Add shard state into genesis and fix shard state hashing bug

pull/1096/head
Rongjian Lan 5 years ago
parent fc91b1edd4
commit c7971dbb83
  1. 2
      cmd/harmony/main.go
  2. 46
      core/blockchain.go
  3. 9
      core/gen_genesis.go
  4. 44
      core/genesis.go
  5. 5
      core/headerchain.go
  6. 13
      core/rawdb/accessors_chain.go
  7. 14
      core/rawdb/accessors_chain_test.go
  8. 9
      core/resharding.go
  9. 37
      core/types/block.go
  10. 19
      core/types/shard_state.go
  11. 10
      core/types/shard_state_test.go
  12. 1
      go.mod
  13. 4
      node/node.go
  14. 20
      node/node_genesis.go
  15. 23
      node/node_handler.go
  16. 8
      node/node_newblock.go
  17. 8
      node/worker/worker.go

@ -413,7 +413,7 @@ func setUpConsensusAndNode(nodeConfig *nodeconfig.ConfigType) *node.Node {
// This needs to be executed after consensus and drand are setup
if !*isNewNode || *shardID > -1 { // initial staking new node doesn't need to initialize shard state
// TODO: Have a better why to distinguish non-genesis node
// TODO: Have a better way to distinguish non-genesis node
if err := currentNode.InitShardState(*shardID == -1 && !*isNewNode); err != nil {
ctxerror.Crit(utils.GetLogger(), err, "InitShardState failed",
"shardID", *shardID, "isNewNode", *isNewNode)

@ -22,7 +22,6 @@ import (
"fmt"
"io"
"math/big"
mrand "math/rand"
"sync"
"sync/atomic"
"time"
@ -945,25 +944,12 @@ func (bc *BlockChain) WriteBlockWithState(block *types.Block, receipts []*types.
bc.wg.Add(1)
defer bc.wg.Done()
// Calculate the total difficulty of the block
ptd := bc.GetTd(block.ParentHash(), block.NumberU64()-1)
if ptd == nil {
return NonStatTy, consensus_engine.ErrUnknownAncestor
}
// Make sure no inconsistent state is leaked during insertion
bc.mu.Lock()
defer bc.mu.Unlock()
currentBlock := bc.CurrentBlock()
localTd := bc.GetTd(currentBlock.Hash(), currentBlock.NumberU64())
// Set the block's own difficulty to 1
// TODO: fix the difficulty issue
externTd := new(big.Int).Add(big.NewInt(1), ptd)
// Irrelevant of the canonical status, write the block itself to the database
if err := bc.hc.WriteTd(block.Hash(), block.NumberU64(), externTd); err != nil {
return NonStatTy, err
}
rawdb.WriteBlock(bc.db, block)
root, err := state.Commit(bc.chainConfig.IsEIP158(block.Number()))
@ -1026,21 +1012,8 @@ func (bc *BlockChain) WriteBlockWithState(block *types.Block, receipts []*types.
// If the total difficulty is higher than our known, add it to the canonical chain
// Second clause in the if statement reduces the vulnerability to selfish mining.
// Please refer to http://www.cs.cornell.edu/~ie53/publications/btcProcFC.pdf
reorg := externTd.Cmp(localTd) > 0
currentBlock = bc.CurrentBlock()
if !reorg && externTd.Cmp(localTd) == 0 {
// Split same-difficulty blocks by number, then preferentially select
// the block generated by the local miner as the canonical block.
if block.NumberU64() < currentBlock.NumberU64() {
reorg = true
} else if block.NumberU64() == currentBlock.NumberU64() {
var currentPreserve, blockPreserve bool
if bc.shouldPreserve != nil {
currentPreserve, blockPreserve = bc.shouldPreserve(currentBlock), bc.shouldPreserve(block)
}
reorg = !currentPreserve && (blockPreserve || mrand.Float64() < 0.5)
}
}
// TODO: figure out reorg issue
reorg := true
if reorg {
// Reorganise the chain if the parent is not the head block
if block.ParentHash() != currentBlock.Hash() {
@ -1086,7 +1059,7 @@ func (bc *BlockChain) InsertChain(chain types.Blocks) (int, error) {
"parentHash", header.ParentHash)
if header.ShardStateHash != (common.Hash{}) {
epoch := new(big.Int).Add(header.Epoch, common.Big1)
err = bc.WriteShardState(epoch, header.ShardState)
err = bc.WriteShardStateBytes(epoch, header.ShardState)
if err != nil {
ctxerror.Log15(header.Logger(utils.GetLogger()).Warn,
ctxerror.New("cannot store shard state").WithCause(err))
@ -1703,6 +1676,19 @@ func (bc *BlockChain) WriteShardState(
return nil
}
// WriteShardStateBytes saves the given sharding state under the given epoch number.
func (bc *BlockChain) WriteShardStateBytes(
epoch *big.Int, shardState []byte,
) error {
err := rawdb.WriteShardStateBytes(bc.db, epoch, shardState)
if err != nil {
return err
}
cacheKey := string(epoch.Bytes())
bc.shardStateCache.Add(cacheKey, shardState)
return nil
}
// GetVdfByNumber retrieves the rand seed given the block number, return 0 if not exist
func (bc *BlockChain) GetVdfByNumber(number uint64) [32]byte {
header := bc.GetHeaderByNumber(number)

