Change count type used by `gettxoutsetinfo` (#1415)

changing CAmount (is a int64_t) to arith_uint256 for nTotalAmount in CCoinsStats to prevent overflow

1 files changed, 10 insertions, 0 deletions

diff --git a/src/rpc/server.cpp b/src/rpc/server.cpp
index 67fc82580..26e7297f3 100644
--- a/src/rpc/server.cpp
+++ b/src/rpc/server.cpp
@@ -143,6 +143,16 @@ UniValue ValueFromAmount(const CAmount& amount)
             strprintf("%s%d.%08d", sign ? "-" : "", quotient, remainder));
 }
 
+UniValue ValueFromAmount(const arith_uint256& amount)
+{
+    bool sign = amount < 0;
+    arith_uint256 n_abs = (sign ? -amount : amount);
+    arith_uint256 quotient = n_abs / COIN;
+    arith_uint256 remainder = n_abs - (quotient * COIN);
+    return UniValue(UniValue::VNUM,
+            strprintf("%s%d.%08d", sign ? "-" : "", (int64_t)quotient.getdouble(), (int64_t)remainder.getdouble()));
+}
+
 uint256 ParseHashV(const UniValue& v, string strName)
 {
     string strHex;