rpd: Fix decimal places handling

Author: itwysgsl

.DS_Store

@@ -81,10 +81,10 @@ std::vector<unsigned char> ParseHexO(const UniValue& o, std::string strKey);
  * Validate and return a CAmount from a UniValue number or string.
  *
  * @param[in] value     UniValue number or string to parse.
- * @param[in] decimals  Number of significant digits (default: 8).
+ * @param[in] decimals  Number of significant digits (default: 4).
  * @returns a CAmount if the various checks pass.
  */
-CAmount AmountFromValue(const UniValue& value, int decimals = 8);
+CAmount AmountFromValue(const UniValue& value, int decimals = 4);
 
 using RPCArgList = std::vector<std::pair<std::string, UniValue>>;
 std::string HelpExampleCli(const std::string& methodname, const std::string& args);

src/rpc/util.h

@@ -216,8 +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");
         }
-        // Fee rates in sat/vB cannot represent more than 3 significant digits.
-        cc.m_feerate = CFeeRate{AmountFromValue(fee_rate, /* decimals */ 3)};
+        // Fee rates in sat/vB cannot represent more than 2 significant digits.
+        cc.m_feerate = CFeeRate{AmountFromValue(fee_rate, /* decimals */ 2)};
         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;