Implement "feefilter" P2P message.

The "feefilter" p2p message is used to inform other nodes of your mempool min fee which is the feerate that any new transaction must meet to be accepted to your mempool.  This will allow them to filter invs to you according to this feerate.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index de89fdeb0..c72339313 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -818,11 +818,12 @@ UniValue sendrawtransaction(const UniValue& params, bool fHelp)
     const CCoins* existingCoins = view.AccessCoins(hashTx);
     bool fHaveMempool = mempool.exists(hashTx);
     bool fHaveChain = existingCoins && existingCoins->nHeight < 1000000000;
+    CFeeRate txFeeRate = CFeeRate(0);
     if (!fHaveMempool && !fHaveChain) {
         // push to local node and sync with wallets
         CValidationState state;
         bool fMissingInputs;
-        if (!AcceptToMemoryPool(mempool, state, tx, false, &fMissingInputs, false, nMaxRawTxFee)) {
+        if (!AcceptToMemoryPool(mempool, state, tx, false, &fMissingInputs, &txFeeRate, false, nMaxRawTxFee)) {
             if (state.IsInvalid()) {
                 throw JSONRPCError(RPC_TRANSACTION_REJECTED, strprintf("%i: %s", state.GetRejectCode(), state.GetRejectReason()));
             } else {
@@ -835,7 +836,7 @@ UniValue sendrawtransaction(const UniValue& params, bool fHelp)
     } else if (fHaveChain) {
         throw JSONRPCError(RPC_TRANSACTION_ALREADY_IN_CHAIN, "transaction already in block chain");
     }
-    RelayTransaction(tx);
+    RelayTransaction(tx, txFeeRate);
 
     return hashTx.GetHex();
 }