-ac_adaptivepow

src/komodo_defs.h

@@ -261,7 +261,7 @@ static const char *notaries_elected[NUM_KMD_SEASONS][NUM_KMD_NOTARIES][2] =
 //#define PRICES_DAYWINDOW (7)
 //#endif
 
-extern uint8_t ASSETCHAINS_TXPOW,ASSETCHAINS_PUBLIC;
+extern uint8_t ASSETCHAINS_TXPOW,ASSETCHAINS_PUBLIC,ASSETCHAINS_ADAPTIVEPOW;
 int32_t MAX_BLOCK_SIZE(int32_t height);
 extern char ASSETCHAINS_SYMBOL[KOMODO_ASSETCHAIN_MAXLEN];
 extern uint16_t ASSETCHAINS_P2PPORT,ASSETCHAINS_RPCPORT;

src/komodo_utils.h

@@ -1879,6 +1879,7 @@ void komodo_args(char *argv0)
         ASSETCHAINS_MARMARA = GetArg("-ac_marmara",0);
         ASSETCHAINS_CBOPRET = GetArg("-ac_cbopret",0);
         ASSETCHAINS_CBMATURITY = GetArg("-ac_cbmaturity",0);
+        ASSETCHAINS_ADAPTIVEPOW = GetArg("-ac_adaptivepow",0);
         //fprintf(stderr,"ASSETCHAINS_CBOPRET.%llx\n",(long long)ASSETCHAINS_CBOPRET);
         if ( ASSETCHAINS_CBOPRET != 0 )
         {
@@ -2065,7 +2066,7 @@ void komodo_args(char *argv0)
             fprintf(stderr,"-ac_script and -ac_marmara are mutually exclusive\n");
             StartShutdown();
         }
-        if ( ASSETCHAINS_ENDSUBSIDY[0] != 0 || ASSETCHAINS_REWARD[0] != 0 || ASSETCHAINS_HALVING[0] != 0 || ASSETCHAINS_DECAY[0] != 0 || ASSETCHAINS_COMMISSION != 0 || ASSETCHAINS_PUBLIC != 0 || ASSETCHAINS_PRIVATE != 0 || ASSETCHAINS_TXPOW != 0 || ASSETCHAINS_FOUNDERS != 0 || ASSETCHAINS_SCRIPTPUB.size() > 1 || ASSETCHAINS_SELFIMPORT.size() > 0 || ASSETCHAINS_OVERRIDE_PUBKEY33[0] != 0 || ASSETCHAINS_TIMELOCKGTE != _ASSETCHAINS_TIMELOCKOFF|| ASSETCHAINS_ALGO != ASSETCHAINS_EQUIHASH || ASSETCHAINS_LWMAPOS != 0 || ASSETCHAINS_LASTERA > 0 || ASSETCHAINS_BEAMPORT != 0 || ASSETCHAINS_CODAPORT != 0 || ASSETCHAINS_MARMARA != 0 || nonz > 0 || ASSETCHAINS_CCLIB.size() > 0 || ASSETCHAINS_FOUNDERS_REWARD != 0 || ASSETCHAINS_NOTARY_PAY[0] != 0 || ASSETCHAINS_BLOCKTIME != 60 || ASSETCHAINS_CBOPRET != 0 || Mineropret.size() != 0 || (ASSETCHAINS_NK[0] != 0 && ASSETCHAINS_NK[1] != 0) || KOMODO_SNAPSHOT_INTERVAL != 0 || ASSETCHAINS_EARLYTXIDCONTRACT != 0 || ASSETCHAINS_CBMATURITY != 0)
+        if ( ASSETCHAINS_ENDSUBSIDY[0] != 0 || ASSETCHAINS_REWARD[0] != 0 || ASSETCHAINS_HALVING[0] != 0 || ASSETCHAINS_DECAY[0] != 0 || ASSETCHAINS_COMMISSION != 0 || ASSETCHAINS_PUBLIC != 0 || ASSETCHAINS_PRIVATE != 0 || ASSETCHAINS_TXPOW != 0 || ASSETCHAINS_FOUNDERS != 0 || ASSETCHAINS_SCRIPTPUB.size() > 1 || ASSETCHAINS_SELFIMPORT.size() > 0 || ASSETCHAINS_OVERRIDE_PUBKEY33[0] != 0 || ASSETCHAINS_TIMELOCKGTE != _ASSETCHAINS_TIMELOCKOFF|| ASSETCHAINS_ALGO != ASSETCHAINS_EQUIHASH || ASSETCHAINS_LWMAPOS != 0 || ASSETCHAINS_LASTERA > 0 || ASSETCHAINS_BEAMPORT != 0 || ASSETCHAINS_CODAPORT != 0 || ASSETCHAINS_MARMARA != 0 || nonz > 0 || ASSETCHAINS_CCLIB.size() > 0 || ASSETCHAINS_FOUNDERS_REWARD != 0 || ASSETCHAINS_NOTARY_PAY[0] != 0 || ASSETCHAINS_BLOCKTIME != 60 || ASSETCHAINS_CBOPRET != 0 || Mineropret.size() != 0 || (ASSETCHAINS_NK[0] != 0 && ASSETCHAINS_NK[1] != 0) || KOMODO_SNAPSHOT_INTERVAL != 0 || ASSETCHAINS_EARLYTXIDCONTRACT != 0 || ASSETCHAINS_CBMATURITY != 0 || ASSETCHAINS_ADAPTIVEPOW != 0 )
         {
             fprintf(stderr,"perc %.4f%% ac_pub=[%02x%02x%02x...] acsize.%d\n",dstr(ASSETCHAINS_COMMISSION)*100,ASSETCHAINS_OVERRIDE_PUBKEY33[0],ASSETCHAINS_OVERRIDE_PUBKEY33[1],ASSETCHAINS_OVERRIDE_PUBKEY33[2],(int32_t)ASSETCHAINS_SCRIPTPUB.size());
             extraptr = extrabuf;
@@ -2214,6 +2215,8 @@ fprintf(stderr,"extralen.%d before disable bits\n",extralen);
             {
                 extralen += iguana_rwnum(1,&extraptr[extralen],sizeof(ASSETCHAINS_CBMATURITY),(void *)&ASSETCHAINS_CBMATURITY);
             }
+            if ( ASSETCHAINS_ADAPTIVEPOW != 0 )
+                extraptr[extralen++] = ASSETCHAINS_ADAPTIVEPOW;
         }
         
         addn = GetArg("-seednode","");

src/pow.cpp

@@ -453,6 +453,18 @@ bool CheckProofOfWork(const CBlockHeader &blkHeader, uint8_t *pubkey33, int32_t
         arith_uint256 bnMaxPoSdiff;
         bnTarget.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow);
     }
+    else if ( ASSETCHAINS_ADAPTIVEPOW != 0 && ASSETCHAINS_STAKED == 0 )
+    {
+        arith_uint256 origtarget;
+        uint32_t elapsed = (blkHeader.nTime - komodo_heightstamp(height));
+        if ( elapsed > 777 )
+        {
+            elapsed -= 777;
+            bnTarget = bnTarget / arith_uint256(elapsed * elapsed);
+            if ( bnTarget > origtarget )
+                bnTarget.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow);
+        }
+    }
     // Check proof of work matches claimed amount
     if ( UintToArith256(hash = blkHeader.GetHash()) > bnTarget && !blkHeader.IsVerusPOSBlock() )
     {