add documentation for consensus topic create transaction

consensus_topic_create_transaction.go

@@ -11,6 +11,8 @@ type ConsensusTopicCreateTransaction struct {
 	pb *proto.ConsensusCreateTopicTransactionBody
 }
 
+// NewConsensusTopicCreateTransaction creates a ConsensusTopicCreateTransaction builder which can be
+// used to construct and execute a Consensus Create Topic Transaction.
 func NewConsensusTopicCreateTransaction() ConsensusTopicCreateTransaction {
 	pb := &proto.ConsensusCreateTopicTransactionBody{}
 
@@ -22,35 +24,44 @@ func NewConsensusTopicCreateTransaction() ConsensusTopicCreateTransaction {
 	return builder.SetAutoRenewPeriod(7890000 * time.Second)
 }
 
+// SetAdminKey sets the key required to update or delete the topic. If unspecified, anyone can increase the topic's
+// expirationTime.
 func (builder ConsensusTopicCreateTransaction) SetAdminKey(publicKey Ed25519PublicKey) ConsensusTopicCreateTransaction {
 	builder.pb.AdminKey = publicKey.toProto()
 	return builder
 }
 
+// SetSubmitKey sets the key required for submitting messages to the topic. If unspecified, all submissions are allowed.
 func (builder ConsensusTopicCreateTransaction) SetSubmitKey(publicKey Ed25519PublicKey) ConsensusTopicCreateTransaction {
 	builder.pb.SubmitKey = publicKey.toProto()
 	return builder
 }
 
+// SetTopicMemo sets a short publicly visible memo about the topic. No guarantee of uniqueness.
 func (builder ConsensusTopicCreateTransaction) SetTopicMemo(memo string) ConsensusTopicCreateTransaction {
 	builder.pb.Memo = memo
 	return builder
 }
 
+// SetAutoRenewPeriod sets the initial lifetime of the topic and the amount of time to extend the topic's lifetime
+// automatically at expirationTime if the autoRenewAccount is configured and has sufficient funds.
+//
+// Required. Limited to a maximum of 90 days (server-side configuration which may change).
 func (builder ConsensusTopicCreateTransaction) SetAutoRenewPeriod(period time.Duration) ConsensusTopicCreateTransaction {
 	builder.pb.AutoRenewPeriod = durationToProto(period)
 	return builder
 }
 
+// SetAutoRenewAccountID sets an 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, there must be an adminKey and the autoRenewAccount must sign this transaction.
 func (builder ConsensusTopicCreateTransaction) SetAutoRenewAccountID(id AccountID) ConsensusTopicCreateTransaction {
 	builder.pb.AutoRenewAccount = id.toProto()
 	return builder
 }
 
-func (builder ConsensusTopicCreateTransaction) Build(client *Client) (Transaction, error) {
-	return builder.TransactionBuilder.Build(client)
-}
-
 //
 // The following _5_ must be copy-pasted at the bottom of **every** _transaction.go file
 // We override the embedded fluent setter methods to return the outer type