diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index e5efb3012286..7fb25b70aa57 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -271,83 +271,119 @@ test_test_dash_LDADD += $(LIBBITCOIN_ZMQ) $(ZMQ_LIBS)
 endif
 
 if ENABLE_FUZZ
-test_fuzz_block_SOURCES = $(FUZZ_SUITE) test/fuzz/block.cpp
-test_fuzz_block_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_block_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_block_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_block_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_block_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_block_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCK_DESERIALIZE=1
-test_fuzz_block_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_block_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_block_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_blocklocator_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_blocklocator_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCKLOCATOR_DESERIALIZE=1
-test_fuzz_blocklocator_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_blocklocator_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_blocklocator_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_addr_info_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DADDR_INFO_DESERIALIZE=1
+test_fuzz_addr_info_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_addr_info_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_addr_info_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_addr_info_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_blockmerkleroot_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_blockmerkleroot_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCKMERKLEROOT=1
-test_fuzz_blockmerkleroot_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_blockmerkleroot_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_blockmerkleroot_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_address_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DADDRESS_DESERIALIZE=1
+test_fuzz_address_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_address_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_address_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_address_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_addrman_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_addrman_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DADDRMAN_DESERIALIZE=1
 test_fuzz_addrman_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_addrman_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_addrman_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_addrman_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_addrman_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_asmap_SOURCES = $(FUZZ_SUITE) test/fuzz/asmap.cpp
 test_fuzz_asmap_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_asmap_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_asmap_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_asmap_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_asmap_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_asmap_SOURCES = $(FUZZ_SUITE) test/fuzz/asmap.cpp
 
-test_fuzz_asmap_direct_SOURCES = $(FUZZ_SUITE) test/fuzz/asmap_direct.cpp
 test_fuzz_asmap_direct_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_asmap_direct_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_asmap_direct_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_asmap_direct_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_asmap_direct_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_asmap_direct_SOURCES = $(FUZZ_SUITE) test/fuzz/asmap_direct.cpp
 
-test_fuzz_blockheader_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_blockheader_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCKHEADER_DESERIALIZE=1
-test_fuzz_blockheader_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_blockheader_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_blockheader_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_banentry_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_banentry_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBANENTRY_DESERIALIZE=1
 test_fuzz_banentry_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_banentry_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_banentry_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_banentry_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_banentry_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_base_encode_decode_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_base_encode_decode_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_base_encode_decode_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_base_encode_decode_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_base_encode_decode_SOURCES = $(FUZZ_SUITE) test/fuzz/base_encode_decode.cpp
 
-test_fuzz_bech32_SOURCES = $(FUZZ_SUITE) test/fuzz/bech32.cpp
 test_fuzz_bech32_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_bech32_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_bech32_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_bech32_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_bech32_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_bech32_SOURCES = $(FUZZ_SUITE) test/fuzz/bech32.cpp
 
-test_fuzz_base_encode_decode_SOURCES = $(FUZZ_SUITE) test/fuzz/base_encode_decode.cpp
-test_fuzz_base_encode_decode_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_base_encode_decode_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_base_encode_decode_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_base_encode_decode_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_block_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_block_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_block_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_block_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_block_SOURCES = $(FUZZ_SUITE) test/fuzz/block.cpp
 
-test_fuzz_txundo_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_txundo_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DTXUNDO_DESERIALIZE=1
-test_fuzz_txundo_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_txundo_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_txundo_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_block_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCK_DESERIALIZE=1
+test_fuzz_block_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_block_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_block_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_block_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_block_file_info_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCK_FILE_INFO_DESERIALIZE=1
+test_fuzz_block_file_info_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_block_file_info_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_block_file_info_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_block_file_info_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_block_filter_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCK_FILTER_DESERIALIZE=1
+test_fuzz_block_filter_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_block_filter_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_block_filter_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_block_filter_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_block_header_and_short_txids_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCK_HEADER_AND_SHORT_TXIDS_DESERIALIZE=1
+test_fuzz_block_header_and_short_txids_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_block_header_and_short_txids_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_block_header_and_short_txids_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_block_header_and_short_txids_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_blockheader_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCKHEADER_DESERIALIZE=1
+test_fuzz_blockheader_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_blockheader_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_blockheader_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_blockheader_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_blocklocator_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCKLOCATOR_DESERIALIZE=1
+test_fuzz_blocklocator_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_blocklocator_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_blocklocator_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_blocklocator_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_blockmerkleroot_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCKMERKLEROOT=1
+test_fuzz_blockmerkleroot_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_blockmerkleroot_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_blockmerkleroot_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_blockmerkleroot_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_blocktransactions_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCKTRANSACTIONS_DESERIALIZE=1
+test_fuzz_blocktransactions_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_blocktransactions_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_blocktransactions_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_blocktransactions_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_blocktransactionsrequest_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCKTRANSACTIONSREQUEST_DESERIALIZE=1
+test_fuzz_blocktransactionsrequest_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_blocktransactionsrequest_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_blocktransactionsrequest_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_blocktransactionsrequest_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_blockundo_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_blockundo_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCKUNDO_DESERIALIZE=1
 test_fuzz_blockundo_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_blockundo_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_blockundo_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_blockundo_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_blockundo_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
 test_fuzz_bloom_filter_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_bloom_filter_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
@@ -355,167 +391,53 @@ test_fuzz_bloom_filter_LDADD = $(FUZZ_SUITE_LD_COMMON)
 test_fuzz_bloom_filter_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_bloom_filter_SOURCES = $(FUZZ_SUITE) test/fuzz/bloom_filter.cpp
 
-test_fuzz_bloomfilter_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_bloomfilter_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOOMFILTER_DESERIALIZE=1
 test_fuzz_bloomfilter_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_bloomfilter_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_bloomfilter_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_bloomfilter_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_bloomfilter_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_coins_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_coins_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DCOINS_DESERIALIZE=1
 test_fuzz_coins_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_coins_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_coins_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_coins_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_coins_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_decode_tx_SOURCES = $(FUZZ_SUITE) test/fuzz/decode_tx.cpp
 test_fuzz_decode_tx_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_decode_tx_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_decode_tx_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_decode_tx_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_decode_tx_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_decode_tx_SOURCES = $(FUZZ_SUITE) test/fuzz/decode_tx.cpp
 
-test_fuzz_descriptor_parse_SOURCES = $(FUZZ_SUITE) test/fuzz/descriptor_parse.cpp
 test_fuzz_descriptor_parse_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_descriptor_parse_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_descriptor_parse_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)  $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_descriptor_parse_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_descriptor_parse_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)  $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_descriptor_parse_SOURCES = $(FUZZ_SUITE) test/fuzz/descriptor_parse.cpp
 
-test_fuzz_netaddr_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_netaddr_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DNETADDR_DESERIALIZE=1
-test_fuzz_netaddr_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_netaddr_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_netaddr_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_parse_iso8601_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_iso8601.cpp
-test_fuzz_parse_iso8601_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_parse_iso8601_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_parse_iso8601_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_parse_iso8601_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_script_SOURCES = $(FUZZ_SUITE) test/fuzz/script.cpp
-test_fuzz_script_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_script_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_script_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_script_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_script_flags_SOURCES = $(FUZZ_SUITE) test/fuzz/script_flags.cpp
-test_fuzz_script_flags_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_script_flags_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_script_flags_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_script_flags_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_service_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_service_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DSERVICE_DESERIALIZE=1
-test_fuzz_service_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_service_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_service_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_spanparsing_SOURCES = $(FUZZ_SUITE) test/fuzz/spanparsing.cpp
-test_fuzz_spanparsing_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_spanparsing_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_spanparsing_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_spanparsing_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_messageheader_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_messageheader_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DMESSAGEHEADER_DESERIALIZE=1
-test_fuzz_messageheader_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_messageheader_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_messageheader_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_address_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_address_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DADDRESS_DESERIALIZE=1
-test_fuzz_address_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_address_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_address_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_hex_SOURCES = $(FUZZ_SUITE) test/fuzz/hex.cpp
-test_fuzz_hex_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_hex_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_hex_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_hex_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_inv_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_inv_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DINV_DESERIALIZE=1
-test_fuzz_inv_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_inv_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_inv_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_diskblockindex_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_diskblockindex_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DDISKBLOCKINDEX_DESERIALIZE=1
 test_fuzz_diskblockindex_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_diskblockindex_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_diskblockindex_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_diskblockindex_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_diskblockindex_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_eval_script_SOURCES = $(FUZZ_SUITE) test/fuzz/eval_script.cpp
 test_fuzz_eval_script_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_eval_script_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_eval_script_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_eval_script_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_eval_script_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_eval_script_SOURCES = $(FUZZ_SUITE) test/fuzz/eval_script.cpp
 
