Merge branch 'main' of github.com:blockscout/frontend into custom-skin

.env.example

 NEXT_PUBLIC_SENTRY_DSN=xxx
 SENTRY_CSP_REPORT_URI=xxx
+NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID=xxx
+NEXT_PUBLIC_RE_CAPTCHA_APP_SITE_KEY=xxx
\ No newline at end of file

.env.template

@@ -49,11 +49,13 @@ NEXT_PUBLIC_API_PROTOCOL=__PLACEHOLDER_FOR_NEXT_PUBLIC_API_PROTOCOL__
 NEXT_PUBLIC_API_PORT=__PLACEHOLDER_FOR_NEXT_PUBLIC_API_PORT__
 NEXT_PUBLIC_STATS_API_HOST=__PLACEHOLDER_FOR_NEXT_PUBLIC_STATS_API_HOST__
 NEXT_PUBLIC_VISUALIZE_API_HOST=__PLACEHOLDER_FOR_NEXT_PUBLIC_VISUALIZE_API_HOST__
+NEXT_PUBLIC_API_SPEC_URL=__PLACEHOLDER_FOR_NEXT_PUBLIC_API_SPEC_URL__
 
 # external services config
 NEXT_PUBLIC_SENTRY_DSN=__PLACEHOLDER_FOR_NEXT_PUBLIC_SENTRY_DSN__
 NEXT_PUBLIC_AUTH0_CLIENT_ID=__PLACEHOLDER_FOR_NEXT_PUBLIC_AUTH0_CLIENT_ID__
 NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID=__PLACEHOLDER_FOR_NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID__
+NEXT_PUBLIC_RE_CAPTCHA_APP_SITE_KEY=__PLACEHOLDER_FOR_NEXT_PUBLIC_RE_CAPTCHA_APP_SITE_KEY__
 
 # l2 config
 NEXT_PUBLIC_IS_L2_NETWORK=__PLACEHOLDER_FOR_NEXT_PUBLIC_IS_L2_NETWORKL__

README.md

@@ -80,6 +80,7 @@ The app instance could be customized by passing following variables to NodeJS en
 | NEXT_PUBLIC_HOMEPAGE_SHOW_AVG_BLOCK_TIME | `boolean` *(optional)* | Set to false if average block time is useless for the network | `true` |
 | NEXT_PUBLIC_DOMAIN_WITH_AD | `string` *(optional)* | The domain on which we display ads | `blockscout.com` |
 | NEXT_PUBLIC_AD_ADBUTLER_ON | `boolean` *(optional)* | Set to true to show Adbutler banner instead of Coinzilla banner | `false` |
+| NEXT_PUBLIC_API_SPEC_URL | `string` *(optional)* | Spec to be displayed on api-docs page | `https://raw.githubusercontent.com/blockscout/blockscout-api-v2-swagger/main/swagger.yaml` |
 ### App configuration
 
 | Variable | Type | Description | Default value
@@ -126,8 +127,9 @@ The app instance could be customized by passing following variables to NodeJS en
 | --- | --- | --- | --- |
 | NEXT_PUBLIC_SENTRY_DSN | `string` *(optional)* | Client key for your Sentry.io app | `<secret>` |
 | SENTRY_CSP_REPORT_URI | `string` *(optional)* | URL for sending CSP-reports to your Sentry.io app | `<secret>` |
-| NEXT_PUBLIC_AUTH0_CLIENT_ID | `string` *(optional)* | Client id for [Auth0](https://auth0.com/) provider | `<secret>` |
+| NEXT_PUBLIC_AUTH0_CLIENT_ID | `string` | Client id for [Auth0](https://auth0.com/) provider | `<secret>` |
 | NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID | `string` | Project id for [WalletConnect](https://docs.walletconnect.com/2.0/web3modal/react/installation#obtain-project-id) integration | `<secret>` |
+| NEXT_PUBLIC_RE_CAPTCHA_APP_SITE_KEY | `string` | Site key for [reCAPTCHA](https://developers.google.com/recaptcha) service | `<secret>` |
 
