wallet, mempool: propagete `checkChainLimits` error message to wallet

Update CheckPackageLimits to use util::Result to pass the error message
instead of out parameter.

Also update test to reflect the error message from `CTxMempool`
`CheckPackageLimits` output.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/wallet/spend.cpp b/src/wallet/spend.cpp
index e97e658f38..b51cd6332f 100644
--- a/src/wallet/spend.cpp
+++ b/src/wallet/spend.cpp
@@ -1296,8 +1296,9 @@ static util::Result<CreatedTransactionResult> CreateTransactionInternal(
 
     if (gArgs.GetBoolArg("-walletrejectlongchains", DEFAULT_WALLET_REJECT_LONG_CHAINS)) {
         // Lastly, ensure this tx will pass the mempool's chain limits
-        if (!wallet.chain().checkChainLimits(tx)) {
-            return util::Error{_("Transaction has too long of a mempool chain")};
+        auto result = wallet.chain().checkChainLimits(tx);
+        if (!result) {
+            return util::Error{util::ErrorString(result)};
         }
     }