Replace consensus values with Dogecoin equivalents

* Replace chain parameters with Dogecoin values
* Update maximum coins to match Dogecoin
* Disable version 2 block requirement
* Update coinbase maturity to match Dogecoin

1 files changed, 93 insertions, 90 deletions

diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 93bb3e764..67c6ac5b2 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -40,7 +40,7 @@ static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesi
  * transaction cannot be spent since it did not originally exist in the
  * database.
  *
- * CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
+ * CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1386325540, nBits=1e0ffff0, nNonce=99943, vtx=1)
  *   CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
  *     CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
  *     CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
@@ -48,8 +48,8 @@ static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesi
  */
 static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
 {
-    const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
-    const CScript genesisOutputScript = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
+    const char* pszTimestamp = "Nintondo";
+    const CScript genesisOutputScript = CScript() << ParseHex("040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9") << OP_CHECKSIG;
     return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
 }
 
@@ -74,15 +74,16 @@ class CMainParams : public CChainParams {
 public:
     CMainParams() {
         strNetworkID = "main";
-        consensus.nSubsidyHalvingInterval = 210000;
-        consensus.BIP16Exception = uint256S("0x00000000000002dc756eebf4f49723ed8d30cc28a5f108eb94b1ba88ac4f9c22");
-        consensus.BIP34Height = 227931;
-        consensus.BIP34Hash = uint256S("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8");
-        consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
-        consensus.BIP66Height = 363725; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
-        consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
-        consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
-        consensus.nPowTargetSpacing = 10 * 60;
+        consensus.nSubsidyHalvingInterval = 100000;
+        consensus.BIP16Exception = uint256();
+        // BIP34 is never enforced in Dogecoin v2 blocks, so we enforce from v3
+        consensus.BIP34Height = 1034383;
+        consensus.BIP34Hash = uint256S("0x80d1364201e5df97e696c03bdd24dc885e8617b9de51e453c10a4f629b1e797a");
+        consensus.BIP65Height = 5000000; // Dogecoin: Use a stupidly high value as a placeholder until 1.14 locks this in
+        consensus.BIP66Height = 1034383; // 80d1364201e5df97e696c03bdd24dc885e8617b9de51e453c10a4f629b1e797a - this is the last block that could be v2, 1900
+        consensus.powLimit = uint256S("0x00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // ~uint256(0) >> 20;
+        consensus.nPowTargetTimespan = 4 * 60 * 60; // pre-digishield: 4 hours
+        consensus.nPowTargetSpacing = 60; // 1 minute
         consensus.fPowAllowMinDifficultyBlocks = false;
         consensus.fPowNoRetargeting = false;
         consensus.nRuleChangeActivationThreshold = 1916; // 95% of 2016
@@ -92,6 +93,7 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008
 
         // Deployment of BIP68, BIP112, and BIP113.
+        // XXX: BIP heights and hashes all need to be updated to Dogecoin values
         consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
         consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 1462060800; // May 1st, 2016
         consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1493596800; // May 1st, 2017
@@ -99,10 +101,10 @@ public:
         // Deployment of SegWit (BIP141, BIP143, and BIP147)
         consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
         consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1479168000; // November 15th, 2016.
-        consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1510704000; // November 15th, 2017.
+        consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 0; // Disabled
 
         // The best chain should have at least this much work.
-        consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000028822fef1c230963535a90d");
+        consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000001d35274e9465dd925d");
 
         // By default assume that the signatures in ancestors of this block are valid.
         consensus.defaultAssumeValid = uint256S("0x0000000000000000002e63058c023a9a1de233554f28c7b21380b6c9003f36a8"); //534292
@@ -112,40 +114,37 @@ public:
          * The characters are rarely used upper ASCII, not valid as UTF-8, and produce
          * a large 32-bit integer with any alignment.
          */
-        pchMessageStart[0] = 0xf9;
-        pchMessageStart[1] = 0xbe;
-        pchMessageStart[2] = 0xb4;
-        pchMessageStart[3] = 0xd9;
-        nDefaultPort = 8333;
+        pchMessageStart[0] = 0xc0;
+        pchMessageStart[1] = 0xc0;
+        pchMessageStart[2] = 0xc0;
+        pchMessageStart[3] = 0xc0;
+        nDefaultPort = 22556;
         nPruneAfterHeight = 100000;
 
