/
metaBlock.go
525 lines (413 loc) · 11.3 KB
/
metaBlock.go
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//go:generate protoc -I=. -I=$GOPATH/src -I=$GOPATH/src/github.com/ME-MotherEarth/protobuf/protobuf --gogoslick_out=. metaBlock.proto
package block
import (
"math/big"
"sort"
"github.com/ME-MotherEarth/me-core/core"
"github.com/ME-MotherEarth/me-core/data"
"github.com/ME-MotherEarth/me-core/data/headerVersionData"
)
// don't break the interface
var _ = data.HeaderHandler(&MetaBlock{})
var _ = data.MetaHeaderHandler(&MetaBlock{})
// GetShardID returns the metachain shard id
func (m *MetaBlock) GetShardID() uint32 {
return core.MetachainShardId
}
// SetNonce sets header nonce
func (m *MetaBlock) SetNonce(n uint64) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.Nonce = n
return nil
}
// SetEpoch sets header epoch
func (m *MetaBlock) SetEpoch(e uint32) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.Epoch = e
return nil
}
// SetRound sets header round
func (m *MetaBlock) SetRound(r uint64) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.Round = r
return nil
}
// SetRootHash sets root hash
func (m *MetaBlock) SetRootHash(rHash []byte) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.RootHash = rHash
return nil
}
// SetValidatorStatsRootHash sets the root hash for the validator statistics trie
func (m *MetaBlock) SetValidatorStatsRootHash(rHash []byte) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.ValidatorStatsRootHash = rHash
return nil
}
// SetPrevHash sets prev hash
func (m *MetaBlock) SetPrevHash(pvHash []byte) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.PrevHash = pvHash
return nil
}
// SetPrevRandSeed sets the previous randomness seed
func (m *MetaBlock) SetPrevRandSeed(pvRandSeed []byte) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.PrevRandSeed = pvRandSeed
return nil
}
// SetRandSeed sets the current random seed
func (m *MetaBlock) SetRandSeed(randSeed []byte) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.RandSeed = randSeed
return nil
}
// SetPubKeysBitmap sets public key bitmap
func (m *MetaBlock) SetPubKeysBitmap(pkbm []byte) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.PubKeysBitmap = pkbm
return nil
}
// SetSignature set header signature
func (m *MetaBlock) SetSignature(sg []byte) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.Signature = sg
return nil
}
// SetLeaderSignature will set the leader's signature
func (m *MetaBlock) SetLeaderSignature(sg []byte) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.LeaderSignature = sg
return nil
}
// SetChainID sets the chain ID on which this block is valid on
func (m *MetaBlock) SetChainID(chainID []byte) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.ChainID = chainID
return nil
}
// SetSoftwareVersion sets the software version of the block
func (m *MetaBlock) SetSoftwareVersion(version []byte) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.SoftwareVersion = version
return nil
}
// SetAccumulatedFees sets the accumulated fees in the header
func (m *MetaBlock) SetAccumulatedFees(value *big.Int) error {
if m == nil {
return data.ErrNilPointerReceiver
}
if value == nil {
return data.ErrInvalidValue
}
if m.AccumulatedFees == nil {
m.AccumulatedFees = big.NewInt(0)
}
m.AccumulatedFees.Set(value)
return nil
}
// SetAccumulatedFeesInEpoch sets the epoch accumulated fees in the header
func (m *MetaBlock) SetAccumulatedFeesInEpoch(value *big.Int) error {
if m == nil {
return data.ErrNilPointerReceiver
}
if value == nil {
return data.ErrInvalidValue
}
if m.AccumulatedFeesInEpoch == nil {
m.AccumulatedFeesInEpoch = big.NewInt(0)
}
m.AccumulatedFeesInEpoch.Set(value)
return nil
}
