63 lines
1.7 KiB
Rust
63 lines
1.7 KiB
Rust
use std::str::FromStr;
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use regex::Regex;
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use secp256k1::SecretKey;
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use web3::{
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signing::Key,
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types::Address,
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};
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use crate::errors::ValidationError;
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pub fn key_to_ethereum_address(private_key: &SecretKey) -> Address {
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private_key.address()
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}
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#[derive(thiserror::Error, Debug)]
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#[error("address error")]
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pub struct AddressError;
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pub fn parse_address(address: &str) -> Result<Address, AddressError> {
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Address::from_str(address).map_err(|_| AddressError)
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}
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/// Converts address object to lowercase hex string
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pub fn address_to_string(address: Address) -> String {
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format!("{:#x}", address)
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}
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pub fn validate_ethereum_address(
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wallet_address: &str,
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) -> Result<(), ValidationError> {
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let address_regexp = Regex::new(r"^0x[a-fA-F0-9]{40}$").unwrap();
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if !address_regexp.is_match(wallet_address) {
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return Err(ValidationError("invalid address"));
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};
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// Address should be lowercase
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if wallet_address.to_lowercase() != wallet_address {
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return Err(ValidationError("address is not lowercase"));
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};
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Ok(())
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_validate_ethereum_address() {
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let result_1 = validate_ethereum_address("0xab5801a7d398351b8be11c439e05c5b3259aec9b");
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assert_eq!(result_1.is_ok(), true);
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let result_2 = validate_ethereum_address("ab5801a7d398351b8be11c439e05c5b3259aec9b");
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assert_eq!(
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result_2.err().unwrap().to_string(),
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"invalid address",
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);
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let result_3 = validate_ethereum_address("0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B");
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assert_eq!(
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result_3.err().unwrap().to_string(),
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"address is not lowercase",
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);
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}
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}
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