Posts made by Trancendence

Oky Dokey, feel free to have a poke at these guys:

• Docker Image
• Docker Image Github Repository under alpine/Dockerfile

docker run matthewhartstonge/ftc-core:alpine-v0.17.0.1a

Came down to pullable image size of 9MBs! (19.6MBs uncompressed).

Hi and welcome back! :D

Well, that produced a much cleaner compile, but still blows out at the exact same point… :cry:

I’ll push what I’ve managed to get to into a Dockerfile to Github over the coming days. :ok_hand:

Oh! Totally didn’t know about the depends folder!!

I’m currently trying to do a build from the depends sources and see if everything comes up happy. In my head it makes a lot more sense to use the exact required deps! I was using some devel packages from alpine which hopefully was throwing it off…

Will update with progress…

So far I’ve had to add a monkey patch to force OpenSSL to use TERMIOS instead of TERMIO.
Currently building… fingers and toes crossed XD

And here’s my make log:

Making all in src
make[1]: Entering directory '/repos/Feathercoin/src'
make[2]: Entering directory '/repos/Feathercoin/src'
make[3]: Entering directory '/repos/Feathercoin'
make[3]: Leaving directory '/repos/Feathercoin'
  CXX      libbitcoin_server_a-shutdown.o
  CXX      libbitcoin_server_a-timedata.o
  CXX      libbitcoin_server_a-torcontrol.o
  CXX      libbitcoin_server_a-txdb.o
  CXX      libbitcoin_server_a-txmempool.o
  CXX      libbitcoin_server_a-ui_interface.o
  CXX      libbitcoin_server_a-validation.o
  CXX      libbitcoin_server_a-validationinterface.o
  CXX      libbitcoin_server_a-versionbits.o
  CXX      interfaces/libbitcoin_wallet_a-wallet.o
  CXX      wallet/libbitcoin_wallet_a-coincontrol.o
  CXX      wallet/libbitcoin_wallet_a-crypter.o
  CXX      wallet/libbitcoin_wallet_a-db.o
  CXX      wallet/libbitcoin_wallet_a-feebumper.o
  CXX      wallet/libbitcoin_wallet_a-fees.o
  CXX      wallet/libbitcoin_wallet_a-init.o
  CXX      wallet/libbitcoin_wallet_a-rpcdump.o
  CXX      wallet/libbitcoin_wallet_a-rpcwallet.o
  CXX      wallet/libbitcoin_wallet_a-wallet.o
  CXX      wallet/libbitcoin_wallet_a-walletdb.o
  CXX      wallet/libbitcoin_wallet_a-walletutil.o
  CXX      wallet/libbitcoin_wallet_a-coinselection.o
  CXX      libbitcoin_common_a-base58.o
  CXX      libbitcoin_common_a-bech32.o
  CXX      libbitcoin_common_a-chainparams.o
In file included from ./script/script.h:10,
                 from ./primitives/transaction.h:11,
                 from ./primitives/block.h:9,
                 from ./chainparams.h:11,
                 from chainparams.cpp:6:
./prevector.h: In function 'CBlock CreateGenesisBlock(uint32_t, uint32_t, uint32_t, int32_t, const CAmount&)':
./prevector.h:162:79: warning: 'genesisOutputScript.prevector<28, unsigned char>::_union.prevector<28, unsigned char>::direct_or_indirect::<anonymous>.prevector<28, unsigned char>::direct_or_indirect::<unnamed struct>::indirect' may be used uninitialized in this function [-Wmaybe-uninitialized]
     T* indirect_ptr(difference_type pos) { return reinterpret_cast<T*>(_union.indirect) + pos; }
                                                                        ~~~~~~~^~~~~~~~
./prevector.h:181:69: warning: 'genesisOutputScript.prevector<28, unsigned char>::_union.prevector<28, unsigned char>::direct_or_indirect::<anonymous>.prevector<28, unsigned char>::direct_or_indirect::<unnamed struct>::indirect' may be used uninitialized in this function [-Wmaybe-uninitialized]
                 _union.indirect = static_cast<char*>(realloc(_union.indirect, ((size_t)sizeof(T)) * new_capacity));
                                                              ~~~~~~~^~~~~~~~
  CXX      libbitcoin_common_a-coins.o
  CXX      libbitcoin_common_a-compressor.o
In file included from ./script/script.h:10,
                 from ./primitives/transaction.h:11,
                 from ./coins.h:9,
                 from coins.cpp:5:
./prevector.h: In function 'void AddCoins(CCoinsViewCache&, const CTransaction&, int, bool)':
./prevector.h:162:79: warning: '*((void*)(&<anonymous>)+8).prevector<28, unsigned char>::_union.prevector<28, unsigned char>::direct_or_indirect::<anonymous>.prevector<28, unsigned char>::direct_or_indirect::<unnamed struct>::indirect' may be used uninitialized in this function [-Wmaybe-uninitialized]
     T* indirect_ptr(difference_type pos) { return reinterpret_cast<T*>(_union.indirect) + pos; }
                                                                        ~~~~~~~^~~~~~~~
./prevector.h:181:69: warning: '*((void*)(&<anonymous>)+8).prevector<28, unsigned char>::_union.prevector<28, unsigned char>::direct_or_indirect::<anonymous>.prevector<28, unsigned char>::direct_or_indirect::<unnamed struct>::indirect' may be used uninitialized in this function [-Wmaybe-uninitialized]
                 _union.indirect = static_cast<char*>(realloc(_union.indirect, ((size_t)sizeof(T)) * new_capacity));
                                                              ~~~~~~~^~~~~~~~
  CXX      libbitcoin_common_a-core_read.o
  CXX      libbitcoin_common_a-core_write.o
  CXX      libbitcoin_common_a-key.o
  CXX      libbitcoin_common_a-key_io.o
  CXX      libbitcoin_common_a-keystore.o
  CXX      libbitcoin_common_a-netaddress.o
  CXX      libbitcoin_common_a-netbase.o
  CXX      policy/libbitcoin_common_a-feerate.o
  CXX      libbitcoin_common_a-protocol.o
  CXX      libbitcoin_common_a-scheduler.o
  CXX      script/libbitcoin_common_a-descriptor.o
  CXX      script/libbitcoin_common_a-ismine.o