 ### L2 configuration
 | Variable | Type | Description | Default value

configs/app/config.ts

@@ -127,6 +127,12 @@ const config = Object.freeze({
   walletConnect: {
     projectId: getEnvValue(process.env.NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID),
   },
+  apiDoc: {
+    specUrl: getEnvValue(process.env.NEXT_PUBLIC_API_SPEC_URL),
+  },
+  reCaptcha: {
+    siteKey: getEnvValue(process.env.NEXT_PUBLIC_RE_CAPTCHA_APP_SITE_KEY) || '',
+  },
 });
 
 export default config;

configs/envs/.env.common

@@ -9,8 +9,10 @@ NEXT_PUBLIC_APP_ENV=development
 NEXT_PUBLIC_BLOCKSCOUT_VERSION=v4.1.7-beta
 NEXT_PUBLIC_FOOTER_GITHUB_LINK=https://github.com/blockscout/blockscout
 NEXT_PUBLIC_FOOTER_TWITTER_LINK=https://www.twitter.com/blockscoutcom
+NEXT_PUBLIC_API_SPEC_URL=https://raw.githubusercontent.com/blockscout/blockscout-api-v2-swagger/main/swagger.yaml
+
 
 # api config
 NEXT_PUBLIC_API_HOST=blockscout.com
 NEXT_PUBLIC_STATS_API_HOST=https://stats-test.aws-k8s.blockscout.com
-NEXT_PUBLIC_VISUALIZE_API_HOST=http://94.131.100.174:8050
+NEXT_PUBLIC_VISUALIZE_API_HOST=https://visualizer.aws-k8s.blockscout.com

configs/envs/.env.localhost

@@ -17,6 +17,7 @@ NEXT_PUBLIC_HOMEPAGE_CHARTS=['daily_txs','coin_price','market_cup']
 NEXT_PUBLIC_HOMEPAGE_PLATE_GRADIENT=radial-gradient(at 12% 37%, hsla(324,73%,67%,1) 0px, transparent 50%), radial-gradient(at 62% 14%, hsla(256,87%,73%,1) 0px, transparent 50%), radial-gradient(at 84% 80%, hsla(128,75%,73%,1) 0px, transparent 50%), radial-gradient(at 57% 46%, hsla(285,63%,72%,1) 0px, transparent 50%), radial-gradient(at 37% 30%, hsla(174,70%,61%,1) 0px, transparent 50%), radial-gradient(at 15% 86%, hsla(350,65%,70%,1) 0px, transparent 50%), radial-gradient(at 67% 57%, hsla(14,95%,76%,1) 0px, transparent 50%)
 #NEXT_PUBLIC_NETWORK_LOGO=https://placekitten.com/300/60
 #NEXT_PUBLIC_NETWORK_SMALL_LOGO=https://placekitten.com/300/300
+NEXT_PUBLIC_API_SPEC_URL=https://raw.githubusercontent.com/blockscout/blockscout-api-v2-swagger/main/swagger.yaml
 
