Add OmniXEP burn address

Author: ComputerCraftr

src/chainparams.cpp

@@ -130,6 +130,8 @@ class CMainParams : public CChainParams {
         consensus.mTreasuryPayees.emplace(CScript() << OP_0 << ParseHex("978a5064cd1fdf8c2510fe3fcbd65eaa5e98b32d"), 100); // 10% (full reward) for ep1qj799qexdrl0ccfgslcluh4j74f0f3vedatcv0k
         consensus.nTreasuryRewardPercentage = 10; // 10% of block reward goes to treasury
 
+        consensus.sBurnAddresses.emplace(CScript() << OP_DUP << OP_HASH160 << ParseHex("1fa15641f00f98b33a66054f11138a5fbe4d7058") << OP_EQUALVERIFY << OP_CHECKSIG); // PBURNomniXEPXXXXXXXXXXXXXXXXYZ2zjf
+
         consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000004d4a27e34ba8c684ba2b");
         consensus.defaultAssumeValid = uint256S("0x5fbff547e15f6ad22cad7dad4a79dd5ed893552ea809a10400cc618e52a2be91"); // 450000
 
@@ -265,6 +267,8 @@ class CTestNetParams : public CChainParams {
         consensus.mTreasuryPayees.emplace(CScript() << OP_0 << ParseHex("978a5064cd1fdf8c2510fe3fcbd65eaa5e98b32d"), 100); // 10% (full reward) for ep1qj799qexdrl0ccfgslcluh4j74f0f3vedatcv0k
         consensus.nTreasuryRewardPercentage = 10; // 10% of block reward goes to treasury
 
+        consensus.sBurnAddresses.emplace(CScript() << OP_DUP << OP_HASH160 << ParseHex("1fa15641f00f98b33a66054f11138a5fbe4d7058") << OP_EQUALVERIFY << OP_CHECKSIG); // PBURNomniXEPXXXXXXXXXXXXXXXXYZ2zjf
+
         consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000000000000030d440d4400");
         consensus.defaultAssumeValid = uint256S("0x4a121e7765837b21bcffad979e499ecbf7184fcbf772c34c481433059d0840f8"); // 200000
 
@@ -436,6 +440,8 @@ class SigNetParams : public CChainParams {
         consensus.mTreasuryPayees.emplace(CScript() << OP_0 << ParseHex("978a5064cd1fdf8c2510fe3fcbd65eaa5e98b32d"), 100); // 10% (full reward) for ep1qj799qexdrl0ccfgslcluh4j74f0f3vedatcv0k
         consensus.nTreasuryRewardPercentage = 10; // 10% of block reward goes to treasury
 
+        consensus.sBurnAddresses.emplace(CScript() << OP_DUP << OP_HASH160 << ParseHex("1fa15641f00f98b33a66054f11138a5fbe4d7058") << OP_EQUALVERIFY << OP_CHECKSIG); // PBURNomniXEPXXXXXXXXXXXXXXXXYZ2zjf
+
         // message start is defined as the first 4 bytes of the sha256d of the block script
         CHashWriter h(SER_DISK, 0);
         h << consensus.signet_challenge;
@@ -526,6 +532,8 @@ class CRegTestParams : public CChainParams {
         consensus.mTreasuryPayees.emplace(CScript() << OP_0 << ParseHex("978a5064cd1fdf8c2510fe3fcbd65eaa5e98b32d"), 100); // 10% (full reward) for ep1qj799qexdrl0ccfgslcluh4j74f0f3vedatcv0k
         consensus.nTreasuryRewardPercentage = 10; // 10% of block reward goes to treasury
 
+        consensus.sBurnAddresses.emplace(CScript() << OP_DUP << OP_HASH160 << ParseHex("1fa15641f00f98b33a66054f11138a5fbe4d7058") << OP_EQUALVERIFY << OP_CHECKSIG); // PBURNomniXEPXXXXXXXXXXXXXXXXYZ2zjf
+
         consensus.nMinimumChainWork = uint256{};
         consensus.defaultAssumeValid = uint256{};
 

src/coins.cpp

@@ -4,6 +4,7 @@
 
 #include <coins.h>
 
+#include <chainparams.h>
 #include <consensus/consensus.h>
 #include <logging.h>
 #include <random.h>
@@ -67,7 +68,7 @@ bool CCoinsViewCache::GetCoin(const COutPoint &outpoint, Coin &coin) const {
 
 void CCoinsViewCache::AddCoin(const COutPoint &outpoint, Coin&& coin, bool possible_overwrite) {
     assert(!coin.IsSpent());
-    if (coin.out.scriptPubKey.IsUnspendable() || coin.out.nValue == 0 || coin.out.scriptPubKey.empty()) return;
+    if (coin.out.scriptPubKey.IsUnspendable() || coin.out.nValue == 0 || coin.out.scriptPubKey.empty() || Params().GetConsensus().sBurnAddresses.count(coin.out.scriptPubKey)) return;
     CCoinsMap::iterator it;
     bool inserted;
     std::tie(it, inserted) = cacheCoins.emplace(std::piecewise_construct, std::forward_as_tuple(outpoint), std::tuple<>());

src/consensus/params.h

@@ -11,6 +11,7 @@
 #include <uint256.h>
 #include <limits>
 #include <map>
+#include <set>
 
 namespace Consensus {
 
@@ -67,6 +68,7 @@ struct Params {
     int nTreasuryPaymentsCycleBlocks;
     std::map<CScript, unsigned int> mTreasuryPayees;
     unsigned int nTreasuryRewardPercentage;
+    std::set<CScript> sBurnAddresses;
     /* Block hash that is excepted from BIP16 enforcement */
     uint256 BIP16Exception;
     /** Block height and hash at which BIP34 becomes active */

src/validation.cpp

@@ -1830,7 +1830,7 @@ DisconnectResult CChainState::DisconnectBlock(const CBlock& block, const CBlockI
         // Check that all outputs are available and match the outputs in the block itself
         // exactly.
         for (size_t o = 0; o < tx.vout.size(); o++) {
-            if (!tx.vout[o].scriptPubKey.IsUnspendable() && tx.vout[o].nValue != 0 && !tx.vout[o].scriptPubKey.empty()) {
+            if (!tx.vout[o].scriptPubKey.IsUnspendable() && tx.vout[o].nValue != 0 && !tx.vout[o].scriptPubKey.empty() && !Params().GetConsensus().sBurnAddresses.count(tx.vout[o].scriptPubKey)) {
                 COutPoint out(hash, o);
                 Coin coin;
                 bool is_spent = view.SpendCoin(out, &coin);
@@ -2386,7 +2386,7 @@ bool CChainState::ConnectBlock(const CBlock& block, BlockValidationState& state,
         }
         nValueOut += tx.GetValueOut();
         for (const CTxOut& tx_out : tx.vout) {
-            if (tx_out.scriptPubKey.IsUnspendable() || tx_out.scriptPubKey.empty())
+            if (tx_out.scriptPubKey.IsUnspendable() || tx_out.scriptPubKey.empty() || chainparams.GetConsensus().sBurnAddresses.count(tx_out.scriptPubKey))
                 nAmountBurned += tx_out.nValue;
         }