scripted-diff: Convert 11 enums into scoped enums (C++11)

-BEGIN VERIFY SCRIPT-

sed -i 's/enum DBErrors/enum class DBErrors/g' src/wallet/walletdb.h
git grep -l DB_ | xargs sed -i 's/DB_\(LOAD_OK\|CORRUPT\|NONCRITICAL_ERROR\|TOO_NEW\|LOAD_FAIL\|NEED_REWRITE\)/DBErrors::\1/g'
sed -i 's/^    DBErrors::/    /g' src/wallet/walletdb.h

sed -i 's/enum VerifyResult/enum class VerifyResult/g' src/wallet/db.h
sed -i 's/\(VERIFY_OK\|RECOVER_OK\|RECOVER_FAIL\)/VerifyResult::\1/g' src/wallet/db.cpp

sed -i 's/enum ThresholdState/enum class ThresholdState/g' src/versionbits.h
git grep -l THRESHOLD_ | xargs sed -i 's/THRESHOLD_\(DEFINED\|STARTED\|LOCKED_IN\|ACTIVE\|FAILED\)/ThresholdState::\1/g'
sed -i 's/^    ThresholdState::/    /g' src/versionbits.h

sed -i 's/enum SigVersion/enum class SigVersion/g' src/script/interpreter.h
git grep -l SIGVERSION_ | xargs sed -i 's/SIGVERSION_\(BASE\|WITNESS_V0\)/SigVersion::\1/g'
sed -i 's/^    SigVersion::/    /g' src/script/interpreter.h

sed -i 's/enum RetFormat {/enum class RetFormat {/g' src/rest.cpp
sed -i 's/RF_\(UNDEF\|BINARY\|HEX\|JSON\)/RetFormat::\1/g' src/rest.cpp
sed -i 's/^    RetFormat::/    /g' src/rest.cpp

sed -i 's/enum HelpMessageMode {/enum class HelpMessageMode {/g' src/init.h
git grep -l HMM_ | xargs sed -i 's/HMM_BITCOIN/HelpMessageMode::BITCOIN/g'
sed -i 's/^    HelpMessageMode::/    /g' src/init.h

sed -i 's/enum FeeEstimateHorizon/enum class FeeEstimateHorizon/g' src/policy/fees.h

sed -i 's/enum RBFTransactionState/enum class RBFTransactionState/g' src/policy/rbf.h
git grep -l RBF_ | xargs sed -i 's/RBF_TRANSACTIONSTATE_\(UNKNOWN\|REPLACEABLE_BIP125\|FINAL\)/RBFTransactionState::\1/g'
sed -i 's/^    RBFTransactionState::/    /g' src/policy/rbf.h

sed -i 's/enum BlockSource {/enum class BlockSource {/g' src/qt/clientmodel.h
git grep -l BLOCK_SOURCE_ | xargs sed -i 's/BLOCK_SOURCE_\(NONE\|REINDEX\|DISK\|NETWORK\)/BlockSource::\1/g'
sed -i 's/^    BlockSource::/    /g' src/qt/clientmodel.h

sed -i 's/enum FlushStateMode {/enum class FlushStateMode {/g' src/validation.cpp
sed -i 's/FLUSH_STATE_\(NONE\|IF_NEEDED\|PERIODIC\|ALWAYS\)/FlushStateMode::\1/g' src/validation.cpp
sed -i 's/^    FlushStateMode::/    /g' src/validation.cpp

sed -i 's/enum WitnessMode {/enum class WitnessMode {/g' src/test/script_tests.cpp
sed -i 's/WITNESS_\(NONE\|PKH\|SH\)/WitnessMode::\1/g' src/test/script_tests.cpp
sed -i 's/^    WitnessMode::/    /g' src/test/script_tests.cpp

-END VERIFY SCRIPT-

src/test/txvalidationcache_tests.cpp

@@ -56,7 +56,7 @@ BOOST_FIXTURE_TEST_CASE(tx_mempool_block_doublespend, TestChain100Setup)
 
         // Sign:
         std::vector<unsigned char> vchSig;
-        uint256 hash = SignatureHash(scriptPubKey, spends[i], 0, SIGHASH_ALL, 0, SIGVERSION_BASE);
+        uint256 hash = SignatureHash(scriptPubKey, spends[i], 0, SIGHASH_ALL, 0, SigVersion::BASE);
         BOOST_CHECK(coinbaseKey.Sign(hash, vchSig));
         vchSig.push_back((unsigned char)SIGHASH_ALL);
         spends[i].vin[0].scriptSig << vchSig;
@@ -182,7 +182,7 @@ BOOST_FIXTURE_TEST_CASE(checkinputs_test, TestChain100Setup)
     // Sign, with a non-DER signature
     {
         std::vector<unsigned char> vchSig;
-        uint256 hash = SignatureHash(p2pk_scriptPubKey, spend_tx, 0, SIGHASH_ALL, 0, SIGVERSION_BASE);
+        uint256 hash = SignatureHash(p2pk_scriptPubKey, spend_tx, 0, SIGHASH_ALL, 0, SigVersion::BASE);
         BOOST_CHECK(coinbaseKey.Sign(hash, vchSig));
         vchSig.push_back((unsigned char) 0); // padding byte makes this non-DER
         vchSig.push_back((unsigned char)SIGHASH_ALL);
@@ -256,7 +256,7 @@ BOOST_FIXTURE_TEST_CASE(checkinputs_test, TestChain100Setup)
 
         // Sign
         std::vector<unsigned char> vchSig;
-        uint256 hash = SignatureHash(spend_tx.vout[2].scriptPubKey, invalid_with_cltv_tx, 0, SIGHASH_ALL, 0, SIGVERSION_BASE);
+        uint256 hash = SignatureHash(spend_tx.vout[2].scriptPubKey, invalid_with_cltv_tx, 0, SIGHASH_ALL, 0, SigVersion::BASE);
         BOOST_CHECK(coinbaseKey.Sign(hash, vchSig));
         vchSig.push_back((unsigned char)SIGHASH_ALL);
         invalid_with_cltv_tx.vin[0].scriptSig = CScript() << vchSig << 101;
@@ -284,7 +284,7 @@ BOOST_FIXTURE_TEST_CASE(checkinputs_test, TestChain100Setup)
 
         // Sign
         std::vector<unsigned char> vchSig;
-        uint256 hash = SignatureHash(spend_tx.vout[3].scriptPubKey, invalid_with_csv_tx, 0, SIGHASH_ALL, 0, SIGVERSION_BASE);
+        uint256 hash = SignatureHash(spend_tx.vout[3].scriptPubKey, invalid_with_csv_tx, 0, SIGHASH_ALL, 0, SigVersion::BASE);
         BOOST_CHECK(coinbaseKey.Sign(hash, vchSig));
         vchSig.push_back((unsigned char)SIGHASH_ALL);
         invalid_with_csv_tx.vin[0].scriptSig = CScript() << vchSig << 101;