-        genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN);
+        genesis = CreateGenesisBlock(1386325540, 99943, 0x1e0ffff0, 1, 88 * COIN);
         consensus.hashGenesisBlock = genesis.GetHash();
-        assert(consensus.hashGenesisBlock == uint256S("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"));
-        assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
+        assert(consensus.hashGenesisBlock == uint256S("0x1a91e3dace36e2be3bf030a65679fe821aa1d6ef92e7c9902eb318182c355691"));
+        assert(genesis.hashMerkleRoot == uint256S("0x5b2a3f53f605d62c53e62932dac6925e3d74afa5a4b459745c36d42d0ed26a69"));
 
         // Note that of those which support the service bits prefix, most only support a subset of
         // possible options.
         // This is fine at runtime as we'll fall back to using them as a oneshot if they don't support the
         // service bits we want, but we should get them updated to support all service bits wanted by any
         // release ASAP to avoid it where possible.
-        vSeeds.emplace_back("seed.bitcoin.sipa.be"); // Pieter Wuille, only supports x1, x5, x9, and xd
-        vSeeds.emplace_back("dnsseed.bluematt.me"); // Matt Corallo, only supports x9
-        vSeeds.emplace_back("dnsseed.bitcoin.dashjr.org"); // Luke Dashjr
-        vSeeds.emplace_back("seed.bitcoinstats.com"); // Christian Decker, supports x1 - xf
-        vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch"); // Jonas Schnelli, only supports x1, x5, x9, and xd
-        vSeeds.emplace_back("seed.btc.petertodd.org"); // Peter Todd, only supports x1, x5, x9, and xd
-        vSeeds.emplace_back("seed.bitcoin.sprovoost.nl"); // Sjors Provoost
-
-        base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
-        base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
-        base58Prefixes[SECRET_KEY] =     std::vector<unsigned char>(1,128);
-        base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
-        base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
+        vSeeds.emplace_back("seed.multidoge.org");
+        vSeeds.emplace_back("seed2.multidoge.org");
+
+        base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,30);
+        base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,22);
+        base58Prefixes[SECRET_KEY] =     std::vector<unsigned char>(1,158);
+        base58Prefixes[EXT_PUBLIC_KEY] = {0x02, 0xFA, 0xCA, 0xFD};
+        base58Prefixes[EXT_SECRET_KEY] = {0x02, 0xFA, 0xC3, 0x98};
 
         bech32_hrp = "bc";
 
-        vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));
+        //TODO: fix this for dogecoin -- plddr
+        //vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));
+        vFixedSeeds.clear();
 
         fDefaultConsistencyChecks = false;
         fRequireStandard = true;
@@ -153,27 +152,27 @@ public:
 
         checkpointData = {
             {
-                { 11111, uint256S("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d")},
-                { 33333, uint256S("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6")},
-                { 74000, uint256S("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20")},
-                {105000, uint256S("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97")},
-                {134444, uint256S("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe")},
-                {168000, uint256S("0x000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763")},
-                {193000, uint256S("0x000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317")},
-                {210000, uint256S("0x000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e")},
-                {216116, uint256S("0x00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e")},
-                {225430, uint256S("0x00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932")},
-                {250000, uint256S("0x000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214")},
-                {279000, uint256S("0x0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40")},
-                {295000, uint256S("0x00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983")},
+                {104679, uint256S("35eb87ae90d44b98898fec8c39577b76cb1eb08e1261cfc10706c8ce9a1d01cf")},
+                {145000, uint256S("cc47cae70d7c5c92828d3214a266331dde59087d4a39071fa76ddfff9b7bde72")},
+                {371337, uint256S("60323982f9c5ff1b5a954eac9dc1269352835f47c2c5222691d80f0d50dcf053")},
+                {450000, uint256S("d279277f8f846a224d776450aa04da3cf978991a182c6f3075db4c48b173bbd7")},
+                {550000, uint256S("ea8ed5430b221549a6a26f104b424ffd782ff4c8409bbbc5eaf3d83932825691")},
+                {650000, uint256S("486fcebc9a7288676a7614e1b6fd085d5d71019aead17d354a8bc2c3fde516e9")},
+                {771275, uint256S("1b7d789ed82cbdc640952e7e7a54966c6488a32eaad54fc39dff83f310dbaaed")},
+                {1000000, uint256S("6aae55bea74235f0c80bd066349d4440c31f2d0f27d54265ecd484d8c1d11b47")},
+                {1250000, uint256S("00c7a442055c1a990e11eea5371ca5c1c02a0677b33cc88ec728c45edc4ec060")},
+                {1500000, uint256S("f1d32d6920de7b617d51e74bdf4e58adccaa582ffdc8657464454f16a952fca6")},
+                {1750000, uint256S("5c8e7327984f0d6f59447d89d143e5f6eafc524c82ad95d176c5cec082ae2001")},
+                {2000000, uint256S("9914f0e82e39bbf21950792e8816620d71b9965bdbbc14e72a95e3ab9618fea8")},
+                {2031142, uint256S("893297d89afb7599a3c571ca31a3b80e8353f4cf39872400ad0f57d26c4c5d42")},
             }
         };
 
