Add Lookup view

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

@@ -0,0 +1,33 @@
+import React, { useEffect, useState, useContext } from 'react'
+import { ethers } from 'ethers/'
+
+interface ContractAddressInputProps {
+  label: string
+  id: string
+  setContractAddress: (address: string) => void
+  contractAddress: string
+}
+
+// Chooses one contract from the compilation output.
+export const ContractAddressInput: React.FC<ContractAddressInputProps> = ({ label, id, setContractAddress, contractAddress }) => {
+  const [contractAddressError, setContractAddressError] = useState('')
+
+  const handleAddressChange = (event: React.ChangeEvent<HTMLInputElement>) => {
+    const isValidAddress = ethers.utils.isAddress(event.target.value)
+    setContractAddress(event.target.value)
+    if (!isValidAddress) {
+      setContractAddressError('Invalid contract address')
+      console.error('Invalid contract address')
+      return
+    }
+    setContractAddressError('')
+  }
+
+  return (
+    <div className="form-group">
+      <label htmlFor={id}>{label}</label>
+      <div>{contractAddressError && <div className="text-danger">{contractAddressError}</div>}</div>
+      <input type="text" className="form-control" id={id} placeholder="0x2738d13E81e..." value={contractAddress} onChange={handleAddressChange} />
+    </div>
+  )
+}

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

@@ -1,34 +1,53 @@
-import React, { useState, useEffect, useRef } from 'react'
+import React, { useState, useEffect, useRef, useMemo } from 'react'
 import Fuse from 'fuse.js'
 import { Chain } from '../types/VerificationTypes'
+import { AppContext } from '../AppContext'
 
 interface DropdownProps {
   label: string
-  chains: Chain[]
   id: string
   setSelectedChain: (chain: Chain) => void
   selectedChain: Chain
 }
 
-export const SearchableDropdown: React.FC<DropdownProps> = ({ chains, label, id, setSelectedChain, selectedChain }) => {
+export const SearchableChainDropdown: React.FC<DropdownProps> = ({ label, id, setSelectedChain, selectedChain }) => {
+  const { chains } = React.useContext(AppContext)
+  const ethereumChainIds = [1, 3, 4, 5, 11155111, 17000]
+
+  // Add Ethereum chains to the head of the chains list. Sort the rest alphabetically
+  const dropdownChains = useMemo(
+    () =>
+      chains.sort((a, b) => {
+        const isAInEthereum = ethereumChainIds.includes(a.chainId)
+        const isBInEthereum = ethereumChainIds.includes(b.chainId)
+
+        if (isAInEthereum && !isBInEthereum) return -1
+        if (!isAInEthereum && isBInEthereum) return 1
+        if (isAInEthereum && isBInEthereum) return ethereumChainIds.indexOf(a.chainId) - ethereumChainIds.indexOf(b.chainId)
+
+        return (a.title || a.name).localeCompare(b.title || b.name)
+      }),
+    [chains]
+  )
+
   const [searchTerm, setSearchTerm] = useState('')
   const [isOpen, setIsOpen] = useState(false)
-  const [filteredOptions, setFilteredOptions] = useState<Chain[]>(chains)
+  const [filteredOptions, setFilteredOptions] = useState<Chain[]>(dropdownChains)
   const dropdownRef = useRef<HTMLDivElement>(null)
 
-  const fuse = new Fuse(chains, {
+  const fuse = new Fuse(dropdownChains, {
     keys: ['name'],
     threshold: 0.3,
   })
 
   useEffect(() => {
     if (searchTerm === '') {
-      setFilteredOptions(chains)
+      setFilteredOptions(dropdownChains)
     } else {
       const result = fuse.search(searchTerm)
       setFilteredOptions(result.map(({ item }) => item))
     }
-  }, [searchTerm, chains])
+  }, [searchTerm, dropdownChains])
 
   // Close dropdown when user clicks outside
   useEffect(() => {
@@ -59,7 +78,7 @@ export const SearchableDropdown: React.FC<DropdownProps> = ({ chains, label, id,
     setSearchTerm('')
   }
 
-  if (!chains || chains.length === 0) {
+  if (!dropdownChains || dropdownChains.length === 0) {
     return (
       <div className="dropdown">
         <label htmlFor={id}>{label}</label>

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

@@ -1,3 +1,4 @@
 export { NavMenu } from './NavMenu'
 export { ContractDropdown } from './ContractDropdown'
-export { SearchableDropdown } from './SearchableDropdown'
+export { SearchableChainDropdown } from './SearchableChainDropdown'
+export { ContractAddressInput } from './ContractAddressInput'

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

@@ -4,6 +4,7 @@ import { HashRouter as Router, Route, Routes } from 'react-router-dom'
 import { VerifyView } from './views'
 import { DefaultLayout } from './layouts'
 import { ReceiptsView } from './views/ReceiptsView'
+import { LookupView } from './views/LookupView'
 
 const DisplayRoutes = () => (
   <Router>
@@ -25,6 +26,15 @@ const DisplayRoutes = () => (
           </DefaultLayout>
         }
       />
+
+      <Route
+        path="/lookup"
+        element={
+          <DefaultLayout from="/" title="Lookup" description="Search for verified contracts and download them to Remix">
+            <LookupView />
+          </DefaultLayout>
+        }
+      />
     </Routes>
   </Router>
 )

