Lamden Documentation

Estimation Script Installation 🔗︎

This script is used for estimating stamps cost of a transaction and serves a socket server to communicate with Lamden Block Service. Installing this script can ensure endpoint /stamps/estimation works. You can find it at here.

Preparation 🔗︎

  1. Mongodb(version > 4.0)
  2. python 3.6.x (should come with UBUNTU 18.04)
  3. poetry installed. poetry is a package manager tool. More detail click here
    curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python -
    source $HOME/.poetry/env

Install Dependancies 🔗︎

  1. pip3
    sudo apt-get update
    sudo apt-get -y install python3-pip
  1. python setuptools
    pip3 install setuptools
  1. lamden contracting
    cd ~
    git clone https://github.com/Lamden/contracting.git
    cd contracting
    git checkout blockservice-driver
    python3 ./setup.py develop

Install 🔗︎

You should make sure that poetry and python have been installed.

git clone https://github.com/Lamden/stamp_estimation_script.git 

cd stamp_estimation_script/

poetry install # Installing dependences.

Config 🔗︎

There are two config files: config.ini(for production) and config.dev.ini(for development) which are used to configure mongodb and socket server. Please edit them to ensure that script works. 

# mongo config
[mongo]
conn=mongodb://user:[email protected]:27017 # mongo connection string.
database=testnet-blockservice  # mongo database name.  
collection=currentState  # Collection name.

# socket config
[socket]
host=localhost # host address
port=3232    # port number

Run 🔗︎

poetry run python ./setup.py # Default use config.dev.ini

PYTHON_ENV="production" poetry run python ./setup.py # Will use config.ini