedPublicKey,
|
|
) error
|
|
|
|
// other p2p message handler function
|
|
type p2pHandlerElse func(
|
|
ctx context.Context,
|
|
rlpPayload []byte,
|
|
actionType proto_node.MessageType,
|
|
) error
|
|
|
|
// interface pass to p2p message validator
|
|
type validated struct {
|
|
consensusBound bool
|
|
handleC p2pHandlerConsensus
|
|
handleCArg *msg_pb.Message
|
|
handleE p2pHandlerElse
|
|
handleEArg []byte
|
|
senderPubKey *bls.SerializedPublicKey
|
|
actionType proto_node.MessageType
|
|
}
|
|
|
|
isThisNodeAnExplorerNode := node.NodeConfig.Role() == nodeconfig.ExplorerNode
|
|
nodeStringCounterVec.WithLabelValues("peerid", nodeconfig.GetPeerID().String()).Inc()
|
|
|
|
for i := range allTopics {
|
|
sub, err := allTopics[i].Topic.Subscribe()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
topicNamed := allTopics[i].Name
|
|
isConsensusBound := allTopics[i].consensusBound
|
|
|
|
utils.Logger().Info().
|
|
Str("topic", topicNamed).
|
|
Msg("enabled topic validation pubsub messages")
|
|
|
|
// register topic validator for each topic
|
|
if err := pubsub.RegisterTopicValidator(
|
|
topicNamed,
|
|
// this is the validation function called to quickly validate every p2p message
|
|
func(ctx context.Context, peer libp2p_peer.ID, msg *libp2p_pubsub.Message) libp2p_pubsub.ValidationResult {
|
|
nodeP2PMessageCounterVec.With(prometheus.Labels{"type": "total"}).Inc()
|
|
hmyMsg := msg.GetData()
|
|
|
|
// first to validate the size of the p2p message
|
|
if len(hmyMsg) < p2pMsgPrefixSize {
|
|
// TODO (lc): block peers sending empty messages
|
|
nodeP2PMessageCounterVec.With(prometheus.Labels{"type": "invalid_size"}).Inc()
|
|
return libp2p_pubsub.ValidationReject
|
|
}
|
|
|
|
openBox := hmyMsg[p2pMsgPrefixSize:]
|
|
|
|
// validate message category
|
|
switch proto.MessageCategory(openBox[proto.MessageCategoryBytes-1]) {
|
|
case proto.Consensus:
|
|
// received consensus message in non-consensus bound topic
|
|
if !isConsensusBound {
|
|
nodeP2PMessageCounterVec.With(prometheus.Labels{"type": "invalid_bound"}).Inc()
|
|
errChan <- withError{
|
|
errors.WithStack(errConsensusMessageOnUnexpectedTopic), msg,
|
|
}
|
|
return libp2p_pubsub.ValidationReject
|
|
}
|
|
nodeP2PMessageCounterVec.With(prometheus.Labels{"type": "consensus_total"}).Inc()
|
|
|
|
// validate consensus message
|
|
validMsg, senderPubKey, ignore, err := node.validateShardBoundMessage(
|
|
context.TODO(), openBox[proto.MessageCategoryBytes:],
|
|
)
|
|
|
|
if err != nil {
|
|
errChan <- withError{err, msg.GetFrom()}
|
|
return libp2p_pubsub.ValidationReject
|
|
}
|
|
|
|
// ignore the further processing of the p2p messages as it is not intended for this node
|
|
if ignore {
|
|
return libp2p_pubsub.ValidationAccept
|
|
}
|
|
|
|
msg.ValidatorData = validated{
|
|
consensusBound: true,
|
|
handleC: node.Consensus.HandleMessageUpdate,
|
|
handleCArg: validMsg,
|
|
senderPubKey: senderPubKey,
|
|
}
|
|
return libp2p_pubsub.ValidationAccept
|
|
|
|
case proto.Node:
|
|
// node message is almost empty
|
|
if len(openBox) <= p2pNodeMsgPrefixSize {
|
|
nodeP2PMessageCounterVec.With(prometheus.Labels{"type": "invalid_size"}).Inc()
|
|
return libp2p_pubsub.ValidationReject
|
|
}
|
|
nodeP2PMessageCounterVec.With(prometheus.Labels{"type": "node_total"}).Inc()
