hardhat/dist/src/internal/builtin-plugins/gas-analytics/hook-handlers/hre.js

Hardhat is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.

import { setGasAnalyticsManager } from "../helpers/accessors.js";
let GasAnalyticsManagerImplementation;
export default async () => ({
    created: async (context, hre) => {
        if (!context.globalOptions.gasStats &&
            context.globalOptions.gasStatsJson === undefined) {
            return;
        }
        if (GasAnalyticsManagerImplementation === undefined) {
            ({ GasAnalyticsManagerImplementation } = await import("../gas-analytics-manager.js"));
        }
        const gasAnalyticsManager = new GasAnalyticsManagerImplementation(hre.config.paths.cache);
        setGasAnalyticsManager(hre, gasAnalyticsManager);
        // NOTE: We register this hook dynamically to avoid a circular dependency
        // between gas-analytics and network-manager plugins. The network-manager
        // checks for the existence of onGasReported handlers to determine if gas
        // analytics is enabled, rather than directly checking the global option.
        hre.hooks.registerHandlers("network", {
            onGasMeasurement: (_context, gasMeasurement) => {
                gasAnalyticsManager.addGasMeasurement(gasMeasurement);
            },
        });
    },
});
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