         chainTxData = ChainTxData{
             // Data from rpc: getchaintxstats 4096 0000000000000000002e63058c023a9a1de233554f28c7b21380b6c9003f36a8
-            /* nTime    */ 1532884444,
-            /* nTxCount */ 331282217,
-            /* dTxRate  */ 2.4
+            /* nTime    */ 1514549787,
+            /* nTxCount */ 32796624,
+            /* dTxRate  */ 0.04
         };
 
         /* disable fallback fee on mainnet */
@@ -188,24 +187,26 @@ class CTestNetParams : public CChainParams {
 public:
     CTestNetParams() {
         strNetworkID = "test";
-        consensus.nSubsidyHalvingInterval = 210000;
-        consensus.BIP16Exception = uint256S("0x00000000dd30457c001f4095d208cc1296b0eed002427aa599874af7a432b105");
-        consensus.BIP34Height = 21111;
-        consensus.BIP34Hash = uint256S("0x0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8");
-        consensus.BIP65Height = 581885; // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6
-        consensus.BIP66Height = 330776; // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182
-        consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
-        consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
-        consensus.nPowTargetSpacing = 10 * 60;
+        consensus.nSubsidyHalvingInterval = 100000;
+        consensus.BIP16Exception = uint256();
+        // BIP34 is never enforced in Dogecoin v2 blocks, so we enforce from v3
+        consensus.BIP34Height = 708658;
+        consensus.BIP34Hash = uint256S("0x21b8b97dcdb94caa67c7f8f6dbf22e61e0cfe0e46e1fff3528b22864659e9b38");
+        consensus.BIP65Height = 5000000; // Dogecoin: Use a stupidly high value as a placeholder until 1.14 locks this in
+        consensus.BIP66Height = 708658; // 21b8b97dcdb94caa67c7f8f6dbf22e61e0cfe0e46e1fff3528b22864659e9b38 - this is the last block that could be v2, 1900 blocks past the last v2 block
+        consensus.powLimit = uint256S("0x00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // ~uint256(0) >> 20;
+        consensus.nPowTargetTimespan = 4 * 60 * 60; // pre-digishield: 4 hours
+        consensus.nPowTargetSpacing = 60; // 1 minute
         consensus.fPowAllowMinDifficultyBlocks = true;
         consensus.fPowNoRetargeting = false;
         consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
-        consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
+        consensus.nMinerConfirmationWindow = 240; // nPowTargetTimespan / nPowTargetSpacing
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 1199145601; // January 1, 2008
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008
 
         // Deployment of BIP68, BIP112, and BIP113.
+        // XXX: BIP heights and hashes all need to be updated to Dogecoin values
         consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
         consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 1456790400; // March 1st, 2016
         consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1493596800; // May 1st, 2017
@@ -213,60 +214,61 @@ public:
         // Deployment of SegWit (BIP141, BIP143, and BIP147)
         consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
         consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1462060800; // May 1st 2016
-        consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1493596800; // May 1st 2017
+        consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 0; // Disabled
 
         // The best chain should have at least this much work.
-        consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000007dbe94253893cbd463");
+        consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000000000001030d1382ade");
 
         // By default assume that the signatures in ancestors of this block are valid.
         consensus.defaultAssumeValid = uint256S("0x0000000000000037a8cd3e06cd5edbfe9dd1dbcc5dacab279376ef7cfc2b4c75"); //1354312
 
-        pchMessageStart[0] = 0x0b;
-        pchMessageStart[1] = 0x11;
-        pchMessageStart[2] = 0x09;
-        pchMessageStart[3] = 0x07;
-        nDefaultPort = 18333;
+        pchMessageStart[0] = 0xfc;
+        pchMessageStart[1] = 0xc1;
+        pchMessageStart[2] = 0xb7;
+        pchMessageStart[3] = 0xdc;
+        nDefaultPort = 44556;
         nPruneAfterHeight = 1000;
 