-test_fuzz_integer_SOURCES = $(FUZZ_SUITE) test/fuzz/integer.cpp
-test_fuzz_integer_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_integer_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_integer_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_integer_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_txoutcompressor_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_txoutcompressor_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DTXOUTCOMPRESSOR_DESERIALIZE=1
-test_fuzz_txoutcompressor_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_txoutcompressor_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_txoutcompressor_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_blocktransactions_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_blocktransactions_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCKTRANSACTIONS_DESERIALIZE=1
-test_fuzz_blocktransactions_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_blocktransactions_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_blocktransactions_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_blocktransactionsrequest_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_blocktransactionsrequest_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCKTRANSACTIONSREQUEST_DESERIALIZE=1
-test_fuzz_blocktransactionsrequest_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_blocktransactionsrequest_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_blocktransactionsrequest_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_transaction_SOURCES = $(FUZZ_SUITE) test/fuzz/transaction.cpp
-test_fuzz_transaction_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_transaction_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_transaction_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_transaction_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_addr_info_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_addr_info_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DADDR_INFO_DESERIALIZE=1
-test_fuzz_addr_info_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_addr_info_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_addr_info_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_block_file_info_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_block_file_info_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCK_FILE_INFO_DESERIALIZE=1
-test_fuzz_block_file_info_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_block_file_info_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_block_file_info_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_block_filter_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_block_filter_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCK_FILTER_DESERIALIZE=1
-test_fuzz_block_filter_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_block_filter_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_block_filter_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_block_header_and_short_txids_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_block_header_and_short_txids_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCK_HEADER_AND_SHORT_TXIDS_DESERIALIZE=1
-test_fuzz_block_header_and_short_txids_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_block_header_and_short_txids_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_block_header_and_short_txids_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_fee_rate_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_fee_rate_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DFEE_RATE_DESERIALIZE=1
 test_fuzz_fee_rate_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_fee_rate_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_fee_rate_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_fee_rate_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_fee_rate_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_flat_file_pos_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_flat_file_pos_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DFLAT_FILE_POS_DESERIALIZE=1
 test_fuzz_flat_file_pos_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_flat_file_pos_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_flat_file_pos_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_flat_file_pos_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_flat_file_pos_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
 test_fuzz_float_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_float_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
@@ -523,17 +445,35 @@ test_fuzz_float_LDADD = $(FUZZ_SUITE_LD_COMMON)
 test_fuzz_float_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_float_SOURCES = $(FUZZ_SUITE) test/fuzz/float.cpp
 
+test_fuzz_hex_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_hex_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_hex_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_hex_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_hex_SOURCES = $(FUZZ_SUITE) test/fuzz/hex.cpp
+
+test_fuzz_integer_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_integer_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_integer_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_integer_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_integer_SOURCES = $(FUZZ_SUITE) test/fuzz/integer.cpp
+
+test_fuzz_inv_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DINV_DESERIALIZE=1
+test_fuzz_inv_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_inv_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_inv_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_inv_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
 test_fuzz_key_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_key_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 test_fuzz_key_LDADD = $(FUZZ_SUITE_LD_COMMON)
 test_fuzz_key_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_key_SOURCES = $(FUZZ_SUITE) test/fuzz/key.cpp
 
-test_fuzz_key_origin_info_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_key_origin_info_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DKEY_ORIGIN_INFO_DESERIALIZE=1
 test_fuzz_key_origin_info_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_key_origin_info_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_key_origin_info_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_key_origin_info_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_key_origin_info_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
 test_fuzz_locale_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_locale_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
@@ -541,17 +481,29 @@ test_fuzz_locale_LDADD = $(FUZZ_SUITE_LD_COMMON)
 test_fuzz_locale_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_locale_SOURCES = $(FUZZ_SUITE) test/fuzz/locale.cpp
 
-test_fuzz_merkle_block_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_merkle_block_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DMERKLE_BLOCK_DESERIALIZE=1
 test_fuzz_merkle_block_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_merkle_block_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_merkle_block_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_merkle_block_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_merkle_block_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_messageheader_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DMESSAGEHEADER_DESERIALIZE=1
+test_fuzz_messageheader_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_messageheader_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_messageheader_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_messageheader_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_netaddr_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DNETADDR_DESERIALIZE=1
+test_fuzz_netaddr_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_netaddr_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_netaddr_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_netaddr_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_out_point_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_out_point_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DOUT_POINT_DESERIALIZE=1
 test_fuzz_out_point_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_out_point_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_out_point_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_out_point_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_out_point_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
 test_fuzz_p2p_transport_deserializer_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_p2p_transport_deserializer_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
@@ -559,47 +511,77 @@ test_fuzz_p2p_transport_deserializer_LDADD = $(FUZZ_SUITE_LD_COMMON)
 test_fuzz_p2p_transport_deserializer_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_p2p_transport_deserializer_SOURCES = $(FUZZ_SUITE) test/fuzz/p2p_transport_deserializer.cpp
 
-test_fuzz_partially_signed_transaction_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_partially_signed_transaction_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DPARTIALLY_SIGNED_TRANSACTION_DESERIALIZE=1
-test_fuzz_partially_signed_transaction_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_partially_signed_transaction_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_partially_signed_transaction_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_parse_hd_keypath_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_parse_hd_keypath_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_parse_hd_keypath_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_parse_hd_keypath_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_parse_hd_keypath_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_hd_keypath.cpp
+
+test_fuzz_parse_iso8601_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_parse_iso8601_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_parse_iso8601_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_parse_iso8601_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_parse_iso8601_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_iso8601.cpp
+
+test_fuzz_parse_numbers_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_parse_numbers_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_parse_numbers_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_parse_numbers_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_parse_numbers_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_numbers.cpp
+
+test_fuzz_parse_script_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_parse_script_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_parse_script_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_parse_script_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_parse_script_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_script.cpp
+
+test_fuzz_parse_univalue_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_parse_univalue_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_parse_univalue_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_parse_univalue_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_parse_univalue_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_univalue.cpp
 
-test_fuzz_partial_merkle_tree_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_partial_merkle_tree_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DPARTIAL_MERKLE_TREE_DESERIALIZE=1
 test_fuzz_partial_merkle_tree_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_partial_merkle_tree_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_partial_merkle_tree_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_partial_merkle_tree_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_partial_merkle_tree_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_partially_signed_transaction_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DPARTIALLY_SIGNED_TRANSACTION_DESERIALIZE=1
+test_fuzz_partially_signed_transaction_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_partially_signed_transaction_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_partially_signed_transaction_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_partially_signed_transaction_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_prefilled_transaction_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_prefilled_transaction_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DPREFILLED_TRANSACTION_DESERIALIZE=1
 test_fuzz_prefilled_transaction_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_prefilled_transaction_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_prefilled_transaction_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_prefilled_transaction_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_prefilled_transaction_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_process_message_SOURCES = $(FUZZ_SUITE) test/fuzz/process_message.cpp
 test_fuzz_process_message_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_process_message_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_process_message_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_process_message_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_process_message_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_process_message_SOURCES = $(FUZZ_SUITE) test/fuzz/process_message.cpp
 
-test_fuzz_psbt_input_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_psbt_input_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DPSBT_INPUT_DESERIALIZE=1
 test_fuzz_psbt_input_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_psbt_input_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_psbt_input_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_psbt_input_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_psbt_input_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_psbt_output_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_psbt_output_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DPSBT_OUTPUT_DESERIALIZE=1
 test_fuzz_psbt_output_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_psbt_output_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_psbt_output_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_psbt_output_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_psbt_output_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_pub_key_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_pub_key_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DPUB_KEY_DESERIALIZE=1
 test_fuzz_pub_key_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_pub_key_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_pub_key_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_pub_key_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_pub_key_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
 test_fuzz_rolling_bloom_filter_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_rolling_bloom_filter_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
@@ -607,11 +589,35 @@ test_fuzz_rolling_bloom_filter_LDADD = $(FUZZ_SUITE_LD_COMMON)
 test_fuzz_rolling_bloom_filter_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_rolling_bloom_filter_SOURCES = $(FUZZ_SUITE) test/fuzz/rolling_bloom_filter.cpp
 
