🪙Token Services

Token Data

Dequanto includes JSONs with >5000 popular tokens - names, addresses, chains, decimals.

import { TokensService } from '@dequanto/tokens/TokensService';

let service = new TokensService('eth');
let usdc = await service.getKnownToken('USDC');

console.log(usdc);

/* output
{
  symbol: 'USDC',
  name: 'USD Coin',
  platform: 'eth',
  address: '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48',
  decimals: 6
}
*/

        

ERC20 Contracts

Ready to use strongly-typed erc20 contract class.

import { TokensService } from '@dequanto/tokens/TokensService';

let service = new TokensService('eth');
let usdc = await service.erc20('USDC');

let balance: bigint = await usdc.balanceOf('0x....')

Token Price

An article regarding token prices - get-token-price-at-a-specific-block-onchain🔗

Token Swap

See TokenSwapService🔗 for details.

Paraswap is implemented as the default exchange

import { TokenSwapService } from '@dequanto/tokens/TokenSwapService'
import { EthWeb3Client } from '@dequanto/clients/EthWeb3Client';

let client = new EthWeb3Client();
let exchange = new TokenSwapService(client);

let account = { key: '' }
let tx = await exchange.swap(account, {
    from: 'USDC',
    to: 'WETH',
    amount: 1000
});
let receipt = await tx.wait();

Token Transfer

Transfer tokens by a specific amount, all or with the remainder.

See TokenTransferService🔗 for details.

import { TokenTransferService} from '@dequanto/tokens/TokenTransferService'
import { EthWeb3Client } from '@dequanto/clients/EthWeb3Client';

let client = new EthWeb3Client();
let service = new TokenTransferService(client);

let account = { key: '' }
let tx = await service.transferAll(account, '0x...', 'USDC');
let receipt = await tx.wait();