Added topic_update_transaction

topic_update_transaction.go

@@ -0,0 +1,130 @@
+package hedera
+
+import (
+	"time"
+
+	"github.com/hashgraph/hedera-sdk-go/proto"
+)
+
+// *TopicUpdateTransaction updates all fields on a Topic that are set in the transaction.
+type TopicUpdateTransaction struct {
+	Transaction
+	pb *proto.ConsensusUpdateTopicTransactionBody
+}
+
+// NewTopicUpdateTransaction creates a *TopicUpdateTransaction transaction which can be
+// used to construct and execute a  Update Topic Transaction.
+func NewTopicUpdateTransaction() *TopicUpdateTransaction {
+	pb := &proto.ConsensusUpdateTopicTransactionBody{}
+
+	transaction := TopicUpdateTransaction{
+		pb:          pb,
+		Transaction: newTransaction(),
+	}
+
+	transaction.SetAutoRenewPeriod(7890000 * time.Second)
+
+	return &transaction
+}
+
+// SetTopicID sets the topic to be updated.
+func (transaction *TopicUpdateTransaction) SetTopicID(topicId TopicID) *TopicUpdateTransaction {
+	transaction.pb.TopicID = topicId.toProto()
+	return transaction
+}
+
+func (transaction *TopicUpdateTransaction) GetTopicID() TopicID {
+	return TopicIDFromProto(transaction.pb.GetTopicID())
+}
+
+// SetAdminKey sets the key required to update/delete the topic. If unset, the key will not be changed.
+//
+// Setting the AdminKey to an empty KeyList will clear the adminKey.
+func (transaction *TopicUpdateTransaction) SetAdminKey(publicKey PublicKey) *TopicUpdateTransaction {
+	transaction.pb.AdminKey = publicKey.toProtoKey()
+	return transaction
+}
+
+func (transaction *TopicUpdateTransaction) GetAdminKey() (Key, error) {
+	return publicKeyFromProto(transaction.pb.GetAdminKey())
+}
+
+// SetSubmitKey will set the key allowed to submit messages to the topic.  If unset, the key will not be changed.
+//
+// Setting the submitKey to an empty KeyList will clear the submitKey.
+func (transaction *TopicUpdateTransaction) SetSubmitKey(publicKey PublicKey) *TopicUpdateTransaction {
+	transaction.pb.SubmitKey = publicKey.toProtoKey()
+	return transaction
+}
+
+func (transaction *TopicUpdateTransaction) GetSubmitKey() (Key, error) {
+	return publicKeyFromProto(transaction.pb.GetSubmitKey())
+}
+
+// SetTopicMemo sets a short publicly visible memo about the topic. No guarantee of uniqueness.
+func (transaction *TopicUpdateTransaction) SetTopicMemo(memo string) *TopicUpdateTransaction {
+	transaction.pb.Memo = &proto.StringValue{Value: memo}
+	return transaction
+}
+
+func (transaction *TopicUpdateTransaction) GetTopicMemo() string {
+	return transaction.pb.GetMemo().GetValue()
+}
+
+// SetExpirationTime sets the effective  timestamp at (and after) which all  transactions and queries
+// will fail. The expirationTime may be no longer than 90 days from the  timestamp of this transaction.
+func (transaction *TopicUpdateTransaction) SetExpirationTime(expiration time.Time) *TopicUpdateTransaction {
+	transaction.pb.ExpirationTime = timeToProto(expiration)
+	return transaction
+}
+
+func (transaction *TopicUpdateTransaction) GetExpirationTime() time.Time {
+	return timeFromProto(transaction.pb.GetExpirationTime())
+}
+
+// SetAutoRenewPeriod sets the amount of time to extend the topic's lifetime automatically at expirationTime if the
+// autoRenewAccount is configured and has funds. This is limited to a maximum of 90 days (server-side configuration
+// which may change).
+func (transaction *TopicUpdateTransaction) SetAutoRenewPeriod(period time.Duration) *TopicUpdateTransaction {
+	transaction.pb.AutoRenewPeriod = durationToProto(period)
+	return transaction
+}
+
+func (transaction *TopicUpdateTransaction) GetAutoRenewPeriod() time.Duration {
+	return durationFromProto(transaction.pb.GetAutoRenewPeriod())
+}
+
+// SetAutoRenewAccountID sets the optional account to be used at the topic's expirationTime to extend the life of the
+// topic. The topic lifetime will be extended up to a maximum of the autoRenewPeriod or however long the topic can be
+// extended using all funds on the account (whichever is the smaller duration/amount). If specified as the default value
+// (0.0.0), the autoRenewAccount will be removed.
+func (transaction *TopicUpdateTransaction) SetAutoRenewAccountId(accountId AccountID) *TopicUpdateTransaction {
+	transaction.pb.AutoRenewAccount = accountId.toProtobuf()
+	return transaction
+}
+
+func (transaction *TopicUpdateTransaction) GetAutoRenewAccountId() AccountID {
+	return accountIDFromProto(transaction.pb.GetAutoRenewAccount())
+}
+
+// ClearTopicMemo explicitly clears any memo on the topic by sending an empty string as the memo
+func (transaction *TopicUpdateTransaction) ClearTopicMemo() *TopicUpdateTransaction {
+	return transaction.SetTopicMemo("")
+}
+
+// ClearAdminKey explicitly clears any admin key on the topic by sending an empty key list as the key
+func (transaction *TopicUpdateTransaction) ClearAdminKey() *TopicUpdateTransaction {
+	return transaction.SetAdminKey(PublicKey{nil})
+}
+
+// ClearSubmitKey explicitly clears any submit key on the topic by sending an empty key list as the key
+func (transaction *TopicUpdateTransaction) ClearSubmitKey() *TopicUpdateTransaction {
+	return transaction.SetSubmitKey(PublicKey{nil})
+}
+
+// ClearAutoRenewAccountID explicitly clears any auto renew account ID on the topic by sending an empty accountID
+func (transaction *TopicUpdateTransaction) ClearAutoRenewAccountID() *TopicUpdateTransaction {
+	transaction.pb.AutoRenewAccount = &proto.AccountID{}
+
+	return transaction
+}