Add new arguments

src/chainparams.cpp

@@ -7,6 +7,7 @@
 
 #include <chainparamsseeds.h>
 #include <consensus/merkle.h>
+#include <issuance.h>
 #include <primitives/transaction.h>
 #include <tinyformat.h>
 #include <util.h>
@@ -144,11 +145,14 @@ public:
 
         consensus.genesis_subsidy = 50*COIN;
         consensus.connect_genesis_outputs = false;
+        consensus.subsidy_asset = CAsset();
         anyonecanspend_aremine = false;
         enforce_pak = false;
         multi_data_permitted = false;
         consensus.has_parent_chain = false;
         g_signed_blocks = false;
+        g_con_elementswitness = false;
+        g_con_blockheightinheader = false;
 
         /**
          * The message start string is designed to be unlikely to occur in normal data.
@@ -267,10 +271,14 @@ public:
 
         consensus.genesis_subsidy = 50*COIN;
         consensus.connect_genesis_outputs = false;
+        consensus.subsidy_asset = CAsset();
         anyonecanspend_aremine = false;
         enforce_pak = false;
         multi_data_permitted = false;
         consensus.has_parent_chain = false;
+        g_signed_blocks = false;
+        g_con_elementswitness = false;
+        g_con_blockheightinheader = false;
 
         pchMessageStart[0] = 0x0b;
         pchMessageStart[1] = 0x11;
@@ -364,10 +372,14 @@ public:
 
         consensus.genesis_subsidy = 50*COIN;
         consensus.connect_genesis_outputs = false;
+        consensus.subsidy_asset = CAsset();
         anyonecanspend_aremine = false;
         enforce_pak = false;
         multi_data_permitted = false;
         consensus.has_parent_chain = false;
+        g_signed_blocks = false;
+        g_con_elementswitness = false;
+        g_con_blockheightinheader = false;
 
         pchMessageStart[0] = 0xfa;
         pchMessageStart[1] = 0xbf;
@@ -573,6 +585,27 @@ class CCustomParams : public CRegTestParams {
 
         base58Prefixes[BLINDED_ADDRESS] = std::vector<unsigned char>(1, args.GetArg("-blindedprefix", 4));
 
+        // Calculate pegged Bitcoin asset
+        std::vector<unsigned char> commit = CommitToArguments(consensus, strNetworkID);
+        uint256 entropy;
+        GenerateAssetEntropy(entropy,  COutPoint(uint256(commit), 0), parentGenesisBlockHash);
+
+        // Elements serialization uses derivation, bitcoin serialization uses 0x00
+        if (g_con_elementswitness) {
+            CalculateAsset(consensus.pegged_asset, entropy);
+        } else {
+            assert(consensus.pegged_asset == CAsset());
+        }
+
+        consensus.parent_pegged_asset.SetHex(args.GetArg("-con_parent_pegged_asset", "0x00"));
+        initial_reissuance_tokens = args.GetArg("-initialreissuancetokens", 0);
+
+        // Subsidy asset, like policyAsset, defaults to the pegged_asset
+        consensus.subsidy_asset = consensus.pegged_asset;
+        if (gArgs.IsArgSet("-subsidyasset")) {
+            consensus.subsidy_asset = CAsset(uint256S(gArgs.GetArg("-subsidyasset", "0x00")));
+        }
+
         // END ELEMENTS fields
 
         // CSV always active by default, unlike regtest

src/chainparams.h

@@ -107,6 +107,7 @@ protected:
     std::string strNetworkID;
     CBlock genesis;
     CAmount initialFreeCoins;
+    CAmount initial_reissuance_tokens;
     std::vector<SeedSpec6> vFixedSeeds;
     bool fDefaultConsistencyChecks;
     bool fRequireStandard;

src/consensus/params.h

@@ -6,6 +6,7 @@
 #ifndef BITCOIN_CONSENSUS_PARAMS_H
 #define BITCOIN_CONSENSUS_PARAMS_H
 
+#include <asset.h>
 #include <uint256.h>
 #include <limits>
 #include <map>
@@ -83,6 +84,7 @@ struct Params {
     // ELEMENTS CHAIN PARAMS
     CScript mandatory_coinbase_destination;
     CAmount genesis_subsidy;
+    CAsset subsidy_asset;
     bool connect_genesis_outputs;
     bool has_parent_chain;
     uint256 parentChainPowLimit;
@@ -90,6 +92,8 @@ struct Params {
     CScript parent_chain_signblockscript;
     bool ParentChainHasPow() const { return parent_chain_signblockscript == CScript();}
     CScript fedpegScript;
+    CAsset pegged_asset;
+    CAsset parent_pegged_asset;
     // g_con_blockheightinheader global hack instead of proper arg due to circular dep
     std::string genesis_style;
     CScript signblockscript;

src/init.cpp

@@ -65,6 +65,7 @@
 
 #include <primitives/pak.h> // CPAKList
 #include <assetsdir.h> // InitGlobalAssetDir
+#include <pegins.h>
 