@ -5,8 +5,6 @@ package core
import (
"encoding/json"
"errors"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/common/math"
@ -24,7 +22,6 @@ func (g Genesis) MarshalJSON() ([]byte, error) {
Timestamp math.HexOrDecimal64 `json:"timestamp"`
ExtraData hexutil.Bytes `json:"extraData"`
GasLimit math.HexOrDecimal64 `json:"gasLimit" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"difficulty" gencodec:"required"`
Mixhash common.Hash `json:"mixHash"`
Coinbase common.Address `json:"coinbase"`
Alloc map[common.UnprefixedAddress]GenesisAccount `json:"alloc" gencodec:"required"`
@ -40,7 +37,6 @@ func (g Genesis) MarshalJSON() ([]byte, error) {
enc.Timestamp = math.HexOrDecimal64(g.Timestamp)
enc.ExtraData = g.ExtraData
enc.GasLimit = math.HexOrDecimal64(g.GasLimit)
enc.Difficulty = (*math.HexOrDecimal256)(g.Difficulty)
enc.Mixhash = g.Mixhash
enc.Coinbase = g.Coinbase
if g.Alloc != nil {
@ -65,7 +61,6 @@ func (g *Genesis) UnmarshalJSON(input []byte) error {
Timestamp *math.HexOrDecimal64 `json:"timestamp"`
ExtraData *hexutil.Bytes `json:"extraData"`
GasLimit *math.HexOrDecimal64 `json:"gasLimit" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"difficulty" gencodec:"required"`
Mixhash *common.Hash `json:"mixHash"`
Coinbase *common.Address `json:"coinbase"`
Alloc map[common.UnprefixedAddress]GenesisAccount `json:"alloc" gencodec:"required"`
@ -97,10 +92,6 @@ func (g *Genesis) UnmarshalJSON(input []byte) error {
return errors.New("missing required field 'gasLimit' for Genesis")
}
g.GasLimit = uint64(*dec.GasLimit)
if dec.Difficulty == nil {
return errors.New("missing required field 'difficulty' for Genesis")
}
g.Difficulty = (*big.Int)(dec.Difficulty)
if dec.Mixhash != nil {
g.Mixhash = *dec.Mixhash
}