// SetDeveloperFees sets the developer fees in the header
func (m *MetaBlock) SetDeveloperFees(value *big.Int) error {
if m == nil {
return data.ErrNilPointerReceiver
}
if value == nil {
return data.ErrInvalidValue
}
if m.DeveloperFees == nil {
m.DeveloperFees = big.NewInt(0)
}
m.DeveloperFees.Set(value)
return nil
}
// SetDevFeesInEpoch sets the developer fees in the header
func (m *MetaBlock) SetDevFeesInEpoch(value *big.Int) error {
if m == nil {
return data.ErrNilPointerReceiver
}
if value == nil {
return data.ErrInvalidValue
}
if m.DevFeesInEpoch == nil {
m.DevFeesInEpoch = big.NewInt(0)
}
m.DevFeesInEpoch.Set(value)
return nil
}
// SetTimeStamp sets header timestamp
func (m *MetaBlock) SetTimeStamp(ts uint64) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.TimeStamp = ts
return nil
}
// SetTxCount sets the transaction count of the current meta block
func (m *MetaBlock) SetTxCount(txCount uint32) error {
if m == nil {
return data.ErrNilPointerReceiver
}
m.TxCount = txCount
return nil
}
// SetShardID sets header shard ID
func (m *MetaBlock) SetShardID(_ uint32) error {
if m == nil {
return data.ErrNilPointerReceiver
}
return nil
}
// GetMiniBlockHeadersWithDst as a map of hashes and sender IDs
func (m *MetaBlock) GetMiniBlockHeadersWithDst(destId uint32) map[string]uint32 {
if m == nil {
return nil
}
hashDst := make(map[string]uint32)
for i := 0; i < len(m.ShardInfo); i++ {
if m.ShardInfo[i].ShardID == destId {
continue
}
for _, val := range m.ShardInfo[i].ShardMiniBlockHeaders {
if val.ReceiverShardID == destId && val.SenderShardID != destId {
hashDst[string(val.Hash)] = val.SenderShardID
}
}
}
for _, val := range m.MiniBlockHeaders {
isDestinationShard := (val.ReceiverShardID == destId ||
val.ReceiverShardID == core.AllShardId) &&
val.SenderShardID != destId
if isDestinationShard {
hashDst[string(val.Hash)] = val.SenderShardID
}
}
return hashDst
}
// GetOrderedCrossMiniblocksWithDst gets all cross miniblocks with the given destination shard ID, ordered in a
// chronological way, taking into consideration the round in which they were created/executed in the sender shard
func (m *MetaBlock) GetOrderedCrossMiniblocksWithDst(destId uint32) []*data.MiniBlockInfo {
if m == nil {
return nil
}
miniBlocks := make([]*data.MiniBlockInfo, 0)
for i := 0; i < len(m.ShardInfo); i++ {
if m.ShardInfo[i].ShardID == destId {
continue
}
for _, mb := range m.ShardInfo[i].ShardMiniBlockHeaders {
if mb.ReceiverShardID == destId && mb.SenderShardID != destId {
miniBlocks = append(miniBlocks, &data.MiniBlockInfo{
Hash: mb.Hash,
SenderShardID: mb.SenderShardID,
Round: m.ShardInfo[i].Round,
})
}
}
}
for _, mb := range m.MiniBlockHeaders {
isDestinationShard := (mb.ReceiverShardID == destId ||
mb.ReceiverShardID == core.AllShardId) &&
mb.SenderShardID != destId
if isDestinationShard {
miniBlocks = append(miniBlocks, &data.MiniBlockInfo{
Hash: mb.Hash,
SenderShardID: mb.SenderShardID,
Round: m.Round,
})
}
}
sort.Slice(miniBlocks, func(i, j int) bool {
return miniBlocks[i].Round < miniBlocks[j].Round
})
return miniBlocks
}
// GetMiniBlockHeadersHashes gets the miniblock hashes
func (m *MetaBlock) GetMiniBlockHeadersHashes() [][]byte {
if m == nil {
return nil
}
result := make([][]byte, 0, len(m.MiniBlockHeaders))
for _, miniblock := range m.MiniBlockHeaders {
result = append(result, miniblock.Hash)
}
return result
}
// IsInterfaceNil returns true if there is no value under the interface
func (m *MetaBlock) IsInterfaceNil() bool {
return m == nil
}
// IsStartOfEpochBlock verifies if the block is of type start of epoch
func (m *MetaBlock) IsStartOfEpochBlock() bool {
if m == nil {
return false
}
return len(m.EpochStart.LastFinalizedHeaders) > 0
}