-test_fuzz_script_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+test_fuzz_script_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_script_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_script_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_script_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_script_SOURCES = $(FUZZ_SUITE) test/fuzz/script.cpp
+
 test_fuzz_script_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DSCRIPT_DESERIALIZE=1
 test_fuzz_script_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_script_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_script_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_script_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_script_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_script_flags_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_script_flags_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_script_flags_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_script_flags_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_script_flags_SOURCES = $(FUZZ_SUITE) test/fuzz/script_flags.cpp
+
+test_fuzz_service_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DSERVICE_DESERIALIZE=1
+test_fuzz_service_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_service_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_service_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_service_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+
+test_fuzz_spanparsing_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_spanparsing_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_spanparsing_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_spanparsing_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_spanparsing_SOURCES = $(FUZZ_SUITE) test/fuzz/spanparsing.cpp
 
 test_fuzz_strprintf_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_strprintf_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
@@ -619,54 +625,47 @@ test_fuzz_strprintf_LDADD = $(FUZZ_SUITE_LD_COMMON)
 test_fuzz_strprintf_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_strprintf_SOURCES = $(FUZZ_SUITE) test/fuzz/strprintf.cpp
 
-test_fuzz_sub_net_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_sub_net_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DSUB_NET_DESERIALIZE=1
 test_fuzz_sub_net_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_sub_net_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_sub_net_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_sub_net_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_sub_net_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_tx_in_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
-test_fuzz_tx_in_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DTX_IN_DESERIALIZE=1
-test_fuzz_tx_in_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_tx_in_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_tx_in_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_transaction_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_transaction_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_transaction_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_transaction_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_transaction_SOURCES = $(FUZZ_SUITE) test/fuzz/transaction.cpp
 
-test_fuzz_tx_in_SOURCES = $(FUZZ_SUITE) test/fuzz/tx_in.cpp
 test_fuzz_tx_in_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_tx_in_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_tx_in_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_tx_in_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_tx_in_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_tx_in_SOURCES = $(FUZZ_SUITE) test/fuzz/tx_in.cpp
+
+test_fuzz_tx_in_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DTX_IN_DESERIALIZE=1
+test_fuzz_tx_in_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_tx_in_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_tx_in_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_tx_in_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
-test_fuzz_tx_out_SOURCES = $(FUZZ_SUITE) test/fuzz/tx_out.cpp
 test_fuzz_tx_out_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 test_fuzz_tx_out_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_tx_out_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
 test_fuzz_tx_out_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_tx_out_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_tx_out_SOURCES = $(FUZZ_SUITE) test/fuzz/tx_out.cpp
 
-test_fuzz_parse_hd_keypath_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_hd_keypath.cpp
-test_fuzz_parse_hd_keypath_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_parse_hd_keypath_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_parse_hd_keypath_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_parse_hd_keypath_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_parse_script_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_script.cpp
-test_fuzz_parse_script_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_parse_script_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_parse_script_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_parse_script_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_parse_numbers_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_numbers.cpp
-test_fuzz_parse_numbers_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_parse_numbers_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_parse_numbers_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_parse_numbers_LDADD = $(FUZZ_SUITE_LD_COMMON)
-
-test_fuzz_parse_univalue_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_univalue.cpp
-test_fuzz_parse_univalue_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
-test_fuzz_parse_univalue_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
-test_fuzz_parse_univalue_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
-test_fuzz_parse_univalue_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_txoutcompressor_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DTXOUTCOMPRESSOR_DESERIALIZE=1
+test_fuzz_txoutcompressor_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_txoutcompressor_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_txoutcompressor_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_txoutcompressor_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 
+test_fuzz_txundo_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DTXUNDO_DESERIALIZE=1
+test_fuzz_txundo_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_txundo_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_txundo_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
+test_fuzz_txundo_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 endif # ENABLE_FUZZ
 
 nodist_test_test_dash_SOURCES = $(GENERATED_TEST_FILES)
diff --git a/src/coinjoin/util.cpp b/src/coinjoin/util.cpp
index 824798b7e9fe..30fba7258d97 100644
--- a/src/coinjoin/util.cpp
+++ b/src/coinjoin/util.cpp
@@ -252,7 +252,7 @@ int CTransactionBuilder::GetSizeOfCompactSizeDiff(size_t nAdd) const
 
 bool CTransactionBuilder::IsDust(CAmount nAmount) const
 {
-    return ::IsDust(CTxOut(nAmount, ::GetScriptForDestination(tallyItem.txdest)), coinControl.m_discard_feerate.get());
+    return ::IsDust(CTxOut(nAmount, ::GetScriptForDestination(tallyItem.txdest)), coinControl.m_discard_feerate.value());
 }
 
 bool CTransactionBuilder::Commit(bilingual_str& strResult)
diff --git a/src/init.cpp b/src/init.cpp
index 882043145ca6..b84d6579940b 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1781,9 +1781,9 @@ bool AppInitMain(const util::Ref& context, NodeContext& node, interfaces::BlockA
     node.mempool = &::mempool;
     assert(!node.chainman);
     node.chainman = &g_chainman;
-    ChainstateManager& chainman = EnsureChainman(node);
+    ChainstateManager& chainman = *Assert(node.chainman);
 
-    node.peer_logic.reset(new PeerLogicValidation(node.connman.get(), node.banman.get(), *node.scheduler, *node.chainman, *node.mempool, args.GetBoolArg("-enablebip61", DEFAULT_ENABLE_BIP61)));
+    node.peer_logic.reset(new PeerLogicValidation(node.connman.get(), node.banman.get(), *node.scheduler, chainman, *node.mempool, args.GetBoolArg("-enablebip61", DEFAULT_ENABLE_BIP61)));
     RegisterValidationInterface(node.peer_logic.get());
 
     // sanitize comments per BIP-0014, format user agent and check total size
diff --git a/src/interfaces/chain.h b/src/interfaces/chain.h
index 360ad9db6222..7513c4c2ffac 100644
--- a/src/interfaces/chain.h
+++ b/src/interfaces/chain.h
@@ -15,6 +15,7 @@
 #include <string>
 #include <vector>
 
+class ArgsManager;
 class CBlock;
 class CConnman;
 class CFeeRate;
diff --git a/src/interfaces/wallet.cpp b/src/interfaces/wallet.cpp
index 66ceed744524..be8888dea235 100644
--- a/src/interfaces/wallet.cpp
+++ b/src/interfaces/wallet.cpp
@@ -78,7 +78,7 @@ WalletTx MakeWalletTx(CWallet& wallet, const CWalletTx& wtx)
 WalletTxStatus MakeWalletTxStatus(CWallet& wallet, const CWalletTx& wtx)
 {
     WalletTxStatus result;
-    result.block_height = wallet.chain().getBlockHeight(wtx.m_confirm.hashBlock).get_value_or(std::numeric_limits<int>::max());
+    result.block_height = wallet.chain().getBlockHeight(wtx.m_confirm.hashBlock).value_or(std::numeric_limits<int>::max());
     result.blocks_to_maturity = wtx.GetBlocksToMaturity();
     result.depth_in_main_chain = wtx.GetDepthInMainChain();
     result.time_received = wtx.nTimeReceived;
@@ -395,7 +395,7 @@ class WalletImpl : public Wallet
             return false;
         }
         balances = getBalances();
-        num_blocks = m_wallet->chain().getHeight().get_value_or(-1);
+        num_blocks = m_wallet->chain().getHeight().value_or(-1);
         return true;
     }
     CAmount getBalance() override
@@ -558,10 +558,11 @@ class WalletImpl : public Wallet
 class WalletClientImpl : public WalletClient
 {
 public:
-    WalletClientImpl(Chain& chain, std::vector<std::string> wallet_filenames)
+    WalletClientImpl(Chain& chain, ArgsManager& args, std::vector<std::string> wallet_filenames)
         : m_wallet_filenames(std::move(wallet_filenames))
     {
         m_context.chain = &chain;
+        m_context.args = &args;
     }
     ~WalletClientImpl() override { UnloadWallets(); }
 
@@ -577,7 +578,7 @@ class WalletClientImpl : public WalletClient
     }
     bool verify() override { return VerifyWallets(*m_context.chain, m_wallet_filenames); }
     bool load() override { return LoadWallets(*m_context.chain, m_wallet_filenames); }
-    void start(CScheduler& scheduler) override { return StartWallets(scheduler); }
+    void start(CScheduler& scheduler) override { return StartWallets(scheduler, *Assert(m_context.args)); }
     void flush() override { return FlushWallets(); }
     void stop() override { return StopWallets(); }
     void setMockTime(int64_t time) override { return SetMockTime(time); }
@@ -619,7 +620,7 @@ class WalletClientImpl : public WalletClient
     }
 
     WalletContext m_context;
-    std::vector<std::string> m_wallet_filenames;
+    const std::vector<std::string> m_wallet_filenames;
     std::vector<std::unique_ptr<Handler>> m_rpc_handlers;
     std::list<CRPCCommand> m_rpc_commands;
 };
@@ -628,9 +629,9 @@ class WalletClientImpl : public WalletClient
 
 std::unique_ptr<Wallet> MakeWallet(const std::shared_ptr<CWallet>& wallet) { return wallet ? MakeUnique<WalletImpl>(wallet) : nullptr; }
 
