97 lines
2.7 KiB
Rust
97 lines
2.7 KiB
Rust
use regex::Regex;
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use crate::errors::{ConversionError, ValidationError};
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use super::caip2::ChainId;
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#[derive(Debug, PartialEq)]
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pub enum Currency {
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Ethereum,
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Monero,
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}
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impl Currency {
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fn code(&self) -> String {
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match self {
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Self::Ethereum => "ETH",
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Self::Monero => "XMR",
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}.to_string()
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}
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pub fn field_name(&self) -> String {
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format!("${}", self.code())
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}
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pub fn normalize_address(&self, address: &str) -> String {
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match self {
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Self::Ethereum => address.to_lowercase(),
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Self::Monero => address.to_string(),
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}
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}
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}
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impl TryFrom<&ChainId> for Currency {
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type Error = ConversionError;
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fn try_from(value: &ChainId) -> Result<Self, Self::Error> {
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let currency = match value.namespace.as_str() {
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"eip155" => Self::Ethereum,
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"monero" => Self::Monero, // not standard
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_ => return Err(ConversionError),
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};
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Ok(currency)
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}
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}
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pub fn validate_wallet_address(
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currency: &Currency,
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wallet_address: &str,
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) -> Result<(), ValidationError> {
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match currency {
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Currency::Ethereum => {
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// Address should be lowercase
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let address_regexp = Regex::new(r"^0x[a-f0-9]{40}$").unwrap();
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if !address_regexp.is_match(wallet_address) {
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return Err(ValidationError("address is not lowercase"));
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};
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},
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Currency::Monero => (), // no validation
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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_chain_id_conversion() {
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let ethereum_chain_id = ChainId::ethereum_mainnet();
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let currency = Currency::try_from(ðereum_chain_id).unwrap();
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assert_eq!(currency, Currency::Ethereum);
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let monero_chain_id = ChainId {
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namespace: "monero".to_string(),
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reference: "mainnet".to_string(),
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};
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let currency = Currency::try_from(&monero_chain_id).unwrap();
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assert_eq!(currency, Currency::Monero);
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}
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#[test]
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fn test_get_currency_field_name() {
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let ethereum = Currency::Ethereum;
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assert_eq!(ethereum.field_name(), "$ETH");
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}
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#[test]
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fn test_validate_wallet_address() {
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let ethereum = Currency::Ethereum;
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let result_1 = validate_wallet_address(ðereum, "0xab5801a7d398351b8be11c439e05c5b3259aec9b");
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assert_eq!(result_1.is_ok(), true);
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let result_2 = validate_wallet_address(ðereum, "ab5801a7d398351b8be11c439e05c5b3259aec9b");
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assert_eq!(result_2.is_ok(), false);
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let result_3 = validate_wallet_address(ðereum, "0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B");
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assert_eq!(result_3.is_ok(), false);
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}
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}
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