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The Metaverse individual chain service ETP coin and immutable data space for Hyperspace.

Home Page: https://mvs.org

License: GNU Affero General Public License v3.0

CMake 0.45% C 8.87% C++ 82.10% Swift 0.22% Shell 0.47% HTML 0.04% Python 7.76% Dockerfile 0.02% NSIS 0.07%
blockchain metaverse digital-identity digital-assets mvs avatar

metaverse's Introduction

Metaverse Core Integration/staging Tree

Build Status AGPL v3

logo

Introduction

Metaverse(MVS) is a decentralised system based on the blockchain technology, through which, a network of smart properties, digital identities and value intermediators are established.

Metaverse Features:

Building MVS

Compiler requirements

Compilier Minimum Version Recommanded Version
gcc/g++ 5.0 9.0.0+
clang++ 3.4 (8.0.0) 10.0.0+
MSVC 19.0 (VS2015) VS2019

C++ compiler support C++14 standard or newer. Dependencies of MVS binaris are static linked (including libstdc++).

Toolchain requirements

  • cmake 3.0+
  • git
  • automake (speck256k1/ZeroMQ)
$ yum/brew/apt-get install git cmake
$ yum/brew/apt-get install autoconf automake libtool pkg-config

Setup Library Dependencies

By install_dependencies.sh

Installing ZeroMQ secp256k1 automatically by:

$ sudo ./install_dependencies.sh

Installing boost upnp automatically by:

$ sudo ./install_dependencies.sh --build-boost --build-upnpc

Manually

boost 1.56+

$ sudo yum/brew/apt-get install libboost-all-dev

Download Boost 1.69.0.

zeromq 4.2.1+

$ wget https://github.com/zeromq/libzmq/releases/download/v4.2.1/zeromq-4.2.1.tar.gz
$ tar -xzvf zeromq-4.2.1.tar.gz
$ cd zeromq-4.2.1
$ ./autogen.sh
$ ./configure
$ make -j4
$ sudo make install && sudo ldconfig

server/explorer requires ZeroMQ.

secp256k1

$ git clone https://github.com/mvs-org/secp256k1
$ cd secp256k1
$ ./autogen.sh
$ ./configure --enable-module-recovery
$ make -j4
$ sudo make install && sudo ldconfig

Sometimes we may got the following compile error undefined reference to '__gmpn_sub_n' ... See more details here #issue209

$ ./configure --enable-module-recovery --with-bignum=no

miniupnpc

$ wget http://miniupnp.tuxfamily.org/files/miniupnpc-2.0.tar.gz
$ tar -xzvf miniupnpc-2.0.tar.gz
$ cd miniupnpc-2.0
$ make -j4
$ sudo INSTALLPREFIX=/usr/local make install && sudo ldconfig

blockchain/network requires upnp if specified.

Building

$ git clone https://github.com/mvs-org/metaverse.git
$ cd metaverse && mkdir build && cd build
$ cmake -DUSE_UPNP=OFF ..
$ make -j4
$ make install

To enable UPnP, use cmake .. instead.

optional:

$ make test (should install boost_unit_test_framework)
$ make doc  (should install doxygen and graphviz)

Run it

  • mvsd - server program
    Runs a full metaverse node in the global peer-to-peer network.

  • mvs-cli - client program
    Sent your request to the server, the server will process it and return response to your client.

$ cd bin
$ ./mvsd
$ ./mvs-cli
$ ./mvs-cli getnewaccount -h
$ ./mvs-cli $command $params $options

Read More Command line usage and Configuration file.

Building/Run under docker

Preparation

Install Docker.

wget qO https://get.docker.com/ | sh

Build Metaverse docker image

git clone https://github.com/mvs-org/metaverse.git
cd metaverse
docker build -t metaverse -f docker/Dockerfile .

Where is your built image? It’s in your machine’s local Docker image registry:

docker images

Run && Test

Start docker container

docker run -p 8820:8820 metaverse

Test

curl -X POST --data '{"jsonrpc":"2.0","method":"getinfo","params":[],"id":25}' http://127.0.0.1:8820/rpc/v2

Execute mvs-cli commands

Run mvs-cli commands via docker exec command. Example:

docker exec metaverse mvs-cli getinfo

Docker Compose

An example docker-compose file can be found at docker/docker-compose.yml.

docker-compose -f docker/docker-compose.yml up
# OR
cd docker
docker-compose up -d

# Use CLI
docker-compose exec mvs-cli getheight

Build for raspberry pi

Cross compile mvs using Docker in ubuntu 16.04

you need to change to root when executing the flowing command.

env

check versin first, linux kerne and docker version:

host docker >= 17.05.0-ce
host kernel >= 4.8

install qemu:

apt-get install qemu-user-static

way1

Clone the mvs source. then enter mvs source directory, then run:

// for arm 64 (eg: aarch64, armv8(and abover))
sudo bash ./cross-build.sh arm64

When everything ok, the binary file and .so/.a file will be found in output directory.

metaverse's People

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metaverse's Issues

encrypt account mnenomic&private key

  1. encrypt account mnenomic with password and store mnenomic into account database
  2. encrypt account address private key with account password and store it into account_address database
  3. not do mnemonic check when importaccount from mnenomic

modify getaddress command function

  1. address is just only the argument to get assets info of the address (corresponding to fetch-balance)
  2. remove account/passwd and auth check

sendasset enhance feature

  1. the utxos which contain etp and asset should be not used to in pure etp transfer tx
  2. borrow etp from other address if the address which has asset does not have enought etp when account do asset transfer

remove changepasswdext command

changepasswdext command is used to changing account password according mnemonic in old mvsd version. but now we encrypt mnemonic using account password, so you can not reset your password by mnemonic if you forgot your password. so removing this command now.

compile error

[100%] Linking CXX executable ../../bin/mvsd
cd /Users/impressiver/Projects/impressiver/Aparesse/metaverse/build/src/mvsd && /usr/local/Cellar/cmake/3.8.0/bin/cmake -E cmake_link_script CMakeFiles/mvsd.dir/link.txt --verbose=1
/Library/Developer/CommandLineTools/usr/bin/c++ -std=c++11 -fstrict-aliasing -fvisibility=hidden -Wall -Wextra -Wstrict-aliasing=2 -Wno-unused-parameter -Wno-unused-variable -Wno-type-limits -Werror -Wno-reorder -Wno-ignored-qualifiers -Wno-inconsistent-missing-override -Wno-missing-braces -Wno-mismatched-tags -Wno-overloaded-virtual -Wno-sometimes-uninitialized -Wno-macro-redefined -Wno-uninitialized -Wno-unused-private-field -Wno-unused-function -std=c++14 -Wno-braced-scalar-init -O3 -DNDEBUG -Wl,-search_paths_first -Wl,-headerpad_max_install_names -stdlib=libc++ CMakeFiles/mvsd.dir/executor.cpp.o CMakeFiles/mvsd.dir/main.cpp.o CMakeFiles/mvsd.dir/mgbubble/Mongoose.cpp.o CMakeFiles/mvsd.dir/mgbubble/RestServ.cpp.o CMakeFiles/mvsd.dir/mgbubble/exception/Error.cpp.o CMakeFiles/mvsd.dir/mgbubble/exception/Exception.cpp.o CMakeFiles/mvsd.dir/mgbubble/exception/Instances.cpp.o CMakeFiles/mvsd.dir/mgbubble/utility/Stream.cpp.o CMakeFiles/mvsd.dir/mgbubble/utility/Stream_buf.cpp.o CMakeFiles/mvsd.dir/server/address_key.cpp.o CMakeFiles/mvsd.dir/server/configuration.cpp.o CMakeFiles/mvsd.dir/server/interface/address.cpp.o CMakeFiles/mvsd.dir/server/interface/blockchain.cpp.o CMakeFiles/mvsd.dir/server/interface/protocol.cpp.o CMakeFiles/mvsd.dir/server/interface/transaction_pool.cpp.o CMakeFiles/mvsd.dir/server/messages/message.cpp.o CMakeFiles/mvsd.dir/server/messages/route.cpp.o CMakeFiles/mvsd.dir/server/parser.cpp.o CMakeFiles/mvsd.dir/server/server_node.cpp.o CMakeFiles/mvsd.dir/server/services/block_service.cpp.o CMakeFiles/mvsd.dir/server/services/heartbeat_service.cpp.o CMakeFiles/mvsd.dir/server/services/query_service.cpp.o CMakeFiles/mvsd.dir/server/services/transaction_service.cpp.o CMakeFiles/mvsd.dir/server/settings.cpp.o CMakeFiles/mvsd.dir/server/utility/authenticator.cpp.o CMakeFiles/mvsd.dir/server/utility/fetch_helpers.cpp.o CMakeFiles/mvsd.dir/server/workers/notification_worker.cpp.o CMakeFiles/mvsd.dir/server/workers/query_worker.cpp.o -o ../../bin/mvsd /usr/local/lib/libboost_date_time-mt.a /usr/local/lib/libboost_filesystem-mt.a /usr/local/lib/libboost_system-mt.a /usr/local/lib/libboost_program_options-mt.a /usr/local/lib/libboost_regex-mt.a /usr/local/lib/libboost_thread-mt.a /usr/local/lib/libboost_chrono-mt.a /usr/local/lib/libboost_atomic-mt.a ../../lib/libmvs_network.a ../../lib/libmvs_database.a ../../lib/libmvs_consensus.a ../../lib/libmvs_blockchain.a ../../lib/libmvs_bitcoin.a ../../lib/libmongoose.a ../../lib/libmvs_node.a ../../lib/libmvs_protocol.a ../../lib/libmvs_client.a ../../lib/libmvs_explorer.a ../../lib/libmvs_network.a ../../lib/libmvs_blockchain.a ../../lib/libmvs_database.a ../../lib/libmvs_consensus.a ../../lib/libethash.a ../../lib/libmvs_client.a ../../lib/libmvs_protocol.a ../../lib/libmvs_bitcoin.a /usr/local/lib/libboost_date_time-mt.a /usr/local/lib/libboost_filesystem-mt.a /usr/local/lib/libboost_system-mt.a /usr/local/lib/libboost_program_options-mt.a /usr/local/lib/libboost_regex-mt.a /usr/local/lib/libboost_thread-mt.a /usr/local/lib/libboost_chrono-mt.a /usr/local/lib/libboost_atomic-mt.a /usr/local/lib/libsecp256k1.a ../../lib/libmvs_bitcoinmath.a /usr/local/lib/libzmq.a
Undefined symbols for architecture x86_64:
"___gmpn_gcdext", referenced from:
_secp256k1_num_mod_inverse in libsecp256k1.a(libsecp256k1_la-secp256k1.o)
"___gmpn_get_str", referenced from:
_secp256k1_num_get_bin in libsecp256k1.a(libsecp256k1_la-secp256k1.o)
"___gmpn_set_str", referenced from:
_secp256k1_ecdsa_recover in libsecp256k1.a(libsecp256k1_la-secp256k1.o)
_secp256k1_scalar_inverse_var in libsecp256k1.a(libsecp256k1_la-secp256k1.o)
"___gmpn_sub_n", referenced from:
_secp256k1_num_mod_inverse in libsecp256k1.a(libsecp256k1_la-secp256k1.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [bin/mvsd] Error 1
make[1]: *** [src/mvsd/CMakeFiles/mvsd.dir/all] Error 2
make: *** [all] Error 2