@ -25,6 +25,8 @@ import (
"math/big"
"os"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/common/math"
@ -50,13 +52,12 @@ type Genesis struct {
ShardID uint32 `json:"shardID"`
Timestamp uint64 `json:"timestamp"`
ExtraData []byte `json:"extraData"`
GasLimit uint64 `json:"gasLimit" gencodec:"required"`
Difficulty *big.Int `json:"difficulty" gencodec:"required"`
GasLimit uint64 `json:"gasLimit" gencodec:"required"`
Mixhash common.Hash `json:"mixHash"`
Coinbase common.Address `json:"coinbase"`
Alloc GenesisAlloc `json:"alloc" gencodec:"required"`
ShardStateHash common.Hash `json:"shardStateHash"`
ShardState types.ShardState `json:"shardState"`
Alloc GenesisAlloc `json:"alloc" gencodec:"required"`
ShardStateHash common.Hash `json:"shardStateHash" gencodec:"required"`
ShardState types.ShardState `json:"shardState" gencodec:"required"`
// These fields are used for consensus tests. Please don't use them
// in actual genesis blocks.
@ -238,6 +239,11 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
}
}
root := statedb.IntermediateRoot(false)
shardStateBytes, err := rlp.EncodeToBytes(g.ShardState)
if err != nil {
utils.GetLogInstance().Error("failed to rlp-serialize genesis shard state")
os.Exit(1)
}
head := &types.Header{
Number: new(big.Int).SetUint64(g.Number),
Epoch: big.NewInt(0),
@ -251,7 +257,7 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
Coinbase: g.Coinbase,
Root: root,
ShardStateHash: g.ShardStateHash,
// ShardState is absent in epoch block; genesis shard state is implied
ShardState: shardStateBytes,
}
if g.GasLimit == 0 {
head.GasLimit = 10000000000 // TODO(RJ): figure out better solution. // params.GenesisGasLimit
@ -269,13 +275,19 @@ func (g *Genesis) Commit(db ethdb.Database) (*types.Block, error) {
if block.Number().Sign() != 0 {
return nil, fmt.Errorf("can't commit genesis block with number > 0")
}
rawdb.WriteTd(db, block.Hash(), block.NumberU64(), g.Difficulty)
rawdb.WriteBlock(db, block)
rawdb.WriteReceipts(db, block.Hash(), block.NumberU64(), nil)
rawdb.WriteCanonicalHash(db, block.Hash(), block.NumberU64())
rawdb.WriteHeadBlockHash(db, block.Hash())
rawdb.WriteHeadHeaderHash(db, block.Hash())
err := rawdb.WriteShardStateBytes(db, block.Header().Epoch, block.Header().ShardState)
if err != nil {
log.Crit("Failed to store genesis shard state", "err", err)
}
config := g.Config
if config == nil {
config = params.AllEthashProtocolChanges
@ -303,12 +315,11 @@ func GenesisBlockForTesting(db ethdb.Database, addr common.Address, balance *big
// DefaultGenesisBlock returns the Ethereum main net genesis block.
func DefaultGenesisBlock() *Genesis {
return &Genesis{
Config: params.MainnetChainConfig,
Nonce: 66,
ExtraData: hexutil.MustDecode("0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"),
GasLimit: 5000,
Difficulty: big.NewInt(17179869184),
Alloc: decodePrealloc("empty"),
Config: params.MainnetChainConfig,
Nonce: 66,
ExtraData: hexutil.MustDecode("0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"),
GasLimit: 5000,
Alloc: decodePrealloc("empty"),
}
}
@ -321,10 +332,9 @@ func DeveloperGenesisBlock(period uint64, faucet common.Address) *Genesis {
// Assemble and return the genesis with the precompiles and faucet pre-funded
return &Genesis{
Config: &config,
ExtraData: append(append(make([]byte, 32), faucet[:]...), make([]byte, 65)...),
GasLimit: 6283185,
Difficulty: big.NewInt(1),
Config: &config,
ExtraData: append(append(make([]byte, 32), faucet[:]...), make([]byte, 65)...),
GasLimit: 6283185,
Alloc: map[common.Address]GenesisAccount{
common.BytesToAddress([]byte{1}): {Balance: big.NewInt(1)}, // ECRecover
common.BytesToAddress([]byte{2}): {Balance: big.NewInt(1)}, // SHA256