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

@@ -0,0 +1,22 @@
+import { useState } from 'react'
+import { SearchableChainDropdown, ContractAddressInput } from '../components'
+import { Chain } from '../types/VerificationTypes'
+
+export const LookupView = () => {
+  const [selectedChain, setSelectedChain] = useState<Chain | undefined>()
+  const [contractAddress, setContractAddress] = useState('')
+
+  const handleLookup = () => {}
+
+  return (
+    <form onSubmit={handleLookup}>
+      <SearchableChainDropdown label="Chain" id="network-dropdown" setSelectedChain={setSelectedChain} selectedChain={selectedChain} />
+
+      <ContractAddressInput label="Contract Address" id="contract-address" setContractAddress={setContractAddress} contractAddress={contractAddress} />
+
+      <button type="submit" className="btn btn-primary">
+        Lookup
+      </button>
+    </form>
+  )
+}

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

@@ -1,9 +1,7 @@
 import React, { useEffect, useState } from 'react'
 
 import { AppContext } from '../AppContext'
-import { SearchableDropdown } from '../components'
-import { ContractDropdown } from '../components/ContractDropdown'
-import { ethers } from 'ethers/'
+import { SearchableChainDropdown, ContractDropdown, ContractAddressInput } from '../components'
 import { Chain, SubmittedContract, VerificationReceipt } from '../types/VerificationTypes'
 import { SourcifyVerifier } from '../Verifiers/SourcifyVerifier'
 import { EtherscanVerifier } from '../Verifiers/EtherscanVerifier'
@@ -11,9 +9,8 @@ import { useNavigate } from 'react-router-dom'
 import { ConstructorArguments } from '../components/ConstructorArguments'
 
 export const VerifyView = () => {
-  const { chains, compilationOutput, verifiers, setVerifiers, selectedContractFileAndName, setSubmittedContracts } = React.useContext(AppContext)
+  const { compilationOutput, verifiers, setVerifiers, selectedContractFileAndName, setSubmittedContracts } = React.useContext(AppContext)
   const [contractAddress, setContractAddress] = useState('')
-  const [contractAddressError, setContractAddressError] = useState('')
   const [selectedChain, setSelectedChain] = useState<Chain | undefined>()
   const [abiEncodedConstructorArgs, setAbiEncodedConstructorArgs] = React.useState<string>('')
   const navigate = useNavigate()
@@ -22,20 +19,6 @@ export const VerifyView = () => {
     console.log('Selected chain changed', selectedChain)
   }, [selectedChain])
 
-  const ethereumChainIds = [1, 3, 4, 5, 11155111, 17000]
-
-  // Add Ethereum chains to the head of the chains list. Sort the rest alphabetically
-  const dropdownChains = chains.sort((a, b) => {
-    const isAInEthereum = ethereumChainIds.includes(a.chainId)
-    const isBInEthereum = ethereumChainIds.includes(b.chainId)
-
-    if (isAInEthereum && !isBInEthereum) return -1
-    if (!isAInEthereum && isBInEthereum) return 1
-    if (isAInEthereum && isBInEthereum) return ethereumChainIds.indexOf(a.chainId) - ethereumChainIds.indexOf(b.chainId)
-
-    return (a.title || a.name).localeCompare(b.title || b.name)
-  })
-
   const handleVerify = async (e) => {
     e.preventDefault() // Don't change the page
 
@@ -96,34 +79,18 @@ export const VerifyView = () => {
     })
   }
 
-  const handleAddressChange = (event: React.ChangeEvent<HTMLInputElement>) => {
-    const isValidAddress = ethers.utils.isAddress(event.target.value)
-    setContractAddress(event.target.value)
-    if (!isValidAddress) {
-      setContractAddressError('Invalid contract address')
-      console.error('Invalid contract address')
-      return
-    }
-    setContractAddressError('')
-  }
-
   console.log('sourcifyVerifiers:', verifiers)
 
   return (
     <form onSubmit={handleVerify}>
-      <SearchableDropdown label="Contract Chain" chains={dropdownChains} id="network-dropdown" setSelectedChain={setSelectedChain} selectedChain={selectedChain} />
+      <SearchableChainDropdown label="Chain" id="network-dropdown" setSelectedChain={setSelectedChain} selectedChain={selectedChain} />
 
-      <div className="form-group">
-        <label htmlFor="contract-address">Contract Address</label>
-        <div>{contractAddressError && <div className="text-danger">{contractAddressError}</div>}</div>
-        <input type="text" className="form-control" id="contract-address" placeholder="0x2738d13E81e..." value={contractAddress} onChange={handleAddressChange} />
-      </div>
+      <ContractAddressInput label="Contract Address" id="contract-address" setContractAddress={setContractAddress} contractAddress={contractAddress} />
 
       <ContractDropdown label="Contract Name" id="contract-dropdown-1" />
 
       <button type="submit" className="btn btn-primary">
-        {' '}
-        Verify{' '}
+        Verify
       </button>
 
       <div>