  CXX      script/libbitcoin_common_a-sign.o
  CXX      script/libbitcoin_common_a-standard.o
  CXX      libbitcoin_common_a-warnings.o
make[3]: Entering directory '/repos/Feathercoin/src/univalue'
  CXX      lib/libunivalue_la-univalue.lo
  CXX      support/libbitcoin_util_a-lockedpool.o
  CXX      libbitcoin_util_a-chainparamsbase.o
  CXX      lib/libunivalue_la-univalue_get.lo
  CXX      lib/libunivalue_la-univalue_read.lo
  CXX      compat/libbitcoin_util_a-glibc_sanity.o
  CXX      compat/libbitcoin_util_a-glibcxx_sanity.o
  CXX      compat/libbitcoin_util_a-strnlen.o
  CXX      libbitcoin_util_a-fs.o
  CXX      interfaces/libbitcoin_util_a-handler.o
  CXX      interfaces/libbitcoin_util_a-node.o
  CXX      libbitcoin_util_a-logging.o
  CXX      libbitcoin_util_a-random.o
  CXX      rpc/libbitcoin_util_a-protocol.o
  CXX      support/libbitcoin_util_a-cleanse.o
  CXX      libbitcoin_util_a-sync.o
  CXX      libbitcoin_util_a-threadinterrupt.o
  CXX      libbitcoin_util_a-util.o
  CXX      libbitcoin_util_a-utilmoneystr.o
  CXX      libbitcoin_util_a-utilstrencodings.o
  CXX      libbitcoin_util_a-utiltime.o
  CXX      zmq/libbitcoin_zmq_a-zmqabstractnotifier.o
util.cpp: In function 'int ScheduleBatchPriority()':
util.cpp:1248:37: warning: missing initializer for member 'sched_param::sched_ss_low_priority' [-Wmissing-field-initializers]
     const static sched_param param{0};
                                     ^
util.cpp:1248:37: warning: missing initializer for member 'sched_param::sched_ss_repl_period' [-Wmissing-field-initializers]
util.cpp:1248:37: warning: missing initializer for member 'sched_param::sched_ss_init_budget' [-Wmissing-field-initializers]
util.cpp:1248:37: warning: missing initializer for member 'sched_param::sched_ss_max_repl' [-Wmissing-field-initializers]
  CXX      zmq/libbitcoin_zmq_a-zmqnotificationinterface.o
  CXX      zmq/libbitcoin_zmq_a-zmqpublishnotifier.o
  CXX      zmq/libbitcoin_zmq_a-zmqrpc.o
  CXX      libbitcoin_consensus_a-arith_uint256.o
  CXX      consensus/libbitcoin_consensus_a-merkle.o
  CXX      libbitcoin_consensus_a-hash.o
  CXX      primitives/libbitcoin_consensus_a-block.o
  CXX      primitives/libbitcoin_consensus_a-transaction.o
  CXX      libbitcoin_consensus_a-pubkey.o
  CXX      script/libbitcoin_consensus_a-bitcoinconsensus.o
  CXX      script/libbitcoin_consensus_a-interpreter.o
  CXX      script/libbitcoin_consensus_a-script.o
  CXX      libbitcoin_consensus_a-uint256.o
  CXX      libbitcoin_consensus_a-utilstrencodings.o
  CXX      crypto/libbitcoin_crypto_base_a-aes.o
  CXX      crypto/libbitcoin_crypto_base_a-chacha20.o
  CXX      crypto/libbitcoin_crypto_base_a-hmac_sha256.o
  CXX      crypto/libbitcoin_crypto_base_a-hmac_sha512.o
  CC       crypto/libbitcoin_crypto_base_a-neoscrypt.o
  CXX      crypto/libbitcoin_crypto_base_a-ripemd160.o
  CXX      crypto/libbitcoin_crypto_base_a-sha1.o
  CXX      crypto/libbitcoin_crypto_base_a-sha256.o
  CXX      crypto/libbitcoin_crypto_base_a-sha512.o
  CXX      crypto/libbitcoin_crypto_sse41_a-sha256_sse41.o
  CXX      crypto/libbitcoin_crypto_avx2_a-sha256_avx2.o
  CXX      crypto/libbitcoin_crypto_shani_a-sha256_shani.o
  CXX      leveldb/db/libleveldb_a-builder.o
  CXX      leveldb/db/libleveldb_a-c.o
  CXX      leveldb/db/libleveldb_a-dbformat.o
  CXX      lib/libunivalue_la-univalue_write.lo
  CXX      leveldb/db/libleveldb_a-db_impl.o
  CXX      leveldb/db/libleveldb_a-db_iter.o
  CXX      leveldb/db/libleveldb_a-dumpfile.o
  CXX      leveldb/db/libleveldb_a-filename.o
  CXXLD    libunivalue.la
ar: `u' modifier ignored since `D' is the default (see `U')
make[3]: Leaving directory '/repos/Feathercoin/src/univalue'
  CXX      leveldb/db/libleveldb_a-log_reader.o
  CXX      leveldb/db/libleveldb_a-log_writer.o
  CXX      leveldb/db/libleveldb_a-memtable.o
  CXX      leveldb/db/libleveldb_a-repair.o
  CXX      leveldb/db/libleveldb_a-table_cache.o
  CXX      leveldb/db/libleveldb_a-version_edit.o
  CXX      leveldb/db/libleveldb_a-version_set.o
  CXX      leveldb/db/libleveldb_a-write_batch.o
  CXX      leveldb/table/libleveldb_a-block_builder.o
  CXX      leveldb/table/libleveldb_a-block.o
  CXX      leveldb/table/libleveldb_a-filter_block.o
  CXX      leveldb/table/libleveldb_a-format.o
  CXX      leveldb/table/libleveldb_a-iterator.o
  CXX      leveldb/table/libleveldb_a-merger.o
  CXX      leveldb/table/libleveldb_a-table_builder.o
  CXX      leveldb/table/libleveldb_a-table.o
  CXX      leveldb/table/libleveldb_a-two_level_iterator.o
  CXX      leveldb/util/libleveldb_a-arena.o
  CXX      leveldb/util/libleveldb_a-bloom.o
  CXX      leveldb/util/libleveldb_a-cache.o
  CXX      leveldb/util/libleveldb_a-coding.o
  CXX      leveldb/util/libleveldb_a-comparator.o
  CXX      leveldb/util/libleveldb_a-crc32c.o
  CXX      leveldb/util/libleveldb_a-env.o
  CXX      leveldb/util/libleveldb_a-env_posix.o
  CXX      leveldb/util/libleveldb_a-filter_policy.o
  CXX      leveldb/util/libleveldb_a-hash.o
  CXX      leveldb/util/libleveldb_a-histogram.o
  CXX      leveldb/util/libleveldb_a-logging.o
  CXX      leveldb/util/libleveldb_a-options.o
  CXX      leveldb/util/libleveldb_a-status.o
  CXX      leveldb/port/libleveldb_a-port_posix.o
leveldb/util/logging.cc: In function 'bool leveldb::ConsumeDecimalNumber(leveldb::Slice*, uint64_t*)':
leveldb/util/logging.cc:58:40: warning: comparison of integer expressions of different signedness: 'const int' and 'uint64_t' {aka 'long unsigned int'} [-Wsign-compare]
