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core: make GetUnspentCoins interop return array, fix #978.

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This commit is contained in:
Evgenii Stratonikov 2020-05-22 11:49:36 +03:00
parent fb9b2ae982
commit 8ed77f0d25
1 changed files with 13 additions and 2 deletions
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15
pkg/core/interop_neo.go
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@ -7,6 +7,7 @@ import (
"math"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/core/storage"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
@ -177,10 +178,20 @@ func (ic *interopContext) txGetUnspentCoins(v *vm.VM) error {
return errors.New("value is not a transaction")
}
ucs, err := ic.dao.GetUnspentCoinState(tx.Hash())
if err != nil {
if err == storage.ErrKeyNotFound {
v.Estack().PushVal([]vm.StackItem{})
return nil
} else if err != nil {
return errors.New("no unspent coin state found")
}
v.Estack().PushVal(vm.NewInteropItem(ucs))
items := make([]vm.StackItem, 0, len(ucs.States))
for i := range items {
if ucs.States[i].State&state.CoinSpent == 0 {
items = append(items, vm.NewInteropItem(&ucs.States[i].Output))
}
}
v.Estack().PushVal(items)
return nil
}