• Signs a signable transaction as a sponsor using the provided account signer.

    Returns

    a promise that resolves to the signed transaction

    Throws

    Error if the number of signatures exceeds the allowed number specified in the transaction header

    Type Parameters

    • P extends Payload = Payload

      the payload type

    Parameters

    • transaction: SignableV1<P>

      the signable transaction to sign

    • signer: AccountSigner

      the account signer to use for signing

    Returns Promise<Signable<P>>

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