General development information

This page contains general information about development such as languages, libraries and tools we use

Frontend

Javascript (vanilla)
React
CSS
HTML
JSON

Blockchain

Solidity

Others

MarkDown (MD for simple documents)
YAML (Docker images and Github Actions)

Web3 (Javascript)

NPM version by official dev team web3 - npm (npmjs.com)

Browser version (named Web3Browser) by EthereansOS dev team dfo-hub/web3.min.js at master · b-u-i-d-l/dfo-hub (github.com)

A multi utility library to:

Communicate with Ethereum Wallet custodian apps (e.g.Metamask/Ganache) for signing messages and transactions to be sent on the Ethereum Blockchain;
Communicate with Ethereum Blockchain Nodes via HTTP/WS protocols, using JSON-RPC methods, to send transactions and retrieve info (e.g. Smart Contract Calls/Events) by the Ethereum blockchain;
Access all utility methods to operate with Smart Contracts and Transactions (e.g. Big Numbers Math Operations/Conversions, Hashes).

EthersJS (Javascript)

@typechain/ethers-v5 - npm (npmjs.com)

A Javascript library to manage Ethereum ABI v2 Encode and Decode Routines

Monaco editor (Javascript)

NPM version by official dev team monaco-editor - npm (npmjs.com)

Browser version by EthereansOS dev team dfo-hub/assets/plugins/monaco.editor at master · b-u-i-d-l/dfo-hub (github.com)

A on-line visual code editor for on-the-fly code and compilation of Smart Contracts.

SolidityUtilities by EtheransOS (Javascript)

dfo-hub/solidity.utilities.min.js at master · b-u-i-d-l/dfo-hub (github.com)

A toolset for Dapps that can be used directly in browser to easily:

Fetch, Download and manage different versions of the Javascript Solidity Compiler binaries;
Compile Smart Contracts;
Compare Solidity source Code and Smart Contract binaries;
Retrieve Solidity Version by already-on-chain Smart Contract address.

Ganache-Core (Javascript)

NPM version by official dev team ganache-core - npm (npmjs.com)

Browser version by EthereansOS dev team b-u-i-d-l/ganache-browser: Run Ganache instance directly in Browser (github.com)

A Ethereum Blockchain Node with forking capabilities to easily develop and test Smart Contracts and Dapps

Mocha (Javascript)

Mocha - the fun, simple, flexible JavaScript test framework (mochajs.org)

A tool to easily manage Javascript tests and prototypes

Solidity Version Manager by EthereansOS (Javascript/CLI)

vasapower/solc-vm: Wrapper for different solc versions (github.com)

A simple Solidity Version Manager to easily download and manage different versions of the official C++ Solidity Compiler Binaries

EthereansOS Test Suite (Javascript)

ETHITEM/util at main · b-u-i-d-l/ETHITEM (github.com)

A set of tools to easily compile, run and test general purpose Smart Contracts, DFOs and related Proposals in a forked Ethereum Mainnet Blockchain in order to obtain Dapps which source code works with a fidelity tending to 100% with the real final execution environment for both on-chain and off-chain sides.