From 2233a93a109b10b6fe0f5f26c2bb529c8de3dde7 Mon Sep 17 00:00:00 2001 From: codeShark149 Date: Sun, 24 May 2020 18:28:56 +0530 Subject: [rpc] Return fee and vsize from testmempoolaccept Return fee and vsize if tx would pass ATMP. --- src/rpc/rawtransaction.cpp | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) (limited to 'src/rpc') diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp index 93e8357e86..1a43ffcc53 100644 --- a/src/rpc/rawtransaction.cpp +++ b/src/rpc/rawtransaction.cpp @@ -878,6 +878,11 @@ static UniValue testmempoolaccept(const JSONRPCRequest& request) { {RPCResult::Type::STR_HEX, "txid", "The transaction hash in hex"}, {RPCResult::Type::BOOL, "allowed", "If the mempool allows this tx to be inserted"}, + {RPCResult::Type::NUM, "vsize", "Virtual transaction size as defined in BIP 141. This is different from actual serialized size for witness transactions as witness data is discounted (only present when 'allowed' is true)"}, + {RPCResult::Type::OBJ, "fees", "Transaction fees (only present if 'allowed' is true)", + { + {RPCResult::Type::STR_AMOUNT, "base", "transaction fee in " + CURRENCY_UNIT}, + }}, {RPCResult::Type::STR, "reject-reason", "Rejection string (only present when 'allowed' is false)"}, }}, } @@ -924,13 +929,22 @@ static UniValue testmempoolaccept(const JSONRPCRequest& request) TxValidationState state; bool test_accept_res; + CAmount fee; { LOCK(cs_main); test_accept_res = AcceptToMemoryPool(mempool, state, std::move(tx), - nullptr /* plTxnReplaced */, false /* bypass_limits */, max_raw_tx_fee, /* test_accept */ true); + nullptr /* plTxnReplaced */, false /* bypass_limits */, max_raw_tx_fee, /* test_accept */ true, &fee); } result_0.pushKV("allowed", test_accept_res); - if (!test_accept_res) { + + // Only return the fee and vsize if the transaction would pass ATMP. + // These can be used to calculate the feerate. + if (test_accept_res) { + result_0.pushKV("vsize", virtual_size); + UniValue fees(UniValue::VOBJ); + fees.pushKV("base", ValueFromAmount(fee)); + result_0.pushKV("fees", fees); + } else { if (state.IsInvalid()) { if (state.GetResult() == TxValidationResult::TX_MISSING_INPUTS) { result_0.pushKV("reject-reason", "missing-inputs"); -- cgit v1.2.3