-std::unique_ptr<WalletClient> MakeWalletClient(Chain& chain, std::vector<std::string> wallet_filenames)
+std::unique_ptr<WalletClient> MakeWalletClient(Chain& chain, ArgsManager& args, std::vector<std::string> wallet_filenames)
 {
-    return MakeUnique<WalletClientImpl>(chain, std::move(wallet_filenames));
+    return MakeUnique<WalletClientImpl>(chain, args, std::move(wallet_filenames));
 }
 
 } // namespace interfaces
diff --git a/src/interfaces/wallet.h b/src/interfaces/wallet.h
index 45bbb3b828a0..19936e9e2399 100644
--- a/src/interfaces/wallet.h
+++ b/src/interfaces/wallet.h
@@ -450,7 +450,7 @@ std::unique_ptr<Wallet> MakeWallet(const std::shared_ptr<CWallet>& wallet);
 
 //! Return implementation of ChainClient interface for a wallet client. This
 //! function will be undefined in builds where ENABLE_WALLET is false.
-std::unique_ptr<WalletClient> MakeWalletClient(Chain& chain, std::vector<std::string> wallet_filenames);
+std::unique_ptr<WalletClient> MakeWalletClient(Chain& chain, ArgsManager& args, std::vector<std::string> wallet_filenames);
 
 } // namespace interfaces
 
diff --git a/src/llmq/snapshot.h b/src/llmq/snapshot.h
index 3c9cd5cff0b4..689ed2d1b4a8 100644
--- a/src/llmq/snapshot.h
+++ b/src/llmq/snapshot.h
@@ -178,7 +178,6 @@ class CQuorumRotationInfo
 
         size_t cnt = ReadCompactSize(s);
         for ([[maybe_unused]] const auto _ : irange::range(cnt)) {
-            uint256 hash;
             CFinalCommitment qc;
             ::Unserialize(s, qc);
             lastCommitmentPerIndex.push_back(std::move(qc));
diff --git a/src/node/context.h b/src/node/context.h
index 3cc7167b6afe..f4abfcd1868f 100644
--- a/src/node/context.h
+++ b/src/node/context.h
@@ -56,10 +56,4 @@ struct NodeContext {
     ~NodeContext();
 };
 
-inline ChainstateManager& EnsureChainman(const NodeContext& node)
-{
-    assert(node.chainman);
-    return *node.chainman;
-}
-
 #endif // BITCOIN_NODE_CONTEXT_H
diff --git a/src/optional.h b/src/optional.h
index 95a3b24d0a02..c42c74276741 100644
--- a/src/optional.h
+++ b/src/optional.h
@@ -5,22 +5,16 @@
 #ifndef BITCOIN_OPTIONAL_H
 #define BITCOIN_OPTIONAL_H
 
+#include <optional>
 #include <utility>
 
-#include <boost/optional.hpp>
-
 //! Substitute for C++17 std::optional
+//! DEPRECATED use std::optional in new code.
 template <typename T>
-using Optional = boost::optional<T>;
-
-//! Substitute for C++17 std::make_optional
-template <typename T>
-Optional<T> MakeOptional(bool condition, T&& value)
-{
-    return boost::make_optional(condition, std::forward<T>(value));
-}
+using Optional = std::optional<T>;
 
 //! Substitute for C++17 std::nullopt
-static auto& nullopt = boost::none;
+//! DEPRECATED use std::nullopt in new code.
+static auto& nullopt = std::nullopt;
 
 #endif // BITCOIN_OPTIONAL_H
diff --git a/src/psbt.cpp b/src/psbt.cpp
index 702c530c94fe..24a4fbb1b080 100644
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -3,6 +3,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <psbt.h>
+#include <util/check.h>
 #include <util/strencodings.h>
 
 bool PartiallySignedTransaction::IsNull() const
@@ -165,7 +166,8 @@ void PSBTOutput::Merge(const PSBTOutput& output)
 
 void UpdatePSBTOutput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index)
 {
-    const CTxOut& out = psbt.tx->vout.at(index);
+    CMutableTransaction& tx = *Assert(psbt.tx);
+    const CTxOut& out = tx.vout.at(index);
     PSBTOutput& psbt_out = psbt.outputs.at(index);
 
     // Fill a SignatureData with output info
@@ -175,7 +177,7 @@ void UpdatePSBTOutput(const SigningProvider& provider, PartiallySignedTransactio
     // Construct a would-be spend of this output, to update sigdata with.
     // Note that ProduceSignature is used to fill in metadata (not actual signatures),
     // so provider does not need to provide any private keys (it can be a HidingSigningProvider).
-    MutableTransactionSignatureCreator creator(psbt.tx.get_ptr(), /* index */ 0, out.nValue, SIGHASH_ALL);
+    MutableTransactionSignatureCreator creator(&tx, /* index */ 0, out.nValue, SIGHASH_ALL);
     ProduceSignature(provider, creator, out.scriptPubKey, sigdata);
 
     // Put redeem_script, key paths, into PSBTOutput.
diff --git a/src/qt/test/test_main.cpp b/src/qt/test/test_main.cpp
index 0766418bf318..a9afa16bf5d1 100644
--- a/src/qt/test/test_main.cpp
+++ b/src/qt/test/test_main.cpp
@@ -42,7 +42,7 @@ Q_IMPORT_PLUGIN(QCocoaIntegrationPlugin);
 const std::function<void(const std::string&)> G_TEST_LOG_FUN{};
 
 // This is all you need to run all the tests
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
     // Initialize persistent globals with the testing setup state for sanity.
     // E.g. -datadir in gArgs is set to a temp directory dummy value (instead
@@ -55,7 +55,6 @@ int main(int argc, char *argv[])
     }
 
     NodeContext node_context;
-    node_context.args = &::gArgs; // TODO: remove this patchfix to solve unexplained test failure
     std::unique_ptr<interfaces::Node> node = interfaces::MakeNode(&node_context);
 
     bool fInvalid = false;
@@ -74,6 +73,8 @@ int main(int argc, char *argv[])
     BitcoinApplication app(*node);
     app.setApplicationName("Dash-Qt-test");
 
+    node->setupServerArgs();            // Make gArgs available in the NodeContext
+    node->context()->args->ClearArgs(); // Clear added args again
     AppTests app_tests(app);
     if (QTest::qExec(&app_tests) != 0) {
         fInvalid = true;
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 3ddf5fae3106..c56bed66ff2f 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -85,7 +85,10 @@ CTxMemPool& EnsureMemPool(const util::Ref& context)
 ChainstateManager& EnsureChainman(const util::Ref& context)
 {
     NodeContext& node = EnsureNodeContext(context);
-    return EnsureChainman(node);
+    if (!node.chainman) {
+        throw JSONRPCError(RPC_INTERNAL_ERROR, "Node chainman not found");
+    }
+    return *node.chainman;
 }
 
 /* Calculate the difficulty for a given block index.
diff --git a/src/rpc/misc.cpp b/src/rpc/misc.cpp
index 2b7ff4c1d1b9..94a36f8aadb9 100644
--- a/src/rpc/misc.cpp
+++ b/src/rpc/misc.cpp
@@ -1075,16 +1075,14 @@ static UniValue getspentinfo(const JSONRPCRequest& request)
 
 static UniValue mockscheduler(const JSONRPCRequest& request)
 {
-    if (request.fHelp || request.params.size() != 1)
-        throw std::runtime_error(
-        RPCHelpMan{"mockscheduler",
+    RPCHelpMan{"mockscheduler",
         "\nBump the scheduler into the future (-regtest only)\n",
         {
             {"delta_time", RPCArg::Type::NUM, RPCArg::Optional::NO, "Number of seconds to forward the scheduler into the future." },
         },
         RPCResults{},
         RPCExamples{""},
-        }.ToString());
+    }.Check(request);
 
     if (!Params().IsMockableChain()) {
         throw std::runtime_error("mockscheduler is for regression testing (-regtest mode) only");
diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index f4bbbd568eee..54a459e3b43f 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -1466,13 +1466,11 @@ uint256 SignatureHash(const CScript& scriptCode, const T& txTo, unsigned int nIn
 {
     assert(nIn < txTo.vin.size());
 