 # network config
 NEXT_PUBLIC_NETWORK_NAME=POA
@@ -32,6 +33,7 @@ NEXT_PUBLIC_IS_ACCOUNT_SUPPORTED=true
 NEXT_PUBLIC_NETWORK_VERIFICATION_TYPE=validation
 NEXT_PUBLIC_MARKETPLACE_SUBMIT_FORM=https://airtable.com/shrqUAcjgGJ4jU88C
 NEXT_PUBLIC_MARKETPLACE_APP_LIST=[{'author': 'Blockscout','id':'token-approval-tracker','title':'Token Approval Tracker','logo':'https://approval-tracker.apps.blockscout.com/icon-192.png','categories':['security','tools'],'shortDescription':'Token Approval Tracker shows all approvals for any ERC20-compliant tokens and NFTs and lets to revoke them or adjust the approved amount.','site':'https://docs.blockscout.com/for-users/blockscout-apps/token-approval-tracker','description':'Token Approval Tracker shows all approvals for any ERC20-compliant tokens and NFTs and lets to revoke them or adjust the approved amount.','url':'https://approval-tracker.apps.blockscout.com/'},{'author': 'Revoke','id':'revoke.cash','title':'Revoke.cash','logo':'https://www.gitbook.com/cdn-cgi/image/width=32,dpr=2.200000047683716,format=auto/https%3A%2F%2Ffiles.gitbook.com%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252F-Lq1XoWGmy8zggj_u2fM%252Fuploads%252FVBMGyUFnd6CScjfK7CYQ%252Frevoke_sing.png%3Falt%3Dmedia%26token%3D9ab94986-7ab1-41c8-bf7e-d9ce11d23182','categories':['security','tools'],'shortDescription': 'Revoke.cash comes in as a preventative tool to manage your token allowances and practice proper wallet hygiene. By regularly revoking active allowances you reduce the chances of becoming the victim of allowance exploits.','site': 'https://revoke.cash/about','description': 'Revoke.cash comes in as a preventative tool to manage your token allowances and practice proper wallet hygiene. By regularly revoking active allowances you reduce the chances of becoming the victim of allowance exploits.','url':'https://revoke.cash/'},{'author':'Aave','id': 'aave','title': 'Aave','logo': 'https://www.gitbook.com/cdn-cgi/image/width=32,dpr=2.200000047683716,format=auto/https%3A%2F%2Ffiles.gitbook.com%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252F-Lq1XoWGmy8zggj_u2fM%252Fuploads%252FrZkUTIUCG7Zx8BW6Em34%252FAave.png%3Falt%3Dmedia%26token%3D249797a4-4c1e-4372-9cd2-3e48e05e5f30','categories':['tools'],'shortDescription':'Aave is a decentralised non-custodial liquidity market protocol where users can participate as suppliers or borrowers. Suppliers provide liquidity to the market to earn a passive income, while borrowers are able to borrow in an overcollateralised (perpetually) or undercollateralised (one-block liquidity) fashion.','site': 'https://docs.aave.com/faq/','description': 'Aave is a decentralised non-custodial liquidity market protocol where users can participate as suppliers or borrowers. Suppliers provide liquidity to the market to earn a passive income, while borrowers are able to borrow in an overcollateralised (perpetually) or undercollateralised (one-block liquidity) fashion.','url': 'https://staging.aave.com/'},{'author':'LooksRare','id':'looksrare','external':true,'title':'LooksRare','logo': 'https://www.gitbook.com/cdn-cgi/image/width=32,dpr=2.200000047683716,format=auto/https%3A%2F%2Ffiles.gitbook.com%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252F-Lq1XoWGmy8zggj_u2fM%252Fuploads%252FeAI4gy3qPMt68mZOZHAx%252FLooksRare.png%3Falt%3Dmedia%26token%3D44c01439-ae09-40aa-b904-3a9ce5b2e002','categories':['tools'],'shortDescription': 'LooksRare is the web3 NFT Marketplace where traders and collectors have earned over $1.3 Billion in rewards.','site':'https://docs.looksrare.org/about/welcome-to-looksrare','description':'LooksRare is the web3 NFT Marketplace where traders and collectors have earned over $1.3 Billion in rewards.','url': 'https://goerli.looksrare.org/'},{'author':'zkSync Bridge','id':'zksync-bridge','external':true,'title':'zkSync