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Merge pull request #1432 from nspcc-dev/fix/postpersist

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Initialize cache in native contracts properly
This commit is contained in:
Roman Khimov 2020-09-29 14:21:15 +03:00 committed by GitHub
commit c21f699ffc
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 33 additions and 12 deletions
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40
pkg/core/native/native_neo.go
View file

@ -173,13 +173,10 @@ func (n *NEO) Initialize(ic *interop.Context) error {
}
committee := ic.Chain.GetStandByCommittee()
n.committee.Store(committee)
script, err := smartcontract.CreateMajorityMultiSigRedeemScript(committee.Copy())
err := n.updateCache(committee, ic.Chain)
if err != nil {
return err
}
n.committeeHash.Store(hash.Hash160(script))
n.updateNextValidators(committee, ic.Chain)
err = ic.DAO.PutStorageItem(n.ContractID, prefixCommittee, &state.StorageItem{Value: committee.Bytes()})
if err != nil {
@ -207,10 +204,18 @@ func (n *NEO) Initialize(ic *interop.Context) error {
return nil
}
func (n *NEO) updateNextValidators(committee keys.PublicKeys, bc blockchainer.Blockchainer) {
func (n *NEO) updateCache(committee keys.PublicKeys, bc blockchainer.Blockchainer) error {
n.committee.Store(committee)
script, err := smartcontract.CreateMajorityMultiSigRedeemScript(committee.Copy())
if err != nil {
return err
}
n.committeeHash.Store(hash.Hash160(script))
nextVals := committee[:bc.GetConfig().ValidatorsCount].Copy()
sort.Sort(nextVals)
n.nextValidators.Store(nextVals)
return nil
}
func (n *NEO) updateCommittee(ic *interop.Context) error {
@ -226,13 +231,9 @@ func (n *NEO) updateCommittee(ic *interop.Context) error {
if err != nil {
return err
}
n.committee.Store(committee)
script, err := smartcontract.CreateMajorityMultiSigRedeemScript(committee.Copy())
if err != nil {
if err := n.updateCache(committee, ic.Chain); err != nil {
return err
}
n.committeeHash.Store(hash.Hash160(script))
n.updateNextValidators(committee, ic.Chain)
n.votesChanged.Store(false)
si := &state.StorageItem{Value: committee.Bytes()}
return ic.DAO.PutStorageItem(n.ContractID, prefixCommittee, si)
@ -246,6 +247,25 @@ func shouldUpdateCommittee(h uint32, bc blockchainer.Blockchainer) bool {
// OnPersist implements Contract interface.
func (n *NEO) OnPersist(ic *interop.Context) error {
gpb := n.gasPerBlockChanged.Load()
if gpb == nil {
committee := keys.PublicKeys{}
si := ic.DAO.GetStorageItem(n.ContractID, prefixCommittee)
if err := committee.DecodeBytes(si.Value); err != nil {
return err
}
if err := n.updateCache(committee, ic.Chain); err != nil {
return err
}
var gr state.GASRecord
si = ic.DAO.GetStorageItem(n.ContractID, []byte{prefixGASPerBlock})
if err := gr.FromBytes(si.Value); err != nil {
return err
}
n.gasPerBlock.Store(gr)
n.gasPerBlockChanged.Store(false)
}
if shouldUpdateCommittee(ic.Block.Index, ic.Chain) {
if err := n.updateCommittee(ic); err != nil {
return err

5
pkg/core/native/oracle.go
View file

@ -130,6 +130,9 @@ func newOracle() *Oracle {
md = newMethodAndPrice(getOnPersistWrapper(pp), 0, smartcontract.AllowModifyStates)
o.AddMethod(md, desc, false)
o.nodes.Store(keys.PublicKeys(nil))
o.nodesChanged.Store(false)
return o
}
@ -199,8 +202,6 @@ func (o *Oracle) Initialize(ic *interop.Context) error {
if err := ic.DAO.PutStorageItem(o.ContractID, prefixNodeList, si); err != nil {
return err
}
o.nodes.Store(keys.PublicKeys(nil))
o.nodesChanged.Store(false)
si = &state.StorageItem{Value: make([]byte, 8)} // uint64(0) LE
return ic.DAO.PutStorageItem(o.ContractID, prefixRequestID, si)
}