From 06a90fa0381c790f7bde2ab9bf47d2b22acef4a5 Mon Sep 17 00:00:00 2001
From: Jon Atack <jon@atack.com>
Date: Tue, 27 Apr 2021 11:04:10 +0200
Subject: rpc: for sat/vB fee rates, limit ParseFixedPoint decimals to 3

---
 src/wallet/rpcwallet.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/wallet/rpcwallet.cpp')

diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 67d9d56133..31b90374bd 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -216,7 +216,8 @@ static void SetFeeEstimateMode(const CWallet& wallet, CCoinControl& cc, const Un
         if (!estimate_mode.isNull() && estimate_mode.get_str() != "unset") {
             throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both estimate_mode and fee_rate");
         }
-        cc.m_feerate = CFeeRate(AmountFromValue(fee_rate), COIN);
+        // Fee rates in sat/vB cannot represent more than 3 significant digits.
+        cc.m_feerate = CFeeRate{AmountFromValue(fee_rate, /* decimals */ 3)};
         if (override_min_fee) cc.fOverrideFeeRate = true;
         // Default RBF to true for explicit fee_rate, if unset.
         if (!cc.m_signal_bip125_rbf) cc.m_signal_bip125_rbf = true;
-- 
cgit v1.2.3