@ -137,11 +137,6 @@ func (hc *HeaderChain) WriteHeader(header *types.Header) (status WriteStatus, er
hash = header.Hash()
number = header.Number.Uint64()
)
// Calculate the total difficulty of the header
ptd := hc.GetTd(header.ParentHash, number-1)
if ptd == nil {
return NonStatTy, consensus_engine.ErrUnknownAncestor
}
// TODO: implement fork choice mechanism
//localTd := hc.GetTd(hc.currentHeaderHash, hc.CurrentHeader().Number.Uint64())
//externTd := new(big.Int).Add(header.Difficulty, ptd)

@ -358,7 +358,9 @@ func WriteBlock(db DatabaseWriter, block *types.Block) {
// Genesis block; record this block's epoch and block numbers.
writeOne()
}
if len(block.Header().ShardState) > 0 {
// TODO: don't change epoch based on shard state presence
if len(block.Header().ShardState) > 0 && block.NumberU64() != 0 {
// End-of-epoch block; record the next epoch after this block.
epoch = new(big.Int).Add(epoch, common.Big1)
epochBlockNum = new(big.Int).Add(epochBlockNum, common.Big1)
@ -430,13 +432,20 @@ func WriteShardState(
"epoch", epoch,
).WithCause(err)
}
return WriteShardStateBytes(db, epoch, data)
}
// WriteShardStateBytes stores sharding state into database.
func WriteShardStateBytes(
db DatabaseWriter, epoch *big.Int, data []byte,
) (err error) {
if err = db.Put(shardStateKey(epoch), data); err != nil {
return ctxerror.New("cannot write sharding state",
"epoch", epoch,
).WithCause(err)
}
utils.GetLogger().Info("wrote sharding state",
"epoch", epoch, "numShards", len(shardState))
"epoch", epoch, "numShards", len(data))
return nil
}

@ -115,9 +115,7 @@ func TestBlockStorage(t *testing.T) {
ReceiptHash: types.EmptyRootHash,
Epoch: big.NewInt(0),
Number: big.NewInt(0),
ShardState: types.ShardState{
{},
},
ShardState: []byte("dummy data"),
})
if entry := ReadBlock(db, block.Hash(), block.NumberU64()); entry != nil {
t.Fatalf("Non existent block returned: %v", entry)
@ -150,11 +148,11 @@ func TestBlockStorage(t *testing.T) {
} else if expected := big.NewInt(0); actual.Cmp(expected) != 0 {
t.Fatalf("Genesis epoch block number mismatch: have %v, want %v", actual, expected)
}
if actual, err := ReadEpochBlockNumber(db, big.NewInt(1)); err != nil {
t.Fatalf("Next epoch block number not found, error=%#v", err)
} else if expected := big.NewInt(1); actual.Cmp(expected) != 0 {
t.Fatalf("Next epoch block number mismatch: have %v, want %v", actual, expected)
}
//if actual, err := ReadEpochBlockNumber(db, big.NewInt(1)); err != nil {
// t.Fatalf("Next epoch block number not found, error=%#v", err)
//} else if expected := big.NewInt(1); actual.Cmp(expected) != 0 {
// t.Fatalf("Next epoch block number mismatch: have %v, want %v", actual, expected)
//}
// Delete the block and verify the execution
DeleteBlock(db, block.Hash(), block.NumberU64())
if entry := ReadBlock(db, block.Hash(), block.NumberU64()); entry != nil {

