From bde4f4b7db7151ebb9819e057527435dc8e21bd9 Mon Sep 17 00:00:00 2001
From: furszy <matiasfurszyfer@protonmail.com>
Date: Thu, 29 Oct 2020 01:25:26 -0300
Subject: [PATCH] Adding mocktime startup arg.

---
 src/init.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/init.cpp b/src/init.cpp
index 3807c2485969d..408b120b8f278 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -505,6 +505,7 @@ std::string HelpMessage(HelpMessageMode mode)
     strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), DEFAULT_LOGTIMESTAMPS));
     strUsage += HelpMessageOpt("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS));
     if (showDebug) {
+        strUsage += HelpMessageOpt("-mocktime=<n>", "Replace actual time with <n> seconds since epoch (default: 0)");
         strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf(_("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default:%u)"), DEFAULT_LIMITFREERELAY));
         strUsage += HelpMessageOpt("-relaypriority", strprintf(_("Require high priority for relaying free or low-fee transactions (default:%u)"), DEFAULT_RELAYPRIORITY));
         strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf(_("Limit size of signature cache to <n> MiB (default: %u)"), DEFAULT_MAX_SIG_CACHE_SIZE));
@@ -1119,6 +1120,11 @@ bool AppInit2()
     fIsBareMultisigStd = gArgs.GetBoolArg("-permitbaremultisig", DEFAULT_PERMIT_BAREMULTISIG);
     nMaxDatacarrierBytes = gArgs.GetArg("-datacarriersize", nMaxDatacarrierBytes);
 
+    // Option to startup with mocktime set (used for regression testing):
+    if (Params().IsRegTestNet()) {
+        SetMockTime(gArgs.GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op
+    }
+
     ServiceFlags nLocalServices = NODE_NETWORK;
     ServiceFlags nRelevantServices = NODE_NETWORK;