since p2pools payout the same as solo-mined blocks ( generated )
they do not show up in wallet balance right away until they "mature"
Many p2pool miners sometimes think p2pools arent paying out because they
do not understand payouts are like solo-mined blocks.
( sign-up pools hold coins & pay out from their pool's wallet )
although you can use the listtransactions "" command to see CATEGORY: IMMATURE ( p2pool & solo-mined payouts )
a monitoring script that auto-updates & shows the IMMATURE(s) IMMEDIATELY upon p2pool finding a block
makes it much easier to see that you are getting payouts, and how much the payouts are!
please see this post for more info
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https://bitcointalk.org/index.php?topic=488907
