adding effective gas price to transactionreceipt

CHANGELOG.md

@@ -497,5 +497,6 @@ Released with 1.0.0-beta.37 code base.
 
 ### Fixed
 -  Fix a typo in the documentation for `methods.myMethod.send` (#4599)
+-  Added effectiveGasPrice to TransactionReceipt (#4692)
 -  Correction in documentation for `web3.eth.accounts.signTransaction` (#4576)
 -  Updated README to include Webpack 5 create-react-app support instructions (#4173)

packages/web3-core-helpers/src/formatters.js

@@ -288,6 +288,10 @@ var outputTransactionReceiptFormatter = function (receipt) {
         receipt.logs = receipt.logs.map(outputLogFormatter);
     }
 
+    if (receipt.effectiveGasPrice) {
+        receipt.effectiveGasPrice = utils.hexToNumber(receipt.effectiveGasPrice)
+    }
+
     if (receipt.contractAddress) {
         receipt.contractAddress = utils.toChecksumAddress(receipt.contractAddress);
     }

packages/web3-core/types/index.d.ts

@@ -213,6 +213,7 @@ export interface TransactionReceipt {
     contractAddress?: string;
     cumulativeGasUsed: number;
     gasUsed: number;
+    effectiveGasPrice: number;
     logs: Log[];
     logsBloom: string;
     events?: {