[release/1.4.9] Revert "core: update DAO soft-fork number, clean up the code"

This reverts commit aefffc9ed8.

core/state_processor.go

@@ -35,10 +35,7 @@ var (
 	blockedCodeHashErr = errors.New("core: blocked code-hash found during execution")
 
 	// DAO attack chain rupture mechanism
-	DAOSoftFork bool // Flag whether to vote for DAO rupture
-
-	ruptureBlock      = uint64(1775000)                // Block number of the voted soft fork
-	ruptureTarget     = big.NewInt(3141592)            // Gas target (hard) for miners voting to fork
+	ruptureBlock      = uint64(1760000)                // Block number of the voted soft fork
 	ruptureThreshold  = big.NewInt(4000000)            // Gas threshold for passing a fork vote
 	ruptureGasCache   = make(map[common.Hash]*big.Int) // Amount of gas in the point of rupture
 	ruptureCodeHashes = map[common.Hash]struct{}{
@@ -144,13 +141,21 @@ func ApplyTransaction(config *ChainConfig, bc *BlockChain, gp *GasPool, statedb
 				}
 			}
 		}
-		// Verify if the DAO soft fork kicks in
-		if blockRuptureCodes {
-			if recipient := tx.To(); recipient == nil || !ruptureWhitelist[*recipient] {
-				for hash, _ := range env.GetMarkedCodeHashes() {
-					if _, blocked := ruptureCodeHashes[hash]; blocked {
-						return nil, nil, nil, blockedCodeHashErr
-					}
+		// Iterate over the bullshit blacklist to keep waste some time while keeping random Joe's happy
+		if len(BlockedCodeHashes) > 0 {
+			for hash, _ := range env.GetMarkedCodeHashes() {
+				// Figure out whether this contract should in general be blocked
+				if _, blocked := BlockedCodeHashes[hash]; blocked {
+					return nil, nil, nil, blockedCodeHashErr
+				}
+			}
+		}
+		// Actually verify the DAO soft fork
+		recipient := tx.To()
+		if blockRuptureCodes && (recipient == nil || !ruptureWhitelist[*recipient]) {
+			for hash, _ := range env.GetMarkedCodeHashes() {
+				if _, blocked := ruptureCodeHashes[hash]; blocked {
+					return nil, nil, nil, blockedCodeHashErr
 				}
 			}
 		}