What's the best way to condense your existing coin balance down to one input?
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use coincontrol select all inputs and send them to an address you control (even the adress their in is fine) if you want to join your inputs into 1.
personally I wouldnt bother if you hit a block the wallet should rejoin your inputs, max stake age is 14 days if memory serves so tbh the chances of getting a reward with 2k are slim regardless of how you've got them split on average my 185k coins only stake once per day so I'd say you need more coins rather than one input
Hmm, this made absolutely no sense when I first read it, but fortunately I am very curious and prone to getting into trouble because of it so I went poking around the wallet and found an option called "enable coin control beta." After enabling it I then pressed the "coin control" button and selected both addresses that received payments from mining as inputs (tree mode) then went back to the send screen and sent the entire balance, minus a 0.26 TZC Tx fee, to the first mining address. The wallet asked me to confirm paying the "higher than normal" fee and the only indications something happened were that the fee showed up in recent payments, my balance was marked as unconfirmed and my wallet stopped staking.
After the balance was confirmed I re-enabled staking then checked the Penrose triangle and it still says I have 151 inputs weighing 29832 coin days?! So it looks like nothing happened, except when I go back to coin control it now says all of my coins are in one address, not two, and that there is only one input. So something happened - besides paying a 0.26 TZC fee - but I'm not sure whether there was any point to it or not?
Oh, and I know that my 2k coins won't receive a stake very often, but based on comments in this thread I've inferred it should happen every 90 days or so; I'm cool with that.