Bridge','logo':'https://www.gitbook.com/cdn-cgi/image/width=32,dpr=2.200000047683716,format=auto/https%3A%2F%2Ffiles.gitbook.com%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252F-Lq1XoWGmy8zggj_u2fM%252Fuploads%252FrtQsaAz9BjGBc35tVAnq%252FzkSync.png%3Falt%3Dmedia%26token%3D5c18171c-8ccf-4a88-8f44-680cbf238115','categories':['security','tools'],'shortDescription':'zkSync 2.0 Goerli Bridge','site':'https://v2-docs.zksync.io/dev/','description':'zkSync 2.0 Goerli Bridge','url':'https://portal.zksync.io/bridge'},{'author':'dYdX','id':'dydx','external':true,'title':'dYdX','logo':'https://www.gitbook.com/cdn-cgi/image/width=32,dpr=2.200000047683716,format=auto/https%3A%2F%2Ffiles.gitbook.com%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252F-Lq1XoWGmy8zggj_u2fM%252Fuploads%252FCrOglR72wpi0UhEscwe4%252Fdxdy.png%3Falt%3Dmedia%26token%3D8811909e-93e3-487c-9614-dffce37223e9','categories': ['security','tools'],'shortDescription':'dYdX is a leading decentralized exchange that currently supports perpetual trading. dYdX runs on smart contracts on the Ethereum blockchain, and allows users to trade with no intermediaries.','site':'https://help.dydx.exchange/en/articles/3047379-introduction-and-overview','description':'dYdX is a leading decentralized exchange that currently supports perpetual trading. dYdX runs on smart contracts on the Ethereum blockchain, and allows users to trade with no intermediaries.','url':'https://trade.stage.dydx.exchange/portfolio/overview'},{'author':'MetalSwap','id':'metalswap','title':'MetalSwap','logo':'https://www.gitbook.com/cdn-cgi/image/width=32,dpr=2.200000047683716,format=auto/https%3A%2F%2Ffiles.gitbook.com%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252F-Lq1XoWGmy8zggj_u2fM%252Fuploads%252F8xqldTvxb6avrwVVc3rS%252FMetalSwap.png%3Falt%3Dmedia%26token%3D92d2db99-853a-487d-8d8c-8cdeaeaaf014','categories':['security','tools'],'shortDescription':'MetalSwap is a decentralised platform that enables hedging swaps in financial markets with the aim of providing a hedge for commodity traders and an investment opportunity for those who contribute to the shared liquidity of the project.','site':'https://docs.metalswap.finance/','description':'MetalSwap is a decentralised platform that enables hedging swaps in financial markets with the aim of providing a hedge for commodity traders and an investment opportunity for those who contribute to the shared liquidity of the project.','url':'https://demo.metalswap.finance/'},{'author':'FaucetDao','id':'faucetdao','title':'FaucetDao','logo':'https://www.gitbook.com/cdn-cgi/image/width=32,dpr=2.200000047683716,format=auto/https%3A%2F%2Ffiles.gitbook.com%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252F-Lq1XoWGmy8zggj_u2fM%252Fuploads%252Ffnnt3ZNZhzRwqMM5YYjD%252FPlaceholder.png%3Falt%3Dmedia%26token%3D507571bb-d76f-4d96-a35e-2b278608f7ca','categories':['tools'],'shortDescription':'FaucetDao is a decentralised community fund providing liquidity and support to early-stage well vetted blockchain projects.','site':'https://linktr.ee/faucet_dao','description':'FaucetDao is a decentralised community fund providing liquidity and support to early-stage well vetted blockchain projects.','url':'https://www.faucetdao.shop/swap?chain=goerli'},{'author':'Uniswap','id':'uniswap','title':'Uniswap','logo':'https://www.gitbook.com/cdn-cgi/image/width=32,dpr=2.200000047683716,format=auto/https%3A%2F%2Ffiles.gitbook.com%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252F-Lq1XoWGmy8zggj_u2fM%252Fuploads%252FJc0QAyeaBmFIL97tSmGv%252FUniswap.png%3Falt%3Dmedia%26token%3D5d25d796-c273-4e22-92fa-ff85206bec76','categories':['tools'],'shortDescription':'Uniswap is a cryptocurrency exchange which uses a decentralized network protocol.','site':'https://docs.uniswap.org/','description':'Uniswap is a cryptocurrency exchange which uses a decentralized network protocol.','url':'https://app.uniswap.org/swap'}]
+NEXT_PUBLIC_NETWORK_RPC_URL=https://core.poa.network
 
