The sponsor's wallet used for signing the transaction.
The transaction to sign as sponsor. Can be either:
(Optional) Options for signing the transaction.
Optionalmultisign?: string | booleanSpecify true/false to use multisign or actual address (classic/x-address) to make multisign tx request. The actual address is only needed in the case of regular key usage.
An object containing:
tx: The signed transaction object with SponsorSignaturetx_blob: The serialized transaction blob (hex string) ready to submit to the ledgerhash: The transaction hash (useful for tracking the transaction)
Signs a transaction as the sponsor.
This function adds a sponsor signature to a transaction that has already been signed by the account. The sponsor uses their wallet to sign the transaction, which allows them to pay the transaction fees and/or reserves on behalf of the sponsee (the Account field).