Resources

EOS.IO - The Most Powerful Infrastructure for Decentralized Applications

Welcome to the EOS.IO source code repository! EOS.IO software enables developers to create and deploy high-performance, horizontally scalable, blockchain infrastructure upon which decentralized applications can be built.

This code is currently alpha-quality and under rapid development. That said, there is plenty early experimenters can do including running a private multi-node test network and developing applications (smart contracts).

The public testnet described in the wiki is running the dawn-2.x branch. The master branch is no longer compatible with the public testnet. Instructions are provided below for building either option.

Supported Operating Systems

EOS.IO currently supports the following operating systems:

Amazon 2017.09 and higher.
Centos 7.
Fedora 25 and higher (Fedora 27 recommended).
Mint 18.
Ubuntu 16.04 (Ubuntu 16.10 recommended).
MacOS Darwin 10.12 and higher (MacOS 10.13.x recommended).

Resources

Getting Started
Setting up a build/development environment
Automated build script
1. Clean install Linux (Amazon, Centos, Fedora, Mint, & Ubuntu) for a local testnet
2. Clean install Linux (Amazon, Centos, Fedora, Mint, & Ubuntu) for the public testnet
3. MacOS for a local testnet
4. MacOS for the public testnet
Building EOS and running a node
Getting the code
Building from source code
Creating and launching a single-node testnet
Next steps
Example Currency Contract Walkthrough
Example Contracts
Setting up a wallet and importing account key
Creating accounts for your smart contracts
Upload sample contract to blockchain
Pushing a message to a sample contract
Reading Currency Contract Balance
Running local testnet
Running a node on the public testnet
Doxygen documentation
Running EOS in Docker
Manual installation of the dependencies
1. Clean install Amazon 2017.09 and higher
2. Clean install Centos 7 and higher
3. Clean install Fedora 25 and higher
4. Clean install Mint 18
5. Clean install Ubuntu 16
6. Clean install MacOS Sierra 10.12 and higher

Getting Started

The following instructions detail the process of getting the software, building it, running a simple test network that produces blocks, account creation and uploading a sample contract to the blockchain.

Setting up a build/development environment

Automated build script

Supported Operating Systems:

Amazon 2017.09 and higher.
Centos 7.
Fedora 25 and higher (Fedora 27 recommended).
Mint 18.
Ubuntu 16.04 (Ubuntu 16.10 recommended).
MacOS Darwin 10.12 and higher (MacOS 10.13.x recommended).

For Amazon, Centos, Fedora, Mint, Ubuntu, & MacOS there is an automated build script that can install all dependencies and builds EOS. We are working on supporting other Linux/Unix distributions in future releases.

Choose whether you will be building for a local testnet or for the public testnet and jump to the appropriate section below. Clone the EOS repository recursively as described and run eosio_build.sh located in the root eos folder.

⚠️ As of February 2018, master is under heavy development and is not suitable for experimentation. ⚠️

We strongly recommend following the instructions for building the public testnet version for Linux or Mac OS X. master is in pieces on the garage floor while we rebuild this hotrod. This notice will be removed when master is usable again. Your patience is appreciated.

⛔ Clean install Linux (Amazon, Centos, Fedora, Mint, & Ubuntu) for a local testnet ⛔

git clone https://github.com/eosio/eos --recursive
cd eos
./eosio_build.sh

For ease of contract development, one further step is required:

sudo make install

Now you can proceed to the next step - Creating and launching a single-node testnet

Clean install Linux (Amazon, Centos, Fedora, Mint, & Ubuntu) for the public testnet

git clone https://github.com/eosio/eos --recursive
cd eos
git checkout DAWN-2018-02-14
git submodule update --recursive
./build.sh ubuntu

For ease of contract development, one further step is required:

sudo make install

Now you can proceed to the next step - Running a node on the public testnet

⛔ MacOS for a local testnet ⛔

Before running the script make sure you have installed/updated XCode. Note: The build script will install homebrew if it is not already installed on you system. Homebrew Website

Then clone the EOS repository recursively and run eosio_build.sh in the root eos folder.

git clone https://github.com/eosio/eos --recursive
cd eos
./eosio_build.sh

For ease of contract development, one further step is required:

cd build
sudo make install

Now you can proceed to the next step - Creating and launching a single-node testnet