 # api config
 NEXT_PUBLIC_API_BASE_PATH=/poa/core

deploy/values/main/values.yaml

@@ -491,6 +491,8 @@ frontend:
         - "/token"
         - "/accounts"
         - "/visualize"
+        - "/api-docs"
+        - "/csv-export"
 
   resources:
     limits:
@@ -571,5 +573,7 @@ frontend:
       _default: https://rpc.ankr.com/eth_goerli
     NEXT_PUBLIC_HOMEPAGE_CHARTS:
       _default: "['daily_txs','coin_price','market_cup']"
+    NEXT_PUBLIC_API_SPEC_URL: 
+      _default: https://raw.githubusercontent.com/blockscout/blockscout-api-v2-swagger/main/swagger.yaml
     NEXT_PUBLIC_IS_TESTNET:
       _default: true

deploy/values/review/values.yaml

@@ -327,6 +327,8 @@ frontend:
         - "/tokens"
         - "/accounts"
         - "/visualize"
+        - "/api-docs"
+        - "/csv-export"
 
   resources:
     limits:
@@ -408,5 +410,7 @@ frontend:
       _default: https://rpc.ankr.com/eth_goerli
     NEXT_PUBLIC_NETWORK_EXPLORERS:
       _default: "[{'title':'Anyblock','baseUrl':'https://explorer.anyblock.tools','paths':{'tx':'/ethereum/ethereum/goerli/transaction','address':'/ethereum/ethereum/goerli/address'}},{'title':'Etherscan','baseUrl':'https://goerli.etherscan.io/','paths':{'tx':'/tx','address':'/address'}}]"
+    NEXT_PUBLIC_API_SPEC_URL: 
+      _default: https://raw.githubusercontent.com/blockscout/blockscout-api-v2-swagger/main/swagger.yaml
     NEXT_PUBLIC_IS_TESTNET:
       _default: true
\ No newline at end of file

icons/files/placeholder.svg

+<svg viewBox="0 0 51 50" fill="none" xmlns="http://www.w3.org/2000/svg">
+  <path fill-rule="evenodd" clip-rule="evenodd" d="M11.693 5.058c.498-.57 1.172-.891 1.875-.891h15.91c.351 0 .688.16.937.446l9.28 10.657c.249.285.388.672.388 1.076v24.36c0 .807-.279 1.581-.776 2.152-.498.571-1.172.892-1.875.892H13.568c-.703 0-1.377-.32-1.875-.892-.497-.57-.776-1.345-.776-2.153V7.212c0-.808.28-1.582.776-2.154Zm17.235 2.154h-15.36v33.493h23.864V16.977l-8.504-9.765Z" fill="currentColor"/>
+  <path fill-rule="evenodd" clip-rule="evenodd" d="M28.556 5a1.39 1.39 0 0 1 1.389 1.389v8.333h8.333a1.389 1.389 0 0 1 0 2.778h-9.722a1.389 1.389 0 0 1-1.39-1.389V6.39a1.39 1.39 0 0 1 1.39-1.389ZM22.46 25.151a1.326 1.326 0 0 0-1.875 1.875l3.04 3.04-3.04 3.04a1.326 1.326 0 0 0 1.875 1.875l3.04-3.04 3.04 3.04a1.326 1.326 0 0 0 1.875-1.875l-3.04-3.04 3.04-3.04a1.326 1.326 0 0 0-1.875-1.875l-3.04 3.04-3.04-3.04Z" fill="currentColor"/>
+</svg>

lib/api/nodeFetch.ts

@@ -13,10 +13,9 @@ export default function fetchFactory(
   // first arg can be only a string
   // FIXME migrate to RequestInfo later if needed
   return function fetch(url: string, init?: RequestInit): Promise<Response> {
-    const incomingContentType = _req.headers['content-type'];
     const headers = {
-      accept: 'application/json',
-      'content-type': incomingContentType?.match(/^multipart\/form-data/) ? incomingContentType : 'application/json',
+      accept: _req.headers['accept'] || 'application/json',
+      'content-type': _req.headers['content-type'] || 'application/json',
       cookie: `${ cookies.NAMES.API_TOKEN }=${ _req.cookies[cookies.NAMES.API_TOKEN] }`,
     };
 

lib/api/resources.ts

@@ -351,6 +351,15 @@ export const RESOURCES = {
   old_api: {
     path: '/api',
   },
+  csv_export_txs: {
+    path: '/transactions-csv',
+  },
+  csv_export_internal_txs: {
+    path: '/internal-transactions-csv',
+  },
+  csv_export_token_transfers: {
+    path: '/token-transfers-csv',
+  },
 };
 
 export type ResourceName = keyof typeof RESOURCES;

lib/csp/getCspPolicy.ts

@@ -16,22 +16,21 @@ const MAIN_DOMAINS = [ `*.${ appConfig.host }`, appConfig.host ];
 // eslint-disable-next-line no-restricted-properties
 const REPORT_URI = process.env.SENTRY_CSP_REPORT_URI;
 
-function getNetworksExternalAssets() {
+function getNetworksExternalAssetsHosts() {
   const icons = featuredNetworks
     .filter(({ icon }) => typeof icon === 'string')
-    .map(({ icon }) => new URL(icon as string));
+    .map(({ icon }) => new URL(icon as string).host);
 