 #if ENABLE_ZMQ
 #include <zmq/zmqnotificationinterface.h>
@@ -512,6 +513,7 @@ void SetupServerArgs()
     gArgs.AddArg("-blech32_hrp", strprintf("The human-readable part of the chain's blech32 encoding. Used in confidential addresses.(default: %s)", defaultChainParams->Blech32HRP()), false, OptionsCategory::CHAINPARAMS);
     gArgs.AddArg("-assetdir", "Entries of pet names of assets, in this format:asset=<hex>:<label>. There can be any number of entries.", false, OptionsCategory::ELEMENTS);
     gArgs.AddArg("-defaultpeggedassetname", "Default name of the pegged asset. (default: bitcoin)", false, OptionsCategory::ELEMENTS);
+    gArgs.AddArg("-blindedaddresses", "Give blind addresses by default via getnewaddress and getrawchangeaddress. (default: -con_elementswitness value)", false, OptionsCategory::ELEMENTS);
 
 #if HAVE_DECL_DAEMON
     gArgs.AddArg("-daemon", "Run in the background as a daemon and accept commands", false, OptionsCategory::OPTIONS);
@@ -539,6 +541,12 @@ void SetupServerArgs()
     gArgs.AddArg("-parentscriptprefix", strprintf("The byte prefix, in decimal, of the parent chain's base58 script address. (default: %d)", 196), false, OptionsCategory::CHAINPARAMS);
     gArgs.AddArg("-parent_bech32_hrp", strprintf("The human-readable part of the parent chain's bech32 encoding. (default: %s)", "bc"), false, OptionsCategory::CHAINPARAMS);
     gArgs.AddArg("-parent_blech32_hrp", strprintf("The human-readable part of the parent chain's blech32 encoding. (default: %s)", "bc"), false, OptionsCategory::CHAINPARAMS);
+    gArgs.AddArg("-con_parent_pegged_asset=<hex>", "Asset ID (hex) for pegged asset for when parent chain has CA. (default: 0x00)", false, OptionsCategory::CHAINPARAMS);
+    gArgs.AddArg("-feeasset=<hex>", strprintf("Asset ID (hex) for mempool/relay fees (default: %s)", defaultChainParams->GetConsensus().pegged_asset.GetHex()), false, OptionsCategory::CHAINPARAMS);
+    gArgs.AddArg("-subsidyasset=<hex>", strprintf("Asset ID (hex) for the block subsidy (default: %s)", defaultChainParams->GetConsensus().pegged_asset.GetHex()), false, OptionsCategory::CHAINPARAMS);
+    gArgs.AddArg("-initialreissuancetokens=<n>", "The amount of reissuance tokens created in the genesis block. (default: 0)", false, OptionsCategory::CHAINPARAMS);
+    gArgs.AddArg("-ct_bits", strprintf("The default number of hiding bits in a rangeproof. Will be exceeded to cover amounts exceeding the maximum hiding value. (default: %d)", 36), false, OptionsCategory::CHAINPARAMS);
+    gArgs.AddArg("-ct_exponent", strprintf("The hiding exponent. (default: %s)", 0), false, OptionsCategory::CHAINPARAMS);
 
     // Add the hidden options
     gArgs.AddHiddenArgs(hidden_args);
@@ -1294,6 +1302,9 @@ bool AppInitMain()
     RegisterZMQRPCCommands(tableRPC);
 #endif
 
+    // ELEMENTS:
+    policyAsset = CAsset(uint256S(gArgs.GetArg("-feeasset", chainparams.GetConsensus().pegged_asset.GetHex())));
+
     /* Start the RPC server already.  It will be started in "warmup" mode
      * and not really process calls already (but it will signify connections
      * that the server is there and will be ready later).  Warmup mode will
@@ -1832,7 +1843,21 @@ bool AppInitMain()
         }
     }
 
-    // ********************************************************* Step 14: finished
+    // ********************************************************* Step 14: Check fedpeg
+    // ELEMENTS:
+    if (chainparams.GetConsensus().has_parent_chain) {
+        // Will assert if not properly formatted
+        const CScript& fedpeg_script = chainparams.GetConsensus().fedpegScript;
+        unsigned int dummy_required;
+        std::vector<std::vector<unsigned char>> dummy_keys;
+        if (!MatchLiquidWatchman(fedpeg_script) &&
+                fedpeg_script != CScript() << OP_TRUE &&
+                !MatchMultisig(fedpeg_script, dummy_required, dummy_keys)) {
+            return InitError(_("ERROR: Fedpegscript is not one of the accepted templates: OP_TRUE, CHECKMULTISIG, and Liquidv1"));
+        }
+    }
+
+    // ********************************************************* Step 15: finished
 
     SetRPCWarmupFinished();
 

src/policy/policy.cpp

@@ -16,6 +16,8 @@
 #include <utilstrencodings.h>
 #include <chainparams.h> // Peg-out enforcement
 
+// ELEMENTS:
+CAsset policyAsset;
 
 CAmount GetDustThreshold(const CTxOut& txout, const CFeeRate& dustRelayFeeIn)
 {

src/policy/policy.h

@@ -16,6 +16,9 @@
 class CCoinsViewCache;
 class CTxOut;
 
+// ELEMENTS:
+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 **/