refactor: move block storage functions to src/node/blockstorage

src/Makefile.am

@@ -142,6 +142,7 @@ GRIDCOIN_CORE_H = \
     mruset.h \
     netbase.h \
     net.h \
+    node/blockstorage.h \
     pbkdf2.h \
     policy/fees.h \
     policy/policy.h \
@@ -239,6 +240,7 @@ GRIDCOIN_CORE_CPP = addrdb.cpp \
     miner.cpp \
     netbase.cpp \
     net.cpp \
+    node/blockstorage.cpp \
     noui.cpp \
     pbkdf2.cpp \
     policy/policy.cpp \

src/chainparams.cpp

@@ -64,6 +64,9 @@ class CMainParams : public CChainParams {
         consensus.BlockV9TallyHeight = 1144120;
         consensus.BlockV10Height = 1420000;
         consensus.BlockV11Height = 2053000;
+        // "standard" scrypt target limit for proof of work, results in 0,000244140625 proof-of-work difficulty.
+        // Equivalent to ~arith_uint256() >> 20 or 1e0fffff in compact notation.
+        consensus.powLimit = uint256S("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
         /**
          * The message start string is designed to be unlikely to occur in normal data.
          * The characters are rarely used upper ASCII, not valid as UTF-8, and produce
@@ -146,6 +149,8 @@ class CTestNetParams : public CChainParams {
         consensus.BlockV9TallyHeight = 399120;
         consensus.BlockV10Height = 629409;
         consensus.BlockV11Height = 1301500;
+        // Equivalent to ~arith_uint256() >> 16 or 1f00ffff in compact notation.
+        consensus.powLimit = uint256S("0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
 
         pchMessageStart[0] = 0xcd;
         pchMessageStart[1] = 0xf2;

src/consensus/params.h

@@ -29,5 +29,7 @@ struct Params {
     int BlockV10Height;
     /** Block height at which v11 blocks are created */
     int BlockV11Height;
+
+    uint256 powLimit;
 };
 } // namespace Consensus

src/gridcoin/accrual/snapshot.h

@@ -6,13 +6,15 @@
 
 #include "amount.h"
 #include "arith_uint256.h"
+#include "chainparams.h"
 #include "fs.h"
 #include "gridcoin/account.h"
 #include "gridcoin/accrual/computer.h"
 #include "gridcoin/beacon.h"
 #include "gridcoin/cpid.h"
 #include "gridcoin/superblock.h"
 #include "gridcoin/support/filehash.h"
+#include "node/blockstorage.h"
 #include "serialize.h"
 #include "streams.h"
 #include "tinyformat.h"
@@ -1638,7 +1640,7 @@ class SnapshotBaselineBuilder
 
         CBlock block;
 
-        if (!block.ReadFromDisk(pindex)) {
+        if (!ReadBlockFromDisk(block, pindex, Params().GetConsensus())) {
             return error(
                 "SnapshotBaselineBuilder: failed to load superblock %" PRIu64,
                 pindex->nHeight);

src/gridcoin/contract/contract.cpp

@@ -3,6 +3,7 @@
 // file COPYING or https://opensource.org/licenses/mit-license.php.
 
 #include "amount.h"
+#include "chainparams.h"
 #include "main.h"
 #include "gridcoin/appcache.h"
 #include "gridcoin/claim.h"
@@ -16,6 +17,7 @@
 #include "gridcoin/tx_message.h"
 #include "gridcoin/voting/payloads.h"
 #include "gridcoin/voting/registry.h"
+#include "node/blockstorage.h"
 #include "util.h"
 #include "wallet/wallet.h"
 
@@ -457,7 +459,7 @@ void GRC::ReplayContracts(CBlockIndex* pindex_end, CBlockIndex* pindex_start)
         // have to be checked, OR the block index entry is already marked to contain contract(s),
         // then apply the contracts found in the block.
         if (beacons.NeedsIsContractCorrection() || pindex->IsContract()) {
-            if (!block.ReadFromDisk(pindex)) {
+            if (!ReadBlockFromDisk(block, pindex, Params().GetConsensus())) {
                 continue;
             }
 
@@ -490,7 +492,7 @@ void GRC::ReplayContracts(CBlockIndex* pindex_end, CBlockIndex* pindex_start)
 
         if (pindex->IsSuperblock() && pindex->nVersion >= 11) {
             if (block.hashPrevBlock != pindex->pprev->GetBlockHash()
-                && !block.ReadFromDisk(pindex))
+                && !ReadBlockFromDisk(block, pindex, Params().GetConsensus()))
             {
                 continue;
             }

src/gridcoin/quorum.cpp

@@ -3,12 +3,14 @@
 // file COPYING or https://opensource.org/licenses/mit-license.php.
 