|
|
validMsg, actionType, err := node.validateNodeMessage(
|
|
context.TODO(), openBox,
|
|
)
|
|
if err != nil {
|
|
switch err {
|
|
case errIgnoreBeaconMsg:
|
|
// ignore the further processing of the ignored messages as it is not intended for this node
|
|
// but propogate the messages to other nodes
|
|
return libp2p_pubsub.ValidationAccept
|
|
default:
|
|
// TODO (lc): block peers sending error messages
|
|
errChan <- withError{err, msg.GetFrom()}
|
|
return libp2p_pubsub.ValidationReject
|
|
}
|
|
}
|
|
msg.ValidatorData = validated{
|
|
consensusBound: false,
|
|
handleE: node.HandleNodeMessage,
|
|
handleEArg: validMsg,
|
|
actionType: actionType,
|
|
}
|
|
return libp2p_pubsub.ValidationAccept
|
|
default:
|
|
// ignore garbled messages
|
|
nodeP2PMessageCounterVec.With(prometheus.Labels{"type": "ignored"}).Inc()
|
|
return libp2p_pubsub.ValidationReject
|
|
}
|
|
select {
|
|
case <-ctx.Done():
|
|
if errors.Is(ctx.Err(), context.DeadlineExceeded) ||
|
|
errors.Is(ctx.Err(), context.Canceled) {
|
|
utils.Logger().Warn().
|
|
Str("topic", topicNamed).Msg("[context] exceeded validation deadline")
|
|
}
|
|
errChan <- withError{errors.WithStack(ctx.Err()), nil}
|
|
default:
|
|
return libp2p_pubsub.ValidationAccept
|
|
}
|
|
|
|
return libp2p_pubsub.ValidationReject
|
|
},
|
|
// WithValidatorTimeout is an option that sets a timeout for an (asynchronous) topic validator. By default there is no timeout in asynchronous validators.
|
|
// TODO: Currently this timeout is useless. Verify me.
|
|
libp2p_pubsub.WithValidatorTimeout(250*time.Millisecond),
|
|
// WithValidatorConcurrency set the concurernt validator, default is 1024
|
|
libp2p_pubsub.WithValidatorConcurrency(p2p.SetAsideForConsensus),
|
|
// WithValidatorInline is an option that sets the validation disposition to synchronous:
|
|
// it will be executed inline in validation front-end, without spawning a new goroutine.
|
|
// This is suitable for simple or cpu-bound validators that do not block.
|
|
libp2p_pubsub.WithValidatorInline(true),
|
|
); err != nil {
|
|
return err
|
|
}
|
|
|
|
semConsensus := semaphore.NewWeighted(p2p.SetAsideForConsensus)
|
|
msgChanConsensus := make(chan validated, MsgChanBuffer)
|
|
|
|
// goroutine to handle consensus messages
|
|
go func() {
|
|
for {
|
|
select {
|
|
case <-node.psCtx.Done():
|
|
return
|
|
case m := <-msgChanConsensus:
|
|
// should not take more than 30 seconds to process one message
|
|
ctx, cancel := context.WithTimeout(node.psCtx, 30*time.Second)
|
|
msg := m
|
|
go func() {
|
|
defer cancel()
|
|
|
|
if semConsensus.TryAcquire(1) {
|
|
defer semConsensus.Release(1)
|
|
|
|
if isThisNodeAnExplorerNode {
|
|
if err := node.explorerMessageHandler(
|
|
ctx, msg.handleCArg,
|
|
); err != nil {
|
|
errChan <- withError{err, nil}
|
|
}
|
|
} else {
|
|
if err := msg.handleC(ctx, msg.handleCArg, msg.senderPubKey); err != nil {
|
|
errChan <- withError{err, msg.senderPubKey}
|
|
}
|
|
}
|
|
}
|
|
|
|
select {
|
|
// FIXME: wrong use of context. This message have already passed handle actually.
|
|
case <-ctx.Done():
|
|
if errors.Is(ctx.Err(), context.DeadlineExceeded) ||
|
|
errors.Is(ctx.Err(), context.Canceled) {
|
|
utils.Logger().Warn().
