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native: simplify votes saving in NEO contract

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Follow C# behavior and fix state mismatch at block 11561 of preview2 testnet.
This commit is contained in:
Roman Khimov 2020-06-23 18:30:42 +03:00
parent e5f05790d5
commit d0331bf21b
1 changed files with 8 additions and 15 deletions
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23
pkg/core/native/native_neo.go
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@ -11,6 +11,7 @@ import (
"github.com/nspcc-dev/neo-go/pkg/core/interop/runtime"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/encoding/bigint"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
"github.com/nspcc-dev/neo-go/pkg/util"
@ -218,10 +219,8 @@ func (n *NEO) registerValidatorInternal(ic *interop.Context, pub *keys.PublicKey
return errors.New("already registered")
}
si = new(state.StorageItem)
// It's the same simple counter, calling it `Votes` instead of `Balance`
// doesn't help a lot.
votes := state.NEP5BalanceState{}
si.Value = votes.Bytes()
// Zero value.
si.Value = []byte{}
return ic.DAO.PutStorageItem(n.ContractID, key, si)
}
@ -319,12 +318,9 @@ func (n *NEO) ModifyAccountVotes(acc *state.NEOBalanceState, d dao.DAO, value *b
if si == nil {
return errors.New("invalid validator")
}
votes, err := state.NEP5BalanceStateFromBytes(si.Value)
if err != nil {
return err
}
votes.Balance.Add(&votes.Balance, value)
si.Value = votes.Bytes()
votes := bigint.FromBytes(si.Value)
votes.Add(votes, value)
si.Value = bigint.ToPreallocatedBytes(votes, si.Value[:0])
if err := d.PutStorageItem(n.ContractID, key, si); err != nil {
return err
}
@ -339,11 +335,8 @@ func (n *NEO) getRegisteredValidators(d dao.DAO) ([]keyWithVotes, error) {
}
arr := make([]keyWithVotes, 0, len(siMap))
for key, si := range siMap {
votes, err := state.NEP5BalanceStateFromBytes(si.Value)
if err != nil {
return nil, err
}
arr = append(arr, keyWithVotes{key, &votes.Balance})
votes := bigint.FromBytes(si.Value)
arr = append(arr, keyWithVotes{key, votes})
}
sort.Slice(arr, func(i, j int) bool { return strings.Compare(arr[i].Key, arr[j].Key) == -1 })
return arr, nil