-    static const uint256 one(uint256S("0000000000000000000000000000000000000000000000000000000000000001"));
-
     // Check for invalid use of SIGHASH_SINGLE
     if ((nHashType & 0x1f) == SIGHASH_SINGLE) {
         if (nIn >= txTo.vout.size()) {
             //  nOut out of range
-            return one;
+            return uint256::ONE;
         }
     }
 
diff --git a/src/test/blockfilter_index_tests.cpp b/src/test/blockfilter_index_tests.cpp
index 1a215d874ca3..5ce841754832 100644
--- a/src/test/blockfilter_index_tests.cpp
+++ b/src/test/blockfilter_index_tests.cpp
@@ -94,7 +94,7 @@ bool BuildChainTestingSetup::BuildChain(const CBlockIndex* pindex,
         CBlockHeader header = block->GetBlockHeader();
 
         CValidationState state;
-        if (!EnsureChainman(m_node).ProcessNewBlockHeaders({header}, state, Params(), &pindex, nullptr)) {
+        if (!Assert(m_node.chainman)->ProcessNewBlockHeaders({header}, state, Params(), &pindex, nullptr)) {
             return false;
         }
     }
@@ -171,7 +171,7 @@ BOOST_FIXTURE_TEST_CASE(blockfilter_index_initial_sync, BuildChainTestingSetup)
     uint256 chainA_last_header = last_header;
     for (size_t i = 0; i < 2; i++) {
         const auto& block = chainA[i];
-        BOOST_REQUIRE(EnsureChainman(m_node).ProcessNewBlock(Params(), block, true, nullptr));
+        BOOST_REQUIRE(Assert(m_node.chainman)->ProcessNewBlock(Params(), block, true, nullptr));
     }
     for (size_t i = 0; i < 2; i++) {
         const auto& block = chainA[i];
@@ -189,7 +189,7 @@ BOOST_FIXTURE_TEST_CASE(blockfilter_index_initial_sync, BuildChainTestingSetup)
     uint256 chainB_last_header = last_header;
     for (size_t i = 0; i < 3; i++) {
         const auto& block = chainB[i];
-        BOOST_REQUIRE(EnsureChainman(m_node).ProcessNewBlock(Params(), block, true, nullptr));
+        BOOST_REQUIRE(Assert(m_node.chainman)->ProcessNewBlock(Params(), block, true, nullptr));
     }
     for (size_t i = 0; i < 3; i++) {
         const auto& block = chainB[i];
@@ -220,7 +220,7 @@ BOOST_FIXTURE_TEST_CASE(blockfilter_index_initial_sync, BuildChainTestingSetup)
     // Reorg back to chain A.
      for (size_t i = 2; i < 4; i++) {
          const auto& block = chainA[i];
-         BOOST_REQUIRE(EnsureChainman(m_node).ProcessNewBlock(Params(), block, true, nullptr));
+         BOOST_REQUIRE(Assert(m_node.chainman)->ProcessNewBlock(Params(), block, true, nullptr));
      }
 
      // Check that chain A and B blocks can be retrieved.
diff --git a/src/test/bls_tests.cpp b/src/test/bls_tests.cpp
index 5b73539ed65f..cbb27a6b882d 100644
--- a/src/test/bls_tests.cpp
+++ b/src/test/bls_tests.cpp
@@ -35,8 +35,8 @@ BOOST_AUTO_TEST_CASE(bls_sig_tests)
     sk1.MakeNewKey();
     sk2.MakeNewKey();
 
-    uint256 msgHash1 = uint256S("0000000000000000000000000000000000000000000000000000000000000001");
-    uint256 msgHash2 = uint256S("0000000000000000000000000000000000000000000000000000000000000002");
+    uint256 msgHash1 = uint256::ONE;
+    uint256 msgHash2 = uint256::TWO;
 
     auto sig1 = sk1.Sign(msgHash1);
     auto sig2 = sk2.Sign(msgHash1);
@@ -61,8 +61,8 @@ BOOST_AUTO_TEST_CASE(bls_key_agg_tests)
 
     BOOST_CHECK(ag_pk == ag_sk.GetPublicKey());
 
-    uint256 msgHash1 = uint256S("0000000000000000000000000000000000000000000000000000000000000001");
-    uint256 msgHash2 = uint256S("0000000000000000000000000000000000000000000000000000000000000002");
+    uint256 msgHash1 = uint256::ONE;
+    uint256 msgHash2 = uint256::TWO;
 
     auto sig = ag_sk.Sign(msgHash1);
     BOOST_CHECK(sig.VerifyInsecure(ag_pk, msgHash1));
@@ -101,8 +101,8 @@ BOOST_AUTO_TEST_CASE(bls_key_agg_vec_tests)
     BOOST_CHECK(ag_sk.IsValid());
     BOOST_CHECK(ag_pk.IsValid());
 
-    uint256 msgHash1 = uint256S("0000000000000000000000000000000000000000000000000000000000000001");
-    uint256 msgHash2 = uint256S("0000000000000000000000000000000000000000000000000000000000000002");
+    uint256 msgHash1 = uint256::ONE;
+    uint256 msgHash2 = uint256::TWO;
 
     auto sig = ag_sk.Sign(msgHash1);
     BOOST_CHECK(sig.VerifyInsecure(ag_pk, msgHash1));
diff --git a/src/test/evo_deterministicmns_tests.cpp b/src/test/evo_deterministicmns_tests.cpp
index e39dce232b35..ba9b67ce8102 100644
--- a/src/test/evo_deterministicmns_tests.cpp
+++ b/src/test/evo_deterministicmns_tests.cpp
@@ -245,7 +245,7 @@ BOOST_FIXTURE_TEST_CASE(dip3_activation, TestChainDIP3BeforeActivationSetup)
 
     // We start one block before DIP3 activation, so mining a block with a DIP3 transaction should fail
     auto block = std::make_shared<CBlock>(CreateBlock(txns, coinbaseKey));
-    EnsureChainman(m_node).ProcessNewBlock(Params(), block, true, nullptr);
+    Assert(m_node.chainman)->ProcessNewBlock(Params(), block, true, nullptr);
     BOOST_CHECK_EQUAL(::ChainActive().Height(), nHeight);
     BOOST_ASSERT(block->GetHash() != ::ChainActive().Tip()->GetBlockHash());
     BOOST_ASSERT(!deterministicMNManager->GetListAtChainTip().HasMN(tx.GetHash()));
@@ -255,7 +255,7 @@ BOOST_FIXTURE_TEST_CASE(dip3_activation, TestChainDIP3BeforeActivationSetup)
     BOOST_CHECK_EQUAL(::ChainActive().Height(), nHeight + 1);
     // Mining a block with a DIP3 transaction should succeed now
     block = std::make_shared<CBlock>(CreateBlock(txns, coinbaseKey));
-    BOOST_ASSERT(EnsureChainman(m_node).ProcessNewBlock(Params(), block, true, nullptr));
+    BOOST_ASSERT(Assert(m_node.chainman)->ProcessNewBlock(Params(), block, true, nullptr));
     deterministicMNManager->UpdatedBlockTip(::ChainActive().Tip());
     BOOST_CHECK_EQUAL(::ChainActive().Height(), nHeight + 2);
     BOOST_CHECK_EQUAL(block->GetHash(), ::ChainActive().Tip()->GetBlockHash());
@@ -470,7 +470,7 @@ BOOST_FIXTURE_TEST_CASE(dip3_test_mempool_reorg, TestChainDIP3Setup)
     SignTransaction(*m_node.mempool, tx_collateral, coinbaseKey);
 
     auto block = std::make_shared<CBlock>(CreateBlock({tx_collateral}, coinbaseKey));
-    BOOST_ASSERT(EnsureChainman(m_node).ProcessNewBlock(Params(), block, true, nullptr));
+    BOOST_ASSERT(Assert(m_node.chainman)->ProcessNewBlock(Params(), block, true, nullptr));
     deterministicMNManager->UpdatedBlockTip(::ChainActive().Tip());
     BOOST_CHECK_EQUAL(::ChainActive().Height(), nHeight + 1);
     BOOST_CHECK_EQUAL(block->GetHash(), ::ChainActive().Tip()->GetBlockHash());
@@ -600,7 +600,7 @@ BOOST_FIXTURE_TEST_CASE(dip3_verify_db, TestChainDIP3Setup)
     SignTransaction(*m_node.mempool, tx_collateral, coinbaseKey);
 
     auto block = std::make_shared<CBlock>(CreateBlock({tx_collateral}, coinbaseKey));
-    BOOST_ASSERT(EnsureChainman(m_node).ProcessNewBlock(Params(), block, true, nullptr));
+    BOOST_ASSERT(Assert(m_node.chainman)->ProcessNewBlock(Params(), block, true, nullptr));
     deterministicMNManager->UpdatedBlockTip(::ChainActive().Tip());
     BOOST_CHECK_EQUAL(::ChainActive().Height(), nHeight + 1);
     BOOST_CHECK_EQUAL(block->GetHash(), ::ChainActive().Tip()->GetBlockHash());
@@ -631,7 +631,7 @@ BOOST_FIXTURE_TEST_CASE(dip3_verify_db, TestChainDIP3Setup)
     auto tx_reg_hash = tx_reg.GetHash();
 
