Software update

Create transactions to update the software on a Hedera network. Navigate to the Create pane of the application and select Network Freeze and Update from the Transaction Type drop-down menu.

Freeze Only

A transaction that freezes the network in preparation for a software update.

Transaction Field	Description	Requirement
Transaction will be submitted on	The valid start date and time of the transaction	Required
Memo	The transaction memo	Optional
Payer account	The account paying for the transaction fee	Required
Submit to node	The node ID the transaction will be submitted to	Required
Maximum transaction fee	The max transaction fee for this transaction. If the transaction fee is higher than this value it will not be processed.	Required
Freeze start time	The date and time to start the network freeze. This time has to be after the valid start time of the transaction.	Required

Prepare Upgrade

A transaction that updates the software file on the network.

Transaction Field	Description	Requirement
Transaction will be submitted on	The valid start date and time of the transaction	Required
Memo	The transaction memo	Optional
Payer account	The account paying for the transaction fee	Required
Submit to node	The node ID the transaction will be submitted to	Required
Maximum transaction fee	The max transaction fee for this transaction. If the transaction fee is higher than this value it will not be processed.	Required
File ID	The ID of the software update jar file. Example: 0.0.10	Required
File Hash	The hash of the software update jar file	Required

Freeze and Upgrade

A transaction that will freeze the network and update the software file on the network.

Transaction Field	Description	Requirement
Transaction will be submitted on	The valid start date and time of the transaction	Required
Memo	The transaction memo	Optional
Payer account	The account paying for the transaction fee	Required
Submit to node	The node ID the transaction will be submitted to	Required
Maximum transaction fee	The max transaction fee for this transaction. If the transaction fee is higher than this value it will not be processed.	Required
Freeze start time	The date and time to start the network freeze. This time has to be after the valid start time of the transaction.	Required
File ID	The ID of the software update jar file. Example: 0.0.10	Required
File Hash	The hash of the software update jar file	Required

Freeze Abort

A transaction that prevents aborts a scheduled software update.

Transaction Field	Description	Requirement
Transaction will be submitted on	The valid start date and time of the transaction	Required
Memo	The transaction memo	Optional
Payer account	The account paying for the transaction fee	Required
Submit to node	The node ID the transaction will be submitted to	Required
Maximum transaction fee	The max transaction fee for this transaction. If the transaction fee is higher than this value it will not be processed.	Required