fix(LIVE-10131): swap tron swapping issue with other pairs than eth a…

…nd edge cases to investigate part 2 (#6824)

* fix(LIVE-10131): take 1 TRX off the balance to prevent insufficient balance

* feat(LIVE-10131): changeset

* feat(LIVE-10131): pr review

* feat(LIVE-10131): switch case statement

* Revert "feat(LIVE-10131): switch case statement"

This reverts commit dab329d.

.changeset/plenty-islands-tell.md

@@ -0,0 +1,5 @@
+---
+"@ledgerhq/live-common": patch
+---
+
+fix(LIVE-10131): take 1 TRX off the swappable amount to prevent insufficient balance when max toggle is on

libs/ledger-live-common/src/exchange/swap/hooks/useUpdateMaxAmount.ts

@@ -43,6 +43,10 @@ export const useUpdateMaxAmount = ({
           let additionalFees;
           if (tx.family === "evm" && next) {
             additionalFees = new BigNumber(5000000000000000); // 0,005 ETH/BNB/MATIC
+          } else if (tx.family === "tron" && next) {
+            // https://github.com/tronprotocol/documentation/blob/master/TRX/Tron-overview.md
+            // 1 TRX=1,000,000 sun.
+            additionalFees = new BigNumber(1).multipliedBy(1_000_000); // 1 TRX
           }
           return {
             ...tx,