ethereum-emissions-calculator - npm Package Compare versions

Comparing version 3.0.2-beta to 3.0.2

lib/data/emissionsFactorTable.json

lib/utils/getTransactionEmissions.d.ts

		import { EmissionsFactor, TransactionData } from "../types";
		/** returns [emissionsInKGCO2, gasUsed] */
		/**
		* for each txn, finds the entry in emissions factor table
		* (where the timestamp is greater than or equal to txn timestamp)
		* @returns [emissionsInKGCO2, gasUsed]
		*/
		export declare const getTransactionEmissions: (txns: TransactionData[], emissionsFactorTable: EmissionsFactor[]) => [number, number];

lib/utils/getTransactionEmissions.js

		"use strict";
		Object.defineProperty(exports, "__esModule", { value: true });
		exports.getTransactionEmissions = void 0;
		/** returns [emissionsInKGCO2, gasUsed] */
		/**
		* for each txn, finds the entry in emissions factor table
		* (where the timestamp is greater than or equal to txn timestamp)
		* @returns [emissionsInKGCO2, gasUsed]
		*/
		const getTransactionEmissions = (txns, emissionsFactorTable) => {
		let datePointer = 0;
		return txns.reduce((prev, tx) => {
		const txnIsOlder = parseInt(tx.timeStamp) > emissionsFactorTable[datePointer].timestamp;
		while (txnIsOlder) {
		// if the timestamp is older, try the next entry
		while (parseInt(tx.timeStamp) > emissionsFactorTable[datePointer].timestamp) {
		if (datePointer === emissionsFactorTable.length - 1) {
		@@ -15,9 +19,9 @@ break;
		}
		const txnEmissions = parseInt(tx.gasUsed) *
		emissionsFactorTable[datePointer].emissionsFactor;
		const sum = prev[0] + txnEmissions; // danger, floating point errors 0.30000000000000004
		const val = [
		prev[0] +
		parseInt(tx.gasUsed) *
		emissionsFactorTable[datePointer].emissionsFactor,
		Number(sum.toFixed(3)),
		prev[1] + parseInt(tx.gasUsed),
		];
		console.log("fetched value", val, tx.timeStamp, emissionsFactorTable[datePointer].timestamp, emissionsFactorTable[datePointer].emissionsFactor);
		return val;
		@@ -24,0 +28,0 @@ }, [0, 0]);

package.json

		{
		"name": "ethereum-emissions-calculator",
		"version": "3.0.2-beta",
		"version": "3.0.2",
		"description": "TypeScript utils to calculate the CO2 emissions of an Ethereum wallet. Powered by the Etherscan.io API.",
		@@ -5,0 +5,0 @@ "main": "./lib/index.js",

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