#account #toolkit #blockchain #coin #price #connection #web3

app w3kit

A toolkit for several blockchains

3 releases

0.1.5 Feb 7, 2023
0.1.4 Feb 6, 2023

#22 in #coin

22 downloads per month

MIT license

32KB
317 lines

🕹 w3kit: a web3 toolkit in rust


tl;dr

🛠 this package contains an ongoing crate with a set of scripts for several blockchains (check it at crates.io).
📚 for a fun in-depth reading about rust, check my mirror post w3kit: a web3 toolkit in rust.
💡 for a rusty boilerplate for running stat searchers, check coingator.





installation


as a package


cargo install w3kit

for development


to build the library from this GitHub repository you can run:

make build

note that all cargo commands relevant to this work are encoded in the Makefile.


setup


create an .env file:

cp .env.example .env
vim .env

then add the config for the desired chain:

PROVIDER_URL_WS=
PROVIDER_URL_HTTP=


ethereum


connection to the chain


through an http connection:
> w3kit http -b ethereum

✅ connecting to "ethereum"
✅ current block: 16572583

through a websocket connection:
> w3kit ws -b ethereum

✅ connecting to "ethereum"
✅ current block: 16572598

retrieving an account data

> w3kit account -b ethereum -a 0xbA4C081942E6a25cAF87c5489B91b449c67f3078

✅ connecting to "ethereum"
✅ fetching account info: "0xbA4C081942E6a25cAF87c5489B91b449c67f3078"
✅ retrieving balances...
      💰 account 0xba4c081942e6a25caf87c5489b91b449c67f3078 👉 0.0672775267238201 ETH

retrieving a coin price

>  w3kit coin ethereum

✅ fetching coin info: "ethereum"
✅ fetching price for ethereum in usd
✅ GET https://api.coingecko.com/api/v3/simple/price?ids=ethereum&vs_currencies=usd
      💰 ethereum price 👉 {"ethereum":{"usd":1623.04}}


arbitrum


connection to the chain


through an http connection:
> w3kit http -b arbitrum 

through a websocket connection:
> w3kit ws -b arbitrum 

retrieving an account data

> w3kit account -b arbitrum -a <account>


avalanche


connection to the chain


through an http connection:
> w3kit http -b avalanche 

through a websocket connection:
> w3kit ws -b avalanche

retrieving an account data

> w3kit account -b avalanche -a <account>


near


connection to the chain


through an http connection:
> w3kit http -b near

through a websocket connection:
> w3kit ws -b near

retrieving an account data

> w3kit account -b near -a <account>


optimism


connection to the chain


through an http connection:
> w3kit http -b optimism

through a websocket connection:
> w3kit ws -b optimism

retrieving an account data

> w3kit account -b optimism -a <account>


polygon


connection to the chain


through an http connection:
> w3kit http -b polygon

through a websocket connection:
> w3kit ws -b polygon

retrieving an account data

> w3kit account -b polygon -a <account>


solana


connection to the chain


through an http connection:
> w3kit http -b solana -a 

through a websocket connection:
> w3kit ws -b solana -a 

retrieving an account data

> w3kit account -b solana -a <account>

Dependencies

~26–43MB
~713K SLoC