web3-unit-converter

Convert eth unit(wei, gwei, eth) in rust

Getting Started

Adding to your project

cargo add web3-unit-converter

Example Code

```rust use web3unitconverter::Unit;

fn main() { // Convert 1 Wei to ETH let oneweiineth = Unit::Wei(&1u128.tostring()).toethstr().unwrap(); println!("One Wei in ETH is: {}", oneweiin_eth); // One Wei in ETH is: 0.000000000000000001

// Convert 1 Gwei to ETH
let one_gwei_in_eth = Unit::Gwei(&1u128.to_string()).to_eth_str().unwrap();
println!("One Gwei in ETH is: {}", one_gwei_in_eth);
// One Gwei in ETH is: 0.000000001


// Convert 1 Eth to Gwei
let one_eth_in_gwei = Unit::Ether(&1u128.to_string()).to_gwei_str().unwrap();
println!("One ETH in Gwei is: {}", one_eth_in_gwei);
// One ETH in Gwei is: 1000000000


// Convert 1 Gwei to Wei
let one_gwei_in_wei = Unit::Gwei(&1u128.to_string()).to_wei_str().unwrap();
println!("One Gwei in Wei is: {}", one_gwei_in_wei);
// One Gwei in Wei is: 1000000000


// 15 decimals
println!("1.111111111111112 ETH(float, 15 decimals) in Wei is: {}", Unit::Ether(&(1.111111111111112f64).to_string()).to_wei_str().unwrap());
// 1.111111111111112 ETH(float, 15 decimals) in Wei is: 1111111111111112000


// 16 decimals
println!("1.1111111111111112 ETH(float, 16 decimals) in Wei is: {}", Unit::Ether(&(1.1111111111111112f64).to_string()).to_wei_str().unwrap());
// 1.1111111111111112 ETH(float, 16 decimals) in Wei is: 1111111111111111200


// When working with decimal more than 16, remember Not to parse the value from float to string
// f64 only support up to 16 decimals.
// 17 decimals
println!("1.11111111111111112 ETH(float, 17 decimals) in Wei is: {}", Unit::Ether(&(1.11111111111111112f64).to_string()).to_wei_str().unwrap());
// 1.11111111111111112 ETH(float, 17 decimals) in Wei is: 1111111111111111200
// Correct result should be 1111111111111111120


// 18 decimals
println!("1.111111111111111112 ETH(float, 18 decimals) in Wei is: {}", Unit::Ether(&(1.111111111111111112f64).to_string()).to_wei_str().unwrap());
// 1.111111111111111112 ETH(float, 18 decimals) in Wei is: 1111111111111111200
// Correct result should be 1111111111111111112


println!("1.111111111111111112 ETH(string) in Wei is: {}", Unit::Ether("1.111111111111111112").to_wei_str().unwrap());
// 1.111111111111111112 ETH(string) in Wei is: 1111111111111111112

} ```

Running the example

``` $ git clone https://github.com/p0p3yee/rust-web3-unit-converter $ cd rust-web3-unit-converter $ cargo run --example main

One Wei in ETH is: 0.000000000000000001 One Gwei in ETH is: 0.000000001 One ETH in Gwei is: 1000000000 One Gwei in Wei is: 1000000000 1.111111111111112 ETH(float, 15 decimals) in Wei is: 1111111111111112000 1.1111111111111112 ETH(float, 16 decimals) in Wei is: 1111111111111111200 1.11111111111111112 ETH(float, 17 decimals) in Wei is: 1111111111111111200 1.111111111111111112 ETH(float, 18 decimals) in Wei is: 1111111111111111200 1.111111111111111112 ETH(string) in Wei is: 1111111111111111112 ```