From 718f05cab5fe632c5dc4e3c689d5e4cd51331089 Mon Sep 17 00:00:00 2001
From: Gregory Sanders <gsanders87@gmail.com>
Date: Tue, 23 Jan 2018 13:57:10 -0500
Subject: move more bumpfee prechecks to feebumper::PreconditionChecks

---
 src/wallet/feebumper.cpp | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/src/wallet/feebumper.cpp b/src/wallet/feebumper.cpp
index 9bfcab54a5..e78095bf74 100644
--- a/src/wallet/feebumper.cpp
+++ b/src/wallet/feebumper.cpp
@@ -65,6 +65,25 @@ static feebumper::Result PreconditionChecks(const CWallet* wallet, const CWallet
         errors.push_back("Transaction has been mined, or is conflicted with a mined transaction");
         return feebumper::Result::WALLET_ERROR;
     }
+
+    if (!SignalsOptInRBF(*wtx.tx)) {
+        errors.push_back("Transaction is not BIP 125 replaceable");
+        return feebumper::Result::WALLET_ERROR;
+    }
+
+    if (wtx.mapValue.count("replaced_by_txid")) {
+        errors.push_back(strprintf("Cannot bump transaction %s which was already bumped by transaction %s", wtx.GetHash().ToString(), wtx.mapValue.at("replaced_by_txid")));
+        return feebumper::Result::WALLET_ERROR;
+    }
+
+    // check that original tx consists entirely of our inputs
+    // if not, we can't bump the fee, because the wallet has no way of knowing the value of the other inputs (thus the fee)
+    if (!wallet->IsAllFromMe(*wtx.tx, ISMINE_SPENDABLE)) {
+        errors.push_back("Transaction contains inputs that don't belong to this wallet");
+        return feebumper::Result::WALLET_ERROR;
+    }
+
+
     return feebumper::Result::OK;
 }
 
@@ -94,23 +113,6 @@ Result CreateTransaction(const CWallet* wallet, const uint256& txid, const CCoin
         return result;
     }
 
-    if (!SignalsOptInRBF(*wtx.tx)) {
-        errors.push_back("Transaction is not BIP 125 replaceable");
-        return Result::WALLET_ERROR;
-    }
-
-    if (wtx.mapValue.count("replaced_by_txid")) {
-        errors.push_back(strprintf("Cannot bump transaction %s which was already bumped by transaction %s", txid.ToString(), wtx.mapValue.at("replaced_by_txid")));
-        return Result::WALLET_ERROR;
-    }
-
-    // check that original tx consists entirely of our inputs
-    // if not, we can't bump the fee, because the wallet has no way of knowing the value of the other inputs (thus the fee)
-    if (!wallet->IsAllFromMe(*wtx.tx, ISMINE_SPENDABLE)) {
-        errors.push_back("Transaction contains inputs that don't belong to this wallet");
-        return Result::WALLET_ERROR;
-    }
-
     // figure out which output was change
     // if there was no change output or multiple change outputs, fail
     int nOutput = -1;
@@ -228,6 +230,7 @@ Result CreateTransaction(const CWallet* wallet, const uint256& txid, const CCoin
         }
     }
 
+
     return Result::OK;
 }
 
-- 
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