fix: add missing bracket in "hardhat.config.ts"

refactor: change APIKEY to API_KEY
style: order fields alphabetically in "hardhat.config.ts"

.env.example

@@ -1,10 +1,11 @@
-INFURA_API_KEY=zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
-MNEMONIC=here is where your twelve words mnemonic should be put my friend
+INFURA_API_KEY="zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
+MNEMONIC="here is where your twelve words mnemonic should be put my friend"
+
+# Block explorer API keys
+ARBSCAN_API_KEY="zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
+BSCSCAN_API_KEY="zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
+ETHERSCAN_API_KEY="zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
+OPTIMISM_API_KEY="zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
+POLYGONSCAN_API_KEY="zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
+SNOWTRACE_API_KEY="zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
 
-// Block explorer API keys:
-ETHERSCAN_APIKEY = zzzzzzzzzzzzzzzz
-POLYGONSCAN_APIKEY = zzzzzzzzzzzzzzzz
-BSCSCAN_APIKEY = zzzzzzzzzzzzzzzz
-ARBSCAN_APIKEY = zzzzzzzzzzzzzzzz
-SNOWTRACE_APIKEY = zzzzzzzzzzzzzzzz
-OPTIMISM_APIKEY = zzzzzzzzzzzzzzzz

hardhat.config.ts

@@ -1,7 +1,6 @@
 import "@nomiclabs/hardhat-waffle";
-import "@nomiclabs/hardhat-etherscan"
+import "@nomiclabs/hardhat-etherscan";
 import "@typechain/hardhat";
-
 import "hardhat-gas-reporter";
 import "solidity-coverage";
 
@@ -51,6 +50,21 @@ function getChainConfig(network: keyof typeof chainIds): NetworkUserConfig {
 
 const config: HardhatUserConfig = {
   defaultNetwork: "hardhat",
+  etherscan: {
+    apiKey: {
+      arbitrumOne: process.env.ARBSCAN_API_KEY,
+      arbitrumTestnet: process.env.ARBSCAN_API_KEY,
+      avalanche: process.env.SNOWTRACE_API_KEY,
+      bsc: process.env.BSCSCAN_API_KEY,
+      goerli: process.env.ETHERSCAN_API_KEY,
+      kovan: process.env.ETHERSCAN_API_KEY,
+      mainnet: process.env.ETHERSCAN_API_KEY,
+      optimisticEthereum: process.env.OPTIMISM_API_KEY,
+      polygon: process.env.POLYGONSCAN_API_KEY,
+      rinkeby: process.env.ETHERSCAN_API_KEY,
+      ropsten: process.env.ETHERSCAN_API_KEY,
+    },
+  },
   gasReporter: {
     currency: "USD",
     enabled: process.env.REPORT_GAS ? true : false,
@@ -91,20 +105,6 @@ const config: HardhatUserConfig = {
       },
     },
   },
-  etherscan: {
-    apiKey: {
-      mainnet: process.env.ETHERSCAN_APIKEY,
-      goerli: process.env.ETHERSCAN_APIKEY,
-      kovan: process.env.ETHERSCAN_APIKEY,
-      rinkeby: process.env.ETHERSCAN_APIKEY,
-      ropsten: process.env.ETHERSCAN_APIKEY,
-      polygon: process.env.POLYGONSCAN_APIKEY,
-      bsc: process.env.BSCSCAN_APIKEY,
-      arbitrumOne: process.env.ARBSCAN_APIKEY,
-      arbitrumTestnet: process.env.ARBSCAN_APIKEY,
-      avalanche: process.env.SNOWTRACE_APIKEY,
-      optimisticEthereum: process.env.OPTIMISM_APIKEY
-  },
   typechain: {
     outDir: "src/types",
     target: "ethers-v5",

package.json

@@ -15,9 +15,9 @@
     "@ethersproject/bignumber": "^5.5.0",
     "@ethersproject/bytes": "^5.5.0",
     "@ethersproject/providers": "^5.5.3",
-    "@nomiclabs/hardhat-ethers": "^2.0.5",
-    "@nomiclabs/hardhat-waffle": "^2.0.2",
+    "@nomiclabs/hardhat-ethers": "^2.0.4",
     "@nomiclabs/hardhat-etherscan": "^3.0.0",
+    "@nomiclabs/hardhat-waffle": "^2.0.2",
     "@typechain/ethers-v5": "^9.0.0",
     "@typechain/hardhat": "^4.0.0",
     "@types/chai": "^4.3.0",