MacOS for the public testnet

Before running the script make sure you have installed/updated XCode. Note: The build script will install homebrew if it is not already installed on you system. Homebrew Website

Then clone the EOS repository recursively, checkout the branch that is compatible with the public testnet, and run eosio_build.sh in the root eos folder.

git clone https://github.com/eosio/eos --recursive
cd eos
git checkout DAWN-2018-02-14
git submodule update --recursive
./build.sh darwin

For ease of contract development, one further step is required:

cd build
sudo make install

Now you can proceed to the next step - Running a node on the public testnet

Building EOS and running a node

Getting the code

To download all of the code, download EOS source code and a recursion or two of submodules. The easiest way to get all of this is to do a recursive clone:

git clone https://github.com/eosio/eos --recursive

If a repo is cloned without the --recursive flag, the submodules can be retrieved after the fact by running this command from within the repo:

git submodule update --init --recursive

Building from source code

cd ~
git clone https://github.com/eosio/eos --recursive
mkdir -p ~/eos/build && cd ~/eos/build
cmake -DBINARYEN_BIN=~/binaryen/bin -DWASM_ROOT=~/wasm-compiler/llvm -DOPENSSL_ROOT_DIR=/usr/local/opt/openssl -DOPENSSL_LIBRARIES=/usr/local/opt/openssl/lib ..
make -j$( nproc )

Out-of-source builds are also supported. To override clang's default choice in compiler, add these flags to the CMake command:

-DCMAKE_CXX_COMPILER=/path/to/c++ -DCMAKE_C_COMPILER=/path/to/cc

For a debug build, add -DCMAKE_BUILD_TYPE=Debug. Other common build types include Release and RelWithDebInfo.

To run the test suite after building, run the chain_test executable in the tests folder.

EOS comes with a number of programs you can find in ~/eos/build/programs. They are listed below:

nodeos - server-side blockchain node component
cleos - command line interface to interact with the blockchain
eosiowd - EOS wallet
eosio-launcher - application for nodes network composing and deployment; more on eosio-launcher

Creating and launching a single-node testnet

After successfully building the project, the nodeos binary should be present in the build/programs/nodeos directory. Run nodeos -- it will probably exit with an error, but if not, close it immediately with Ctrl-C. If it exited with an error, note that nodeos created a directory named data-dir containing the default configuration (config.ini) and some other internals. This default data storage path can be overridden by passing --data-dir /path/to/data to nodeos. These instructions will continue to use the default directory.

Edit the config.ini file, adding/updating the following settings to the defaults already in place:

# Load the testnet genesis state, which creates some initial block producers with the default key
genesis-json = /path/to/eos/source/genesis.json
 # Enable production on a stale chain, since a single-node test chain is pretty much always stale
enable-stale-production = true
# Enable block production with the testnet producers
producer-name = inita
producer-name = initb
producer-name = initc
producer-name = initd
producer-name = inite
producer-name = initf
producer-name = initg
producer-name = inith
producer-name = initi
producer-name = initj
producer-name = initk
producer-name = initl
producer-name = initm
producer-name = initn
producer-name = inito
producer-name = initp
producer-name = initq
producer-name = initr
producer-name = inits
producer-name = initt
producer-name = initu
# Load the block producer plugin, so you can produce blocks
plugin = eosio::producer_plugin
# Wallet plugin
plugin = eosio::wallet_api_plugin
# As well as API and HTTP plugins
plugin = eosio::chain_api_plugin
plugin = eosio::http_plugin

Now it should be possible to run nodeos and see it begin producing blocks. You can specify the location of a custom config.ini by passing the --config-dir argument to nodeos.

When running nodeos you should get log messages similar to below. It means the blocks are successfully produced.

1575001ms thread-0   chain_controller.cpp:235      _push_block          ] initm #1 @2017-09-04T04:26:15  | 0 trx, 0 pending, exectime_ms=0
1575001ms thread-0   producer_plugin.cpp:207       block_production_loo ] initm generated block #1 @ 2017-09-04T04:26:15 with 0 trxs  0 pending
1578001ms thread-0   chain_controller.cpp:235      _push_block          ] initc #2 @2017-09-04T04:26:18  | 0 trx, 0 pending, exectime_ms=0
1578001ms thread-0   producer_plugin.cpp:207       block_production_loo ] initc generated block #2 @ 2017-09-04T04:26:18 with 0 trxs  0 pending
...

