Merge pull request #214 from ayo-klaytn/add/kaiascan-hardhat-verify

kaiascan verification guide added
kaiachain · Jan 20, 2025 · ada1951 · ada1951
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diff --git a/docs/build/smart-contracts/verify/hardhat.md b/docs/build/smart-contracts/verify/hardhat.md
diff --git a/docs/build/smart-contracts/verify/hardhat.mdx b/docs/build/smart-contracts/verify/hardhat.mdx
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+---
+id: hardhat
+title: Using Hardhat
+---
+
+import Tabs from '@theme/Tabs'
+import TabItem from '@theme/TabItem'
+
+# How to Verify Smart Contracts Using Hardhat
+
+This guide allows you to automatically verify your smart contracts' source code on Kaiascope straight from your CLI using the Hardhat Verify Plugin.
+
+To verify your contract on Kaia, you need to add the following configuration to your `hardhat.config.js`:
+
+## Kaiascan
+
+<Tabs>
+    <TabItem value="kaia-mainnet" label="Mainnet">
+        ```js
+        module.exports = {
+          etherscan: {
+              apiKey: {
+                kaia: "unnecessary",
+              },
+              customChains: [
+                {
+                  network: "kaia",
+                  chainId: 8217,
+                  urls: {
+                    apiURL: "https://mainnet-api.kaiascan.io/hardhat-verify",
+                    browserURL: "https://kaiascan.io",
+                  }
+                },
+              ]
+            }
+        }
+        ```
+  </TabItem>
+
+  <TabItem value="kairos-testnet" label="Kairos">
+      ```js
+      module.exports = {
+        etherscan: {
+            apiKey: {
+              kairos: "unnecessary",
+            },
+            customChains: [
+              {
+                network: "kairos",
+                chainId: 1001,
+                urls: {
+                  apiURL: "https://kairos-api.kaiascan.io/hardhat-verify",
+                  browserURL: "https://kairos.kaiascan.io",
+                }
+              },
+            ]
+          }
+}
+      ```
+  </TabItem>
+</Tabs>
+
+## Kaiascope
+
+<Tabs>
+    <TabItem value="kaia-mainnet" label="Mainnet">
+        ```js
+        module.exports = {
+          networks: {
+            kaia: {
+              chainId: 8217,
+              url: "RPC_URL",
+            },
+          },
+          etherscan: {
+            apiKey: {
+              kaia: "unnecessary",
+            },
+            customChains: [
+              {
+                network: "kaia",
+                chainId: 8217,
+                urls: {
+                  apiURL: "https://api-cypress.klaytnscope.com/api",
+                  browserURL: "https://kaiascope.com/",
+                },
+              },
+            ]
+          }
+        }
+        ```
+  </TabItem>
+
+  <TabItem value="kairos-testnet" label="Kairos">
+      ```js
+      module.exports = {
+        networks: {
+          kairos: {
+            chainId: 1001,
+            url: "RPC_URL",
+          },
+        },
+        etherscan: {
+          apiKey: {
+            kairos: "unnecessary",
+          },
+          customChains: [
+            {
+              network: "kairos",
+              chainId: 1001,
+              urls: {
+                apiURL: "https://api-baobab.klaytnscope.com/api",
+                browserURL: "https://kairos.kaiascope.com",
+              },
+            },
+          ]
+        }
+      }
+      ```
+  </TabItem>
+</Tabs>
+
+To verify the contract, you will run the verify command and pass in the address of the deployed contract, network and parameters if any.
+
+```bash
+npx hardhat verify –network <network> <deployed_address> <parameters>
+
+// example
+
+npx hardhat verify --network kairos 0x3e360fC99c4383e3adaAE9742c0fC983fDAa0535
+```
+
+In your terminal you should see the source code for your contract was successfully submitted for verification. 
+
+If the verification was successful, you should see Successfully verified contract and there will be a link to the contract code on [Kaiascan](https://kairos.kaiascan.io/address/0x3e360fC99c4383e3adaAE9742c0fC983fDAa0535?tabId=contract&page=1) and [Kaiascope](https://baobab.klaytnscope.com/account/0x3e360fC99c4383e3adaAE9742c0fC983fDAa0535?tabId=contractCode) respectively.
+
+**Kaiascan**
+
+![](/img/build/smart-contracts/verify/kaiascan-terminal.png)
+![](/img/build/smart-contracts/verify/kaiascan-verify.png)
+
+**Kaiascope**
+
+![](/img/build/smart-contracts/verify/kaiascope-terminal.png)
+![](/img/build/smart-contracts/verify/kaiascope-verify.png)
+
+## Useful links
+
+- [Configuration for Hardhat Verify Plugin on Kaiascan](https://docs.kaiascan.io/hardhat-verify)
+- [Configuration for Hardhat Verify Plugin on Kaiascope](https://docs.klaytnscope.com/contract/configuration-for-hardhat-verify-plugin)
+- [Verifying contracts using Hardhat on Kaiascan](https://klaytn.foundation/verifying-contracts-using-hardhat-on-klaytnscope)
+
+