-  const logo = appConfig.network.logo ? new URL(appConfig.network.logo) : undefined;
+  const logo = appConfig.network.logo ? new URL(appConfig.network.logo).host : undefined;
 
   return logo ? icons.concat(logo) : icons;
 }
 
-function getMarketplaceAppsOrigins() {
-  return appConfig.marketplaceAppList.map(({ url }) => url);
-}
-
-function getMarketplaceAppsLogosOrigins() {
-  return appConfig.marketplaceAppList.map(({ logo }) => new URL(logo));
+function getMarketplaceAppsHosts() {
+  return {
+    frames: appConfig.marketplaceAppList.map(({ url }) => new URL(url).host),
+    logos: appConfig.marketplaceAppList.map(({ logo }) => new URL(logo).host),
+  };
 }
 
 // we cannot use lodash/uniq in middleware code since it calls new Set() and it'is causing an error in Nextjs
@@ -46,7 +45,7 @@ function unique(array: Array<string | undefined>) {
 }
 
 function makePolicyMap() {
-  const networkExternalAssets = getNetworksExternalAssets();
+  const marketplaceAppsHosts = getMarketplaceAppsHosts();
 
   return {
     'default-src': [
@@ -97,6 +96,11 @@ function makePolicyMap() {
       'servedbyadbutler.com',
       '\'sha256-wMOeDjJaOTjCfNjluteV+tSqHW547T89sgxd8W6tQJM=\'',
       '\'sha256-FcyIn1h7zra8TVnnRhYrwrplxJW7dpD5TV7kP2AG/kI=\'',
+
+      // reCAPTCHA from google
+      'https://www.google.com/recaptcha/api.js',
+      'https://www.gstatic.com',
+      '\'sha256-FDyPg8CqqIpPAfGVKx1YeKduyLs0ghNYWII21wL+7HM=\'',
     ],
 
     'style-src': [
@@ -130,10 +134,10 @@ function makePolicyMap() {
       'avatars.githubusercontent.com', // github avatars
 
       // network assets
-      ...networkExternalAssets.map((url) => url.host),
+      ...getNetworksExternalAssetsHosts(),
 
       // marketplace apps logos
-      ...getMarketplaceAppsLogosOrigins().map((url) => url.host),
+      ...marketplaceAppsHosts.logos,
 
       // ad
       'servedbyadbutler.com',
@@ -150,7 +154,7 @@ function makePolicyMap() {
       KEY_WORDS.DATA,
 
       // google fonts
-      '*.gstatic.com',
+      'fonts.gstatic.com',
       'fonts.googleapis.com',
     ],
 
@@ -167,10 +171,15 @@ function makePolicyMap() {
     ],
 
     'frame-src': [
-      ...getMarketplaceAppsOrigins(),
+      ...marketplaceAppsHosts.frames,
 
       // ad
       'request-global.czilladx.com',
+
+      // reCAPTCHA from google
+      // 'https://www.google.com/',
+      'https://www.google.com/recaptcha/api2/anchor',
+      'https://www.google.com/recaptcha/api2/bframe',
     ],
 
     ...(REPORT_URI ? {

lib/downloadBlob.ts

+export default function downloadBlob(blob: Blob, filename: string) {
+  const url = URL.createObjectURL(blob);
+  const link = document.createElement('a');
+  link.setAttribute('href', url);
+  link.setAttribute('download', filename);
+  link.click();
+
+  link.remove();
+  URL.revokeObjectURL(url);
+}

lib/hooks/useGetCsrfToken.tsx

@@ -14,14 +14,6 @@ export default function useGetCsrfToken() {
       const url = buildUrl('csrf');
       const apiResponse = await fetch(url, { credentials: 'include' });
       const csrfFromHeader = apiResponse.headers.get('x-bs-account-csrf');
-      // eslint-disable-next-line no-console
-      console.log('>>> RESPONSE HEADERS <<<');
-      // eslint-disable-next-line no-console
-      console.table([ {
-        'content-length': apiResponse.headers.get('content-length'),
-        'x-bs-account-csrf': csrfFromHeader,
-      } ]);
-
       return csrfFromHeader ? { token: csrfFromHeader } : undefined;
     }
 

lib/hooks/useNavItems.tsx

@@ -7,8 +7,8 @@ import abiIcon from 'icons/ABI.svg';
 import apiKeysIcon from 'icons/API.svg';
 import appsIcon from 'icons/apps.svg';
 import blocksIcon from 'icons/block.svg';
+import gearIcon from 'icons/gear.svg';
 import globeIcon from 'icons/globe-b.svg';
-// import gearIcon from 'icons/gear.svg';
 import privateTagIcon from 'icons/privattags.svg';
 import profileIcon from 'icons/profile.svg';
 import publicTagIcon from 'icons/publictags.svg';
@@ -44,6 +44,7 @@ export function isGroupItem(item: NavItem | NavGroupItem): item is NavGroupItem
 
