@sky-mavis/smart-order-router/dist/main/providers/eth-estimate-gas-provider.js

Ronin Swap Smart Order Router

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EthEstimateGasSimulator = void 0;
const bignumber_1 = require("@ethersproject/bignumber");
const routers_1 = require("../routers");
const util_1 = require("../util");
const gas_factory_helpers_1 = require("../util/gas-factory-helpers");
const simulation_provider_1 = require("./simulation-provider");
// We multiply eth estimate gas by this to add a buffer for gas limits
const DEFAULT_ESTIMATE_MULTIPLIER = 1.2;
class EthEstimateGasSimulator extends simulation_provider_1.Simulator {
    constructor(chainId, provider, v2PoolProvider, v3PoolProvider, portionProvider, overrideEstimateMultiplier) {
        super(provider, portionProvider, chainId);
        this.v2PoolProvider = v2PoolProvider;
        this.v3PoolProvider = v3PoolProvider;
        this.overrideEstimateMultiplier = overrideEstimateMultiplier !== null && overrideEstimateMultiplier !== void 0 ? overrideEstimateMultiplier : {};
    }
    async ethEstimateGas(fromAddress, swapOptions, route, providerConfig) {
        const currencyIn = route.trade.inputAmount.currency;
        let estimatedGasUsed;
        if (swapOptions.type == routers_1.SwapType.UNIVERSAL_ROUTER) {
            util_1.log.info({ addr: fromAddress, methodParameters: route.methodParameters }, 'Simulating using eth_estimateGas on Universal Router');
            try {
                estimatedGasUsed = await this.provider.estimateGas({
                    data: route.methodParameters.calldata,
                    to: route.methodParameters.to,
                    from: fromAddress,
                    value: bignumber_1.BigNumber.from(currencyIn.isNative ? route.methodParameters.value : '0'),
                });
            }
            catch (e) {
                util_1.log.error({ e }, 'Error estimating gas');
                return Object.assign(Object.assign({}, route), { simulationStatus: simulation_provider_1.SimulationStatus.Failed });
            }
        }
        else if (swapOptions.type == routers_1.SwapType.SWAP_ROUTER_02) {
            try {
                estimatedGasUsed = await this.provider.estimateGas({
                    data: route.methodParameters.calldata,
                    to: route.methodParameters.to,
                    from: fromAddress,
                    value: bignumber_1.BigNumber.from(currencyIn.isNative ? route.methodParameters.value : '0'),
                });
            }
            catch (e) {
                util_1.log.error({ e }, 'Error estimating gas');
                return Object.assign(Object.assign({}, route), { simulationStatus: simulation_provider_1.SimulationStatus.Failed });
            }
        }
        else {
            throw new Error(`Unsupported swap type ${swapOptions}`);
        }
        estimatedGasUsed = this.adjustGasEstimate(estimatedGasUsed);
        util_1.log.info({
            methodParameters: route.methodParameters,
            estimatedGasUsed: estimatedGasUsed.toString(),
        }, 'Simulated using eth_estimateGas on SwapRouter02');
        const { estimatedGasUsedUSD, estimatedGasUsedQuoteToken, estimatedGasUsedGasToken, quoteGasAdjusted } = await (0, gas_factory_helpers_1.calculateGasUsed)(route.quote.currency.chainId, route, estimatedGasUsed, this.v2PoolProvider, this.v3PoolProvider, providerConfig);
        return Object.assign(Object.assign({}, (0, gas_factory_helpers_1.initSwapRouteFromExisting)(route, this.v2PoolProvider, this.v3PoolProvider, this.portionProvider, quoteGasAdjusted, estimatedGasUsed, estimatedGasUsedQuoteToken, estimatedGasUsedUSD, swapOptions, estimatedGasUsedGasToken)), { simulationStatus: simulation_provider_1.SimulationStatus.Succeeded });
    }
    adjustGasEstimate(gasLimit) {
        var _a;
        const estimateMultiplier = (_a = this.overrideEstimateMultiplier[this.chainId]) !== null && _a !== void 0 ? _a : DEFAULT_ESTIMATE_MULTIPLIER;
        const adjustedGasEstimate = bignumber_1.BigNumber.from(gasLimit)
            .mul(estimateMultiplier * 100)
            .div(100);
        return adjustedGasEstimate;
    }
    async simulateTransaction(fromAddress, swapOptions, swapRoute, _providerConfig) {
        const inputAmount = swapRoute.trade.inputAmount;
        if (inputAmount.currency.isNative ||
            (await this.checkTokenApproved(fromAddress, inputAmount, swapOptions, this.provider))) {
            return await this.ethEstimateGas(fromAddress, swapOptions, swapRoute, _providerConfig);
        }
        else {
            util_1.log.info('Token not approved, skipping simulation');
            return Object.assign(Object.assign({}, swapRoute), { simulationStatus: simulation_provider_1.SimulationStatus.NotApproved });
        }
    }
}
exports.EthEstimateGasSimulator = EthEstimateGasSimulator;
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