@ -2,6 +2,7 @@ package core
import (
"encoding/binary"
"errors"
"math/big"
"math/rand"
"sort"
@ -25,9 +26,9 @@ const (
// GenesisShardNum is the number of shard at genesis
GenesisShardNum = 4
// GenesisShardSize is the size of each shard at genesis
GenesisShardSize = 100
GenesisShardSize = 5
// GenesisShardHarmonyNodes is the number of harmony node at each shard
GenesisShardHarmonyNodes = 72
GenesisShardHarmonyNodes = 5
// CuckooRate is the percentage of nodes getting reshuffled in the second step of cuckoo resharding.
CuckooRate = 0.1
)
@ -159,6 +160,9 @@ func GetEpochFromBlockNumber(blockNumber uint64) uint64 {
// GetShardingStateFromBlockChain will retrieve random seed and shard map from beacon chain for given a epoch
func GetShardingStateFromBlockChain(bc *BlockChain, epoch *big.Int) (*ShardingState, error) {
if bc == nil {
return nil, errors.New("no blockchain is supplied to get shard state")
}
shardState, err := bc.ReadShardState(epoch)
if err != nil {
return nil, err
@ -221,6 +225,7 @@ func (ss *ShardingState) UpdateShardingState(stakeInfo *map[common.Address]*stru
// GetInitShardState returns the initial shard state at genesis.
func GetInitShardState() types.ShardState {
utils.GetLogInstance().Info("Generating Genesis Shard State.")
shardState := types.ShardState{}
for i := 0; i < GenesisShardNum; i++ {
com := types.Committee{ShardID: uint32(i)}

@ -95,8 +95,8 @@ type Header struct {
Vdf [258]byte `json:"vdf"`
VdfProof [258]byte `json:"vdfProof"`
ShardStateHash common.Hash `json:"shardStateRoot"`
ShardState ShardState `json:"shardState"`
CrossLinks [][]byte `json:"crossLinks"`
ShardState []byte `json:"shardState"`
CrossLinks []byte `json:"crossLinks"`
}
// field type overrides for gencodec
@ -133,6 +133,16 @@ func (h *Header) Logger(logger log.Logger) log.Logger {
)
}
// GetShardState returns the deserialized shard state object.
func (h *Header) GetShardState() (ShardState, error) {
shardState := ShardState{}
err := rlp.DecodeBytes(h.ShardState, &shardState)
if err != nil {
return nil, err
}
return shardState, nil
}
func rlpHash(x interface{}) (h common.Hash) {
hw := sha3.NewLegacyKeccak256()
rlp.Encode(hw, x)
@ -159,6 +169,7 @@ type Block struct {
// Td is used by package core to store the total difficulty
// of the chain up to and including the block.
// TODO: use it as chain weight (e.g. signatures/stakes)
td *big.Int
// These fields are used by package eth to track
@ -226,7 +237,7 @@ type storageblock struct {
// are ignored and set to values derived from the given txs,
// and receipts.
func NewBlock(header *Header, txs []*Transaction, receipts []*Receipt) *Block {
b := &Block{header: CopyHeader(header), td: new(big.Int)}
b := &Block{header: CopyHeader(header)}
// TODO: panic if len(txs) != len(receipts)
if len(txs) == 0 {
@ -265,10 +276,21 @@ func CopyHeader(h *Header) *Header {
if cpy.Number = new(big.Int); h.Number != nil {
cpy.Number.Set(h.Number)
}
if cpy.Epoch = new(big.Int); h.Epoch != nil {
cpy.Epoch.Set(h.Epoch)
}
if len(h.Extra) > 0 {
cpy.Extra = make([]byte, len(h.Extra))
copy(cpy.Extra, h.Extra)
}
if len(h.ShardState) > 0 {
cpy.ShardState = make([]byte, len(h.ShardState))
copy(cpy.ShardState, h.ShardState)
}
if len(h.CrossLinks) > 0 {
cpy.CrossLinks = make([]byte, len(h.CrossLinks))
copy(cpy.CrossLinks, h.CrossLinks)
}
return &cpy
}
@ -485,12 +507,17 @@ func (b *Block) AddVrf(vrf [32]byte) {
}
// AddShardState add shardState into block header
func (b *Block) AddShardState(shardState ShardState) {
func (b *Block) AddShardState(shardState ShardState) error {
// Make a copy because ShardState.Hash() internally sorts entries.
// Store the sorted copy.
shardState = append(shardState[:0:0], shardState...)
b.header.ShardStateHash = shardState.Hash()
b.header.ShardState = shardState
data, err := rlp.EncodeToBytes(shardState)
if err != nil {
return err
}
b.header.ShardState = data
return nil
}
// Logger returns a sub-logger with block contexts added.

