Type Alias hedera::TopicUpdateTransaction

pub type TopicUpdateTransaction = Transaction<TopicUpdateTransactionData>;

Change properties for the given topic.

Any null field is ignored (left unchanged).

Aliased Type

struct TopicUpdateTransaction { /* private fields */ }

Implementations

impl TopicUpdateTransaction

pub fn get_topic_id(&self) -> Option<TopicId>

Returns the topic ID which is being updated.

pub fn topic_id(&mut self, id: impl Into<TopicId>) -> &mut Self

Sets the topic ID which is being updated.

pub fn get_expiration_time(&self) -> Option<OffsetDateTime>

Returns the new expiration time to extend to (ignored if equal to or before the current one).

pub fn expiration_time(&mut self, at: OffsetDateTime) -> &mut Self

Sets the new expiration time to extend to (ignored if equal to or before the current one).

pub fn get_topic_memo(&self) -> Option<&str>

Returns the new topic memo for the topic.

pub fn topic_memo(&mut self, memo: impl Into<String>) -> &mut Self

Sets the short publicly visible memo about the topic.

No guarantee of uniqueness.

pub fn get_admin_key(&self) -> Option<&Key>

Returns the access control for TopicUpdateTransaction and TopicDeleteTransaction.

pub fn admin_key(&mut self, key: impl Into<Key>) -> &mut Self

Sets the access control for TopicUpdateTransaction and TopicDeleteTransaction.

pub fn clear_admin_key(&mut self) -> &mut Self

Clears the access control for TopicUpdateTransaction and TopicDeleteTransaction.

pub fn get_submit_key(&self) -> Option<&Key>

Returns the access control for TopicMessageSubmitTransaction.

pub fn submit_key(&mut self, key: impl Into<Key>) -> &mut Self

Sets the access control for TopicMessageSubmitTransaction.

pub fn clear_submit_key(&mut self) -> &mut Self

Clears the access control for TopicUpdateTransaction and TopicDeleteTransaction.

pub fn get_auto_renew_period(&self) -> Option<Duration>

Returns the initial lifetime of the topic and the amount of time to attempt to extend the topic’s lifetime by automatically at the topic’s expiration time.

pub fn auto_renew_period(&mut self, period: Duration) -> &mut Self

Sets the initial lifetime of the topic and the amount of time to attempt to extend the topic’s lifetime by automatically at the topic’s expiration time.

pub fn get_auto_renew_account_id(&self) -> Option<AccountId>

Returns the account to be used at the topic’s expiration time to extend the life of the topic.

pub fn auto_renew_account_id(&mut self, id: AccountId) -> &mut Self

Sets the account to be used at the topic’s expiration time to extend the life of the topic.

pub fn clear_auto_renew_account_id(&mut self) -> &mut Self

Clear the auto renew account ID for this topic.