[RPC] createrawtransaction: add option to set the sequence number per input

1 files changed, 7 insertions, 0 deletions

diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index de8cd68f66..b475f9a223 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -334,6 +334,7 @@ UniValue createrawtransaction(const UniValue& params, bool fHelp)
             "       {\n"
             "         \"txid\":\"id\",    (string, required) The transaction id\n"
             "         \"vout\":n        (numeric, required) The output number\n"
+            "         \"sequence\":n    (numeric, optional) The sequence number\n"
             "       }\n"
             "       ,...\n"
             "     ]\n"
@@ -384,6 +385,12 @@ UniValue createrawtransaction(const UniValue& params, bool fHelp)
             throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive");
 
         uint32_t nSequence = (rawTx.nLockTime ? std::numeric_limits<uint32_t>::max() - 1 : std::numeric_limits<uint32_t>::max());
+
+        // set the sequence number if passed in the parameters object
+        const UniValue& sequenceObj = find_value(o, "sequence");
+        if (sequenceObj.isNum())
+            nSequence = sequenceObj.get_int();
+
         CTxIn in(COutPoint(txid, nOutput), CScript(), nSequence);
 
         rawTx.vin.push_back(in);