           (v == kMaxUint64/10 && delta > kMaxUint64%10)) {
                                  ~~~~~~^~~~~~~~~~~~~~~
  CXX      leveldb/port/libleveldb_sse42_a-port_posix_sse.o
  CXX      leveldb/helpers/memenv/libmemenv_a-memenv.o
  CXX      feathercoin_cli-bitcoin-cli.o
  CXX      rpc/libbitcoin_cli_a-client.o
leveldb/port/port_posix.cc: In function 'bool leveldb::port::HasAcceleratedCRC32C()':
leveldb/port/port_posix.cc:60:15: warning: 'ecx' may be used uninitialized in this function [-Wmaybe-uninitialized]
   return (ecx & (1 << 20)) != 0;
          ~~~~~^~~~~~~~~~~~
  CXX      feathercoin_tx-bitcoin-tx.o
  CXX      crypto/libbitcoinconsensus_la-aes.lo
  CXX      crypto/libbitcoinconsensus_la-chacha20.lo
  CXX      crypto/libbitcoinconsensus_la-hmac_sha256.lo
  CXX      crypto/libbitcoinconsensus_la-hmac_sha512.lo
  CC       crypto/libbitcoinconsensus_la-neoscrypt.lo
  CXX      crypto/libbitcoinconsensus_la-ripemd160.lo
  CXX      crypto/libbitcoinconsensus_la-sha1.lo
  CXX      crypto/libbitcoinconsensus_la-sha256.lo
  CXX      crypto/libbitcoinconsensus_la-sha512.lo
  CXX      libbitcoinconsensus_la-arith_uint256.lo
  CXX      consensus/libbitcoinconsensus_la-merkle.lo
  CXX      libbitcoinconsensus_la-hash.lo
  CXX      primitives/libbitcoinconsensus_la-block.lo
  CXX      primitives/libbitcoinconsensus_la-transaction.lo
  CXX      libbitcoinconsensus_la-pubkey.lo
  CXX      script/libbitcoinconsensus_la-bitcoinconsensus.lo
  CXX      script/libbitcoinconsensus_la-interpreter.lo
  CXX      script/libbitcoinconsensus_la-script.lo
  CXX      libbitcoinconsensus_la-uint256.lo
  CXX      libbitcoinconsensus_la-utilstrencodings.lo
  CXX      feathercoind-bitcoind.o
  CXX      libbitcoin_server_a-addrdb.o
  CXX      libbitcoin_server_a-addrman.o
  CXX      libbitcoin_server_a-alert.o
  CXX      libbitcoin_server_a-bloom.o
  CXX      libbitcoin_server_a-blockencodings.o
  CXX      libbitcoin_server_a-chain.o
  CXX      libbitcoin_server_a-checkpoints.o
  CXX      libbitcoin_server_a-checkpointsync.o
  CXX      consensus/libbitcoin_server_a-tx_verify.o
  CXX      libbitcoin_server_a-httprpc.o
  CXX      libbitcoin_server_a-httpserver.o
  CXX      index/libbitcoin_server_a-base.o
  CXX      index/libbitcoin_server_a-txindex.o
  CXX      libbitcoin_server_a-init.o
  CXX      libbitcoin_server_a-dbwrapper.o
  CXX      libbitcoin_server_a-merkleblock.o
  CXX      libbitcoin_server_a-miner.o
  CXX      libbitcoin_server_a-net.o
  CXX      libbitcoin_server_a-net_processing.o
  CXX      libbitcoin_server_a-noui.o
  CXX      libbitcoin_server_a-outputtype.o
  CXX      policy/libbitcoin_server_a-fees.o
  CXX      policy/libbitcoin_server_a-policy.o
  CXX      policy/libbitcoin_server_a-rbf.o
  CXX      libbitcoin_server_a-pow.o
  CXX      libbitcoin_server_a-rest.o
  CXX      rpc/libbitcoin_server_a-blockchain.o
In file included from ./serialize.h:24,
                 from ./policy/feerate.h:10,
                 from ./policy/policy.h:10,
                 from policy/policy.cpp:8:
./prevector.h: In function 'bool IsWitnessStandard(const CTransaction&, const CCoinsViewCache&)':
./prevector.h:162:79: warning: 'prevScript.prevector<28, unsigned char>::_union.prevector<28, unsigned char>::direct_or_indirect::<anonymous>.prevector<28, unsigned char>::direct_or_indirect::<unnamed struct>::indirect' may be used uninitialized in this function [-Wmaybe-uninitialized]
     T* indirect_ptr(difference_type pos) { return reinterpret_cast<T*>(_union.indirect) + pos; }
                                                                        ~~~~~~~^~~~~~~~
./prevector.h:181:69: warning: 'prevScript.prevector<28, unsigned char>::_union.prevector<28, unsigned char>::direct_or_indirect::<anonymous>.prevector<28, unsigned char>::direct_or_indirect::<unnamed struct>::indirect' may be used uninitialized in this function [-Wmaybe-uninitialized]
                 _union.indirect = static_cast<char*>(realloc(_union.indirect, ((size_t)sizeof(T)) * new_capacity));
                                                              ~~~~~~~^~~~~~~~
  CXX      rpc/libbitcoin_server_a-mining.o
  CXX      rpc/libbitcoin_server_a-misc.o
  CXX      rpc/libbitcoin_server_a-net.o
  CXX      rpc/libbitcoin_server_a-rawtransaction.o
  CXX      rpc/libbitcoin_server_a-server.o
  CXX      rpc/libbitcoin_server_a-util.o
  CXX      script/libbitcoin_server_a-sigcache.o
  AR       libbitcoin_wallet.a
  AR       libbitcoin_common.a
  CXX      libbitcoin_util_a-clientversion.o
  AR       libbitcoin_zmq.a
  AR       libbitcoin_consensus.a
  AR       crypto/libbitcoin_crypto_base.a
  AR       crypto/libbitcoin_crypto_sse41.a
  AR       crypto/libbitcoin_crypto_avx2.a
  AR       crypto/libbitcoin_crypto_shani.a
  AR       leveldb/libleveldb.a
  AR       leveldb/libleveldb_sse42.a
  AR       leveldb/libmemenv.a
  AR       libbitcoin_cli.a
  CXXLD    libbitcoinconsensus.la
  AR       libbitcoin_util.a
/usr/bin/ar: `u' modifier ignored since `D' is the default (see `U')
  CXXLD    feathercoin-cli
  CXXLD    feathercoin-tx
  AR       libbitcoin_server.a
  CXXLD    feathercoind
make[2]: Leaving directory '/repos/Feathercoin/src'
make[1]: Leaving directory '/repos/Feathercoin/src'
Making all in doc/man
make[1]: Entering directory '/repos/Feathercoin/doc/man'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/repos/Feathercoin/doc/man'
make[1]: Entering directory '/repos/Feathercoin'
make[1]: Nothing to be done for 'all-am'.
make[1]: Leaving directory '/repos/Feathercoin'