yarn.lock

@@ -660,7 +660,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@ethersproject/address@npm:5.5.0, @ethersproject/address@npm:^5.5.0":
+"@ethersproject/address@npm:5.5.0, @ethersproject/address@npm:^5.0.2, @ethersproject/address@npm:^5.5.0":
   version: 5.5.0
   resolution: "@ethersproject/address@npm:5.5.0"
   dependencies:
@@ -1600,6 +1600,23 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@nomiclabs/hardhat-etherscan@npm:^3.0.0":
+  version: 3.0.1
+  resolution: "@nomiclabs/hardhat-etherscan@npm:3.0.1"
+  dependencies:
+    "@ethersproject/abi": ^5.1.2
+    "@ethersproject/address": ^5.0.2
+    cbor: ^5.0.2
+    debug: ^4.1.1
+    fs-extra: ^7.0.1
+    node-fetch: ^2.6.0
+    semver: ^6.3.0
+  peerDependencies:
+    hardhat: ^2.0.4
+  checksum: 4ccb34df2f4aa3cfcbcd8eb87029abe8937f295f25c0c61c2ce8c42a77a9011d34c8f6e143b4a5096601909b28dbb7c8b2479158519a94074cd5ef9b396a328e
+  languageName: node
+  linkType: hard
+
 "@nomiclabs/hardhat-waffle@npm:^2.0.2":
   version: 2.0.2
   resolution: "@nomiclabs/hardhat-waffle@npm:2.0.2"
@@ -1637,7 +1654,8 @@ __metadata:
     "@ethersproject/bignumber": ^5.5.0
     "@ethersproject/bytes": ^5.5.0
     "@ethersproject/providers": ^5.5.3
-    "@nomiclabs/hardhat-ethers": ^2.0.5
+    "@nomiclabs/hardhat-ethers": ^2.0.4
+    "@nomiclabs/hardhat-etherscan": ^3.0.0
     "@nomiclabs/hardhat-waffle": ^2.0.2
     "@typechain/ethers-v5": ^9.0.0
     "@typechain/hardhat": ^4.0.0
@@ -3731,6 +3749,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"bignumber.js@npm:^9.0.1":
+  version: 9.0.2
+  resolution: "bignumber.js@npm:9.0.2"
+  checksum: 8637b71d0a99104b20413c47578953970006fec6b4df796b9dcfd9835ea9c402ea0e727eba9a5ca9f9a393c1d88b6168c5bbe0887598b708d4f8b4870ad62e1f
+  languageName: node
+  linkType: hard
+
 "binary-extensions@npm:^2.0.0":
   version: 2.2.0
   resolution: "binary-extensions@npm:2.2.0"
@@ -4219,6 +4244,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"cbor@npm:^5.0.2":
+  version: 5.2.0
+  resolution: "cbor@npm:5.2.0"
+  dependencies:
+    bignumber.js: ^9.0.1
+    nofilter: ^1.0.4
+  checksum: b3c39dae64370f361526dbec88f51d0f1b47027224cdd21dbd64c228f0fe7eaa945932d349ec5324068a6c6dcdbb1e3b46242852524fd53c526d14cb60514bdc
+  languageName: node
+  linkType: hard
+
 "chai@npm:^4.3.6":
   version: 4.3.6
   resolution: "chai@npm:4.3.6"
@@ -11061,6 +11096,13 @@ fsevents@~2.1.1:
   languageName: node
   linkType: hard
 
+"nofilter@npm:^1.0.4":
+  version: 1.0.4
+  resolution: "nofilter@npm:1.0.4"
+  checksum: 54d864f745de5c3312994e880cf2d4f55e34830d6adc8275dce3731507ca380d21040336e4a277a4901551c07f04c452fbeffd57fad1dc8f68a2943eaf894a04
+  languageName: node
+  linkType: hard
+
 "nopt@npm:3.x":
   version: 3.0.6
   resolution: "nopt@npm:3.0.6"