improve bond refund

prt/contracts/src/tournament/abstracts/Tournament.sol

@@ -65,7 +65,7 @@ abstract contract Tournament is ITournament {
     Time.Instant lastMatchDeleted;
 
     uint256 constant MAX_GAS_PRICE = 50 gwei;
-    uint256 constant MESSAGE_SENDER_PROFIT = 10 gwei;
+    uint256 constant PRIORITY_FEE_CAP = 10 gwei;
     bool transient locked;
 
     mapping(Tree.Node => Clock.State) clocks;
@@ -623,7 +623,7 @@ abstract contract Tournament is ITournament {
             address(this).balance,
             bondValue() * gasEstimate / _totalGasEstimate(),
             (Gas.TX + gasBefore - gasAfter)
-                * (tx.gasprice + MESSAGE_SENDER_PROFIT)
+                * tx.gasprice.min(block.basefee + PRIORITY_FEE_CAP)
         );
 
         (bool status, bytes memory ret) =

prt/contracts/src/tournament/libs/Gas.sol

@@ -4,7 +4,7 @@
 pragma solidity ^0.8.17;
 
 library Gas {
-    uint256 constant TX = 21000;
+    uint256 constant TX = 25000;
 
     uint256 constant ADVANCE_MATCH = 65175 + TX;
     uint256 constant WIN_MATCH_BY_TIMEOUT = 86203 + TX;

prt/contracts/test/Tournament.t.sol

@@ -295,6 +295,7 @@ contract TournamentTest is Util {
 
         uint256 tournamentBalanceBefore = address(topTournament).balance;
         uint256 callerBalanceBefore = address(this).balance;
+        vm.txGasPrice(2);
         topTournament.eliminateMatchByTimeout(_matchId);
         uint256 tournamentBalanceAfter = address(topTournament).balance;
         uint256 callerBalanceAfter = address(this).balance;