Should be nothing out of the ordinary… ?

Yeah, strangely that message comes up all the time on start up… I just shortened it from what was printed out above.

Here’s my build config log:

localhost:/repos/Feathercoin# ./configure \
>     --prefix=/usr/ \
>     --disable-shared \
>     --disable-asm \
>     --enable-static \
>     --without-gui \
>     --enable-debug
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking whether gcc understands -c and -o together... yes
checking whether make supports the include directive... yes (GNU style)
checking dependency style of gcc... gcc3
checking build system type... x86_64-pc-linux-musl
checking host system type... x86_64-pc-linux-musl
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... build-aux/install-sh -c -d
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking dependency style of gcc... gcc3
checking whether to enable maintainer-specific portions of Makefiles... yes
checking whether make supports nested variables... (cached) yes
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking dependency style of g++... gcc3
checking whether g++ supports C++11 features with -std=c++11... yes
checking whether std::atomic can be used without link library... yes
checking whether we are using the GNU Objective C++ compiler... no
checking whether g++ -std=c++11 accepts -g... no
checking dependency style of g++ -std=c++11... gcc3
checking how to print strings... printf
checking for a sed that does not truncate output... /bin/sed
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for fgrep... /bin/grep -F
checking for ld used by gcc... /usr/x86_64-alpine-linux-musl/bin/ld
checking if the linker (/usr/x86_64-alpine-linux-musl/bin/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 98304
checking how to convert x86_64-pc-linux-musl file names to x86_64-pc-linux-musl format... func_convert_file_noop
checking how to convert x86_64-pc-linux-musl file names to toolchain format... func_convert_file_noop
checking for /usr/x86_64-alpine-linux-musl/bin/ld option to reload object files... -r
checking for objdump... objdump
checking how to recognize dependent libraries... pass_all
checking for dlltool... no
checking how to associate runtime and link libraries... printf %s\n
checking for ar... ar
checking for archiver @FILE support... @
checking for strip... strip
checking for ranlib... ranlib
checking command to parse /usr/bin/nm -B output from gcc object... ok
checking for sysroot... no
checking for a working dd... /bin/dd
checking how to truncate binary pipes... /bin/dd bs=4096 count=1
./configure: line 1: /usr/bin/file: not found
checking for mt... no
checking if : is a manifest tool... no
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for dlfcn.h... yes
checking for objdir... .libs
checking if gcc supports -fno-rtti -fno-exceptions... no
checking for gcc option to produce PIC... -fPIC -DPIC
checking if gcc PIC flag -fPIC -DPIC works... yes
checking if gcc static flag -static works... yes
checking if gcc supports -c -o file.o... yes
checking if gcc supports -c -o file.o... (cached) yes
checking whether the gcc linker (/usr/x86_64-alpine-linux-musl/bin/ld) supports shared libraries... yes
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... no
checking whether to build static libraries... yes
checking how to run the C++ preprocessor... g++ -std=c++11 -E
checking for ld used by g++ -std=c++11... /usr/x86_64-alpine-linux-musl/bin/ld
checking if the linker (/usr/x86_64-alpine-linux-musl/bin/ld) is GNU ld... yes
checking whether the g++ -std=c++11 linker (/usr/x86_64-alpine-linux-musl/bin/ld) supports shared libraries... yes
checking for g++ -std=c++11 option to produce PIC... -fPIC -DPIC
checking if g++ -std=c++11 PIC flag -fPIC -DPIC works... yes
checking if g++ -std=c++11 static flag -static works... yes
checking if g++ -std=c++11 supports -c -o file.o... yes
checking if g++ -std=c++11 supports -c -o file.o... (cached) yes
checking whether the g++ -std=c++11 linker (/usr/x86_64-alpine-linux-musl/bin/ld) supports shared libraries... yes
checking dynamic linker characteristics... (cached) GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking for ar... /usr/bin/ar
checking for ranlib... /usr/bin/ranlib
checking for strip... /usr/bin/strip
checking for gcov... /usr/bin/gcov
checking for lcov... no
checking for python3.7... no
checking for python3.6... /usr/bin/python3.6
checking for genhtml... no
checking for git... /usr/bin/git
checking for ccache... no
checking for xgettext... no
checking for hexdump... /usr/bin/hexdump
checking for readelf... /usr/bin/readelf
checking for c++filt... /usr/bin/c++filt
checking for objcopy... /usr/bin/objcopy
checking for doxygen... no
configure: WARNING: Doxygen not found
checking whether C++ compiler accepts -Werror... yes
checking whether C++ compiler accepts -Og... yes
checking whether C++ compiler accepts -g3... yes
checking whether C++ preprocessor accepts -DDEBUG... yes
checking whether C++ preprocessor accepts -DDEBUG_LOCKORDER... yes
checking whether C++ compiler accepts -ftrapv... yes
checking whether C++ compiler accepts -Wall... yes
checking whether C++ compiler accepts -Wextra... yes
checking whether C++ compiler accepts -Wformat... yes
checking whether C++ compiler accepts -Wvla... yes
checking whether C++ compiler accepts -Wformat-security... yes
checking whether C++ compiler accepts -Wthread-safety-analysis... no
checking whether C++ compiler accepts -Wrange-loop-analysis... no
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configure: creating ./config.status
config.status: creating libbitcoinconsensus.pc
config.status: creating Makefile
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config.status: creating contrib/devtools/split-debug.sh
