frostfs-contract/common/ir.go
Pavel Karpy 508369be75 [#25] Use go aliases
Change []byte type to interop.*aliasName*
types in contracts where it is suitable to
improve the readability of the contracts.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
2021-03-05 17:13:49 +03:00

58 lines
1.7 KiB
Go

package common
import (
"github.com/nspcc-dev/neo-go/pkg/interop"
"github.com/nspcc-dev/neo-go/pkg/interop/contract"
"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
)
const (
irListMethod = "innerRingList"
multiaddrMethod = "multiaddress"
)
type IRNode struct {
PublicKey interop.PublicKey
}
// InnerRingInvoker returns public key of inner ring node that invoked contract.
func InnerRingInvoker(ir []IRNode) interop.PublicKey {
for i := 0; i < len(ir); i++ {
node := ir[i]
if runtime.CheckWitness(node.PublicKey) {
return node.PublicKey
}
}
return nil
}
// InnerRingList returns list of inner ring nodes through calling
// "innerRingList" method of smart contract.
//
// Address of smart contract is received from storage by key.
func InnerRingListViaStorage(ctx storage.Context, key interface{}) []IRNode {
sc := storage.Get(ctx, key).(interop.Hash160)
return InnerRingList(sc)
}
// InnerRingList gets list of inner ring through
// calling "innerRingList" method of smart contract.
func InnerRingList(sc interop.Hash160) []IRNode {
return contract.Call(sc, irListMethod, contract.ReadOnly).([]IRNode)
}
// InnerRingMultiAddressViaStorage returns multiaddress of inner ring public
// keys by invoking netmap contract, which scripthash stored in the contract
// storage by the key `key`.
func InnerRingMultiAddressViaStorage(ctx storage.Context, key interface{}) []byte {
sc := storage.Get(ctx, key).(interop.Hash160)
return InnerRingMultiAddress(sc)
}
// InnerRingMultiAddress returns multiaddress of inner ring public keys by
// invoking netmap contract.
func InnerRingMultiAddress(sc interop.Hash160) []byte {
return contract.Call(sc, multiaddrMethod, contract.ReadOnly).([]byte)
}