@ -145,8 +145,9 @@ type Committee struct {
// DeepCopy returns a deep copy of the receiver.
func (c Committee) DeepCopy() Committee {
r := c
r.NodeList = r.NodeList.DeepCopy()
r := Committee{}
r.ShardID = c.ShardID
r.NodeList = c.NodeList.DeepCopy()
return r
}
@ -165,16 +166,13 @@ func CompareCommittee(c1, c2 *Committee) int {
}
// GetHashFromNodeList will sort the list, then use Keccak256 to hash the list
// notice that the input nodeList will be modified (sorted)
// NOTE: do not modify the underlining content for hash
func GetHashFromNodeList(nodeList []NodeID) []byte {
// in general, nodeList should not be empty
if nodeList == nil || len(nodeList) == 0 {
return []byte{}
}
sort.Slice(nodeList, func(i, j int) bool {
return CompareNodeIDByBLSKey(nodeList[i], nodeList[j]) == -1
})
d := sha3.NewLegacyKeccak256()
for i := range nodeList {
d.Write(nodeList[i].Serialize())
@ -186,12 +184,13 @@ func GetHashFromNodeList(nodeList []NodeID) []byte {
func (ss ShardState) Hash() (h common.Hash) {
// TODO ek – this sorting really doesn't belong here; it should instead
// be made an explicit invariant to be maintained and, if needed, checked.
sort.Slice(ss, func(i, j int) bool {
return ss[i].ShardID < ss[j].ShardID
copy := ss.DeepCopy()
sort.Slice(copy, func(i, j int) bool {
return copy[i].ShardID < copy[j].ShardID
})
d := sha3.NewLegacyKeccak256()
for i := range ss {
hash := GetHashFromNodeList(ss[i].NodeList)
for i := range copy {
hash := GetHashFromNodeList(copy[i].NodeList)
d.Write(hash)
}
d.Sum(h[:0])

@ -43,8 +43,8 @@ func TestGetHashFromNodeList(t *testing.T) {
h1 := GetHashFromNodeList(l1)
h2 := GetHashFromNodeList(l2)
if bytes.Compare(h1, h2) != 0 {
t.Error("node list l1 and l2 should have equal hash")
if bytes.Compare(h1, h2) == 0 {
t.Error("node list l1 and l2 should be different")
}
}
@ -71,17 +71,17 @@ func TestHash(t *testing.T) {
com3 := Committee{
ShardID: 2,
NodeList: []NodeID{
{common.Address{0x66}, blsPubKey6},
{common.Address{0x55}, blsPubKey5},
{common.Address{0x44}, blsPubKey4},
{common.Address{0x55}, blsPubKey5},
{common.Address{0x66}, blsPubKey6},
},
}
com4 := Committee{
ShardID: 22,
NodeList: []NodeID{
{common.Address{0x11}, blsPubKey1},
{common.Address{0x12}, blsPubKey11},
{common.Address{0x23}, blsPubKey22},
{common.Address{0x11}, blsPubKey1},
},
}

@ -16,6 +16,7 @@ require (
github.com/fjl/memsize v0.0.0-20180929194037-2a09253e352a
github.com/garslo/gogen v0.0.0-20170307003452-d6ebae628c7c // indirect
github.com/go-ole/go-ole v1.2.4 // indirect
github.com/go-openapi/errors v0.19.2
github.com/go-stack/stack v1.8.0 // indirect
github.com/golang/mock v1.2.0
github.com/golang/protobuf v1.3.0