-        genesis = CreateGenesisBlock(1296688602, 414098458, 0x1d00ffff, 1, 50 * COIN);
+        genesis = CreateGenesisBlock(1391503289, 997879, 0x1e0ffff0, 1, 88 * COIN);
         consensus.hashGenesisBlock = genesis.GetHash();
-        assert(consensus.hashGenesisBlock == uint256S("0x000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"));
-        assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
+        assert(consensus.hashGenesisBlock == uint256S("0xbb0a78264637406b6360aad926284d544d7049f45189db5664f3c4d07350559e"));
+        assert(genesis.hashMerkleRoot == uint256S("0x5b2a3f53f605d62c53e62932dac6925e3d74afa5a4b459745c36d42d0ed26a69"));
 
         vFixedSeeds.clear();
         vSeeds.clear();
         // nodes with support for servicebits filtering should be at the top
-        vSeeds.emplace_back("testnet-seed.bitcoin.jonasschnelli.ch");
-        vSeeds.emplace_back("seed.tbtc.petertodd.org");
-        vSeeds.emplace_back("seed.testnet.bitcoin.sprovoost.nl");
-        vSeeds.emplace_back("testnet-seed.bluematt.me"); // Just a static list of stable node(s), only supports x9
+        vSeeds.emplace_back("testseed.jrn.me.uk", true);
 
-        base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
+        base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,113);
         base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
-        base58Prefixes[SECRET_KEY] =     std::vector<unsigned char>(1,239);
+        base58Prefixes[SECRET_KEY] =     std::vector<unsigned char>(1,241);
         base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
         base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
 
         bech32_hrp = "tb";
 
-        vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));
+        //TODO: fix this for dogecoin -- plddr
+        //vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));
+        vFixedSeeds.clear();
 
         fDefaultConsistencyChecks = false;
         fRequireStandard = false;
         fMineBlocksOnDemand = false;
 
-
         checkpointData = {
             {
-                {546, uint256S("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70")},
+                {483173, uint256S("a804201ca0aceb7e937ef7a3c613a9b7589245b10cc095148c4ce4965b0b73b5")},
+                {591117, uint256S("5f6b93b2c28cedf32467d900369b8be6700f0649388a7dbfd3ebd4a01b1ffad8")},
+                {658924, uint256S("ed6c8324d9a77195ee080f225a0fca6346495e08ded99bcda47a8eea5a8a620b")},
+                {703635, uint256S("839fa54617adcd582d53030a37455c14a87a806f6615aa8213f13e196230ff7f")},
             }
         };
 
         chainTxData = ChainTxData{
             // Data from rpc: getchaintxstats 4096 0000000000000037a8cd3e06cd5edbfe9dd1dbcc5dacab279376ef7cfc2b4c75
-            /* nTime    */ 1531929919,
-            /* nTxCount */ 19438708,
-            /* dTxRate  */ 0.626
+            /* nTime    */ 1440601451,
+            /* nTxCount */ 1119061,
+            /* dTxRate  */ 0.01
         };
 
         /* enable fallback fee on testnet */
@@ -287,13 +289,13 @@ 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.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
+        consensus.powLimit = uint256S("0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // ~uint256(0) >> 1;
         consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
         consensus.nPowTargetSpacing = 10 * 60;
         consensus.fPowAllowMinDifficultyBlocks = true;
         consensus.fPowNoRetargeting = true;
         consensus.nRuleChangeActivationThreshold = 108; // 75% for testchains
-        consensus.nMinerConfirmationWindow = 144; // Faster than normal for regtest (144 instead of 2016)
+        consensus.nMinerConfirmationWindow = 60; // Faster than normal for regtest (60 instead of 240)
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
@@ -317,10 +319,11 @@ public:
         nDefaultPort = 18444;
         nPruneAfterHeight = 1000;
 
-        genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN);
+        genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 88 * COIN);
         consensus.hashGenesisBlock = genesis.GetHash();
-        assert(consensus.hashGenesisBlock == uint256S("0x0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"));
-        assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
+        assert(consensus.hashGenesisBlock == uint256S("0x3d2160a3b5dc4a9d62e7e66a295f70313ac808440ef7400d6c0772171ce973a5"));
+        // XXX: Fix for Dogecoin
+        // assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
 
         vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds.
         vSeeds.clear();      //!< Regtest mode doesn't have any DNS seeds.
@@ -331,7 +334,7 @@ public:
 
         checkpointData = {
             {
-                {0, uint256S("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206")},
+                {0, uint256S("3d2160a3b5dc4a9d62e7e66a295f70313ac808440ef7400d6c0772171ce973a5")},
             }
         };