1a8e0f102c
Remove dead_code check and leftover file after a merge Improve some docstrings --- don't change below this line --- ENG-4087 Took 1 hour 39 minutes
53 lines
1.8 KiB
Rust
53 lines
1.8 KiB
Rust
use alloy_primitives::{aliases::U24, Address, Keccak256, U256};
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use num_bigint::BigUint;
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use tycho_core::Bytes;
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use crate::encoding::errors::EncodingError;
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/// Safely converts a `Bytes` object to an `Address` object.
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///
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/// Checks the length of the `Bytes` before attempting to convert, and returns an `EncodingError`
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/// if not 20 bytes long.
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pub fn bytes_to_address(address: &Bytes) -> Result<Address, EncodingError> {
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if address.len() == 20 {
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Ok(Address::from_slice(address))
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} else {
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Err(EncodingError::InvalidInput(format!("Invalid address: {:?}", address)))
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}
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}
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pub fn biguint_to_u256(value: &BigUint) -> U256 {
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let bytes = value.to_bytes_be();
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U256::from_be_slice(&bytes)
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}
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pub fn encode_input(selector: &str, mut encoded_args: Vec<u8>) -> Vec<u8> {
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let mut hasher = Keccak256::new();
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hasher.update(selector.as_bytes());
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let selector_bytes = &hasher.finalize()[..4];
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let mut call_data = selector_bytes.to_vec();
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// Remove extra prefix if present (32 bytes for dynamic data)
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// Alloy encoding is including a prefix for dynamic data indicating the offset or length
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// but at this point we don't want that
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if encoded_args.len() > 32 &&
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encoded_args[..32] ==
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[0u8; 31]
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.into_iter()
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.chain([32].to_vec())
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.collect::<Vec<u8>>()
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{
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encoded_args = encoded_args[32..].to_vec();
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}
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call_data.extend(encoded_args);
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call_data
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}
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/// Converts a decimal to a `U24` value. The percentage is a `f64` value between 0 and 1.
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/// MAX_UINT24 corresponds to 100%.
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pub fn percentage_to_uint24(decimal: f64) -> U24 {
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const MAX_UINT24: u32 = 16_777_215; // 2^24 - 1
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let scaled = (decimal / 1.0) * (MAX_UINT24 as f64);
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U24::from(scaled.round())
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}
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