     block = std::make_shared<CBlock>(CreateBlock({tx_reg}, coinbaseKey));
-    BOOST_ASSERT(EnsureChainman(m_node).ProcessNewBlock(Params(), block, true, nullptr));
+    BOOST_ASSERT(Assert(m_node.chainman)->ProcessNewBlock(Params(), block, true, nullptr));
     deterministicMNManager->UpdatedBlockTip(::ChainActive().Tip());
     BOOST_CHECK_EQUAL(::ChainActive().Height(), nHeight + 2);
     BOOST_CHECK_EQUAL(block->GetHash(), ::ChainActive().Tip()->GetBlockHash());
@@ -643,7 +643,7 @@ BOOST_FIXTURE_TEST_CASE(dip3_verify_db, TestChainDIP3Setup)
     auto proUpRevTx = CreateProUpRevTx(*m_node.mempool, collateral_utxos, tx_reg_hash, operatorKey, collateralKey);
 
     block = std::make_shared<CBlock>(CreateBlock({proUpRevTx}, coinbaseKey));
-    BOOST_ASSERT(EnsureChainman(m_node).ProcessNewBlock(Params(), block, true, nullptr));
+    BOOST_ASSERT(Assert(m_node.chainman)->ProcessNewBlock(Params(), block, true, nullptr));
     deterministicMNManager->UpdatedBlockTip(::ChainActive().Tip());
     BOOST_CHECK_EQUAL(::ChainActive().Height(), nHeight + 3);
     BOOST_CHECK_EQUAL(block->GetHash(), ::ChainActive().Tip()->GetBlockHash());
diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp
index adcd82385f02..d2531c4ff017 100644
--- a/src/test/miner_tests.cpp
+++ b/src/test/miner_tests.cpp
@@ -251,7 +251,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
             }
         }
         std::shared_ptr<const CBlock> shared_pblock = std::make_shared<const CBlock>(*pblock);
-        BOOST_CHECK(EnsureChainman(m_node).ProcessNewBlock(chainparams, shared_pblock, true, nullptr));
+        BOOST_CHECK(Assert(m_node.chainman)->ProcessNewBlock(chainparams, shared_pblock, true, nullptr));
         pblock->hashPrevBlock = pblock->GetHash();
     };
 
diff --git a/src/test/sighash_tests.cpp b/src/test/sighash_tests.cpp
index 5a08edf839bd..9b929f1b8c11 100644
--- a/src/test/sighash_tests.cpp
+++ b/src/test/sighash_tests.cpp
@@ -23,10 +23,9 @@ extern UniValue read_json(const std::string& jsondata);
 // Old script.cpp SignatureHash function
 uint256 static SignatureHashOld(CScript scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType)
 {
-    static const uint256 one(uint256S("0000000000000000000000000000000000000000000000000000000000000001"));
     if (nIn >= txTo.vin.size())
     {
-        return one;
+        return uint256::ONE;
     }
     CMutableTransaction txTmp(txTo);
 
@@ -56,7 +55,7 @@ uint256 static SignatureHashOld(CScript scriptCode, const CTransaction& txTo, un
         unsigned int nOut = nIn;
         if (nOut >= txTmp.vout.size())
         {
-            return one;
+            return uint256::ONE;
         }
         txTmp.vout.resize(nOut+1);
         for (unsigned int i = 0; i < nOut; i++)
diff --git a/src/test/uint256_tests.cpp b/src/test/uint256_tests.cpp
index 52a9f906fb53..5ea5ef04b76a 100644
--- a/src/test/uint256_tests.cpp
+++ b/src/test/uint256_tests.cpp
@@ -277,4 +277,10 @@ BOOST_AUTO_TEST_CASE( operator_with_self )
     BOOST_CHECK(v == UintToArith256(uint256S("0")));
 }
 
+BOOST_AUTO_TEST_CASE( check_ONE )
+{
+    uint256 one = uint256S("0000000000000000000000000000000000000000000000000000000000000001");
+    BOOST_CHECK_EQUAL(one, uint256::ONE);
+}
+
 BOOST_AUTO_TEST_SUITE_END()
diff --git a/src/test/util.cpp b/src/test/util.cpp
index d577717a797c..83d2ec7f3c5d 100644
--- a/src/test/util.cpp
+++ b/src/test/util.cpp
@@ -12,6 +12,7 @@
 #include <pow.h>
 #include <script/standard.h>
 #include <validation.h>
+#include <util/check.h>
 #ifdef ENABLE_WALLET
 #include <wallet/wallet.h>
 #endif
@@ -62,7 +63,7 @@ CTxIn MineBlock(const NodeContext& node, const CScript& coinbase_scriptPubKey)
         assert(block->nNonce);
     }
 
-    bool processed{EnsureChainman(node).ProcessNewBlock(Params(), block, true, nullptr)};
+    bool processed{Assert(node.chainman)->ProcessNewBlock(Params(), block, true, nullptr)};
     assert(processed);
 
     return CTxIn{block->vtx[0]->GetHash(), 0};
diff --git a/src/test/util/setup_common.cpp b/src/test/util/setup_common.cpp
index cf82f0ec0122..08836642612b 100644
--- a/src/test/util/setup_common.cpp
+++ b/src/test/util/setup_common.cpp
@@ -248,7 +248,7 @@ CBlock TestChainSetup::CreateAndProcessBlock(const std::vector<CMutableTransacti
     auto block = CreateBlock(txns, scriptPubKey);
 
     std::shared_ptr<const CBlock> shared_pblock = std::make_shared<const CBlock>(block);
-    EnsureChainman(m_node).ProcessNewBlock(chainparams, shared_pblock, true, nullptr);
+    Assert(m_node.chainman)->ProcessNewBlock(chainparams, shared_pblock, true, nullptr);
 
     CBlock result = block;
     return result;
diff --git a/src/test/validation_block_tests.cpp b/src/test/validation_block_tests.cpp
index e4892f563cdc..469a31a7f7ca 100644
--- a/src/test/validation_block_tests.cpp
+++ b/src/test/validation_block_tests.cpp
@@ -160,10 +160,10 @@ BOOST_AUTO_TEST_CASE(processnewblock_signals_ordering)
     std::transform(blocks.begin(), blocks.end(), std::back_inserter(headers), [](std::shared_ptr<const CBlock> b) { return b->GetBlockHeader(); });
 
     // Process all the headers so we understand the toplogy of the chain
-    BOOST_CHECK(EnsureChainman(m_node).ProcessNewBlockHeaders(headers, state, Params()));
+    BOOST_CHECK(Assert(m_node.chainman)->ProcessNewBlockHeaders(headers, state, Params()));
 
     // Connect the genesis block and drain any outstanding events
-    BOOST_CHECK(EnsureChainman(m_node).ProcessNewBlock(Params(), std::make_shared<CBlock>(Params().GenesisBlock()), true, &ignored));
+    BOOST_CHECK(Assert(m_node.chainman)->ProcessNewBlock(Params(), std::make_shared<CBlock>(Params().GenesisBlock()), true, &ignored));
     SyncWithValidationInterfaceQueue();
 
     // subscribe to events (this subscriber will validate event ordering)
@@ -185,13 +185,13 @@ BOOST_AUTO_TEST_CASE(processnewblock_signals_ordering)
             FastRandomContext insecure;
             for (int i = 0; i < 1000; i++) {
                 auto block = blocks[insecure.randrange(blocks.size() - 1)];
-                EnsureChainman(m_node).ProcessNewBlock(Params(), block, true, &ignored);
+                Assert(m_node.chainman)->ProcessNewBlock(Params(), block, true, &ignored);
             }
 
             // to make sure that eventually we process the full chain - do it here
             for (auto block : blocks) {
                 if (block->vtx.size() == 1) {
-                    bool processed = EnsureChainman(m_node).ProcessNewBlock(Params(), block, true, &ignored);
+                    bool processed = Assert(m_node.chainman)->ProcessNewBlock(Params(), block, true, &ignored);
                     assert(processed);
                 }
             }
@@ -232,7 +232,7 @@ BOOST_AUTO_TEST_CASE(mempool_locks_reorg)
 {
     bool ignored;
     auto ProcessBlock = [&](std::shared_ptr<const CBlock> block) -> bool {
-        return EnsureChainman(m_node).ProcessNewBlock(Params(), block, /* fForceProcessing */ true, /* fNewBlock */ &ignored);
+        return Assert(m_node.chainman)->ProcessNewBlock(Params(), block, /* fForceProcessing */ true, /* fNewBlock */ &ignored);
     };
 