Next Steps

Further documentation is available in the wiki. Wiki pages include detailed reference documentation for all programs and tools and the database schema and API. The wiki also includes a section describing smart contract development. A simple walkthrough of the "currency" contract follows.

Example "Currency" Contract Walkthrough

EOS comes with example contracts that can be uploaded and run for testing purposes. Next we demonstrate how to upload and interact with the sample contract "currency".

Example smart contracts

First, run the node

cd ~/eos/build/programs/nodeos/
./nodeos

Setting up a wallet and importing account key

As you've previously added plugin = eosio::wallet_api_plugin into config.ini, EOS wallet will be running as a part of nodeos process. Every contract requires an associated account, so first, create a wallet.

cd ~/eos/build/programs/cleos/
./cleos wallet create # Outputs a password that you need to save to be able to lock/unlock the wallet

For the purpose of this walkthrough, import the private key of the eosio account, a system account included within genesis.json, so that you're able to issue API commands under authority of an existing account. The private key referenced below is found within your config.ini and is provided to you for testing purposes.

./cleos wallet import 5KQwrPbwdL6PhXujxW37FSSQZ1JiwsST4cqQzDeyXtP79zkvFD3

Creating accounts for sample "currency" contract

First, generate some public/private key pairs that will be later assigned as owner_key and active_key.

cd ~/eos/build/programs/cleos/
./cleos create key # owner_key
./cleos create key # active_key

This will output two pairs of public and private keys

Private key: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Public key: EOSXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Important: Save the values for future reference.

Run the create command where eosio is the account authorizing the creation of the currency account and PUBLIC_KEY_1 and PUBLIC_KEY_2 are the values generated by the create key command

./cleos create account eosio currency PUBLIC_KEY_1 PUBLIC_KEY_2

You should then get a JSON response back with a transaction ID confirming it was executed successfully.

Go ahead and check that the account was successfully created

./cleos get account currency

If all went well, you will receive output similar to the following:

{
  "account_name": "currency",
  "eos_balance": "0.0000 EOS",
  "staked_balance": "0.0001 EOS",
  "unstaking_balance": "0.0000 EOS",
  "last_unstaking_time": "2035-10-29T06:32:22",
...

Now import the active private key generated previously in the wallet:

./cleos wallet import XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Upload sample "currency" contract to blockchain

Before uploading a contract, verify that there is no current contract:

./cleos get code currency
code hash: 0000000000000000000000000000000000000000000000000000000000000000

With an account for a contract created, upload a sample contract:

./cleos set contract currency ../../contracts/currency/currency.wast ../../contracts/currency/currency.abi

As a response you should get a JSON with a transaction_id field. Your contract was successfully uploaded!

You can also verify that the code has been set with the following command:

./cleos get code currency

It will return something like:

code hash: 9b9db1a7940503a88535517049e64467a6e8f4e9e03af15e9968ec89dd794975

Before using the currency contract, you must issue the currency.

./cleos push action currency issue '{"to":"currency","quantity":"1000.0000 CUR"}' --permission currency@active

Next verify the currency contract has the proper initial balance:

./cleos get table currency currency account
{
  "rows": [{
     "currency": 1381319428,
     "balance": 10000000
     }
  ],
  "more": false
}

Transfering funds with the sample "currency" contract

Anyone can send any message to any contract at any time, but the contracts may reject messages which are not given necessary permission. Messages are not sent "from" anyone, they are sent "with permission of" one or more accounts and permission levels. The following commands show a "transfer" message being sent to the "currency" contract.

The content of the message is '{"from":"currency","to":"eosio","quantity":"20.0000 CUR","memo":"any string"}'. In this case we are asking the currency contract to transfer funds from itself to someone else. This requires the permission of the currency contract.

./cleos push action currency transfer '{"from":"currency","to":"eosio","quantity":"20.0000 CUR","memo":"my first transfer"}' --permission currency@active

Below is a generalization that shows the currency account is only referenced once, to specify which contract to deliver the transfer message to.

./cleos push action currency transfer '{"from":"${usera}","to":"${userb}","quantity":"20.0000 CUR","memo":""}' --permission ${usera}@active

As confirmation of a successfully submitted transaction, you will receive JSON output that includes a transaction_id field.

Reading sample "currency" contract balance

So now check the state of both of the accounts involved in the previous transaction.