|
|
Str("topic", topicNamed).Msg("[context] exceeded consensus message handler deadline")
|
|
}
|
|
errChan <- withError{errors.WithStack(ctx.Err()), nil}
|
|
default:
|
|
return
|
|
}
|
|
}()
|
|
}
|
|
}
|
|
}()
|
|
|
|
semNode := semaphore.NewWeighted(p2p.SetAsideOtherwise)
|
|
msgChanNode := make(chan validated, MsgChanBuffer)
|
|
|
|
// goroutine to handle node messages
|
|
go func() {
|
|
for {
|
|
select {
|
|
case m := <-msgChanNode:
|
|
ctx, cancel := context.WithTimeout(node.psCtx, 10*time.Second)
|
|
msg := m
|
|
go func() {
|
|
defer cancel()
|
|
if semNode.TryAcquire(1) {
|
|
defer semNode.Release(1)
|
|
|
|
if err := msg.handleE(ctx, msg.handleEArg, msg.actionType); err != nil {
|
|
errChan <- withError{err, nil}
|
|
}
|
|
}
|
|
|
|
select {
|
|
case <-ctx.Done():
|
|
if errors.Is(ctx.Err(), context.DeadlineExceeded) ||
|
|
errors.Is(ctx.Err(), context.Canceled) {
|
|
utils.Logger().Warn().
|
|
Str("topic", topicNamed).Msg("[context] exceeded node message handler deadline")
|
|
}
|
|
errChan <- withError{errors.WithStack(ctx.Err()), nil}
|
|
default:
|
|
return
|
|
}
|
|
}()
|
|
case <-node.psCtx.Done():
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
|
|
go func() {
|
|
for {
|
|
nextMsg, err := sub.Next(node.psCtx)
|
|
if err != nil {
|
|
if err == context.Canceled {
|
|
return
|
|
}
|
|
errChan <- withError{errors.WithStack(err), nil}
|
|
continue
|
|
}
|
|
|
|
if nextMsg.GetFrom() == ownID {
|
|
continue
|
|
}
|
|
|
|
if validatedMessage, ok := nextMsg.ValidatorData.(validated); ok {
|
|
if validatedMessage.consensusBound {
|
|
msgChanConsensus <- validatedMessage
|
|
} else {
|
|
msgChanNode <- validatedMessage
|
|
}
|
|
} else {
|
|
// continue if ValidatorData is nil
|
|
if nextMsg.ValidatorData == nil {
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
}()
|
|
}
|
|
|
|
go func() {
|
|
for {
|
|
select {
|
|
case <-node.psCtx.Done():
|
|
return
|
|
case e := <-errChan:
|
|
utils.SampledLogger().Info().
|
|
Interface("item", e.payload).
|
|
Msgf("[p2p]: issue while handling incoming p2p message: %v", e.err)
|
|
}
|
|
}
|
|
}()
|
|
|
|
return nil
|
|
}
|
|
|
|
// StopPubSub stops the pubsub handling
|
|
func (node *Node) StopPubSub() {
|
|
if node.psCancel != nil {
|
|
node.psCancel()
|
|
}
|
|
}
|
|
|
|
// GetSyncID returns the syncID of this node
|
|
func (node *Node) GetSyncID() [SyncIDLength]byte {
|
|
return node.syncID
|
|
}
|
|
|
|
// New creates a new node.
|
|
func New(
|
|
host p2p.Host,
|
|
consensusObj *consensus.Consensus,
|
|
chainDBFactory shardchain.DBFactory,
|
|
blacklist map[common.Address]struct{},
|
|
isArchival map[uint32]bool,
|
|
harmonyconfig *harmonyconfig.HarmonyConfig,
|
|
) *Node {
|
|
node := Node{}
|
|
node.unixTimeAtNodeStart = time.Now().Unix()
|
|
node.TransactionErrorSink = types.NewTransactionErrorSink()
|
|
// Get the node config that's created in the harmony.go program.