// ShallowClone will return a clone of the object
func (m *MetaBlock) ShallowClone() data.HeaderHandler {
if m == nil {
return nil
}
metaBlockCopy := *m
return &metaBlockCopy
}
// GetMiniBlockHeaderHandlers returns the miniBlock headers as an array of miniBlock header handlers
func (m *MetaBlock) GetMiniBlockHeaderHandlers() []data.MiniBlockHeaderHandler {
if m == nil {
return nil
}
mbHeaders := m.GetMiniBlockHeaders()
mbHeaderHandlers := make([]data.MiniBlockHeaderHandler, len(mbHeaders))
for i := range mbHeaders {
mbHeaderHandlers[i] = &mbHeaders[i]
}
return mbHeaderHandlers
}
// HasScheduledSupport returns false as the initial metaBlock version does not support scheduled data
func (m *MetaBlock) HasScheduledSupport() bool {
return false
}
// HasScheduledMiniBlocks returns true if the metaBlock holds scheduled miniBlocks
func (m *MetaBlock) HasScheduledMiniBlocks() bool {
if m == nil {
return false
}
mbHeaderHandlers := m.GetMiniBlockHeaderHandlers()
for _, mbHeader := range mbHeaderHandlers {
processingType := ProcessingType(mbHeader.GetProcessingType())
if processingType == Scheduled {
return true
}
}
return false
}
// SetMiniBlockHeaderHandlers sets the miniBlock headers from the given miniBlock header handlers
func (m *MetaBlock) SetMiniBlockHeaderHandlers(mbHeaderHandlers []data.MiniBlockHeaderHandler) error {
if m == nil {
return data.ErrNilPointerReceiver
}
if mbHeaderHandlers == nil {
m.MiniBlockHeaders = nil
return nil
}
mbHeaders := make([]MiniBlockHeader, len(mbHeaderHandlers))
for i := range mbHeaderHandlers {
mbHeader, ok := mbHeaderHandlers[i].(*MiniBlockHeader)
if !ok {
return data.ErrInvalidTypeAssertion
}
if mbHeader == nil {
return data.ErrNilPointerDereference
}
mbHeaders[i] = *mbHeader
}
m.MiniBlockHeaders = mbHeaders
return nil
}
// SetReceiptsHash sets the receipts hash
func (m *MetaBlock) SetReceiptsHash(hash []byte) error {
if m == nil {
return nil
}
m.ReceiptsHash = hash
return nil
}
// GetShardInfoHandlers - gets the shardInfo as an array of ShardDataHandler
func (m *MetaBlock) GetShardInfoHandlers() []data.ShardDataHandler {
if m == nil || m.ShardInfo == nil {
return nil
}
shardInfoHandlers := make([]data.ShardDataHandler, len(m.ShardInfo))
for i := range m.ShardInfo {
shardInfoHandlers[i] = &m.ShardInfo[i]
}
return shardInfoHandlers
}
// GetEpochStartHandler -
func (m *MetaBlock) GetEpochStartHandler() data.EpochStartHandler {
if m == nil {
return nil
}
return &m.EpochStart
}
// SetShardInfoHandlers -
func (m *MetaBlock) SetShardInfoHandlers(shardInfo []data.ShardDataHandler) error {
if m == nil {
return data.ErrNilPointerReceiver
}
if shardInfo == nil {
m.ShardInfo = nil
return nil
}
sInfo := make([]ShardData, len(shardInfo))
for i := range shardInfo {
shData, ok := shardInfo[i].(*ShardData)
if !ok {
return data.ErrInvalidTypeAssertion
}
if shData == nil {
return data.ErrNilPointerDereference
}
sInfo[i] = *shData
}
m.ShardInfo = sInfo
return nil
}
// SetScheduledRootHash not supported on the first version of metablock
func (m *MetaBlock) SetScheduledRootHash(_ []byte) error {
return data.ErrScheduledRootHashNotSupported
}
// ValidateHeaderVersion - always valid for initial version
func (m *MetaBlock) ValidateHeaderVersion() error {
return nil
}
// SetAdditionalData sets the additional version-related data
func (m *MetaBlock) SetAdditionalData(_ headerVersionData.HeaderAdditionalData) error {
// no extra data for the initial version metaBlock header
return nil
}
// GetAdditionalData gets the additional version-related data for the header
func (m *MetaBlock) GetAdditionalData() headerVersionData.HeaderAdditionalData {
// no extra data for the initial version of meta block header
return nil
}