diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index d37c13b70..21f2edb75 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -303,7 +303,7 @@ public:
         consensus.BIP34Hash = uint256();
         consensus.BIP65Height = 1351; // BIP65 activated on regtest (Used in rpc activation tests)
         consensus.BIP66Height = 1251; // BIP66 activated on regtest (Used in rpc activation tests)
-        consensus.RandomXHeight = 20; // RandomxX acticated on regtest.
+        consensus.RandomXHeight = 2000000; // RandomX acticated on regtest.
         consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
         consensus.nPowTargetTimespan = 2.0 * 60; // Two minutes
         consensus.nPowTargetSpacing = 2.0 * 60; // Two minutes
diff --git a/test/functional/feature_block.py b/test/functional/feature_block.py
index 3e4fdb7dd..baee536ee 100755
--- a/test/functional/feature_block.py
+++ b/test/functional/feature_block.py
@@ -627,6 +627,10 @@ class FullBlockTest(ComparisonTestFramework):
         b44.nBits = 0x207fffff
         b44.vtx.append(coinbase)
         b44.hashMerkleRoot = b44.calc_merkle_root()
+        b44.merkle_root = uint256_from_str(bytes.fromhex("3cf6c3b6da3f4058853ee70369ee43d473aca91ae8fc8f44a645beb21c392d80"))
+        b44.nNonce = height
+        b44.major_version = 10 # CN variant 4
+        b44.timestamp = b44.nTime
         b44.solve()
         self.tip = b44
         self.block_heights[b44.sha256] = height
@@ -642,6 +646,10 @@ class FullBlockTest(ComparisonTestFramework):
         b45.nBits = 0x207fffff
         b45.vtx.append(non_coinbase)
         b45.hashMerkleRoot = b45.calc_merkle_root()
+        b45.merkle_root = uint256_from_str(bytes.fromhex("3cf6c3b6da3f4058853ee70369ee43d473aca91ae8fc8f44a645beb21c392d80"))
+        b45.nNonce = height
+        b45.major_version = 10 # CN variant 4
+        b45.timestamp = b45.nTime
         b45.calc_sha256()
         b45.solve()
         self.block_heights[b45.sha256] = self.block_heights[self.tip.sha256]+1
@@ -658,6 +666,10 @@ class FullBlockTest(ComparisonTestFramework):
         b46.nBits = 0x207fffff
         b46.vtx = []
         b46.hashMerkleRoot = 0
+        b46.merkle_root = uint256_from_str(bytes.fromhex("3cf6c3b6da3f4058853ee70369ee43d473aca91ae8fc8f44a645beb21c392d80"))
+        b46.nNonce = height
+        b46.major_version = 10 # CN variant 4
+        b46.timestamp = b45.nTime
         b46.solve()
         self.block_heights[b46.sha256] = self.block_heights[b44.sha256]+1
         self.tip = b46
diff --git a/test/functional/test_framework/messages.py b/test/functional/test_framework/messages.py
index e484e36ab..db822a781 100644
--- a/test/functional/test_framework/messages.py
+++ b/test/functional/test_framework/messages.py
@@ -23,7 +23,7 @@ import socket
 import struct
 import time
 
-import pycryptonight
+import pycryptonight # pip3 install py-cryptonight
 from test_framework.siphash import siphash256
 from test_framework.util import hex_str_to_bytes, bytes_to_hex_str
 
diff --git a/test/functional/test_framework/test_framework.py b/test/functional/test_framework/test_framework.py
index 8d82f66d2..3eefd336a 100755
--- a/test/functional/test_framework/test_framework.py
+++ b/test/functional/test_framework/test_framework.py
@@ -330,7 +330,7 @@ class BitcoinTestFramework():
         For backwared compatibility of the python scripts with previous
         versions of the cache, this helper function sets mocktime to Jan 1,
         2014 + (201 * 10 * 60)"""
-        self.mocktime = 1388534400 + (201 * 10 * 60)
+        self.mocktime = 1582959692 + (201 * 10 * 60)
 
     def disable_mocktime(self):
         self.mocktime = 0