|
|
if consensusObj != nil {
|
|
node.NodeConfig = nodeconfig.GetShardConfig(consensusObj.ShardID)
|
|
} else {
|
|
node.NodeConfig = nodeconfig.GetDefaultConfig()
|
|
}
|
|
node.HarmonyConfig = harmonyconfig
|
|
|
|
copy(node.syncID[:], GenerateRandomString(SyncIDLength))
|
|
if host != nil {
|
|
node.host = host
|
|
node.SelfPeer = host.GetSelfPeer()
|
|
}
|
|
|
|
networkType := node.NodeConfig.GetNetworkType()
|
|
chainConfig := networkType.ChainConfig()
|
|
node.chainConfig = chainConfig
|
|
|
|
engine := chain.NewEngine()
|
|
|
|
collection := shardchain.NewCollection(
|
|
chainDBFactory, &genesisInitializer{&node}, engine, &chainConfig,
|
|
)
|
|
|
|
for shardID, archival := range isArchival {
|
|
if archival {
|
|
collection.DisableCache(shardID)
|
|
}
|
|
}
|
|
node.shardChains = collection
|
|
node.IsInSync = abool.NewBool(false)
|
|
|
|
if host != nil && consensusObj != nil {
|
|
// Consensus and associated channel to communicate blocks
|
|
node.Consensus = consensusObj
|
|
|
|
// Load the chains.
|
|
blockchain := node.Blockchain() // this also sets node.isFirstTime if the DB is fresh
|
|
beaconChain := node.Beaconchain()
|
|
if b1, b2 := beaconChain == nil, blockchain == nil; b1 || b2 {
|
|
var err error
|
|
if b2 {
|
|
shardID := node.NodeConfig.ShardID
|
|
// HACK get the real error reason
|
|
_, err = node.shardChains.ShardChain(shardID)
|
|
} else {
|
|
_, err = node.shardChains.ShardChain(shard.BeaconChainShardID)
|
|
}
|
|
fmt.Fprintf(os.Stderr, "Cannot initialize node: %v\n", err)
|
|
os.Exit(-1)
|
|
}
|
|
|
|
node.BlockChannel = make(chan *types.Block)
|
|
node.ConfirmedBlockChannel = make(chan *types.Block)
|
|
node.BeaconBlockChannel = make(chan *types.Block)
|
|
txPoolConfig := core.DefaultTxPoolConfig
|
|
|
|
// Temporarily not updating other networks to make the rpc tests pass
|
|
if node.NodeConfig.GetNetworkType() != nodeconfig.Mainnet && node.NodeConfig.GetNetworkType() != nodeconfig.Testnet {
|
|
txPoolConfig.PriceLimit = 1e9
|
|
txPoolConfig.PriceBump = 10
|
|
}
|
|
|
|
txPoolConfig.Blacklist = blacklist
|
|
txPoolConfig.Journal = fmt.Sprintf("%v/%v", node.NodeConfig.DBDir, txPoolConfig.Journal)
|
|
node.TxPool = core.NewTxPool(txPoolConfig, node.Blockchain().Config(), blockchain, node.TransactionErrorSink)
|
|
node.CxPool = core.NewCxPool(core.CxPoolSize)
|
|
node.Worker = worker.New(node.Blockchain().Config(), blockchain, engine)
|
|
|
|
node.deciderCache, _ = lru.New(16)
|
|
node.committeeCache, _ = lru.New(16)
|
|
|
|
if node.Blockchain().ShardID() != shard.BeaconChainShardID {
|
|
node.BeaconWorker = worker.New(
|
|
node.Beaconchain().Config(), beaconChain, engine,
|
|
)
|
|
}
|
|
|
|
node.pendingCXReceipts = map[string]*types.CXReceiptsProof{}
|
|
node.proposedBlock = map[uint64]*types.Block{}
|
|
node.Consensus.VerifiedNewBlock = make(chan *types.Block, 1)
|
|
engine.SetBeaconchain(beaconChain)
|
|
// the sequence number is the next block number to be added in consensus protocol, which is
|
|
// always one more than current chain header block
|
|
node.Consensus.SetBlockNum(blockchain.CurrentBlock().NumberU64() + 1)
|
|
}
|
|
|
|
utils.Logger().Info().
|
|
Interface("genesis block header", node.Blockchain().GetHeaderByNumber(0)).
|
|
Msg("Genesis block hash")
|
|
// Setup initial state of syncing.
|
|
node.peerRegistrationRecord = map[string]*syncConfig{}
|
|
node.startConsensus = make(chan struct{})
|
|
// Broadcast double-signers reported by consensus
|
|
if node.Consensus != nil {
|
|
go func() {
|
|
for doubleSign := range node.Consensus.SlashChan {
|
|
utils.Logger().Info().
|
|
RawJSON("double-sign-candidate", []byte(doubleSign.String())).
