ethereum-emissions-calculator
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ethereum-emissions-calculator - npm Package Compare versions
Comparing version 1.8.2-8 to 2.0.0
| { | ||
| "name": "ethereum-emissions-calculator", | ||
| "version": "1.8.2-8", | ||
| "version": "2.0.0", | ||
| "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", |
| # Ethereum Carbon Emissions Calculator | ||
| Made with ♥ by [Offsetra.com](https://offsetra.com/about) for [carbon.fyi](https://carbon.fyi). | ||
| Questions, comments, forks and PRs all very much appreciated! | ||
| License: MIT. | ||
| License: **NON-COMMERCIAL USE ONLY**. Creative Commons BY-NC-SA. | ||
| To request a commercial-use license contact support@offsetra.com. | ||
| Please cite Offsetra if you use this in your project, we really appreciate it! 🙏 | ||
| Questions, comments, forks and PRs all very much appreciated! | ||
| ## Summary | ||
@@ -48,9 +46,19 @@ | ||
| console.log(emissions); | ||
| // { | ||
| // transactionType: "eth", | ||
| // kgCO2: 12345, | ||
| // transactionsCount: 69, | ||
| // gasUsed: 420, | ||
| // } | ||
| // returns: | ||
| export interface AddressEmissionsResult { | ||
| /** The transaction type which was queried. */ | ||
| transactionType: CalculatorOptions["transactionType"]; | ||
| /** The total carbon footprint for all transactions of the provided type, sent from the provided address. In Kilograms of CO2e */ | ||
| kgCO2: number; | ||
| /** The total number of transactions included for this query. */ | ||
| transactionsCount: number; | ||
| /** Total sum of Gas Used for all transactions */ | ||
| gasUsed: number; | ||
| /** False means the 10k limit was hit, so only the most recent 10k transactions were analyzed. */ | ||
| done: boolean; | ||
| /** The block number of the most recent transaction found in the query */ | ||
| highestBlockNumber: number; | ||
| /** The block number of the oldest transaction found in the query */ | ||
| lowestBlockNumber: number; | ||
| } | ||
| ``` | ||
@@ -63,21 +71,7 @@ | ||
| ```typescript | ||
| import { calculateContractEmissions } from "ethereum-emissions-calculator"; | ||
| import { address, etherscanAPIKey } from "data"; | ||
| ## Caveats & Breaking Changes | ||
| const emissions = await calculateContractEmissions({ | ||
| transactionType: "eth", // "eth" | "erc20" | "erc721" | ||
| address, // 0x12345[...] | ||
| etherscanAPIKey, | ||
| }); | ||
| As of version 2.0 and greater, each invocation of `calculateAddressEmissions()` or `calculateAddressEmissions()` will return a **maximum of 10k transactions**. | ||
| Before version 2.0, the calculator attempted to recursively fetch the remaining transactions until the entire history had been retrieved. This caused problems with huge addresses or lower-memory devices. It is now up to the developer to re-fetch the remaining transactions (the calculator now returns the `highestBlockNumber` and `lowestBlockNumber` to help you find the next chunk). | ||
| console.log(emissions); | ||
| // { | ||
| // transactionType: "eth", | ||
| // kgCO2: 12345, | ||
| // transactionsCount: 69, | ||
| // gasUsed: 420, | ||
| // } | ||
| ``` | ||
| ## Methodology | ||
@@ -87,3 +81,1 @@ | ||
| See https://carbon.fyi/learn for a brief intro and link to more in-depth explainers. | ||
| We would like to integrate the actuall carbon accounting methodology and hash-rate calculations into this repository at some point in the near future. Let us know if you'd like to put in a PR to help us along! |
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