config.status: creating src/config/bitcoin-config.h
config.status: executing depfiles commands
config.status: executing libtool commands
=== configuring in src/univalue (/repos/Feathercoin/src/univalue)
configure: running /bin/sh ./configure --disable-option-checking '--prefix=/usr'  '--disable-shared' '--disable-asm' '--enable-static' '--without-gui' '--enable-debug' '--disable-shared' '--with-pic' '--with-bignum=no' '--enable-module-recovery' '--disable-jni' --cache-file=/dev/null --srcdir=.
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checking whether ln -s works... yes
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checking command to parse /usr/bin/nm -B output from gcc object... ok
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./configure: line 1: /usr/bin/file: not found
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checking if gcc supports -fno-rtti -fno-exceptions... no
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checking if gcc PIC flag -fPIC -DPIC works... yes
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checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
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checking if g++ PIC flag -fPIC -DPIC works... yes
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checking how to hardcode library paths into programs... immediate
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: creating pc/libunivalue.pc
config.status: creating pc/libunivalue-uninstalled.pc
config.status: creating univalue-config.h
config.status: univalue-config.h is unchanged
config.status: executing depfiles commands
config.status: executing libtool commands
=== configuring in src/secp256k1 (/repos/Feathercoin/src/secp256k1)
configure: running /bin/sh ./configure --disable-option-checking '--prefix=/usr'  '--disable-shared' '--disable-asm' '--enable-static' '--without-gui' '--enable-debug' '--disable-shared' '--with-pic' '--with-bignum=no' '--enable-module-recovery' '--disable-jni' --cache-file=/dev/null --srcdir=.
checking build system type... x86_64-pc-linux-musl
checking host system type... x86_64-pc-linux-musl
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... build-aux/install-sh -c -d
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checking whether make sets $(MAKE)... yes
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checking whether make supports the include directive... yes (GNU style)
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking whether gcc understands -c and -o together... yes
checking dependency style of gcc... gcc3
checking for a sed that does not truncate output... /bin/sed
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checking for egrep... /bin/grep -E
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checking for ld used by gcc... /usr/x86_64-alpine-linux-musl/bin/ld
checking if the linker (/usr/x86_64-alpine-linux-musl/bin/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 98304
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checking how to convert x86_64-pc-linux-musl file names to toolchain format... func_convert_file_noop
checking for /usr/x86_64-alpine-linux-musl/bin/ld option to reload object files... -r
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checking command to parse /usr/bin/nm -B output from gcc object... ok
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./configure: line 1: /usr/bin/file: not found
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checking if gcc supports -fvisibility=hidden... yes
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checking native compiler: gcc... ok
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configure: Using static precomputation: yes
configure: Using assembly optimizations: x86_64
configure: Using field implementation: 64bit
configure: Using bignum implementation: no
configure: Using scalar implementation: 64bit
configure: Using endomorphism optimizations: no
configure: Building for coverage analysis: no
configure: Building ECDH module: no
configure: Building ECDSA pubkey recovery module: yes
configure: Using jni: no
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: creating libsecp256k1.pc
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config.status: executing depfiles commands
config.status: executing libtool commands

Options used to compile and link:
  with wallet   = yes
  with gui / qt = no
  with zmq      = yes
  with test     = no
  with bench    = no
  with upnp     = yes
  use asm       = no
  sanitizers    =
  debug enabled = yes
  gprof enabled = no
  werror        = no

  target os     = linux
  build os      =

  CC            = gcc
  CFLAGS        = -g -O2 -fPIC
  CPPFLAGS      =  -DDEBUG -DDEBUG_LOCKORDER  -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS -fPIC
  CXX           = g++ -std=c++11
  CXXFLAGS      =  -Og -g3 -ftrapv  -Wstack-protector -fstack-protector-all  -Wall -Wextra -Wformat -Wvla -Wformat-security  -Wno-unused-parameter -Wno-implicit-fallthrough    -fPIC
  LDFLAGS       = -pthread  -Wl,-z,relro -Wl,-z,now -pie
  ARFLAGS       = cr

Hey @Wellenreiter!
Yeah, using whatever the defaults are used on startup (without a config).
Even with a super default feathercoin.conf file it blows out on first up:

server=1
rpcbind=127.0.0.1
rpcallowip=127.0.0.1
rpcuser=admin
rpcpassword=admin
rest=1

Now, here’s the weird thing (I thought I’d try as a last ditch effort):
If I SCP my local chainstate and blocks from Windows into Alpine, it generates a wallet and loads up happily… Even stopping/restarting it it kicks off fine.

If I run -reindex it’ll progress until it segfaults, then the data becomes corrupt and segfaults yet again calling neoscrypt.
So it seems limited to first load and blowing out on the first block after 16MB~.

