95 lines
2.3 KiB
Rust
95 lines
2.3 KiB
Rust
//! ERC-20 Token辅助模块
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use serde::{Deserialize, Serialize};
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/// ERC-20 Token信息
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct ERC20Token {
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/// 合约地址
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pub address: String,
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/// Token符号
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pub symbol: String,
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/// Token名称
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pub name: String,
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/// 小数位数
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pub decimals: u8,
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/// 总供应量
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pub total_supply: Option<u128>,
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}
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impl ERC20Token {
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/// 创建新的ERC-20 Token
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pub fn new(
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address: String,
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symbol: String,
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name: String,
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decimals: u8,
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) -> Self {
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Self {
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address,
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symbol,
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name,
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decimals,
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total_supply: None,
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}
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}
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/// 常见的ERC-20 Token列表
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pub fn common_tokens() -> Vec<ERC20Token> {
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vec![
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ERC20Token::new(
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"0xdac17f958d2ee523a2206206994597c13d831ec7".to_string(),
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"USDT".to_string(),
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"Tether USD".to_string(),
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6,
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),
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ERC20Token::new(
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"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48".to_string(),
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"USDC".to_string(),
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"USD Coin".to_string(),
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6,
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),
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ERC20Token::new(
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"0x6b175474e89094c44da98b954eedeac495271d0f".to_string(),
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"DAI".to_string(),
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"Dai Stablecoin".to_string(),
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18,
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),
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ERC20Token::new(
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"0x2260fac5e5542a773aa44fbcfedf7c193bc2c599".to_string(),
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"WBTC".to_string(),
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"Wrapped BTC".to_string(),
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8,
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),
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]
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}
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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_erc20_token_creation() {
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let token = ERC20Token::new(
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"0x1234...".to_string(),
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"TEST".to_string(),
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"Test Token".to_string(),
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18,
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);
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assert_eq!(token.symbol, "TEST");
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assert_eq!(token.decimals, 18);
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}
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#[test]
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fn test_common_tokens() {
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let tokens = ERC20Token::common_tokens();
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assert!(tokens.len() >= 4);
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let usdt = tokens.iter().find(|t| t.symbol == "USDT");
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assert!(usdt.is_some());
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assert_eq!(usdt.expect("mainnet: handle error").decimals, 6);
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}
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}
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