|
|
Msg("double sign notified by consensus leader")
|
|
// no point to broadcast the slash if we aren't even in the right epoch yet
|
|
if !node.Blockchain().Config().IsStaking(
|
|
node.Blockchain().CurrentHeader().Epoch(),
|
|
) {
|
|
return
|
|
}
|
|
if hooks := node.NodeConfig.WebHooks.Hooks; hooks != nil {
|
|
if s := hooks.Slashing; s != nil {
|
|
url := s.OnNoticeDoubleSign
|
|
go func() { webhooks.DoPost(url, &doubleSign) }()
|
|
}
|
|
}
|
|
if !node.IsRunningBeaconChain() {
|
|
go node.BroadcastSlash(&doubleSign)
|
|
} else {
|
|
records := slash.Records{doubleSign}
|
|
if err := node.Blockchain().AddPendingSlashingCandidates(
|
|
records,
|
|
); err != nil {
|
|
utils.Logger().Err(err).Msg("could not add new slash to ending slashes")
|
|
}
|
|
}
|
|
}
|
|
}()
|
|
}
|
|
|
|
// update reward values now that node is ready
|
|
node.updateInitialRewardValues()
|
|
|
|
// init metrics
|
|
initMetrics()
|
|
nodeStringCounterVec.WithLabelValues("version", nodeconfig.GetVersion()).Inc()
|
|
|
|
node.serviceManager = service.NewManager()
|
|
|
|
return &node
|
|
}
|
|
|
|
// updateInitialRewardValues using the node data
|
|
func (node *Node) updateInitialRewardValues() {
|
|
numShards := shard.Schedule.InstanceForEpoch(node.Beaconchain().CurrentHeader().Epoch()).NumShards()
|
|
initTotal := big.NewInt(0)
|
|
for i := uint32(0); i < numShards; i++ {
|
|
initTotal = new(big.Int).Add(core.GetInitialFunds(i), initTotal)
|
|
}
|
|
reward.SetTotalInitialTokens(initTotal)
|
|
}
|
|
|
|
// InitConsensusWithValidators initialize shard state
|
|
// from latest epoch and update committee pub
|
|
// keys for consensus
|
|
func (node *Node) InitConsensusWithValidators() (err error) {
|
|
if node.Consensus == nil {
|
|
utils.Logger().Error().
|
|
Msg("[InitConsensusWithValidators] consenus is nil; Cannot figure out shardID")
|
|
return errors.New(
|
|
"[InitConsensusWithValidators] consenus is nil; Cannot figure out shardID",
|
|
)
|
|
}
|
|
shardID := node.Consensus.ShardID
|
|
blockNum := node.Blockchain().CurrentBlock().NumberU64()
|
|
node.Consensus.SetMode(consensus.Listening)
|
|
epoch := shard.Schedule.CalcEpochNumber(blockNum)
|
|
utils.Logger().Info().
|
|
Uint64("blockNum", blockNum).
|
|
Uint32("shardID", shardID).
|
|
Uint64("epoch", epoch.Uint64()).
|
|
Msg("[InitConsensusWithValidators] Try To Get PublicKeys")
|
|
shardState, err := committee.WithStakingEnabled.Compute(
|
|
epoch, node.Consensus.Blockchain,
|
|
)
|
|
if err != nil {
|
|
utils.Logger().Err(err).
|
|
Uint64("blockNum", blockNum).
|
|
Uint32("shardID", shardID).
|
|
Uint64("epoch", epoch.Uint64()).
|
|
Msg("[InitConsensusWithValidators] Failed getting shard state")
|
|
return err
|
|
}
|
|
subComm, err := shardState.FindCommitteeByID(shardID)
|
|
if err != nil {
|
|
utils.Logger().Err(err).
|
|
Interface("shardState", shardState).
|
|
Msg("[InitConsensusWithValidators] Find CommitteeByID")
|
|
return err
|
|
}
|
|
pubKeys, err := subComm.BLSPublicKeys()
|
|
if err != nil {
|
|
utils.Logger().Error().
|
|
Uint32("shardID", shardID).
|
|
Uint64("blockNum", blockNum).