Weird side affect… :/ :(

If you’re keen to have a debug play with the exact same dev environment here’s my in progress Dockerfile:

FROM alpine:latest

ENV BUILD_DIR /tmp
ENV DB_VERSION 4.8.30.NC
ENV DB_SHASUM 12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef
ENV FTC_VERSION v0.17.0.1

RUN apk add --no-cache --virtual .build-deps \
        # Build tooling
        autoconf \
        automake \
        g++ \
        git \
        libtool \
        make \
        # Required deps
        libressl-dev \
        boost-dev \
        libevent-dev \
        # Optional deps
        miniupnpc-dev \
        zeromq-dev \
    # Obtain and build BerkleyDB
    && wget -P ${BUILD_DIR} http://download.oracle.com/berkeley-db/db-${DB_VERSION}.tar.gz \
    && (echo "${DB_SHASUM}  ${BUILD_DIR}/db-${DB_VERSION}.tar.gz" | sha256sum -c) \
    && tar -xvf ${BUILD_DIR}/db-${DB_VERSION}.tar.gz -C ${BUILD_DIR}/ \
    && cd ${BUILD_DIR}/db-${DB_VERSION}/build_unix \
    && sed s/__atomic_compare_exchange/__atomic_compare_exchange_db/g -i ${BUILD_DIR}/db-${DB_VERSION}/dbinc/atomic.h \
    && ../dist/configure \
        --prefix=/usr/ \
        --includedir=/usr/include/db4 \
        --enable-cxx \
        --enable-compat185 \
        --disable-shared \
        --with-pic \
    && make install \
    # Obtain and build Feathercoin
    && git clone https://github.com/feathercoin/feathercoin.git ${BUILD_DIR}/feathercoin \
    && cd ${BUILD_DIR}/feathercoin \
    && git fetch --tags \
    && git checkout ${FTC_VERSION} \
    && ./autogen.sh \
    && ./configure \
        --prefix=/usr/ \
        --disable-shared \
        --disable-asm \
        --enable-static \
        --without-gui \
        # --disable-wallet \
    # Compile, shrink and install binaries...
    && make \
    #&& strip -s $BUILD_DIR/feathercoin/src/feathercoind \
    #&& strip -s $BUILD_DIR/feathercoin/src/feathercoin-cli \
    #&& strip -s $BUILD_DIR/feathercoin/src/feathercoin-tx \
    && make install \
    # Clean up dev dependencies
    && cd ${BUILD_DIR}/db-${DB_VERSION}/build_unix \
    && make uninstall \
    && rm -Rf ${BUILD_DIR} \
    && apk del .build-deps \
    # Install required libs \
    && apk add --no-cache \
        boost \
        boost-filesystem \
        boost-system \
        boost-thread \
        libevent \
        libgcc \
        libstdc++ \
        libzmq \
        miniupnpc

EXPOSE 9336 9337 19336 19337

Do the 'ole:

docker build -t ftc .
 ~ leave an age to compile ~
docker run -it ftc sh
# / feathercoind
2018-12-09T08:43:18Z Feathercoin Core version v0.17.0.1
2018-12-09T08:43:18Z InitParameterInteraction: parameter interaction: -whitelistforcerelay=1 -> setting -whitelistrelay=1
...
Segmentation fault

I’ve been playing around with getting FTC running successfully on Alpine Linux (docker gold standard due to 2MB base size) but am getting a segfault dropping into neoscypt’s neoscrypt_pbkdf2_sha256 function…

I’ve tried to poke around a little, as it would be nice to have it working on Alpine (musl, not glibc) but I’m at a point where I need a bit of hints around how to debug it, or maybe if I let sleeping dogs lie, and just use deb… haha

The following stacktrace contains normal startup behavior:

(gdb) run
Starting program: /repos/Feathercoin/src/feathercoind
2018-12-09T08:43:18Z Feathercoin Core version v0.17.99.0 (debug build)
2018-12-09T08:43:18Z InitParameterInteraction: parameter interaction: -whitelistforcerelay=1 -> setting -whitelistrelay=1
2018-12-09T08:43:18Z Assuming ancestors of block bb4955cff435b39df717aeb144d60ecc2c47b8a133ca7663df66bace6dea97c6 have valid signatures.
2018-12-09T08:43:18Z Setting nMinimumChainWork=00000000000000000000000000000000000000000000000005383a3c6486afe6
2018-12-09T08:43:18Z Using the 'standard' SHA256 implementation
2018-12-09T08:43:18Z Using RdRand as an additional entropy source
2018-12-09T08:43:18Z Default data directory /root/.feathercoin
2018-12-09T08:43:18Z Using data directory /root/.feathercoin
2018-12-09T08:43:18Z Config file: /root/.feathercoin/feathercoin.conf (not found, skipping)
2018-12-09T08:43:18Z Using at most 125 automatic connections (1024 file descriptors available)
2018-12-09T08:43:18Z Using 16 MiB out of 32/2 requested for signature cache, able to store 524288 elements
2018-12-09T08:43:18Z Using 16 MiB out of 32/2 requested for script execution cache, able to store 524288 elements
2018-12-09T08:43:18Z Using 6 threads for script verification
[New LWP 46860]
[New LWP 46861]
[New LWP 46862]
[New LWP 46863]
[New LWP 46864]
[New LWP 46865]
2018-12-09T08:43:18Z scheduler thread start
2018-12-09T08:43:18Z HTTP: creating work queue of depth 16
2018-12-09T08:43:18Z No rpcpassword set - using random cookie authentication.
2018-12-09T08:43:18Z Generated RPC authentication cookie /root/.feathercoin/.cookie
2018-12-09T08:43:18Z HTTP: starting 4 worker threads
[New LWP 46866]
[New LWP 46867]
[New LWP 46868]
[New LWP 46869]
[New LWP 46870]
2018-12-09T08:43:18Z Using wallet directory /root/.feathercoin/wallets
2018-12-09T08:43:18Z init message: Verifying wallet(s)...
2018-12-09T08:43:18Z Using BerkeleyDB version Berkeley DB 4.8.30: (April  9, 2010)
2018-12-09T08:43:18Z Using wallet wallet.dat
2018-12-09T08:43:18Z BerkeleyEnvironment::Open: LogDir=/root/.feathercoin/wallets/database ErrorFile=/root/.feathercoin/wallets/db.log
2018-12-09T08:43:18Z Cache configuration:
2018-12-09T08:43:18Z * Using 2.0MiB for block index database
2018-12-09T08:43:18Z * Using 8.0MiB for chain state database
2018-12-09T08:43:18Z * Using 440.0MiB for in-memory UTXO set (plus up to 286.1MiB of unused mempool space)
2018-12-09T08:43:18Z init message: Loading block index...
2018-12-09T08:43:18Z Opening LevelDB in /root/.feathercoin/blocks/index
2018-12-09T08:43:18Z Opened LevelDB successfully
2018-12-09T08:43:18Z Using obfuscation key for /root/.feathercoin/blocks/index: 0000000000000000
2018-12-09T08:43:18Z LoadBlockIndexDB: last block file = 0
2018-12-09T08:43:18Z LoadBlockIndexDB: last block file info: CBlockFileInfo(blocks=0, size=0, heights=0...0, time=1970-01-01...1970-01-01)
2018-12-09T08:43:18Z LoadBlockIndexDB(): synchronized checkpoint not read
2018-12-09T08:43:18Z Checking all blk files are present...
2018-12-09T08:43:18Z Initializing databases...
2018-12-09T08:43:18Z Pre-allocating up to position 0x1000000 in blk00000.dat
2018-12-09T08:43:18Z Opening LevelDB in /root/.feathercoin/chainstate
2018-12-09T08:43:18Z Opened LevelDB successfully
2018-12-09T08:43:18Z Wrote new obfuscate key for /root/.feathercoin/chainstate: 879412189ca9bec1
2018-12-09T08:43:18Z Using obfuscation key for /root/.feathercoin/chainstate: 879412189ca9bec1
2018-12-09T08:43:18Z init message: Rewinding blocks...
2018-12-09T08:43:18Z init message: Checking ACP ...
2018-12-09T08:43:18Z  block index              76ms
2018-12-09T08:43:18Z init message: Loading wallet...
2018-12-09T08:43:18Z [default wallet] nFileVersion = 179900
2018-12-09T08:43:18Z [default wallet] Keys: 0 plaintext, 0 encrypted, 0 w/ metadata, 0 total. Unknown wallet records: 0
2018-12-09T08:43:18Z [default wallet] Performing wallet upgrade to 169900
2018-12-09T08:43:19Z [default wallet] keypool added 2000 keys (1000 internal), size=2000 (1000 internal)
2018-12-09T08:43:19Z [default wallet] Wallet completed loading in            1157ms
2018-12-09T08:43:19Z [default wallet] setKeyPool.size() = 2000
2018-12-09T08:43:19Z [default wallet] mapWallet.size() = 0
2018-12-09T08:43:19Z [default wallet] mapAddressBook.size() = 0
[New LWP 46871]