 export default function useNavItems(): ReturnType {
   const isMarketplaceFilled = appConfig.marketplaceAppList.length > 0 && appConfig.network.rpcUrl;
+  const hasAPIDocs = appConfig.apiDoc.specUrl;
 
   const router = useRouter();
   const pathname = router.pathname;
@@ -57,6 +58,17 @@ export default function useNavItems(): ReturnType {
       // { text: 'Verified contracts', nextRoute: { pathname: '/verified_contracts' as const }, icon: verifiedIcon, isActive: pathname === '/verified_contracts', isNewUi: false },
     ];
 
+    const otherNavItems: Array<NavItem> = [
+      hasAPIDocs ? {
+        text: 'API documentation',
+        nextRoute: { pathname: '/api-docs' as const },
+        // FIXME: need icon for this item
+        icon: topAccountsIcon,
+        isActive: pathname === '/api-docs',
+        isNewUi: true,
+      } : null,
+    ].filter(notEmpty);
+
     const mainNavItems = [
       {
         text: 'Blockchain',
@@ -72,7 +84,8 @@ export default function useNavItems(): ReturnType {
       // there should be custom site sections like Stats, Faucet, More, etc but never an 'other'
       // examples https://explorer-edgenet.polygon.technology/ and https://explorer.celo.org/
       // at this stage custom menu items is under development, we will implement it later
-      // { text: 'Other', url: link('other'), icon: gearIcon, isActive: pathname === 'other' },
+      otherNavItems.length > 0 ?
+        { text: 'Other', icon: gearIcon, isActive: otherNavItems.some(item => item.isActive), subItems: otherNavItems } : null,
     ].filter(notEmpty);
 
     const accountNavItems = [
@@ -109,5 +122,5 @@ export default function useNavItems(): ReturnType {
       text: 'My profile', nextRoute: { pathname: '/auth/profile' as const }, icon: profileIcon, isActive: pathname === '/auth/profile', isNewUi: true };
 
     return { mainNavItems, accountNavItems, profileItem };
-  }, [ isMarketplaceFilled, pathname ]);
+  }, [ hasAPIDocs, isMarketplaceFilled, pathname ]);
 }

lib/saveAsCSV.ts

 import { unparse } from 'papaparse';
 
+import downloadBlob from 'lib/downloadBlob';
+
 export default function saveAsCSV(headerRows: Array<string>, dataRows: Array<Array<string>>, filename: string) {
   const csv = unparse([
     headerRows,
@@ -8,12 +10,5 @@ export default function saveAsCSV(headerRows: Array<string>, dataRows: Array<Arr
 
   const blob = new Blob([ csv ], { type: 'text/csv;charset=utf-8;' });
 
-  const url = URL.createObjectURL(blob);
-  const link = document.createElement('a');
-  link.setAttribute('href', url);
-  link.setAttribute('download', filename);
-  link.click();
-
-  link.remove();
-  URL.revokeObjectURL(url);
+  downloadBlob(blob, filename);
 }

middleware.ts

@@ -36,8 +36,10 @@ export function middleware(req: NextRequest) {
 
 /**
  * Configure which routes should pass through the Middleware.
- * Exclude all `_next` urls.
  */
 export const config = {
   matcher: [ '/', '/:notunderscore((?!_next).+)' ],
+  // matcher: [
+  //   '/((?!.*\\.|api\\/|node-api\\/).*)', // exclude all static + api + node-api routes
+  // ],
 };

next.config.js

+const withTM = require('next-transpile-modules')([
+  'react-syntax-highlighter',
+  'swagger-client',
+  'swagger-ui-react',
+]);
 const withRoutes = require('nextjs-routes/config')({
   outDir: 'types',
 });
@@ -7,7 +12,7 @@ const headers = require('./configs/nextjs/headers');
 const redirects = require('./configs/nextjs/redirects');
 const rewrites = require('./configs/nextjs/rewrites');
 