./cleos get table eosio currency account
{
  "rows": [{
      "currency": 1381319428,
      "balance": 200000
       }
    ],
  "more": false
}
./cleos get table currency currency account
{
  "rows": [{
      "currency": 1381319428,
      "balance": 9800000
    }
  ],
  "more": false
}

As expected, the receiving account eosio now has a balance of 20 tokens, and the sending account now has 20 less tokens than its initial supply.

Running multi-node local testnet

To run a local testnet you can use the eosio-launcher application provided in the ~/eos/build/programs/eosio-launcher folder.

For testing purposes you will run two local production nodes talking to each other.

cd ~/eos/build
cp ../genesis.json ./
./programs/eosio-launcher/eosio-launcher -p2 --skip-signature

This command will generate two data folders for each instance of the node: tn_data_00 and tn_data_01.

You should see the following response:

spawning child, programs/nodeos/nodeos --skip-transaction-signatures --data-dir tn_data_0
spawning child, programs/nodeos/nodeos --skip-transaction-signatures --data-dir tn_data_1

To confirm the nodes are running, run the following cleos commands:

~/eos/build/programs/cleos
./cleos -p 8888 get info
./cleos -p 8889 get info

For each command, you should get a JSON response with blockchain information.

You can read more on eosio-launcher and its settings here

Running a local node connected to the public testnet

To run a local node connected to the public testnet operated by block.one, a script is provided.

cd ~/eos/build/scripts
./start_npnode.sh

This command will use the data folder provided for the instance called testnet_np.

You should see the following response:

Launched eosd.
See testnet_np/stderr.txt for eosd output.
Synching requires at least 8 minutes, depending on network conditions.

To confirm eosd operation and synchronization:

tail -F testnet_np/stderr.txt

To exit tail, use Ctrl-C. During synchronization, you will see log messages similar to:

3439731ms            chain_plugin.cpp:272          accept_block         ] Syncing Blockchain --- Got block: #200000 time: 2017-12-09T07:56:32 producer: initu
3454532ms            chain_plugin.cpp:272          accept_block         ] Syncing Blockchain --- Got block: #210000 time: 2017-12-09T13:29:52 producer: initc

Synchronization is complete when you see log messages similar to:

42467ms            net_plugin.cpp:1245           start_sync           ] Catching up with chain, our last req is 351734, theirs is 351962 peer ip-10-160-11-116:9876
42792ms            chain_controller.cpp:208      _push_block          ] initt #351947 @2017-12-12T22:59:44  | 0 trx, 0 pending, exectime_ms=0
42793ms            chain_controller.cpp:208      _push_block          ] inito #351948 @2017-12-12T22:59:46  | 0 trx, 0 pending, exectime_ms=0
42793ms            chain_controller.cpp:208      _push_block          ] initd #351949 @2017-12-12T22:59:48  | 0 trx, 0 pending, exectime_ms=0

This eosd instance listens on 127.0.0.1:8888 for http requests, on all interfaces at port 9877 for p2p requests, and includes the wallet plugins.

Doxygen documentation

You can find more detailed API documentation in the Doxygen reference. For the master branch: https://eosio.github.io/eos/ For the public testnet branch: http://htmlpreview.github.io/?https://github.com/EOSIO/eos/blob/dawn-2.x/docs/index.html

Running EOS in Docker

You can find up to date information about EOS Docker in the Docker Readme

Manual installation of the dependencies

If you prefer to manually build dependencies, follow the steps below.

This project is written primarily in C++14 and uses CMake as its build system. An up-to-date Clang and the latest version of CMake is recommended.

Dependencies:

Clang 4.0.0
CMake 3.5.1
Boost 1.66
OpenSSL
LLVM 4.0
secp256k1-zkp (Cryptonomex branch)

Clean install Amazon 2017.09 and higher

Install the development toolkit:

sudo yum update
sudo yum install git gcc72.x86_64 gcc72-c++.x86_64 autoconf automake libtool make bzip2 \
				 bzip2-devel.x86_64 openssl-devel.x86_64 gmp.x86_64 gmp-devel.x86_64 \
				 libstdc++72.x86_64 python36-devel.x86_64 libedit-devel.x86_64 \
				 ncurses-devel.x86_64 swig.x86_64 gettext-devel.x86_64

