From 11e4469b0e0b2cc4961aad6f4d52060029ad84fa Mon Sep 17 00:00:00 2001
From: jmacxx <47253594+jmacxx@users.noreply.github.com>
Date: Sun, 18 Sep 2022 21:51:24 -0500
Subject: [PATCH] Set the minimum payout at mediation to be 2.5% of trade
 amount.

If 2.5% is less than 0.0005 BTC, then fall back to 0.0005 BTC.
---
 core/src/main/java/bisq/core/btc/wallet/Restrictions.java  | 7 +++++--
 .../java/bisq/core/support/dispute/DisputeManager.java     | 2 +-
 .../main/overlays/windows/DisputeSummaryWindow.java        | 6 +++---
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/core/src/main/java/bisq/core/btc/wallet/Restrictions.java b/core/src/main/java/bisq/core/btc/wallet/Restrictions.java
index e7d4f92b6bc..6483c44a2ee 100644
--- a/core/src/main/java/bisq/core/btc/wallet/Restrictions.java
+++ b/core/src/main/java/bisq/core/btc/wallet/Restrictions.java
@@ -85,10 +85,13 @@ public static Coin getMinSellerSecurityDepositAsCoin() {
     }
 
     // This value must be lower than MIN_BUYER_SECURITY_DEPOSIT and SELLER_SECURITY_DEPOSIT
-    public static Coin getMinRefundAtMediatedDispute() {
+    public static Coin getMinRefundAtMediatedDispute(Coin tradeAmount) {
         if (MIN_REFUND_AT_MEDIATED_DISPUTE == null)
             MIN_REFUND_AT_MEDIATED_DISPUTE = Coin.parseCoin("0.0005"); // 0.0005 BTC is 30 USD @ 60000 USD/BTC
-        return MIN_REFUND_AT_MEDIATED_DISPUTE;
+        Coin twoPointFivePercentOfTradeAmount = tradeAmount.div(40);
+        if (twoPointFivePercentOfTradeAmount.isLessThan(MIN_REFUND_AT_MEDIATED_DISPUTE))
+            return MIN_REFUND_AT_MEDIATED_DISPUTE;
+        return twoPointFivePercentOfTradeAmount;
     }
 
     public static int getLockTime(boolean isAsset) {
diff --git a/core/src/main/java/bisq/core/support/dispute/DisputeManager.java b/core/src/main/java/bisq/core/support/dispute/DisputeManager.java
index 88f6d3eea91..8e60a967714 100644
--- a/core/src/main/java/bisq/core/support/dispute/DisputeManager.java
+++ b/core/src/main/java/bisq/core/support/dispute/DisputeManager.java
@@ -928,7 +928,7 @@ protected void addPriceInfoMessage(Dispute dispute, int counter) {
         // The amount we would get if we do a new trade with current price
         Coin potentialAmountAtDisputeOpening = priceAtDisputeOpening.getAmountByVolume(contract.getTradeVolume());
         Coin buyerSecurityDeposit = Coin.valueOf(offerPayload.getBuyerSecurityDeposit());
-        Coin minRefundAtMediatedDispute = Restrictions.getMinRefundAtMediatedDispute();
+        Coin minRefundAtMediatedDispute = Restrictions.getMinRefundAtMediatedDispute(contract.getTradeAmount());
         // minRefundAtMediatedDispute is always larger as buyerSecurityDeposit at mediated payout, we ignore refund agent case here as there it can be 0.
         Coin maxLossSecDeposit = buyerSecurityDeposit.subtract(minRefundAtMediatedDispute);
         Coin tradeAmount = contract.getTradeAmount();
diff --git a/desktop/src/main/java/bisq/desktop/main/overlays/windows/DisputeSummaryWindow.java b/desktop/src/main/java/bisq/desktop/main/overlays/windows/DisputeSummaryWindow.java
index 1a5d258b981..79fcd6a0793 100644
--- a/desktop/src/main/java/bisq/desktop/main/overlays/windows/DisputeSummaryWindow.java
+++ b/desktop/src/main/java/bisq/desktop/main/overlays/windows/DisputeSummaryWindow.java
@@ -438,7 +438,7 @@ private void applyCustomAmounts(InputTextField inputTextField, boolean oldFocusV
         boolean isMediationDispute = getDisputeManager(dispute) instanceof MediationManager;
         // At mediation we require a min. payout to the losing party to keep incentive for the trader to accept the
         // mediated payout. For Refund agent cases we do not have that restriction.
-        Coin minRefundAtDispute = isMediationDispute ? Restrictions.getMinRefundAtMediatedDispute() : Coin.ZERO;
+        Coin minRefundAtDispute = isMediationDispute ? Restrictions.getMinRefundAtMediatedDispute(contract.getTradeAmount()) : Coin.ZERO;
 
         Offer offer = new Offer(contract.getOfferPayload());
         Coin totalAvailable = contract.getTradeAmount()
@@ -973,7 +973,7 @@ private void applyUiControlsToDisputeResult(Toggle selectedTradeAmountToggle) {
         Coin totalPot = tradeAmount.add(buyerSecurityDeposit).add(sellerSecurityDeposit);
         // At mediation we require a min. payout to the losing party to keep incentive for the trader to accept the
         // mediated payout. For Refund agent cases we do not have that restriction.
-        Coin minRefundAtDispute = isMediationDispute() ? Restrictions.getMinRefundAtMediatedDispute() : Coin.ZERO;
+        Coin minRefundAtDispute = isMediationDispute() ? Restrictions.getMinRefundAtMediatedDispute(tradeAmount) : Coin.ZERO;
 
         Coin penalizedPortionOfTradeAmount = Coin.ZERO;
         try {
@@ -1062,7 +1062,7 @@ private void applyDisputeResultToUiControls() {
             Coin sellerSecurityDeposit = offer.getSellerSecurityDeposit();
             Coin tradeAmount = contract.getTradeAmount();
             Coin totalPot = tradeAmount.add(buyerSecurityDeposit).add(sellerSecurityDeposit);
-            Coin minRefundAtDispute = isMediationDispute() ? Restrictions.getMinRefundAtMediatedDispute() : Coin.ZERO;
+            Coin minRefundAtDispute = isMediationDispute() ? Restrictions.getMinRefundAtMediatedDispute(tradeAmount) : Coin.ZERO;
             Coin maxPayoutAmount = totalPot.subtract(minRefundAtDispute);
             if (disputeResult.getBuyerPayoutAmount().equals(tradeAmount.add(buyerSecurityDeposit)) &&
                     disputeResult.getSellerPayoutAmount().equals(sellerSecurityDeposit)) {