• Bond extra more funds from origin into the pool to which they already belong.

    Additional funds can come from either the free balance of the account, or from the accumulated rewards, see [BondExtra].

    Bonding extra funds implies an automatic payout of all pending rewards as well. See bond_extra_other to bond pending rewards of other members.

    NOTE: this transaction is implemented with the sole purpose of readability and correctness, not optimization. We read/write several storage items multiple times instead of just once, in the spirit of reusing code.

    Parameters

    Returns UnsignedTransaction