Install CMake 3.10.2:

cd ~
curl -L -O https://cmake.org/files/v3.10/cmake-3.10.2.tar.gz
tar xf cmake-3.10.2.tar.gz
rm -f cmake-3.10.2.tar.gz
ln -s cmake-3.10.2/ cmake
cd cmake
./bootstrap
make
sudo make install

Install Boost 1.66:

cd ~
curl -L https://dl.bintray.com/boostorg/release/1.66.0/source/boost_1_66_0.tar.bz2 > boost_1.66.0.tar.bz2
tar xf boost_1.66.0.tar.bz2
echo "export BOOST_ROOT=$HOME/boost_1_66_0" >> ~/.bash_profile
source ~/.bash_profile
cd boost_1_66_0/
./bootstrap.sh "--prefix=$BOOST_ROOT"
./b2 install

Install MongoDB (mongodb.org):

mkdir ${HOME}/opt
cd ${HOME}/opt
curl -OL https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-amazon-3.6.3.tgz
tar xf mongodb-linux-x86_64-amazon-3.6.3.tgz
rm -f mongodb-linux-x86_64-amazon-3.6.3.tgz
ln -s ${HOME}/opt/mongodb-linux-x86_64-amazon-3.6.3/ ${HOME}/opt/mongodb
mkdir ${HOME}/opt/mongodb/data
mkdir ${HOME}/opt/mongodb/log
touch ${HOME}/opt/mongodb/log/mongod.log
		
tee > /dev/null ${HOME}/opt/mongodb/mongod.conf <<mongodconf
systemLog:
 destination: file
 path: ${HOME}/opt/mongodb/log/mongod.log
 logAppend: true
 logRotate: reopen
net:
 bindIp: 127.0.0.1,::1
 ipv6: true
storage:
 dbPath: ${HOME}/opt/mongodb/data
mongodconf

export PATH=${HOME}/opt/mongodb/bin:$PATH
mongod -f ${HOME}/opt/mongodb/mongod.conf

Install mongo-cxx-driver (release/stable):

cd ~
curl -LO https://github.com/mongodb/mongo-c-driver/releases/download/1.9.3/mongo-c-driver-1.9.3.tar.gz
tar xf mongo-c-driver-1.9.3.tar.gz
cd mongo-c-driver-1.9.3
./configure --enable-ssl=openssl --disable-automatic-init-and-cleanup --prefix=/usr/local
make -j$( nproc )
sudo make install
git clone https://github.com/mongodb/mongo-cxx-driver.git --branch releases/stable --depth 1
cd mongo-cxx-driver/build
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local ..
sudo make -j$( nproc )

Install secp256k1-zkp (Cryptonomex branch):

cd ~
git clone https://github.com/cryptonomex/secp256k1-zkp.git
cd secp256k1-zkp
./autogen.sh
./configure
make -j$( nproc )
sudo make install

By default LLVM and clang do not include the WASM build target, so you will have to build it yourself:

mkdir  ~/wasm-compiler
cd ~/wasm-compiler
git clone --depth 1 --single-branch --branch release_40 https://github.com/llvm-mirror/llvm.git
cd llvm/tools
git clone --depth 1 --single-branch --branch release_40 https://github.com/llvm-mirror/clang.git
cd ..
mkdir build
cd build
cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=.. -DLLVM_TARGETS_TO_BUILD= -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly -DCMAKE_BUILD_TYPE=Release ../
make -j$( nproc ) 
make install

Your environment is set up. Now you can build EOS and run a node.

Clean install Centos 7 and higher

Install the development toolkit:

Installation on Centos requires installing/enabling the Centos Software Collections Repository. Centos SCL:

sudo yum --enablerepo=extras install centos-release-scl
sudo yum update
sudo yum install -y devtoolset-7
scl enable devtoolset-7 bash
sudo yum install -y python33.x86_64
scl enable python33 bash
sudo yum install git autoconf automake libtool make bzip2 \
				 bzip2-devel.x86_64 openssl-devel.x86_64 gmp-devel.x86_64 \
				 ocaml.x86_64 doxygen libicu-devel.x86_64 python-devel.x86_64 \
				 gettext-devel.x86_64

Install CMake 3.10.2:

cd ~
curl -L -O https://cmake.org/files/v3.10/cmake-3.10.2.tar.gz
tar xf cmake-3.10.2.tar.gz
cd cmake-3.10.2
./bootstrap
make -j$( nproc )
sudo make install

