rubic-sdk
Version:
Simplify dApp creation
184 lines • 9.3 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.OneinchAbstractProvider = void 0;
const bignumber_js_1 = __importDefault(require("bignumber.js"));
const errors_1 = require("../../../../../../../common/errors");
const tokens_1 = require("../../../../../../../common/tokens");
const native_tokens_1 = require("../../../../../../../common/tokens/constants/native-tokens");
const decorators_1 = require("../../../../../../../common/utils/decorators");
const options_1 = require("../../../../../../../common/utils/options");
const token_native_address_proxy_1 = require("../../../../../../common/utils/token-native-address-proxy");
const on_chain_trade_type_1 = require("../../../common/models/on-chain-trade-type");
const on_chain_proxy_contract_1 = require("../../../common/on-chain-proxy-service/constants/on-chain-proxy-contract");
const get_gas_fee_info_1 = require("../../../common/utils/get-gas-fee-info");
const evm_provider_default_options_1 = require("../on-chain-provider/evm-on-chain-provider/constants/evm-provider-default-options");
const evm_on_chain_provider_1 = require("../on-chain-provider/evm-on-chain-provider/evm-on-chain-provider");
const constants_1 = require("./constants");
const oneinch_trade_1 = require("./oneinch-trade");
const utils_1 = require("./utils");
class OneinchAbstractProvider extends evm_on_chain_provider_1.EvmOnChainProvider {
constructor() {
super(...arguments);
this.defaultOptions = {
...evm_provider_default_options_1.evmProviderDefaultOptions,
disableMultihops: false,
wrappedAddress: constants_1.oneinchApiParams.nativeAddress
};
}
get type() {
return on_chain_trade_type_1.ON_CHAIN_TRADE_TYPE.ONE_INCH;
}
get apiBaseUrl() {
return (0, utils_1.getOneinchApiBaseUrl)(this.blockchain);
}
async loadContractAddress() {
const response = await this.httpClient.get(`${this.apiBaseUrl}/approve/spender`);
return response.address;
}
/**
* Calculates input amount, based on amount, user wants to get.
* @param from Token to sell.
* @param to Token to get with output amount.
* @param options Additional options.
*/
async calculateExactOutputAmount(from, to, options) {
return (await this.calculate(to, from, options)).to.tokenAmount;
}
async calculate(from, toToken, options) {
const fromAddress = options?.useProxy || this.defaultOptions.useProxy
? on_chain_proxy_contract_1.onChainProxyContractAddress[from.blockchain]
: this.walletAddress;
const fullOptions = (0, options_1.combineOptions)(options, {
...this.defaultOptions,
fromAddress
});
const { fromWithoutFee, proxyFeeInfo } = await this.handleProxyContract(from, fullOptions);
const fromTokenClone = (0, token_native_address_proxy_1.createTokenNativeAddressProxy)(fromWithoutFee, constants_1.oneinchApiParams.nativeAddress);
const toTokenClone = (0, token_native_address_proxy_1.createTokenNativeAddressProxy)(toToken, constants_1.oneinchApiParams.nativeAddress);
const [dexContractAddress, { toTokenAmountInWei, estimatedGas, path, data }] = await Promise.all([
this.loadContractAddress(),
this.getTradeInfo(fromTokenClone, toTokenClone, fullOptions)
]);
path[0] = from;
path[path.length - 1] = toToken;
const to = new tokens_1.PriceTokenAmount({
...toToken.asStruct,
weiAmount: toTokenAmountInWei
});
const oneinchTradeStruct = {
dexContractAddress,
from,
to,
slippageTolerance: fullOptions.slippageTolerance,
disableMultihops: fullOptions.disableMultihops,
path,
gasFeeInfo: null,
data,
useProxy: fullOptions.useProxy,
proxyFeeInfo,
fromWithoutFee,
withDeflation: fullOptions.withDeflation
};