|
|
Msg("[InitConsensusWithValidators] PublicKeys is Empty, Cannot update public keys")
|
|
return errors.Wrapf(
|
|
err,
|
|
"[InitConsensusWithValidators] PublicKeys is Empty, Cannot update public keys",
|
|
)
|
|
}
|
|
|
|
for _, key := range pubKeys {
|
|
if node.Consensus.GetPublicKeys().Contains(key.Object) {
|
|
utils.Logger().Info().
|
|
Uint64("blockNum", blockNum).
|
|
Int("numPubKeys", len(pubKeys)).
|
|
Str("mode", node.Consensus.Mode().String()).
|
|
Msg("[InitConsensusWithValidators] Successfully updated public keys")
|
|
node.Consensus.UpdatePublicKeys(pubKeys)
|
|
node.Consensus.SetMode(consensus.Normal)
|
|
return nil
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// AddPeers adds neighbors nodes
|
|
func (node *Node) AddPeers(peers []*p2p.Peer) int {
|
|
for _, p := range peers {
|
|
key := fmt.Sprintf("%s:%s:%s", p.IP, p.Port, p.PeerID)
|
|
_, ok := node.Neighbors.LoadOrStore(key, *p)
|
|
if !ok {
|
|
// !ok means new peer is stored
|
|
node.host.AddPeer(p)
|
|
continue
|
|
}
|
|
}
|
|
|
|
return node.host.GetPeerCount()
|
|
}
|
|
|
|
// AddBeaconPeer adds beacon chain neighbors nodes
|
|
// Return false means new neighbor peer was added
|
|
// Return true means redundant neighbor peer wasn't added
|
|
func (node *Node) AddBeaconPeer(p *p2p.Peer) bool {
|
|
key := fmt.Sprintf("%s:%s:%s", p.IP, p.Port, p.PeerID)
|
|
_, ok := node.BeaconNeighbors.LoadOrStore(key, *p)
|
|
return ok
|
|
}
|
|
|
|
func (node *Node) initNodeConfiguration() (service.NodeConfig, chan p2p.Peer, error) {
|
|
chanPeer := make(chan p2p.Peer)
|
|
nodeConfig := service.NodeConfig{
|
|
Beacon: nodeconfig.NewGroupIDByShardID(shard.BeaconChainShardID),
|
|
ShardGroupID: node.NodeConfig.GetShardGroupID(),
|
|
Actions: map[nodeconfig.GroupID]nodeconfig.ActionType{},
|
|
}
|
|
|
|
groups := []nodeconfig.GroupID{
|
|
node.NodeConfig.GetShardGroupID(),
|
|
node.NodeConfig.GetClientGroupID(),
|
|
}
|
|
|
|
// force the side effect of topic join
|
|
if err := node.host.SendMessageToGroups(groups, []byte{}); err != nil {
|
|
return nodeConfig, nil, err
|
|
}
|
|
|
|
return nodeConfig, chanPeer, nil
|
|
}
|
|
|
|
// ServiceManager ...
|
|
func (node *Node) ServiceManager() *service.Manager {
|
|
return node.serviceManager
|
|
}
|
|
|
|
// ShutDown gracefully shut down the node server and dump the in-memory blockchain state into DB.
|
|
func (node *Node) ShutDown() {
|
|
if err := node.StopRPC(); err != nil {
|
|
utils.Logger().Error().Err(err).Msg("failed to stop RPC")
|
|
}
|
|
|
|
utils.Logger().Info().Msg("stopping rosetta")
|
|
if err := node.StopRosetta(); err != nil {
|
|
utils.Logger().Error().Err(err).Msg("failed to stop rosetta")
|
|
}
|
|
|
|
utils.Logger().Info().Msg("stopping services")
|
|
if err := node.StopServices(); err != nil {
|
|
utils.Logger().Error().Err(err).Msg("failed to stop services")
|
|
}
|
|
|
|
// Currently pubSub need to be stopped after consensus.