Install Boost 1.66:

cd ~
curl -L https://dl.bintray.com/boostorg/release/1.66.0/source/boost_1_66_0.tar.bz2 > boost_1.66.0.tar.bz2
tar xf boost_1.66.0.tar.bz2
echo "export BOOST_ROOT=$HOME/boost_1_66_0" >> ~/.bash_profile
source ~/.bash_profile
cd boost_1_66_0/
./bootstrap.sh "--prefix=$BOOST_ROOT"
./b2 install

Install MongoDB (mongodb.org):

mkdir ${HOME}/opt
cd ${HOME}/opt
curl -OL https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-amazon-3.6.3.tgz
tar xf mongodb-linux-x86_64-amazon-3.6.3.tgz
rm -f mongodb-linux-x86_64-amazon-3.6.3.tgz
ln -s ${HOME}/opt/mongodb-linux-x86_64-amazon-3.6.3/ ${HOME}/opt/mongodb
mkdir ${HOME}/opt/mongodb/data
mkdir ${HOME}/opt/mongodb/log
touch ${HOME}/opt/mongodb/log/mongod.log
		
tee > /dev/null ${HOME}/opt/mongodb/mongod.conf <<mongodconf
systemLog:
 destination: file
 path: ${HOME}/opt/mongodb/log/mongod.log
 logAppend: true
 logRotate: reopen
net:
 bindIp: 127.0.0.1,::1
 ipv6: true
storage:
 dbPath: ${HOME}/opt/mongodb/data
mongodconf

export PATH=${HOME}/opt/mongodb/bin:$PATH
mongod -f ${HOME}/opt/mongodb/mongod.conf

Install mongo-cxx-driver (release/stable):

cd ~
curl -LO https://github.com/mongodb/mongo-c-driver/releases/download/1.9.3/mongo-c-driver-1.9.3.tar.gz
tar xf mongo-c-driver-1.9.3.tar.gz
cd mongo-c-driver-1.9.3
./configure --enable-ssl=openssl --disable-automatic-init-and-cleanup --prefix=/usr/local
make -j$( nproc )
sudo make install
git clone https://github.com/mongodb/mongo-cxx-driver.git --branch releases/stable --depth 1
cd mongo-cxx-driver/build
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local ..
sudo make -j$( nproc )

Install secp256k1-zkp (Cryptonomex branch):

cd ~
git clone https://github.com/cryptonomex/secp256k1-zkp.git
cd secp256k1-zkp
./autogen.sh
./configure
make -j$( nproc )
sudo make install

By default LLVM and clang do not include the WASM build target, so you will have to build it yourself:

mkdir  ~/wasm-compiler
cd ~/wasm-compiler
git clone --depth 1 --single-branch --branch release_40 https://github.com/llvm-mirror/llvm.git
cd llvm/tools
git clone --depth 1 --single-branch --branch release_40 https://github.com/llvm-mirror/clang.git
cd ..
mkdir build
cd build
cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=.. -DLLVM_TARGETS_TO_BUILD= -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly 
-DLLVM_ENABLE_RTTI=1 -DCMAKE_BUILD_TYPE=Release ../
make -j$( nproc ) 
make install

Your environment is set up. Now you can build EOS and run a node.

Clean install Fedora 25 and higher

Install the development toolkit:

sudo yum update
sudo yum install git gcc.x86_64 gcc-c++.x86_64 autoconf automake libtool make cmake.x86_64 \
				 bzip2-devel.x86_64 openssl-devel.x86_64 gmp-devel.x86_64 \
				 libstdc++-devel.x86_64 python3-devel.x86_64 libedit.x86_64 \
				 mongodb.x86_64 mongodb-server.x86_64 ncurses-devel.x86_64 \
				 swig.x86_64 gettext-devel.x86_64

Install Boost 1.66:

cd ~
curl -L https://dl.bintray.com/boostorg/release/1.66.0/source/boost_1_66_0.tar.bz2 > boost_1.66.0.tar.bz2
tar xf boost_1.66.0.tar.bz2
echo "export BOOST_ROOT=$HOME/boost_1_66_0" >> ~/.bash_profile
source ~/.bash_profile
cd boost_1_66_0/
./bootstrap.sh "--prefix=$BOOST_ROOT"
./b2 install

