Merge d6f304a into merged_master (Elements PR #684)

This PR reduced the minrelayfee for Elements, but also brought in some
changes from upstream which I mostly just didn't take (since we've
already brought them in, in earlier parts of this rebase).

Author: apoelstra

src/policy/policy.h

@@ -22,7 +22,7 @@ extern CAsset policyAsset;
 /** Default for -blockmaxweight, which controls the range of block weights the mining code will create **/
 static const unsigned int DEFAULT_BLOCK_MAX_WEIGHT = MAX_BLOCK_WEIGHT - 4000;
 /** Default for -blockmintxfee, which sets the minimum feerate for a transaction in blocks created by mining code **/
-static const unsigned int DEFAULT_BLOCK_MIN_TX_FEE = 1000;
+static const unsigned int DEFAULT_BLOCK_MIN_TX_FEE = 100;
 /** The maximum weight for transactions we're willing to relay/mine */
 static const unsigned int MAX_STANDARD_TX_WEIGHT = 400000;
 /** The minimum non-witness size for transactions we're willing to relay/mine (1 segwit input + 1 P2WPKH output = 82 bytes) */
@@ -34,7 +34,7 @@ static const unsigned int MAX_STANDARD_TX_SIGOPS_COST = MAX_BLOCK_SIGOPS_COST/5;
 /** Default for -maxmempool, maximum megabytes of mempool memory usage */
 static const unsigned int DEFAULT_MAX_MEMPOOL_SIZE = 300;
 /** Default for -incrementalrelayfee, which sets the minimum feerate increase for mempool limiting or BIP 125 replacement **/
-static const unsigned int DEFAULT_INCREMENTAL_RELAY_FEE = 1000;
+static const unsigned int DEFAULT_INCREMENTAL_RELAY_FEE = 100;
 /** Default for -bytespersigop */
 static const unsigned int DEFAULT_BYTES_PER_SIGOP = 20;
 /** Default for -permitbaremultisig */

src/test/setup_common.cpp

@@ -17,6 +17,7 @@
 #include <noui.h>
 #include <pow.h>
 #include <policy/policy.h>
+#include <policy/settings.h>
 #include <streams.h>
 #include <rpc/server.h>
 #include <rpc/register.h>
@@ -73,11 +74,16 @@ BasicTestingSetup::BasicTestingSetup(const std::string& chainName, const std::st
     // Set policy asset for correct fee output generation
     policyAsset = CAsset();
 
+    // For unit tests, increase minrelay to "normal" 1000 sat/vkB
+    ::incrementalRelayFee = CFeeRate(1000);
+
     static bool noui_connected = false;
     if (!noui_connected) {
         noui_connect();
         noui_connected = true;
     }
+
+    noui_connect();
 }
 
 BasicTestingSetup::~BasicTestingSetup()

src/validation.h

@@ -56,7 +56,7 @@ struct PrecomputedTransactionData;
 struct LockPoints;
 
 /** Default for -minrelaytxfee, minimum relay fee for transactions */
-static const unsigned int DEFAULT_MIN_RELAY_TX_FEE = 1000;
+static const unsigned int DEFAULT_MIN_RELAY_TX_FEE = 100;
 /** Default for -limitancestorcount, max number of in-mempool ancestors */
 static const unsigned int DEFAULT_ANCESTOR_LIMIT = 25;
 /** Default for -limitancestorsize, maximum kilobytes of tx + all in-mempool ancestors */

test/bitcoin_functional/functional/test_framework/util.py

@@ -323,6 +323,7 @@ def initialize_datadir(dirname, n):
         f.write("scriptprefix=196\n")
         f.write("bech32_hrp=bcrt\n")
         f.write("con_dyna_deploy_start="+str(2**31)+"\n") # Never starts
+        f.write("minrelaytxfee=0.00001\n")
         os.makedirs(os.path.join(datadir, 'stderr'), exist_ok=True)
         os.makedirs(os.path.join(datadir, 'stdout'), exist_ok=True)
     return datadir

test/functional/test_framework/util.py

@@ -336,6 +336,7 @@ def initialize_datadir(dirname, n, chain):
         f.write("con_bip66height=1251\n")
         f.write("blindedaddresses=0\n") # Set to minimize broken tests in favor of custom
         f.write("con_dyna_deploy_start="+str(2**31)+"\n") # Never starts unless overridden
+        f.write("minrelaytxfee=0.00001\n")
         #f.write("pubkeyprefix=111\n")
         #f.write("scriptprefix=196\n")
         #f.write("bech32_hrp=bcrt\n")