|
|
utils.Logger().Info().Msg("stopping pub-sub")
|
|
node.StopPubSub()
|
|
|
|
utils.Logger().Info().Msg("stopping host")
|
|
if err := node.host.Close(); err != nil {
|
|
utils.Logger().Error().Err(err).Msg("failed to stop p2p host")
|
|
}
|
|
|
|
node.Blockchain().Stop()
|
|
node.Beaconchain().Stop()
|
|
|
|
const msg = "Successfully shut down!\n"
|
|
utils.Logger().Print(msg)
|
|
fmt.Print(msg)
|
|
os.Exit(0)
|
|
}
|
|
|
|
func (node *Node) populateSelfAddresses(epoch *big.Int) {
|
|
// reset the self addresses
|
|
node.KeysToAddrs = map[string]common.Address{}
|
|
node.keysToAddrsEpoch = epoch
|
|
|
|
shardID := node.Consensus.ShardID
|
|
shardState, err := node.Consensus.Blockchain.ReadShardState(epoch)
|
|
if err != nil {
|
|
utils.Logger().Error().Err(err).
|
|
Int64("epoch", epoch.Int64()).
|
|
Uint32("shard-id", shardID).
|
|
Msg("[PopulateSelfAddresses] failed to read shard")
|
|
return
|
|
}
|
|
|
|
committee, err := shardState.FindCommitteeByID(shardID)
|
|
if err != nil {
|
|
utils.Logger().Error().Err(err).
|
|
Int64("epoch", epoch.Int64()).
|
|
Uint32("shard-id", shardID).
|
|
Msg("[PopulateSelfAddresses] failed to find shard committee")
|
|
return
|
|
}
|
|
|
|
for _, blskey := range node.Consensus.GetPublicKeys() {
|
|
blsStr := blskey.Bytes.Hex()
|
|
shardkey := bls.FromLibBLSPublicKeyUnsafe(blskey.Object)
|
|
if shardkey == nil {
|
|
utils.Logger().Error().
|
|
Int64("epoch", epoch.Int64()).
|
|
Uint32("shard-id", shardID).
|
|
Str("blskey", blsStr).
|
|
Msg("[PopulateSelfAddresses] failed to get shard key from bls key")
|
|
return
|
|
}
|
|
addr, err := committee.AddressForBLSKey(*shardkey)
|
|
if err != nil {
|
|
utils.Logger().Error().Err(err).
|
|
Int64("epoch", epoch.Int64()).
|
|
Uint32("shard-id", shardID).
|
|
Str("blskey", blsStr).
|
|
Msg("[PopulateSelfAddresses] could not find address")
|
|
return
|
|
}
|
|
node.KeysToAddrs[blsStr] = *addr
|
|
utils.Logger().Debug().
|
|
Int64("epoch", epoch.Int64()).
|
|
Uint32("shard-id", shardID).
|
|
Str("bls-key", blsStr).
|
|
Str("address", common2.MustAddressToBech32(*addr)).
|
|
Msg("[PopulateSelfAddresses]")
|
|
}
|
|
}
|
|
|
|
// GetAddressForBLSKey retrieves the ECDSA address associated with bls key for epoch
|
|
func (node *Node) GetAddressForBLSKey(blskey *bls_core.PublicKey, epoch *big.Int) common.Address {
|
|
// populate if first time setting or new epoch
|
|
node.keysToAddrsMutex.Lock()
|
|
defer node.keysToAddrsMutex.Unlock()
|
|
if node.keysToAddrsEpoch == nil || epoch.Cmp(node.keysToAddrsEpoch) != 0 {
|
|
node.populateSelfAddresses(epoch)
|
|
}
|
|
blsStr := blskey.SerializeToHexStr()
|
|
addr, ok := node.KeysToAddrs[blsStr]
|
|
if !ok {
|
|
return common.Address{}
|
|
}
|
|
return addr
|
|
}
|
|
|
|
// GetAddresses retrieves all ECDSA addresses of the bls keys for epoch
|
|
func (node *Node) GetAddresses(epoch *big.Int) map[string]common.Address {
|
|
// populate if first time setting or new epoch
|
|
node.keysToAddrsMutex.Lock()
|
|
defer node.keysToAddrsMutex.Unlock()
|
|
if node.keysToAddrsEpoch == nil || epoch.Cmp(node.keysToAddrsEpoch) != 0 {
|
|
node.populateSelfAddresses(epoch)
|
|
}
|
|
// self addresses map can never be nil
|
|
return node.KeysToAddrs
|
|
}
|
|
|
|
// IsRunningBeaconChain returns whether the node is running on beacon chain.
|
|
func (node *Node) IsRunningBeaconChain() bool {
|
|
return node.NodeConfig.ShardID == shard.BeaconChainShardID
|
|
}
|
|
|