 #include "base58.h"
+#include "chainparams.h"
 #include "main.h"
 #include "gridcoin/claim.h"
 #include "gridcoin/magnitude.h"
 #include "gridcoin/quorum.h"
 #include "gridcoin/scraper/scraper_net.h"
 #include "gridcoin/superblock.h"
+#include "node/blockstorage.h"
 #include "util/reverse_iterator.h"
 #include <util/string.h>
 
@@ -458,7 +460,7 @@ class LegacyConsensus
 
         while (pindex && pindex->nHeight > min_height) {
             CBlock block;
-            block.ReadFromDisk(pindex);
+            ReadBlockFromDisk(block, pindex, Params().GetConsensus());
 
             if (block.GetClaim().m_quorum_hash.Valid()) {
                 Claim claim = block.PullClaim();

src/gridcoin/staking/difficulty.cpp

@@ -5,11 +5,13 @@
 
 #include "amount.h"
 #include "bignum.h"
+#include "chainparams.h"
 #include "init.h"
 #include "gridcoin/staking/difficulty.h"
 #include "gridcoin/staking/kernel.h"
 #include "gridcoin/staking/status.h"
 #include "main.h"
+#include "node/blockstorage.h"
 #include "txdb.h"
 #include "wallet/wallet.h"
 
@@ -367,7 +369,8 @@ double GRC::GetEstimatedTimetoStake(bool ignore_staking_status, double dDiff, do
         CBlock CoinBlock; //Block which contains CoinTx
         if (!txdb.ReadTxIndex(out.tx->GetHash(), txindex)) continue; //Ignore transactions that can't be read.
 
-        if (!CoinBlock.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false)) continue;
+        if (!ReadBlockFromDisk(CoinBlock, txindex.pos.nFile, txindex.pos.nBlockPos, Params().GetConsensus(), false))
+            continue;
 
         // We are going to store as an event the time that the UTXO matures (is available for staking again.)
         nTime = (CoinBlock.GetBlockTime() & ~ETTS_TIMESTAMP_MASK) + nStakeMinAge;

src/gridcoin/superblock.cpp

@@ -2,11 +2,13 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or https://opensource.org/licenses/mit-license.php.
 
+#include "chainparams.h"
 #include "compat/endian.h"
 #include "hash.h"
 #include "main.h"
 #include "gridcoin/superblock.h"
 #include "gridcoin/support/xml.h"
+#include "node/blockstorage.h"
 #include "sync.h"
 #include "util.h"
 #include "util/reverse_iterator.h"
@@ -981,7 +983,7 @@ SuperblockPtr SuperblockPtr::ReadFromDisk(const CBlockIndex* const pindex)
 
     CBlock block;
 
-    if (!block.ReadFromDisk(pindex)) {
+    if (!ReadBlockFromDisk(block, pindex, Params().GetConsensus())) {
         error("%s: failed to read superblock from disk", __func__);
         return Empty();
     }

src/gridcoin/voting/builders.cpp

@@ -3,6 +3,7 @@
 // file COPYING or https://opensource.org/licenses/mit-license.php.
 
 #include "amount.h"
+#include "chainparams.h"
 #include "init.h"
 #include "main.h"
 #include "gridcoin/beacon.h"
@@ -13,6 +14,7 @@
 #include "gridcoin/voting/claims.h"
 #include "gridcoin/voting/payloads.h"
 #include "gridcoin/voting/registry.h"
+#include "node/blockstorage.h"
 #include "ui_interface.h"
 #include "wallet/wallet.h"
 #include <util/string.h>
@@ -594,7 +596,7 @@ class MagnitudeClaimBuilder
                 continue;
             }
 
-            if (!block.ReadFromDisk(pindex)) {
+            if (!ReadBlockFromDisk(block, pindex, Params().GetConsensus())) {
                 break;
             }
 

src/gridcoin/voting/registry.cpp

@@ -3,6 +3,7 @@
 // file COPYING or https://opensource.org/licenses/mit-license.php.
 
 #include "amount.h"
+#include "chainparams.h"
 #include "main.h"
 #include "gridcoin/claim.h"
 #include "gridcoin/researcher.h"
@@ -12,6 +13,7 @@
 #include "gridcoin/voting/registry.h"
 #include "gridcoin/voting/vote.h"
 #include "gridcoin/support/block_finder.h"
+#include "node/blockstorage.h"
 #include "txdb.h"
 #include "ui_interface.h"
 #include "validation.h"
@@ -696,7 +698,7 @@ const PollReference* PollRegistry::TryByTxidWithAddHistoricalPollAndVotes(const
         // a valid vote.
         for (CBlockIndex* pindex = pindex_poll; pindex; pindex = pindex->pnext) {
             // If the block doesn't contain contract(s) or can't read, skip.
-            if (!pindex->IsContract() || !block.ReadFromDisk(pindex, true)) continue;
+            if (!pindex->IsContract() || !ReadBlockFromDisk(block, pindex, Params().GetConsensus())) continue;
 
             // Skip coinbase and coinstake transactions:
             for (unsigned int i = 2; i < block.vtx.size(); ++i) {

src/init.cpp

@@ -16,6 +16,7 @@
 #include "scheduler.h"
 #include "gridcoin/gridcoin.h"
 #include "miner.h"
+#include "node/blockstorage.h"
 
 #include <boost/algorithm/string/predicate.hpp>
 #include <openssl/crypto.h>
@@ -1186,7 +1187,7 @@ bool AppInit2(ThreadHandlerPtr threads)
             {
                 CBlockIndex* pindex = mi->second;
                 CBlock block;
-                block.ReadFromDisk(pindex);
+                ReadBlockFromDisk(block, pindex, Params().GetConsensus());
                 block.print();
                 LogPrintf("");
                 nFound++;