Add RequireStandard chain parameter

src/chainparams.cpp

@@ -226,6 +226,7 @@ public:
     }
 
     virtual bool AllowMinDifficultyBlocks() const { return true; }
+    virtual bool RequireStandard() const { return false; }
     virtual Network NetworkID() const { return CChainParams::TESTNET; }
 };
 static CTestNetParams testNetParams;
@@ -262,6 +263,7 @@ public:
     virtual bool MiningRequiresPeers() const { return false; }
     virtual bool MineBlocksOnDemand() const { return true; }
     virtual bool DefaultCheckMemPool() const { return true; }
+    virtual bool RequireStandard() const { return false; }
     virtual Network NetworkID() const { return CChainParams::REGTEST; }
 };
 static CRegTestParams regTestParams;

src/chainparams.h

@@ -72,6 +72,8 @@ public:
     virtual bool DefaultCheckMemPool() const { return false; }
     /* Allow mining of a min-difficulty block */
     virtual bool AllowMinDifficultyBlocks() const { return false; }
+    /* Make standard checks */
+    virtual bool RequireStandard() const { return true; }
     const string& DataDir() const { return strDataDir; }
     /* Make miner stop after a block is found. In RPC, don't return
      * until nGenProcLimit blocks are generated */

src/main.cpp

@@ -833,7 +833,7 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
 
     // Rather not work on nonstandard transactions (unless -testnet/-regtest)
     string reason;
-    if (Params().NetworkID() == CChainParams::MAIN && !IsStandardTx(tx, reason))
+    if (Params().RequireStandard() && !IsStandardTx(tx, reason))
         return state.DoS(0,
                          error("AcceptToMemoryPool : nonstandard transaction: %s", reason),
                          REJECT_NONSTANDARD, reason);
@@ -894,7 +894,7 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
         }
 
         // Check for non-standard pay-to-script-hash in inputs
-        if (Params().NetworkID() == CChainParams::MAIN && !AreInputsStandard(tx, view))
+        if (Params().RequireStandard() && !AreInputsStandard(tx, view))
             return error("AcceptToMemoryPool: : nonstandard transaction input");
 
         // Note: if you modify this code to accept non-standard transactions, then