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chain_initcontext.go
179 lines (160 loc) · 4.66 KB
/
chain_initcontext.go
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package chain
import (
"log"
etypes "github.com/ethereum/go-ethereum/core/types"
"github.com/meverselabs/meverse/common"
"github.com/meverselabs/meverse/common/bin"
"github.com/meverselabs/meverse/common/hash"
"github.com/meverselabs/meverse/core/piledb"
"github.com/meverselabs/meverse/core/prefix"
"github.com/meverselabs/meverse/core/types"
"github.com/pkg/errors"
)
// Init initializes the chain
func (cn *Chain) UpdateInit(genesisContextData *types.ContextData) error {
cn.Lock()
defer cn.Unlock()
GenesisHash := hash.Hashes(hash.Hash(cn.store.ChainID().Bytes()), genesisContextData.Hash())
Height := cn.store.Height()
if Height > 0 {
if h, err := cn.store.Hash(0); err != nil {
return err
} else {
if GenesisHash != h {
return errors.WithStack(piledb.ErrInvalidGenesisHash)
}
}
} else {
if err := cn.store.UpdateStoreGenesis(GenesisHash, genesisContextData); err != nil {
return err
}
}
if err := cn.store.UpdatePrepare(); err != nil {
return err
}
// OnLoadChain
ctx := types.NewContext(cn.store)
for _, s := range cn.services {
if err := s.OnLoadChain(ctx); err != nil {
return err
}
}
//log.Println("Chain loaded", cn.store.Height(), ctx.PrevHash().String())
cn.isInit = true
return nil
}
// ConnectBlock try to connect block to the chain
func (cn *Chain) UpdateBlock(b *types.Block, SigMap map[hash.Hash256]common.Address) error {
cn.closeLock.RLock()
defer cn.closeLock.RUnlock()
if cn.isClose {
return errors.WithStack(ErrChainClosed)
}
cn.Lock()
defer cn.Unlock()
if err := cn.validateHeader(&b.Header); err != nil {
return err
}
ctx := types.NewContext(cn.store)
if receipts, err := cn.UpdateExecuteBlockOnContext(b, ctx, SigMap); err != nil {
return err
} else {
return cn.updateBlockWithContext(b, ctx, receipts)
}
}
func (cn *Chain) updateBlockWithContext(b *types.Block, ctx *types.Context, receipts types.Receipts) error {
if b.Header.ContextHash != ctx.Hash() {
log.Println("CONNECT", ctx.Hash(), b.Header.ContextHash, ctx.Dump())
panic("")
// return errors.WithStack(ErrInvalidContextHash)
}
if cn.store.Version(b.Header.Height) > 1 {
if b.Header.ReceiptHash != bin.MustWriterToHash(&receipts) {
log.Println("CONNECT", bin.MustWriterToHash(&receipts), b.Header.ReceiptHash, receipts)
panic("")
return errors.WithStack(ErrInvalidReceiptHash)
}
}
if ctx.StackSize() > 1 {
return errors.WithStack(types.ErrDirtyContext)
}
if err := cn.store.UpdateContext(b, ctx, receipts); err != nil {
return err
}
var ca []*common.SyncChan
cn.waitLock.Lock()
for _, c := range cn.waitChan {
ca = append(ca, c)
}
cn.waitLock.Unlock()
for _, c := range ca {
c.Send(b.Header.Height)
}
for _, s := range cn.services {
s.OnBlockConnected(b.Clone(), ctx)
}
return nil
}
func (cn *Chain) UpdateExecuteBlockOnContext(b *types.Block, ctx *types.Context, sm map[hash.Hash256]common.Address) (types.Receipts, error) {
TxSigners, TxHashes, err := cn.validateTransactionSignatures(b, sm)
if err != nil {
return nil, err
}
types.CheckABI(b, cn.NewContext())
// Execute Transctions
currentSlot := types.ToTimeSlot(b.Header.Timestamp)
receipts := types.Receipts{}
for i, tx := range b.Body.Transactions {
slot := types.ToTimeSlot(tx.Timestamp)
if slot < currentSlot-1 {
return nil, errors.WithStack(types.ErrInvalidTransactionTimeSlot)
} else if slot > currentSlot {
return nil, errors.WithStack(types.ErrInvalidTransactionTimeSlot)
}
sn := ctx.Snapshot()
if err := ctx.UseTimeSlot(slot, string(TxHashes[i][:])); err != nil {
ctx.Revert(sn)
return nil, err
}
TXID := types.TransactionID(b.Header.Height, uint16(len(b.Body.Transactions)))
if tx.VmType != types.Evm {
if tx.To == common.ZeroAddr {
if !ctx.IsAdmin(TxSigners[i]) {
ctx.Revert(sn)
return nil, errors.WithStack(ErrInvalidAdminAddress)
}
if _, err := cn.ExecuteTransaction(ctx, tx, TXID); err != nil {
ctx.Revert(sn)
return nil, err
}
} else {
if err := ExecuteContractTx(ctx, tx, TxSigners[i], TXID); err != nil {
ctx.Revert(sn)
return nil, err
}
}
receipt := new(etypes.Receipt)
receipts = append(receipts, receipt)
} else {
if _, receipt, err := cn.ApplyEvmTransaction(ctx, tx, uint16(i), TxSigners[i]); err != nil {
ctx.Revert(sn)
return nil, err
} else {
receipts = append(receipts, receipt)
}
}
ctx.Commit(sn)
}
if ctx.StackSize() > 1 {
return nil, errors.WithStack(types.ErrDirtyContext)
}
if b.Header.Height%prefix.RewardIntervalBlocks == 0 {
if _, err := ctx.ProcessReward(ctx, b); err != nil {
return nil, err
}
}
if ctx.StackSize() > 1 {
return nil, errors.WithStack(types.ErrDirtyContext)
}
return receipts, nil
}