Add BlockscoutVerifier

apps/contract-verification/src/app/Verifiers/BlockscoutVerifier.ts

@@ -0,0 +1,14 @@
+import { EtherscanVerifier } from "./EtherscanVerifier";
+
+export class BlockscoutVerifier extends EtherscanVerifier {
+  constructor(apiUrl: string) {
+    // apiUrl and explorerUrl are the same for Blockscout
+    super(apiUrl, apiUrl, undefined)
+  }
+
+  getContractCodeUrl(address: string): string {
+    const url = new URL(`address/${address}`, this.explorerUrl)
+    url.searchParams.append('tab', 'contract')
+    return url.href
+  }
+}

apps/contract-verification/src/app/Verifiers/EtherscanVerifier.ts

@@ -25,7 +25,7 @@ interface EtherscanCheckStatusResponse {
 }
 
 export class EtherscanVerifier extends AbstractVerifier {
-  constructor(apiUrl: string, explorerUrl: string, private apiKey?: string) {
+  constructor(apiUrl: string, explorerUrl: string, protected apiKey?: string) {
     super(apiUrl, explorerUrl)
   }
 

apps/contract-verification/src/app/Verifiers/index.ts

@@ -1,22 +1,30 @@
 import { VerifierIdentifier, VerifierSettings } from '../types/VerificationTypes'
 import { AbstractVerifier } from './AbstractVerifier'
+import { BlockscoutVerifier } from './BlockscoutVerifier'
 import { EtherscanVerifier } from './EtherscanVerifier'
 import { SourcifyVerifier } from './SourcifyVerifier'
 
 export { AbstractVerifier } from './AbstractVerifier'
+export { BlockscoutVerifier } from './BlockscoutVerifier'
 export { SourcifyVerifier } from './SourcifyVerifier'
 export { EtherscanVerifier } from './EtherscanVerifier'
 
 export function getVerifier(identifier: VerifierIdentifier, settings: VerifierSettings): AbstractVerifier {
   switch (identifier) {
   case 'Sourcify':
+    if (!settings.explorerUrl) {
+      throw new Error('The Sourcify verifier requires an explorer URL.')
+    }
     return new SourcifyVerifier(settings.apiUrl, settings.explorerUrl)
   case 'Etherscan':
+    if (!settings.explorerUrl) {
+      throw new Error('The Etherscan verifier requires an explorer URL.')
+    }
     if (!settings.apiKey) {
       throw new Error('The Etherscan verifier requires an API key.')
     }
     return new EtherscanVerifier(settings.apiUrl, settings.explorerUrl, settings.apiKey)
   case 'Blockscout':
-    return new EtherscanVerifier(settings.apiUrl, settings.explorerUrl)
+    return new BlockscoutVerifier(settings.apiUrl)
   }
 }

apps/contract-verification/src/app/app.tsx

@@ -27,8 +27,8 @@ const App = () => {
 
   useEffect(() => {
     // const sourcifyVerifier = new SourcifyVerifier('http://sourcify.dev/server/', 'Sourcify')
-    const sourcifyVerifier = new SourcifyVerifier('http://localhost:5555/')
-    const etherscanVerifier = new EtherscanVerifier('https://api.etherscan.io', 'API_KEY')
+    const sourcifyVerifier = new SourcifyVerifier('http://localhost:5555/', 'todo')
+    const etherscanVerifier = new EtherscanVerifier('https://api.etherscan.io', 'todo', 'API_KEY')
     setVerifiers([sourcifyVerifier, etherscanVerifier])
     // TODO: Fix 'compilationFinished' event types. The interface is outdated at https://github.com/ethereum/remix-plugin/blob/master/packages/api/src/lib/compiler/api.ts. It does not include data, input, or version. See the current parameters: https://github.com/ethereum/remix-project/blob/9f6c5be882453a555055f07171701459e4ae88a4/libs/remix-solidity/src/compiler/compiler.ts#L189
 

apps/contract-verification/src/app/types/VerificationTypes.ts

@@ -21,7 +21,7 @@ export type VerifierIdentifier = 'Sourcify' | 'Etherscan' | 'Blockscout'
 
 export interface VerifierSettings {
   apiUrl: string
-  explorerUrl: string
+  explorerUrl?: string
   apiKey?: string
 }