Mac osx
Configured with: --prefix=/Library/Developer/CommandLineTools/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 8.1.0 (clang-802.0.42)
Target: x86_64-apple-darwin16.6.0
Thread model: posix
InstalledDir: /Library/Developer/CommandLineTools/usr/bin

please tell me how to solve this problem thanks

listbalances command performance enhance description

该issue只记录分析过程,并未涉及代码修改,即没有针对该问题提交代码到git中

listbalances性能测试
测试环境:利用mvsd在一个地址"tE7FaQs7abB1SM5EC12pSoMhYTPHD5szfK"上挖矿60000块
测试方法:
命令1:mvs-cli listbalances a a
命令2 : mvs-cli fetch-balance tE7FaQs7abB1SM5EC12pSoMhYTPHD5szfK
在mvsd启动后,第一次执行命令1耗费约142s,执行命令2耗费约9s
第二次执行命令1耗费约14s,执行命令2耗费约7s
自第一次后两个命令执行耗费时间大致与第二次执行时间相同。
原因:命令1逻辑实现由两部分组成:1.读取并分析utxo 2.读取utxo所在transaction,并分析utxo的output中的脚本(业务上主要针对挖矿、存款)
命令2逻辑实现由一部分组成:1.读取并分析utxo
命令1的时间主要浪费在transaction记录的读取上,原因有两个:1. transaction库数据加载 2.transaction库记录是变长记录

建议方案:在mvsd启动时预加载transaction库
修改后测试结果如下:
测试环境:利用mvsd在一个地址"tE7FaQs7abB1SM5EC12pSoMhYTPHD5szfK"上挖矿60000块
测试方法:
命令1:mvs-cli listbalances a a
命令2: mvs-cli fetch-balance tE7FaQs7abB1SM5EC12pSoMhYTPHD5szfK
在mvsd启动后,第一次执行命令1耗费约18s,执行命令2耗费约9s
第二次执行命令1耗费约14s,执行命令2耗费约7s
自第一次后两个命令执行耗费时间大致与第二次执行时间相同。
引入问题:1. 因预加载transaction库需一定时间,导致mvsd启动缓慢。 2. 测试机内存为2G,mvsd内存占用率由0.7%上升到40%。

结论:修改后性能有所提升,但会导致mvsd启动缓慢。在没预加载transaction之前执行listbalances命令后也会导致内存占用率上升到40%,原因是transaction库基于mmap方式实现。

listbalances命令在块高度达到19000后,执行耗费时间为3s,第二次耗费时间为2.9s

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