package processing 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/native/gas" "github.com/nspcc-dev/neo-go/pkg/interop/native/management" "github.com/nspcc-dev/neo-go/pkg/interop/runtime" "github.com/nspcc-dev/neo-go/pkg/interop/storage" "github.com/nspcc-dev/neofs-contract/common" ) const ( version = 1 neofsContractKey = "neofsScriptHash" multiaddrMethod = "alphabetAddress" ) func OnNEP17Payment(from interop.Hash160, amount int, data interface{}) { caller := runtime.GetCallingScriptHash() if !common.BytesEqual(caller, []byte(gas.Hash)) { panic("onNEP17Payment: processing contract accepts GAS only") } } func _deploy(data interface{}, isUpdate bool) { if isUpdate { return } arr := data.([]interop.Hash160) owner := arr[0] addrNeoFS := arr[1] ctx := storage.GetContext() if !common.HasUpdateAccess(ctx) { panic("only owner can reinitialize contract") } if len(addrNeoFS) != 20 { panic("init: incorrect length of contract script hash") } storage.Put(ctx, common.OwnerKey, owner) storage.Put(ctx, neofsContractKey, addrNeoFS) runtime.Log("processing contract initialized") } func Migrate(script []byte, manifest []byte, data interface{}) bool { ctx := storage.GetReadOnlyContext() if !common.HasUpdateAccess(ctx) { runtime.Log("only owner can update contract") return false } contract.Call(interop.Hash160(management.Hash), "update", contract.All, script, manifest, data) runtime.Log("processing contract updated") return true } func Verify() bool { ctx := storage.GetContext() neofsContractAddr := storage.Get(ctx, neofsContractKey).(interop.Hash160) multiaddr := contract.Call(neofsContractAddr, multiaddrMethod, contract.ReadOnly).(interop.Hash160) return runtime.CheckWitness(multiaddr) } func Version() int { return version }