     // Process all mined blocks
diff --git a/src/uint256.cpp b/src/uint256.cpp
index 13bbfb63d22c..696a7081dd8d 100644
--- a/src/uint256.cpp
+++ b/src/uint256.cpp
@@ -80,3 +80,6 @@ template std::string base_blob<256>::GetHex() const;
 template std::string base_blob<256>::ToString() const;
 template void base_blob<256>::SetHex(const char*);
 template void base_blob<256>::SetHex(const std::string&);
+
+const uint256 uint256::ONE(1);
+const uint256 uint256::TWO(2);
diff --git a/src/uint256.h b/src/uint256.h
index 7767c3f2a8f0..f8c99afbd674 100644
--- a/src/uint256.h
+++ b/src/uint256.h
@@ -21,10 +21,11 @@ class base_blob
     static constexpr int WIDTH = BITS / 8;
     uint8_t m_data[WIDTH];
 public:
-    base_blob()
-    {
-        memset(m_data, 0, sizeof(m_data));
-    }
+    /* construct 0 value by default */
+    constexpr base_blob() : m_data() {}
+
+    /* constructor for constants between 1 and 255 */
+    constexpr explicit base_blob(uint8_t v) : m_data{v} {}
 
     explicit base_blob(const std::vector<unsigned char>& vch);
 
@@ -112,7 +113,7 @@ class base_blob
  */
 class uint160 : public base_blob<160> {
 public:
-    uint160() {}
+    constexpr uint160() {}
     explicit uint160(const std::vector<unsigned char>& vch) : base_blob<160>(vch) {}
 };
 
@@ -123,8 +124,11 @@ class uint160 : public base_blob<160> {
  */
 class uint256 : public base_blob<256> {
 public:
-    uint256() {}
+    constexpr uint256() {}
+    constexpr explicit uint256(uint8_t v) : base_blob<256>(v) {}
     explicit uint256(const std::vector<unsigned char>& vch) : base_blob<256>(vch) {}
+    static const uint256 ONE;
+    static const uint256 TWO;
 };
 
 /* uint256 from const char *.
diff --git a/src/wallet/context.h b/src/wallet/context.h
index 3c8fdd1c59e9..a83591154f0c 100644
--- a/src/wallet/context.h
+++ b/src/wallet/context.h
@@ -5,6 +5,7 @@
 #ifndef BITCOIN_WALLET_CONTEXT_H
 #define BITCOIN_WALLET_CONTEXT_H
 
+class ArgsManager;
 namespace interfaces {
 class Chain;
 } // namespace interfaces
@@ -21,6 +22,7 @@ class Chain;
 //! behavior.
 struct WalletContext {
     interfaces::Chain* chain{nullptr};
+    ArgsManager* args{nullptr};
 
     //! Declare default constructor and destructor that are not inline, so code
     //! instantiating the WalletContext struct doesn't need to #include class
diff --git a/src/wallet/init.cpp b/src/wallet/init.cpp
index 783bf9af834b..d8bde945c26c 100644
--- a/src/wallet/init.cpp
+++ b/src/wallet/init.cpp
@@ -10,6 +10,7 @@
 #include <net.h>
 #include <node/context.h>
 #include <univalue.h>
+#include <util/check.h>
 #include <util/error.h>
 #include <util/system.h>
 #include <util/moneystr.h>
@@ -21,9 +22,9 @@
 #include <coinjoin/client.h>
 #include <coinjoin/options.h>
 
-class WalletInit : public WalletInitInterface {
+class WalletInit : public WalletInitInterface
+{
 public:
-
     //! Was the wallet component compiled in.
     bool HasWalletSupport() const override {return true;}
 
@@ -160,20 +161,21 @@ bool WalletInit::ParameterInteraction() const
 
 void WalletInit::Construct(NodeContext& node) const
 {
-    if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) {
+    ArgsManager& args = *Assert(node.args);
+    if (args.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) {
         LogPrintf("Wallet disabled!\n");
         return;
     }
     // If there's no -wallet setting with a list of wallets to load, set it to
     // load the default "" wallet.
-    if (!gArgs.IsArgSet("wallet")) {
-        gArgs.LockSettings([&](util::Settings& settings) {
+    if (!args.IsArgSet("wallet")) {
+        args.LockSettings([&](util::Settings& settings) {
             util::SettingsValue wallets(util::SettingsValue::VARR);
             wallets.push_back(""); // Default wallet name is ""
             settings.rw_settings["wallet"] = wallets;
         });
     }
-    auto wallet_client = interfaces::MakeWalletClient(*node.chain, gArgs.GetArgs("-wallet"));
+    auto wallet_client = interfaces::MakeWalletClient(*node.chain, args, args.GetArgs("-wallet"));
     node.wallet_client = wallet_client.get();
     node.chain_clients.emplace_back(std::move(wallet_client));
 }
diff --git a/src/wallet/load.cpp b/src/wallet/load.cpp
index dc45e0a3479e..dcabdb2900d9 100644
--- a/src/wallet/load.cpp
+++ b/src/wallet/load.cpp
@@ -88,14 +88,14 @@ bool LoadWallets(interfaces::Chain& chain, const std::vector<std::string>& walle
     }
 }
 
-void StartWallets(CScheduler& scheduler)
+void StartWallets(CScheduler& scheduler, const ArgsManager& args)
 {
     for (const std::shared_ptr<CWallet>& pwallet : GetWallets()) {
         pwallet->postInitProcess();
     }
 
     // Schedule periodic wallet flushes and tx rebroadcasts
-    if (gArgs.GetBoolArg("-flushwallet", DEFAULT_FLUSHWALLET)) {
+    if (args.GetBoolArg("-flushwallet", DEFAULT_FLUSHWALLET)) {
         scheduler.scheduleEvery(MaybeCompactWalletDB, 500);
     }
     scheduler.scheduleEvery(MaybeResendWalletTxs, 1000);
diff --git a/src/wallet/load.h b/src/wallet/load.h
index ddab317ce6a1..5d9dfd03d0fd 100644
--- a/src/wallet/load.h
+++ b/src/wallet/load.h
@@ -9,6 +9,7 @@
 #include <string>
 #include <vector>
 
+class ArgsManager;
 class CConnman;
 class CScheduler;
 
@@ -23,7 +24,7 @@ bool VerifyWallets(interfaces::Chain& chain, const std::vector<std::string>& wal
 bool LoadWallets(interfaces::Chain& chain, const std::vector<std::string>& wallet_files);
 
 //! Complete startup of wallets.
-void StartWallets(CScheduler& scheduler);
+void StartWallets(CScheduler& scheduler, const ArgsManager& args);
 
 //! Flush all wallets in preparation for shutdown.
 void FlushWallets();
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index 57774b7cd09b..403de4518ea3 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -948,7 +948,7 @@ UniValue dumpwallet(const JSONRPCRequest& request)
     file << strprintf("# Wallet dump created by Dash Core %s\n", CLIENT_BUILD);
     file << strprintf("# * Created on %s\n", FormatISO8601DateTime(GetTime()));
     const Optional<int> tip_height = pwallet->chain().getHeight();
-    file << strprintf("# * Best block at time of backup was %i (%s),\n", tip_height.get_value_or(-1), tip_height ? pwallet->chain().getBlockHash(*tip_height).ToString() : "(missing block hash)");
+    file << strprintf("# * Best block at time of backup was %i (%s),\n", tip_height.value_or(-1), tip_height ? pwallet->chain().getBlockHash(*tip_height).ToString() : "(missing block hash)");
     file << strprintf("#   mined on %s\n", tip_height ? FormatISO8601DateTime(pwallet->chain().getBlockTime(*tip_height)) : "(missing block time)");
     file << "\n";
 
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index e66831f5d786..f039205546a3 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -1562,8 +1562,7 @@ static UniValue listsinceblock(const JSONRPCRequest& request)
 
     LOCK(pwallet->cs_wallet);
 
-    // The way the 'height' is initialized is just a workaround for the gcc bug #47679 since version 4.6.0.
-    Optional<int> height = MakeOptional(false, int()); // Height of the specified block or the common ancestor, if the block provided was in a deactivated chain.
+    Optional<int> height;    // Height of the specified block or the common ancestor, if the block provided was in a deactivated chain.
     Optional<int> altheight; // Height of the specified block, even if it's in a deactivated chain.
     int target_confirms = 1;
     isminefilter filter = ISMINE_SPENDABLE;
diff --git a/src/wallet/test/init_test_fixture.cpp b/src/wallet/test/init_test_fixture.cpp
index fd884089b9d9..704ba7371c65 100644
--- a/src/wallet/test/init_test_fixture.cpp
+++ b/src/wallet/test/init_test_fixture.cpp
@@ -3,13 +3,14 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <fs.h>
+#include <util/check.h>
 #include <util/system.h>
 
