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 { GasAnalyticsManagerImplementation } from "../gas-analytics-manager.js";
import { setGasAnalyticsManager } from "../helpers/accessors.js";
export default async () => ({
    created: async (context, hre) => {
        if (context.globalOptions.gasStats ||
            context.globalOptions.gasStatsJson !== undefined) {
            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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