if (fullOptions.gasCalculation === 'disabled') {
return new oneinch_trade_1.OneinchTrade(oneinchTradeStruct, fullOptions.providerAddress);
}
const gasPriceInfo = await this.getGasPriceInfo();
const gasLimit = (await oneinch_trade_1.OneinchTrade.getGasLimit(oneinchTradeStruct)) || estimatedGas;
const gasFeeInfo = (0, get_gas_fee_info_1.getGasFeeInfo)(gasLimit, gasPriceInfo);
return new oneinch_trade_1.OneinchTrade({
...oneinchTradeStruct,
gasFeeInfo
}, fullOptions.providerAddress);
}
async getTradeInfo(from, toToken, options) {
const isDefaultWrappedAddress = options.wrappedAddress === constants_1.oneinchApiParams.nativeAddress;
const isNative = from.isNative || from.address === constants_1.oneinchApiParams.nativeAddress;
const fromTokenAddress = isNative && !isDefaultWrappedAddress ? options.wrappedAddress : from.address;
const toTokenAddress = toToken.address;
const quoteTradeParams = {
params: {
fromTokenAddress,
toTokenAddress,
amount: from.stringWeiAmount,
...(options.disableMultihops && {
connectorTokens: `${fromTokenAddress},${toTokenAddress}`
})
}
};
let oneInchTrade;
let estimatedGas;
let toTokenAmount;
let data = null;
try {
if (!options.fromAddress) {
throw new Error('Address is not set');
}
if (options.gasCalculation !== 'disabled') {
await oneinch_trade_1.OneinchTrade.checkIfNeedApproveAndThrowError(from, options.fromAddress, options.useProxy);
}
const swapTradeParams = {
params: {
...quoteTradeParams.params,
slippage: (options.slippageTolerance * 100).toString(),
fromAddress: options.fromAddress,
disableEstimate: options.gasCalculation === 'disabled'
}
};
oneInchTrade = await this.httpClient.get(`${this.apiBaseUrl}/swap`, swapTradeParams);
estimatedGas = new bignumber_js_1.default(oneInchTrade.tx.gas);
toTokenAmount = oneInchTrade.toTokenAmount;
data = oneInchTrade.tx.data;
}
catch (_err) {
oneInchTrade = await this.httpClient.get(`${this.apiBaseUrl}/quote`, quoteTradeParams);
if (oneInchTrade.hasOwnProperty('errors') || !oneInchTrade.toTokenAmount) {
throw new errors_1.RubicSdkError('1inch quote error');
}
estimatedGas = new bignumber_js_1.default(oneInchTrade.estimatedGas);
toTokenAmount = oneInchTrade.toTokenAmount;
}
const path = await this.extractPath(from, toToken, oneInchTrade);
return { toTokenAmountInWei: new bignumber_js_1.default(toTokenAmount), estimatedGas, path, data };
}
/**
* Extracts tokens path from oneInch api response.
* @returns Promise<Token[]> Tokens array, used in the route.
*/
async extractPath(fromToken, toToken, oneInchTrade) {
const addressesPath = oneInchTrade.protocols[0].map(protocol => {
if (!protocol?.[0]) {
throw new errors_1.RubicSdkError('Protocol array must not be empty');
}
return protocol[0].toTokenAddress;
});
addressesPath.pop();
const tokensPathWithoutNative = await tokens_1.Token.createTokens(addressesPath.filter(tokenAddress => tokenAddress !== constants_1.oneinchApiParams.nativeAddress), this.blockchain);
let tokensPathWithoutNativeIndex = 0;
const tokensPath = addressesPath.map(tokenAddress => {
if (tokenAddress === constants_1.oneinchApiParams.nativeAddress) {
return native_tokens_1.nativeTokensList[this.blockchain];
}
const token = tokensPathWithoutNative[tokensPathWithoutNativeIndex];
if (!token) {
throw new errors_1.RubicSdkError('Token has to be defined');
}
tokensPathWithoutNativeIndex++;
return token;
});
return [fromToken, ...tokensPath, toToken];
}
}
__decorate([
decorators_1.Cache
], OneinchAbstractProvider.prototype, "apiBaseUrl", null);
exports.OneinchAbstractProvider = OneinchAbstractProvider;
//# sourceMappingURL=oneinch-abstract-provider.js.map