@ -322,8 +322,8 @@ func New(host p2p.Host, consensusObj *consensus.Consensus, chainDBFactory shardc
node.BlockChannel = make(chan *types.Block)
node.ConfirmedBlockChannel = make(chan *types.Block)
node.BeaconBlockChannel = make(chan *types.Block)
node.TxPool = core.NewTxPool(core.DefaultTxPoolConfig, params.TestChainConfig, chain)
node.Worker = worker.New(params.TestChainConfig, chain, node.Consensus, node.Consensus.SelfAddress, node.Consensus.ShardID)
node.TxPool = core.NewTxPool(core.DefaultTxPoolConfig, node.Blockchain().Config(), chain)
node.Worker = worker.New(node.Blockchain().Config(), chain, node.Consensus, node.Consensus.SelfAddress, node.Consensus.ShardID)
node.Consensus.VerifiedNewBlock = make(chan *types.Block)
// the sequence number is the next block number to be added in consensus protocol, which is always one more than current chain header block

@ -8,7 +8,6 @@ import (
"github.com/harmony-one/harmony/common/config"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/params"
@ -16,7 +15,6 @@ import (
"github.com/harmony-one/harmony/common/denominations"
"github.com/harmony-one/harmony/core"
"github.com/harmony-one/harmony/core/rawdb"
"github.com/harmony-one/harmony/core/types"
common2 "github.com/harmony-one/harmony/internal/common"
"github.com/harmony-one/harmony/internal/ctxerror"
@ -42,24 +40,21 @@ type genesisInitializer struct {
func (gi *genesisInitializer) InitChainDB(db ethdb.Database, shardID uint32) error {
shardState := core.GetInitShardState()
if shardID != 0 {
// store only the local shard
// store only the local shard for shard chains
c := shardState.FindCommitteeByID(shardID)
if c == nil {
return errors.New("cannot find local shard in genesis")
}
shardState = types.ShardState{*c}
}
if err := rawdb.WriteShardState(db, common.Big0, shardState); err != nil {
return ctxerror.New("cannot store epoch shard state").WithCause(err)
}
if err := gi.node.SetupGenesisBlock(db, shardID); err != nil {
if err := gi.node.SetupGenesisBlock(db, shardID, shardState); err != nil {
return ctxerror.New("cannot setup genesis block").WithCause(err)
}
return nil
}
// SetupGenesisBlock sets up a genesis blockchain.
func (node *Node) SetupGenesisBlock(db ethdb.Database, shardID uint32) error {
func (node *Node) SetupGenesisBlock(db ethdb.Database, shardID uint32, myShardState types.ShardState) error {
utils.GetLogger().Info("setting up a brand new chain database",
"shardID", shardID)
if shardID == node.Consensus.ShardID {
@ -93,12 +88,15 @@ func (node *Node) SetupGenesisBlock(db ethdb.Database, shardID uint32) error {
// AddNodeAddressesToGenesisAlloc(genesisAlloc)
}
// Initialize shard state
// TODO: add ShardID into chainconfig and change ChainID to NetworkID
chainConfig.ChainID = big.NewInt(int64(shardID)) // Use ChainID as piggybacked ShardID
gspec := core.Genesis{
Config: &chainConfig,
Alloc: genesisAlloc,
ShardID: shardID,
Config: &chainConfig,
Alloc: genesisAlloc,
ShardID: shardID,
ShardStateHash: myShardState.Hash(),
ShardState: myShardState.DeepCopy(),
}
// Store genesis block into db.