 #include <wallet/test/init_test_fixture.h>
 
-InitWalletDirTestingSetup::InitWalletDirTestingSetup(const std::string& chainName): BasicTestingSetup(chainName)
+InitWalletDirTestingSetup::InitWalletDirTestingSetup(const std::string& chainName) : BasicTestingSetup(chainName)
 {
-    m_wallet_client = MakeWalletClient(*m_chain, {});
+    m_wallet_client = MakeWalletClient(*m_chain, *Assert(m_node.args), {});
 
     std::string sep;
     sep += fs::path::preferred_separator;
diff --git a/src/wallet/test/wallet_test_fixture.h b/src/wallet/test/wallet_test_fixture.h
index c11e022c7171..0faeee4b4aca 100644
--- a/src/wallet/test/wallet_test_fixture.h
+++ b/src/wallet/test/wallet_test_fixture.h
@@ -10,17 +10,18 @@
 #include <interfaces/chain.h>
 #include <interfaces/wallet.h>
 #include <node/context.h>
+#include <util/check.h>
 #include <wallet/wallet.h>
 
 #include <memory>
 
 /** Testing setup and teardown for wallet.
  */
-struct WalletTestingSetup: public TestingSetup {
+struct WalletTestingSetup : public TestingSetup {
     explicit WalletTestingSetup(const std::string& chainName = CBaseChainParams::MAIN);
 
     std::unique_ptr<interfaces::Chain> m_chain = interfaces::MakeChain(m_node);
-    std::unique_ptr<interfaces::WalletClient> m_wallet_client = interfaces::MakeWalletClient(*m_chain, {});
+    std::unique_ptr<interfaces::WalletClient> m_wallet_client = interfaces::MakeWalletClient(*m_chain, *Assert(m_node.args), {});
     CWallet m_wallet;
     std::unique_ptr<interfaces::Handler> m_chain_notifications_handler;
 };
diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp
index 615c3372533b..a140d507e4d6 100644
--- a/src/wallet/test/wallet_tests.cpp
+++ b/src/wallet/test/wallet_tests.cpp
@@ -88,7 +88,7 @@ BOOST_FIXTURE_TEST_CASE(scan_for_wallet_transactions, TestChain100Setup)
     // Prune the older block file.
     {
         LOCK(cs_main);
-        EnsureChainman(m_node).PruneOneBlockFile(oldTip->GetBlockPos().nFile);
+        Assert(m_node.chainman)->PruneOneBlockFile(oldTip->GetBlockPos().nFile);
     }
     UnlinkPrunedFiles({oldTip->GetBlockPos().nFile});
 
@@ -114,7 +114,7 @@ BOOST_FIXTURE_TEST_CASE(scan_for_wallet_transactions, TestChain100Setup)
     // Prune the remaining block file.
     {
         LOCK(cs_main);
-        EnsureChainman(m_node).PruneOneBlockFile(newTip->GetBlockPos().nFile);
+        Assert(m_node.chainman)->PruneOneBlockFile(newTip->GetBlockPos().nFile);
     }
     UnlinkPrunedFiles({newTip->GetBlockPos().nFile});
 
@@ -151,7 +151,7 @@ BOOST_FIXTURE_TEST_CASE(importmulti_rescan, TestChain100Setup)
     // Prune the older block file.
     {
         LOCK(cs_main);
-        EnsureChainman(m_node).PruneOneBlockFile(oldTip->GetBlockPos().nFile);
+        Assert(m_node.chainman)->PruneOneBlockFile(oldTip->GetBlockPos().nFile);
     }
     UnlinkPrunedFiles({oldTip->GetBlockPos().nFile});
 
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index d390b97bfb6a..9db95c45fb07 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -97,9 +97,9 @@ static void UpdateWalletSetting(interfaces::Chain& chain,
                                 std::vector<bilingual_str>& warnings)
 {
     if (load_on_startup == nullopt) return;
-    if (load_on_startup.get() && !AddWalletSetting(chain, wallet_name)) {
+    if (load_on_startup.value() && !AddWalletSetting(chain, wallet_name)) {
         warnings.emplace_back(Untranslated("Wallet load on startup setting could not be updated, so wallet may not be loaded next node startup."));
-    } else if (!load_on_startup.get() && !RemoveWalletSetting(chain, wallet_name)) {
+    } else if (!load_on_startup.value() && !RemoveWalletSetting(chain, wallet_name)) {
         warnings.emplace_back(Untranslated("Wallet load on startup setting could not be updated, so wallet may still be loaded next node startup."));
     }
 }
@@ -327,8 +327,6 @@ WalletCreationStatus CreateWallet(interfaces::Chain& chain, const SecureString&
     return WalletCreationStatus::SUCCESS;
 }
 
-const uint256 CWalletTx::ABANDON_HASH(uint256S("0000000000000000000000000000000000000000000000000000000000000001"));
-
 /** @defgroup mapWallet
  *
  * @{
@@ -2516,7 +2514,7 @@ CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_bloc
     ShowProgress(strprintf("%s " + _("Rescanning...").translated, GetDisplayName()), 0); // show rescan progress in GUI as dialog or on splashscreen, if -rescan on startup
     uint256 tip_hash;
     // The way the 'block_height' is initialized is just a workaround for the gcc bug #47679 since version 4.6.0.
-    Optional<int> block_height = MakeOptional(false, int());
+    Optional<int> block_height;
     double progress_begin;
     double progress_end;
     {
@@ -3560,7 +3558,7 @@ static bool IsCurrentForAntiFeeSniping(interfaces::Chain& chain)
         return false;
     }
     constexpr int64_t MAX_ANTI_FEE_SNIPING_TIP_AGE = 8 * 60 * 60; // in seconds
-    if (chain.getBlockTime(chain.getHeight().get_value_or(-1)) < (GetTime() - MAX_ANTI_FEE_SNIPING_TIP_AGE)) {
+    if (chain.getBlockTime(chain.getHeight().value_or(-1)) < (GetTime() - MAX_ANTI_FEE_SNIPING_TIP_AGE)) {
         return false;
     }
     return true;
@@ -3594,7 +3592,7 @@ static uint32_t GetLocktimeForNewTransaction(interfaces::Chain& chain)
     // now we ensure code won't be written that makes assumptions about
     // nLockTime that preclude a fix later.
     if (IsCurrentForAntiFeeSniping(chain)) {
-        locktime = chain.getHeight().get_value_or(-1);
+        locktime = chain.getHeight().value_or(-1);
 
         // Secondly occasionally randomly pick a nLockTime even further back, so
         // that transactions that are delayed after signing for whatever reason,
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index fc6d870539f2..ab9e94292165 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -392,7 +392,7 @@ class CWalletTx
     /** Constant used in hashBlock to indicate tx has been abandoned, only used at
      * serialization/deserialization to avoid ambiguity with conflicted.
      */
-    static const uint256 ABANDON_HASH;
+    static constexpr const uint256& ABANDON_HASH = uint256::ONE;
 
     mutable bool fIsChainlocked{false};
     mutable bool fIsInstantSendLocked{false};
diff --git a/test/functional/wallet_dump.py b/test/functional/wallet_dump.py
index e2dda3e03979..558c36100248 100755
--- a/test/functional/wallet_dump.py
+++ b/test/functional/wallet_dump.py
@@ -86,6 +86,7 @@ def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()
 
     def setup_network(self):
+        self.disable_mocktime()
         self.add_nodes(self.num_nodes, extra_args=self.extra_args)
         self.start_nodes()
 
@@ -152,5 +153,10 @@ def run_test(self):
         result = self.nodes[0].getaddressinfo(multisig_addr)
         assert result['ismine'] == True
 
+        self.log.info('Check that wallet is flushed')
+        with self.nodes[0].assert_debug_log(['Flushing wallet.dat'], timeout=20):
+            self.nodes[0].getnewaddress()
+
+
 if __name__ == '__main__':
     WalletDumpTest().main()
diff --git a/test/lint/lint-includes.sh b/test/lint/lint-includes.sh
index 74b4f9bdfd92..5f47a7914a49 100755
--- a/test/lint/lint-includes.sh
+++ b/test/lint/lint-includes.sh
@@ -62,7 +62,6 @@ EXPECTED_BOOST_INCLUDES=(
     boost/multi_index/ordered_index.hpp
     boost/multi_index/sequenced_index.hpp
     boost/multi_index_container.hpp
-    boost/optional.hpp
     boost/pool/pool_alloc.hpp
     boost/preprocessor/cat.hpp
     boost/preprocessor/stringize.hpp