neo-go/examples/iterator/iterator.go
Anna Shaleva 6b21ad9922 *: replace interface{} with any keyword
Everywhere including examples, external interop APIs, bindings generators
code and in other valuable places. A couple of `interface{}` usages are
intentionally left in the CHANGELOG.md, documentation and tests.
2023-04-04 13:22:42 +03:00

33 lines
992 B
Go

package iteratorcontract
import (
"github.com/nspcc-dev/neo-go/pkg/interop/iterator"
"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
)
// _deploy primes contract's storage with some data to be used later.
func _deploy(_ any, _ bool) {
ctx := storage.GetContext() // RW context.
storage.Put(ctx, "foo1", "1")
storage.Put(ctx, "foo2", "2")
storage.Put(ctx, "foo3", "3")
}
// NotifyKeysAndValues sends notification with `foo` storage keys and values.
func NotifyKeysAndValues() bool {
iter := storage.Find(storage.GetReadOnlyContext(), []byte("foo"), storage.None)
for iterator.Next(iter) {
runtime.Notify("Key-Value", iterator.Value(iter))
}
return true
}
// NotifyValues sends notification with `foo` storage values.
func NotifyValues() bool {
iter := storage.Find(storage.GetReadOnlyContext(), []byte("foo"), storage.ValuesOnly)
for iterator.Next(iter) {
runtime.Notify("Value", iterator.Value(iter))
}
return true
}