Thread 13 "bitcoin-loadblk" received signal SIGSEGV, Segmentation fault.
[Switching to LWP 46871]
0x000055555595448e in neoscrypt (password=password@entry=0x555556de5bf0 "\001", output=output@entry=0x7ffff30dfa50 "", profile=<optimized out>) at crypto/neoscrypt.c:2328
2328                neoscrypt_pbkdf2_sha256(password, 80, password, 80, 1,
(gdb) backtrace
#0  0x000055555595448e in neoscrypt (password=password@entry=0x555556de5bf0 "\001", output=output@entry=0x7ffff30dfa50 "", profile=<optimized out>) at crypto/neoscrypt.c:2328
#1  0x000055555593b734 in CBlockHeader::GetPoWHash (this=this@entry=0x555556de5bf0, profile=<optimized out>) at primitives/block.cpp:25
#2  0x0000555555744cf2 in ReadBlockFromDisk (block=..., pos=..., consensusParams=...) at validation.cpp:1092
#3  0x0000555555744f7b in ReadBlockFromDisk (block=..., pindex=pindex@entry=0x555556b55340, consensusParams=...) at validation.cpp:1106
#4  0x000055555574707c in CChainState::ConnectTip (this=this@entry=0x555555e4ad20 <g_chainstate>, state=..., chainparams=..., pindexNew=0x555556b55340, pblock=..., connectTrace=..., disconnectpool=...)
    at validation.cpp:2361
#5  0x00005555557483f0 in CChainState::ActivateBestChainStep (this=this@entry=0x555555e4ad20 <g_chainstate>, state=..., chainparams=..., pindexMostWork=pindexMostWork@entry=0x555556b55340, pblock=...,
    fInvalidFound=@0x7ffff30dff9f: false, connectTrace=...) at validation.cpp:2521
#6  0x00005555557492bb in CChainState::ActivateBestChain (this=this@entry=0x555555e4ad20 <g_chainstate>, state=..., chainparams=..., pblock=...) at validation.cpp:2644
#7  0x0000555555749938 in ActivateBestChain (state=..., chainparams=..., pblock=...) at validation.cpp:2696
#8  0x0000555555592c5c in ThreadImport (vImportFiles=...) at init.cpp:672
#9  0x00005555555a737d in boost::_bi::list1<boost::_bi::value<std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > > >::operator()<void (*)(std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> >), boost::_bi::list0> (a=<synthetic pointer>..., f=<optimized out>, this=<optimized out>) at /usr/include/boost/bind/bind.hpp:259
#10 boost::_bi::bind_t<void, void (*)(std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> >), boost::_bi::list1<boost::_bi::value<std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > > > >::operator() (this=<optimized out>) at /usr/include/boost/bind/bind.hpp:1294
#11 boost::detail::thread_data<boost::_bi::bind_t<void, void (*)(std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> >), boost::_bi::list1<boost::_bi::value<std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > > > > >::run (this=<optimized out>) at /usr/include/boost/thread/detail/thread.hpp:116
#12 0x00007ffff77399fd in ?? () from /usr/lib/libboost_thread-mt.so.1.66.0
#13 0x00007ffff7dbf6c2 in ?? () from /lib/ld-musl-x86_64.so.1
#14 0x0000000000000000 in ?? ()

Just tested building from v0.16.3 and a segfault occurs at the exact same point:

Starting program: /repos/Feathercoin/src/feathercoind
[New LWP 27590]
[New LWP 27591]
[New LWP 27592]
[New LWP 27593]
[New LWP 27594]
[New LWP 27595]
[New LWP 27596]
[New LWP 27597]
[New LWP 27598]
[New LWP 27599]
[New LWP 27600]
[New LWP 27601]

