Call one token balance

rust let provider = Arc::new(Provider::<Http>::connect(rpc).await); let balances = provider.get_erc20_balances(vec![Address::zero()], vec![Address::from_str("0xdAC17F958D2ee523a2206206994597C13D831ec7").unwrap()).await.unwrap();

result: json 0x0000000000000000000000000000000000000000: { 0xdac17f958d2ee523a2206206994597c13d831ec7: 17962155817, }

Call many tokens balance

rust let tokens = vec![ Address::from_str("0xdAC17F958D2ee523a2206206994597C13D831ec7").unwrap(), // USDT Address::from_str("0x6B175474E89094C44Da98b954EedeAC495271d0F").unwrap(), // DAI ] let provider = Arc::new(Provider::<Http>::connect(rpc).await); let balances = provider.get_erc20_balances(vec![Address::zero()], tokens).await.unwrap();

result: json 0x0000000000000000000000000000000000000000: { 0xdac17f958d2ee523a2206206994597c13d831ec7: 17962155817, 0x6b175474e89094c44da98b954eedeac495271d0f: 9234114788971643034663, },

Call many tokens balance with many addresses

rust let tokens = vec![ Address::from_str("0xdAC17F958D2ee523a2206206994597C13D831ec7").unwrap(), // USDT Address::from_str("0x6B175474E89094C44Da98b954EedeAC495271d0F").unwrap(), // DAI ]; let wallets = vec![ Address::zero(), Address::from_str("0xF977814e90dA44bFA03b6295A0616a897441aceC").unwrap(), ]; let provider = Arc::new(Provider::<Http>::connect(rpc).await); let balances = provider.get_erc20_balances(wallets, tokens).await.unwrap();

result: json 0x0000000000000000000000000000000000000000: { 0x6b175474e89094c44da98b954eedeac495271d0f: 9234114788971643034663, 0xdac17f958d2ee523a2206206994597c13d831ec7: 17962155817, }, 0xf977814e90da44bfa03b6295a0616a897441acec: { 0x6b175474e89094c44da98b954eedeac495271d0f: 7000000000000000000000000, 0xdac17f958d2ee523a2206206994597c13d831ec7: 1429615184000000, },