update faq

update

pchaindoc/source/FAQ/cancelation.rst

@@ -28,7 +28,14 @@ Before the epoch reaches 75% height, you can cancel delegation. Guidance: :ref:`
 Error: cancel amount greater than your Proxied Balance
 -------------------------------------------------------------
 
-This error occured because the PI amount you are cancelling is greater than you delegated. Please copy your candidate's address and go to `PIScan <https://piscan.pchain.org/fullBalance.html>`_ to check your candidate's fullbalance. Find your address in your candidate's Proxied detail, there are 3 value which we supposed is 
+1. Mostly you have canceled this delegation before, so you will get this error when repeatly cancel it. Please make a copy of the candidate address and check its fullbalance at `PIScan <https://piscan.pchain.org/fullBalance.html>`_ . Find if your account value  show in the PendingRefundBalance in the candidate's Proxied detail. If so, the cancellation succeed, the delegated PI will unlock to your balance when the current epoch ends. 
+For example, the user A (0xa2535da0764e8a7c6e167fcfc22b9ec5b10661d1 ) delegated PI to the candidate B (0xf6a94ecd6347a051709f7f96061c6a0265b59181). Once canceled, user A can find the info like below.
+
+.. image:: ../_static/wallet/repeat1.png
+
+.. image:: ../_static/wallet/repeat2.png
+
+2.This error occured because the PI amount you are cancelling is greater than you delegated. Please copy your candidate's address and go to `PIScan <https://piscan.pchain.org/fullBalance.html>`_ to check your candidate's fullbalance. Find your address in your candidate's Proxied detail, there are 3 value which we supposed is 
 ::
 	ProxiedBalance 	A PI
 	DepositProxiedBalance 	B PI

pchaindoc/source/FAQ/piscan.rst

@@ -8,3 +8,9 @@ PIScan
 That’s block explorer which allows you to search, view and analyze PCHAIN data like blocks, transactions, validators, etc.
 
 | PIscan：https://piscan.pchain.org
+
+-------------------------------------------------------------
+2. How to ensure if the transaction succeed or not?
+-------------------------------------------------------------
+Option1: Go to https://piscan.pchain.org “explorer” page, search with the transaction hash. If it returns transaction details, it succeed. Sometimes it may delay due to the mainnet speed. Then please retry later.
+Option2: Go to console, enter pi.getTransactionReceipt(“hash”) , if status=”0x1”, it means success. 

pchaindoc/source/FAQ/piwallet.rst

@@ -0,0 +1,13 @@
+==================
+PIwallet
+==================
+
+-------------------------------------------------------------
+1. How can I get listed in PIwallet Candidate list?
+-------------------------------------------------------------
+Please submit application at https://pchain.org/joinCandidate. You will get listed in 2 business days when we validated your submission.
+
+-----------------------------------------------------------------------------------------------------------------
+2. What can I do when I find PIscan/ monitor stop updating any data or get error “Internet error, please refresh the page”/ “response rpc json” on PIwallet? 
+-----------------------------------------------------------------------------------------------------------------
+All these situations may happen because the wallet node down. Please contact PCHAIN team (op@pchain.org) or admin, we will fix with it as soon as possible.