@xspswap/smart-order-router/build/main/providers/swap-router-provider.js

XSwap Protocol V3 Smart Order Router

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SwapRouterProvider = void 0;
const sdk_core_1 = require("@x-swap-protocol/sdk-core");
const SwapRouter02__factory_1 = require("../types/other/factories/SwapRouter02__factory");
const util_1 = require("../util");
class SwapRouterProvider {
    constructor(multicall2Provider, chainId) {
        this.multicall2Provider = multicall2Provider;
        this.chainId = chainId;
    }
    async getApprovalType(tokenInAmount, tokenOutAmount) {
        var _a, _b;
        const functionParams = [
            [
                tokenInAmount.currency.wrapped.address,
                tokenInAmount.quotient.toString(),
            ],
            [
                tokenOutAmount.currency.wrapped.address,
                tokenOutAmount.quotient.toString(),
            ],
        ];
        const tx = await this.multicall2Provider.callSameFunctionOnContractWithMultipleParams({
            address: (0, sdk_core_1.SWAP_ROUTER_02_ADDRESSES)(this.chainId),
            contractInterface: SwapRouter02__factory_1.SwapRouter02__factory.createInterface(),
            functionName: 'getApprovalType',
            functionParams,
        });
        if (!((_a = tx.results[0]) === null || _a === void 0 ? void 0 : _a.success) || !((_b = tx.results[1]) === null || _b === void 0 ? void 0 : _b.success)) {
            util_1.log.info({ results: tx.results }, 'Failed to get approval type from swap router for token in or token out');
            throw new Error('Failed to get approval type from swap router for token in or token out');
        }
        const { result: approvalTokenIn } = tx.results[0];
        const { result: approvalTokenOut } = tx.results[1];
        return {
            approvalTokenIn: approvalTokenIn[0],
            approvalTokenOut: approvalTokenOut[0],
        };
    }
}
exports.SwapRouterProvider = SwapRouterProvider;
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