@ -297,7 +297,12 @@ func (node *Node) validateNewShardState(block *types.Block, stakeInfo *map[commo
// We aren't expecting to reshard, so proceed to sign
return nil
}
proposed := header.ShardState
var shardState *types.ShardState
err := rlp.DecodeBytes(header.ShardState, shardState)
if err != nil {
return err
}
proposed := *shardState
if block.ShardID() == 0 {
// Beacon validators independently recalculate the master state and
// compare it against the proposed copy.
@ -428,15 +433,25 @@ func (node *Node) PostConsensusProcessing(newBlock *types.Block) {
ctxerror.Log15(utils.GetLogInstance().Error, e)
}
}
node.transitionIntoNextEpoch(newBlockHeader.ShardState)
shardState, err := newBlockHeader.GetShardState()
if err != nil {
e := ctxerror.New("cannot get shard state from header").WithCause(err)
ctxerror.Log15(utils.GetLogInstance().Error, e)
} else {
node.transitionIntoNextEpoch(shardState)
}
}
}
func (node *Node) broadcastEpochShardState(newBlock *types.Block) error {
shardState, err := newBlock.Header().GetShardState()
if err != nil {
return err
}
epochShardStateMessage := proto_node.ConstructEpochShardStateMessage(
types.EpochShardState{
Epoch: newBlock.Header().Epoch.Uint64() + 1,
ShardState: newBlock.Header().ShardState,
ShardState: shardState,
},
)
return node.host.SendMessageToGroups(
@ -448,7 +463,7 @@ func (node *Node) broadcastEpochShardState(newBlock *types.Block) error {
func (node *Node) AddNewBlock(newBlock *types.Block) {
blockNum, err := node.Blockchain().InsertChain([]*types.Block{newBlock})
if err != nil {
utils.GetLogInstance().Debug("Error Adding new block to blockchain", "blockNum", blockNum, "hash", newBlock.Header().Hash(), "Error", err)
utils.GetLogInstance().Debug("Error Adding new block to blockchain", "blockNum", blockNum, "parentHash", newBlock.Header().ParentHash, "hash", newBlock.Header().Hash(), "Error", err)
} else {
utils.GetLogInstance().Info("Added New Block to Blockchain!!!", "blockNum", blockNum, "hash", newBlock.Header().Hash(), "by node", node.SelfPeer)
}

@ -124,8 +124,7 @@ func (node *Node) proposeBeaconShardState(block *types.Block) error {
if err != nil {
return err
}
block.AddShardState(shardState)
return nil
return block.AddShardState(shardState)
}
func (node *Node) proposeLocalShardState(block *types.Block) {
@ -153,5 +152,8 @@ func (node *Node) proposeLocalShardState(block *types.Block) {
getLogger().Info("beacon committee disowned us; proposing nothing")
// Leave local proposal empty to signal the end of shard (disbanding).
}
block.AddShardState(localShardState)
err := block.AddShardState(localShardState)
if err != nil {
getLogger().Error("Failed proposin local shard state", "error", err)
}
}

@ -114,7 +114,9 @@ func (w *Worker) UpdateCurrent() error {
timestamp := time.Now().Unix()
// New block's epoch is the same as parent's...
epoch := new(big.Int).Set(parent.Header().Epoch)
if len(parent.Header().ShardState) > 0 {
// TODO: Don't depend on sharding state for epoch change.
if len(parent.Header().ShardState) > 0 && parent.NumberU64() != 0 {
// ... except if parent has a resharding assignment it increases by 1.
epoch = epoch.Add(epoch, common.Big1)
}
@ -181,7 +183,9 @@ func New(config *params.ChainConfig, chain *core.BlockChain, engine consensus_en
timestamp := time.Now().Unix()
// New block's epoch is the same as parent's...
epoch := new(big.Int).Set(parent.Header().Epoch)
if len(parent.Header().ShardState) > 0 {
// TODO: Don't depend on sharding state for epoch change.
if len(parent.Header().ShardState) > 0 && parent.NumberU64() != 0 {
// ... except if parent has a resharding assignment it increases by 1.
epoch = epoch.Add(epoch, common.Big1)
}

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