Install mongo-cxx-driver (release/stable):

cd ~
curl -LO https://github.com/mongodb/mongo-c-driver/releases/download/1.9.3/mongo-c-driver-1.9.3.tar.gz
tar xf mongo-c-driver-1.9.3.tar.gz
cd mongo-c-driver-1.9.3
./configure --enable-ssl=openssl --disable-automatic-init-and-cleanup --prefix=/usr/local
make -j$( nproc )
sudo make install
git clone https://github.com/mongodb/mongo-cxx-driver.git --branch releases/stable --depth 1
cd mongo-cxx-driver/build
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local ..
sudo make -j$( nproc )

Install secp256k1-zkp (Cryptonomex branch):

cd ~
git clone https://github.com/cryptonomex/secp256k1-zkp.git
cd secp256k1-zkp
./autogen.sh
./configure
make -j$( nproc )
sudo make install

By default LLVM and clang do not include the WASM build target, so you will have to build it yourself:

mkdir  ~/wasm-compiler
cd ~/wasm-compiler
git clone --depth 1 --single-branch --branch release_40 https://github.com/llvm-mirror/llvm.git
cd llvm/tools
git clone --depth 1 --single-branch --branch release_40 https://github.com/llvm-mirror/clang.git
cd ..
mkdir build
cd build
cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=.. -DLLVM_TARGETS_TO_BUILD= -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly -DCMAKE_BUILD_TYPE=Release ../
make -j$( nproc ) install

Your environment is set up. Now you can build EOS and run a node.

Clean install Ubuntu 16.04 & Linux Mint 18

Install the development toolkit:

sudo apt-get update
wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key|sudo apt-key add -
sudo apt-get install clang-4.0 lldb-4.0 libclang-4.0-dev cmake make \
                     libbz2-dev libssl-dev libgmp3-dev \
                     autotools-dev build-essential \
                     libbz2-dev libicu-dev python-dev \
                     autoconf libtool git mongodb

Install Boost 1.66:

cd ~
wget -c 'https://sourceforge.net/projects/boost/files/boost/1.66.0/boost_1_66_0.tar.bz2/download' -O boost_1.66.0.tar.bz2
tar xjf boost_1.66.0.tar.bz2
cd boost_1_66_0/
echo "export BOOST_ROOT=$HOME/boost_1_66_0" >> ~/.bash_profile
source ~/.bash_profile
./bootstrap.sh "--prefix=$BOOST_ROOT"
./b2 install
source ~/.bash_profile

Install mongo-cxx-driver (release/stable):

cd ~
curl -LO https://github.com/mongodb/mongo-c-driver/releases/download/1.9.3/mongo-c-driver-1.9.3.tar.gz
tar xf mongo-c-driver-1.9.3.tar.gz
cd mongo-c-driver-1.9.3
./configure --enable-ssl=openssl --disable-automatic-init-and-cleanup --prefix=/usr/local
make -j$( nproc )
sudo make install
git clone https://github.com/mongodb/mongo-cxx-driver.git --branch releases/stable --depth 1
cd mongo-cxx-driver/build
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local ..
sudo make -j$( nproc )

Install secp256k1-zkp (Cryptonomex branch):

cd ~
git clone https://github.com/cryptonomex/secp256k1-zkp.git
cd secp256k1-zkp
./autogen.sh
./configure
make
sudo make install

By default LLVM and clang do not include the WASM build target, so you will have to build it yourself:

mkdir  ~/wasm-compiler
cd ~/wasm-compiler
git clone --depth 1 --single-branch --branch release_40 https://github.com/llvm-mirror/llvm.git
cd llvm/tools
git clone --depth 1 --single-branch --branch release_40 https://github.com/llvm-mirror/clang.git
cd ..
mkdir build
cd build
cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=.. -DLLVM_TARGETS_TO_BUILD= -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly -DCMAKE_BUILD_TYPE=Release ../
make -j4 install

Your environment is set up. Now you can build EOS and run a node.