Thread 13 "bitcoin-loadblk" received signal SIGSEGV, Segmentation fault.
[Switching to LWP 27601]
0x0000555555ba04fd in neoscrypt (password=0x555556f5ab90 "\001", output=0x7ffff39bdaa0 "", profile=3) at crypto/neoscrypt.c:2328
2328                neoscrypt_pbkdf2_sha256(password, 80, password, 80, 1,
(gdb) backtrace
#0  0x0000555555ba04fd in neoscrypt (password=0x555556f5ab90 "\001", output=0x7ffff39bdaa0 "", profile=3) at crypto/neoscrypt.c:2328
#1  0x0000555555b86486 in CBlockHeader::GetPoWHash (this=0x555556f5ab90, profile=3) at primitives/block.cpp:23
#2  0x0000555555885fc4 in ReadBlockFromDisk (block=..., pos=..., consensusParams=...) at validation.cpp:1130
#3  0x00005555558861e0 in ReadBlockFromDisk (block=..., pindex=0x555556cd1bc0, consensusParams=...) at validation.cpp:1144
#4  0x000055555588f9ea in CChainState::ConnectTip (this=0x555555feb580 <g_chainstate>, state=..., chainparams=..., pindexNew=0x555556cd1bc0, pblock=..., connectTrace=..., disconnectpool=...)
    at validation.cpp:2340
#5  0x0000555555891b2b in CChainState::ActivateBestChainStep (this=0x555555feb580 <g_chainstate>, state=..., chainparams=..., pindexMostWork=0x555556cd1bc0, pblock=...,
    fInvalidFound=@0x7ffff39be089: false, connectTrace=...) at validation.cpp:2500
#6  0x00005555558920eb in CChainState::ActivateBestChain (this=0x555555feb580 <g_chainstate>, state=..., chainparams=..., pblock=...) at validation.cpp:2615
#7  0x00005555558925a3 in ActivateBestChain (state=..., chainparams=..., pblock=...) at validation.cpp:2667
#8  0x00005555555ad96e in ThreadImport (vImportFiles=...) at init.cpp:688
#9  0x000055555561da2c in boost::_bi::list1<boost::_bi::value<std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > > >::operator()<void (*)(std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> >), boost::_bi::list0> (this=0x555556f5a0e0,
    f=@0x555556f5a0d8: 0x5555555ad2ef <ThreadImport(std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> >)>, a=...) at /usr/include/boost/bind/bind.hpp:259
#10 0x000055555561d108 in boost::_bi::bind_t<void, void (*)(std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> >), boost::_bi::list1<boost::_bi::value<std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > > > >::operator() (this=0x555556f5a0d8) at /usr/include/boost/bind/bind.hpp:1294
#11 0x000055555561c68b in boost::detail::thread_data<boost::_bi::bind_t<void, void (*)(std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> >), boost::_bi::list1<boost::_bi::value<std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > > > > >::run (this=0x555556f59fa0) at /usr/include/boost/thread/detail/thread.hpp:117
#12 0x00007ffff76b14dd in ?? () from /usr/lib/libboost_thread-mt.so.1.67.0
#13 0x00007ffff7fbe95b in ?? () from /lib/ld-musl-x86_64.so.1
#14 0x0000000000000000 in ?? ()

Any thoughts on how to debug/fix this?

If you have a look at the markets tab @ coinmarketcap you can see where the most volume is being traded from in the past 24 hours.

When I checked, Bittrex did 70% of the trade volume, with Upbit (Korean - so may be killed off depending on what the government decides to do??) in second at 20%…

I use Lastpass Chrome extension - generates me my passwords @ 50 chars and an adblocker…
Too many separate passwords to remember nowadays between work, home, family members…
Oh the joys of being a sysadmin…

@lclc_ heh. was waiting for that reply giving the timing :stuck_out_tongue_winking_eye:

Hey team,

I’ve noticed the login for the forum has autocomplete=off in the text inputs, are you able to disable/remove this as it stops password managers from being able to fill things out. If you open up chrome dev tools, chrome will give you it’s thoughts about it too :stuck_out_tongue:

(I like being lazy - I don’t want to have to remember/edit>copy>paste my 50 character hash for every device I use all the time :joy:)

Yasss!

Happy New Year from New Zealand!!

I’ve got a little news to kick the New Year off with a bang for FTC! :tada:
I’ve migrated all changes as added to the above repos tonight to MatthewHartstonge/featherwallet-core

Next up, I’ll be looking into binding the new lib into a fork of BreadWallet to make sure everything is happy, then the NeoScrypt implementation :smile:

@phlosen I agree about the weighting - it would have to be thin/light - take for example Raleway’s thin/light italic: https://fonts.google.com/specimen/Raleway?selection.family=Raleway

@gonnaforget We’re a small country in New Zealand…
Generally most Power (utility) companies charge around 25-30c kWh.

I’m with a company that does wholesale, which means it can vary quite a bit instead of being a set price - means we get it super cheap off peak for when we charge our electric car (generally around 12c a unit).

Last month we had a Hydro Power facility under maintenance pushing power prices up to 35-45c during the day 😰

I’ve been trialling https://bittylicious.com/ in GBP, but international mode does USD->FTC.

Obviously, you will need to go through their verification process (send a bill, drivers license e.t.c.) before you can use credit card and as of this moment you incur a 10c (fee?) hit per coin.

But hey, in my case, that can be cheaper than the electricity to mine it! (~12-45c a kWh on wholesale rates)

Breadwallet have done a massive re-architecture and split out core code to breadwallet-core. luckily - this makes compare and contrast with BTC<->LTC super easy as loafWallet followed the move.

See: https://github.com/breadwallet/breadwallet-core/compare/master...litecoin-foundation:master
Now it’s a matter of understanding it… :thinking: :joy:

In terms of NeoScrypt implementation, excuse my noobishness if I’m wrong in these assumptions:

• Step 1. From what I’ve seen NeoScrypt should be able to be built without without neoscrypt_asm.S as the assembly code has been implemented in C as well :ok_hand:
• Step 2. Looks like iOS can drop into native C which means that we can bind to the NeoScrypt lib…
• Step 3. Profit :moneybag:

Please correct me if my assumptions are wrong here…