93 lines
4.4 KiB
TypeScript
93 lines
4.4 KiB
TypeScript
|
import { Chain } from '__tests__/utils/chain';
|
||
|
import { mockInjector } from '__tests__/utils/mock-injector';
|
||
|
import { TOKENS as ALL_TOKENS } from '__tests__/utils/tokens';
|
||
|
import BigNumber from 'bignumber.js';
|
||
|
import { PriceTokenAmount } from 'src/common/tokens/price-token-amount';
|
||
|
import { PriceToken } from 'src/common/tokens/price-token';
|
||
|
import { UniSwapV2EthereumProvider } from 'src/features/on-chain/calculation-manager/providers/dexes/ethereum/uni-swap-v2-ethereum/uni-swap-v2-ethereum-provider';
|
||
|
import { UniSwapV2EthereumTrade } from 'src/features/on-chain/calculation-manager/providers/dexes/ethereum/uni-swap-v2-ethereum/uni-swap-v2-ethereum-trade';
|
||
|
import { UNISWAP_V2_ETHEREUM_PROVIDER_CONFIGURATION } from 'src/features/on-chain/calculation-manager/providers/dexes/ethereum/uni-swap-v2-ethereum/constants';
|
||
|
import { BLOCKCHAIN_NAME } from 'src/core/blockchain/models/blockchain-name';
|
||
|
|
||
|
const TOKENS = ALL_TOKENS[BLOCKCHAIN_NAME.ETHEREUM];
|
||
|
|
||
|
export const uniswapV2ProviderSpec = () =>
|
||
|
describe('Uniswap V2 provider tests', () => {
|
||
|
let uniswapV2Provider: UniSwapV2EthereumProvider;
|
||
|
|
||
|
beforeAll(async () => {
|
||
|
uniswapV2Provider = new UniSwapV2EthereumProvider();
|
||
|
});
|
||
|
|
||
|
beforeEach(async () => {
|
||
|
const chain = await Chain.reset(BLOCKCHAIN_NAME.ETHEREUM);
|
||
|
const configuration = await chain.getConfiguration();
|
||
|
await mockInjector(configuration);
|
||
|
});
|
||
|
|
||
|
test('Initialize values', () => {
|
||
|
expect(uniswapV2Provider.blockchain).toBe(BLOCKCHAIN_NAME.ETHEREUM);
|
||
|
expect(typeof uniswapV2Provider.UniswapV2TradeClass).toBe(
|
||
|
typeof UniSwapV2EthereumTrade
|
||
|
);
|
||
|
expect(uniswapV2Provider.providerSettings).toBe(
|
||
|
UNISWAP_V2_ETHEREUM_PROVIDER_CONFIGURATION
|
||
|
);
|
||
|
});
|
||
|
|
||
|
test('Must calculate correct NATIVE-ERC20 trade with simple path.', async () => {
|
||
|
const expectedToTokensAmount = 3173.460947; // constant data about tokens rate in 13961175 block
|
||
|
const from = await PriceTokenAmount.createFromToken({
|
||
|
...TOKENS.ETH,
|
||
|
tokenAmount: new BigNumber(1)
|
||
|
});
|
||
|
const to = await PriceToken.createFromToken(TOKENS.USDT);
|
||
|
|
||
|
const trade = await uniswapV2Provider.calculate(from, to, {
|
||
|
gasCalculation: 'disabled'
|
||
|
});
|
||
|
|
||
|
expect(trade.to.tokenAmount.isEqualTo(expectedToTokensAmount)).toBeTruthy();
|
||
|
expect(trade.path.length).toBe(2);
|
||
|
expect(trade.path[0].address).toBe(TOKENS.ETH.address);
|
||
|
expect(trade.path[1].address).toBe(TOKENS.USDT.address);
|
||
|
}, 400_000);
|
||
|
|
||
|
test('Must calculate correct ERC20-NATIVE trade with simple path.', async () => {
|
||
|
const expectedToTokensAmount = '0.000313213011396446'; // constant data about tokens rate in 13961175 block
|
||
|
const from = await PriceTokenAmount.createFromToken({
|
||
|
...TOKENS.USDT,
|
||
|
tokenAmount: new BigNumber(1)
|
||
|
});
|
||
|
const to = await PriceToken.createFromToken(TOKENS.ETH);
|
||
|
|
||
|
const trade = await uniswapV2Provider.calculate(from, to, {
|
||
|
gasCalculation: 'disabled'
|
||
|
});
|
||
|
|
||
|
expect(trade.to.tokenAmount.isEqualTo(expectedToTokensAmount)).toBeTruthy();
|
||
|
expect(trade.path.length).toBe(2);
|
||
|
expect(trade.path[0].address).toBe(TOKENS.USDT.address);
|
||
|
expect(trade.path[1].address).toBe(TOKENS.ETH.address);
|
||
|
}, 400_000);
|
||
|
|
||
|
test('Must calculate correct ERC20-ERC20 trade with simple path.', async () => {
|
||
|
const expectedToTokensAmount = '4.557092512974888195'; // constant data about tokens rate in 13961175 block
|
||
|
const from = await PriceTokenAmount.createFromToken({
|
||
|
...TOKENS.USDT,
|
||
|
tokenAmount: new BigNumber(1)
|
||
|
});
|
||
|
const to = await PriceToken.createFromToken(TOKENS.RBC);
|
||
|
|
||
|
const trade = await uniswapV2Provider.calculate(from, to, {
|
||
|
gasCalculation: 'disabled'
|
||
|
});
|
||
|
|
||
|
expect(trade.to.tokenAmount.isEqualTo(expectedToTokensAmount)).toBeTruthy();
|
||
|
expect(trade.path.length).toBe(3);
|
||
|
expect(trade.path[0].address).toBe(TOKENS.USDT.address);
|
||
|
expect(trade.path[1].address).toBe(TOKENS.WETH.address);
|
||
|
expect(trade.path[2].address).toBe(TOKENS.RBC.address);
|
||
|
}, 400_000);
|
||
|
});
|