MacOS Sierra 10.12.6 & higher

macOS additional Dependencies:

Brew
Newest XCode
MongoDB C++ driver

Upgrade your XCode to the newest version:

xcode-select --install

Install homebrew:

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Install the dependencies:

brew update
brew install git automake libtool cmake boost [email protected] llvm@4 gmp ninja gettext mongodb
brew link gettext --force

Install mongo-cxx-driver (release/stable):

cd ~
brew install --force pkgconfig
brew unlink pkgconfig && brew link --force pkgconfig
curl -LO https://github.com/mongodb/mongo-c-driver/releases/download/1.9.3/mongo-c-driver-1.9.3.tar.gz
tar xf mongo-c-driver-1.9.3.tar.gz
rm -f mongo-c-driver-1.9.3.tar.gz
cd mongo-c-driver-1.9.3
./configure --enable-ssl=darwin --disable-automatic-init-and-cleanup --prefix=/usr/local
make -j$( sysctl -in machdep.cpu.core_count )
sudo make install
cd ..
rm -rf mongo-c-driver-1.9.3

git clone https://github.com/mongodb/mongo-cxx-driver.git --branch releases/stable --depth 1
cd mongo-cxx-driver/build
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local ..
make -j$( sysctl -in machdep.cpu.core_count )
sudo make install
cd ..
rm -rf mongo-cxx-driver

Install secp256k1-zkp (Cryptonomex branch):

cd ~
git clone https://github.com/cryptonomex/secp256k1-zkp.git
cd secp256k1-zkp
./autogen.sh
./configure
make -j$( sysctl -in machdep.cpu.core_count )
sudo make install

Build LLVM and clang for WASM:

mkdir  ~/wasm-compiler
cd ~/wasm-compiler
git clone --depth 1 --single-branch --branch release_40 https://github.com/llvm-mirror/llvm.git
cd llvm/tools
git clone --depth 1 --single-branch --branch release_40 https://github.com/llvm-mirror/clang.git
cd ..
mkdir build
cd build
cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=.. -DLLVM_TARGETS_TO_BUILD= -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly -DCMAKE_BUILD_TYPE=Release ../
make -j$( sysctl -in machdep.cpu.core_count )
make install

Your environment is set up. Now you can build EOS and run a node.

Name		Name	Last commit message	Last commit date
Latest commit History 3,945 Commits
CMakeModules		CMakeModules
Docker		Docker
contracts		contracts
debian		debian
docs		docs
externals		externals
libraries		libraries
plugins		plugins
programs		programs
scripts		scripts
tests		tests
tools		tools
.gitignore		.gitignore
.gitlab-ci.yml		.gitlab-ci.yml
.gitmodules		.gitmodules
CMakeLists.txt		CMakeLists.txt
Doxyfile		Doxyfile
HEADER		HEADER
Jenkinsfile		Jenkinsfile
LICENSE.txt		LICENSE.txt
README.md		README.md
circle.yml		circle.yml
eos-logo.png		eos-logo.png
eos.doxygen.in		eos.doxygen.in
eosio_build.sh		eosio_build.sh
genesis.json		genesis.json
mesh.dot		mesh.dot
mesh.png		mesh.png
ring.dot		ring.dot
ring.png		ring.png
star.dot		star.dot
star.png		star.png
testnet-diagrams.sh		testnet-diagrams.sh
testnet.md		testnet.md
testnet.template		testnet.template

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EOS.IO - The Most Powerful Infrastructure for Decentralized Applications

Supported Operating Systems

Resources

Table of contents

Getting Started

Setting up a build/development environment

Automated build script

⛔ Clean install Linux (Amazon, Centos, Fedora, Mint, & Ubuntu) for a local testnet ⛔

Clean install Linux (Amazon, Centos, Fedora, Mint, & Ubuntu) for the public testnet

⛔ MacOS for a local testnet ⛔

MacOS for the public testnet

Building EOS and running a node

Getting the code

Building from source code

Creating and launching a single-node testnet

Next Steps

Example "Currency" Contract Walkthrough

Example smart contracts

Setting up a wallet and importing account key

Creating accounts for sample "currency" contract

Upload sample "currency" contract to blockchain

Transfering funds with the sample "currency" contract

Reading sample "currency" contract balance

Running multi-node local testnet

Running a local node connected to the public testnet

Doxygen documentation

Running EOS in Docker

Manual installation of the dependencies

Clean install Amazon 2017.09 and higher

Clean install Centos 7 and higher

Clean install Fedora 25 and higher

Clean install Ubuntu 16.04 & Linux Mint 18

MacOS Sierra 10.12.6 & higher

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