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core: update native contract data serialisation format

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closes #908
This commit is contained in:
Anna Shaleva 2020-06-05 19:12:10 +03:00
parent d0ccf456c4
commit 4bf103ca12
2 changed files with 50 additions and 11 deletions
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9
pkg/core/native/validators_count.go
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@ -1,6 +1,7 @@
package native
import (
"errors"
"math/big"
"github.com/nspcc-dev/neo-go/pkg/encoding/bigint"
@ -41,6 +42,7 @@ func (vc *ValidatorsCount) Bytes() []byte {
// EncodeBinary implements io.Serializable interface.
func (vc *ValidatorsCount) EncodeBinary(w *io.BinWriter) {
w.WriteVarUint(uint64(MaxValidatorsVoted))
for i := range vc {
w.WriteVarBytes(bigint.ToBytes(&vc[i]))
}
@ -48,7 +50,12 @@ func (vc *ValidatorsCount) EncodeBinary(w *io.BinWriter) {
// DecodeBinary implements io.Serializable interface.
func (vc *ValidatorsCount) DecodeBinary(r *io.BinReader) {
for i := range vc {
count := r.ReadVarUint()
if count < 0 || count > MaxValidatorsVoted {
r.Err = errors.New("invalid validators count")
return
}
for i := 0; i < int(count); i++ {
buf := r.ReadVarBytes()
if r.Err != nil {
return