-const moduleExports = {
+const moduleExports = withTM({
   include: path.resolve(__dirname, 'icons'),
   reactStrictMode: true,
   webpack(config, { webpack }) {
@@ -34,6 +39,11 @@ const moduleExports = {
   redirects,
   headers,
   output: 'standalone',
-};
+  api: {
+    // disable body parser since we use next.js api only for local development and as a proxy
+    // otherwise it is impossible to upload large files (over 1Mb)
+    bodyParser: false,
+  },
+});
 
 module.exports = withRoutes(moduleExports);

package.json

@@ -65,10 +65,12 @@
     "react": "18.2.0",
     "react-ace": "^10.1.0",
     "react-dom": "18.2.0",
+    "react-google-recaptcha": "^2.1.0",
     "react-hook-form": "^7.33.1",
     "react-identicons": "^1.2.5",
     "react-jazzicon": "^1.0.4",
     "react-scroll": "^1.8.7",
+    "swagger-ui-react": "^4.15.5",
     "use-font-face-observer": "^1.2.1",
     "wagmi": "^0.10.6"
   },
@@ -85,6 +87,8 @@
     "@types/qrcode": "^1.5.0",
     "@types/react": "18.0.9",
     "@types/react-dom": "18.0.5",
+    "@types/swagger-ui-react": "^4.11.0",
+    "@types/react-google-recaptcha": "^2.1.5",
     "@types/ws": "^8.5.3",
     "@typescript-eslint/eslint-plugin": "^5.27.0",
     "dotenv-cli": "^6.0.0",
@@ -100,6 +104,7 @@
     "jest-environment-jsdom": "^29.2.1",
     "lint-staged": ">=10",
     "mockdate": "^3.0.5",
+    "next-transpile-modules": "^10.0.0",
     "playwright": "^1.28.0",
     "svgo": "^2.8.0",
     "ts-jest": "^29.0.3",

pages/api-docs.tsx

+import type { NextPage, GetServerSideProps } from 'next';
+import Head from 'next/head';
+import React from 'react';
+
+import appConfig from 'configs/app/config';
+import getNetworkTitle from 'lib/networks/getNetworkTitle';
+import { getServerSideProps as getServerSidePropsBase } from 'lib/next/getServerSideProps';
+import type { Props } from 'lib/next/getServerSideProps';
+import SwaggerUI from 'ui/apiDocs/SwaggerUI';
+import Page from 'ui/shared/Page/Page';
+import PageTitle from 'ui/shared/Page/PageTitle';
+
+const AppsPage: NextPage = () => {
+  const networkTitle = getNetworkTitle();
+
+  return (
+    <Page>
+      <PageTitle text="API Documentation"/>
+      <Head><title>{ `API for the ${ networkTitle }` }</title></Head>
+      <SwaggerUI/>
+    </Page>
+  );
+};
+
+export default AppsPage;
+
+export const getServerSideProps: GetServerSideProps<Props> = async(args) => {
+  if (!appConfig.apiDoc.specUrl) {
+    return {
+      notFound: true,
+    };
+  }
+
+  return getServerSidePropsBase(args);
+};

pages/csv-export.tsx

 import type { NextPage } from 'next';
+import Head from 'next/head';
+import React from 'react';
+
+import getNetworkTitle from 'lib/networks/getNetworkTitle';
+import CsvExport from 'ui/pages/CsvExport';
 
 const CsvExportPage: NextPage = () => {
-  return null;
+  const title = getNetworkTitle();
+  return (
+    <>
+      <Head>
+        <title>{ title }</title>
+      </Head>
+      <CsvExport/>
+    </>
+  );
 };
 
 export default CsvExportPage;
 
-export async function getServerSideProps() {
-  return {
-    notFound: true,
-  };
-}
+export { getServerSideProps } from 'lib/next/getServerSideProps';

playwright/fixtures/socketServer.ts

@@ -4,6 +4,7 @@ import { WebSocketServer } from 'ws';
 
 import type { AddressCoinBalanceHistoryItem } from 'types/api/address';
 import type { NewBlockSocketResponse } from 'types/api/block';
+import type { SmartContractVerificationResponse } from 'types/api/contract';
 
 type ReturnType = () => Promise<WebSocket>;
 
@@ -59,6 +60,7 @@ export function sendMessage(socket: WebSocket, channel: Channel, msg: 'token_bal
 export function sendMessage(socket: WebSocket, channel: Channel, msg: 'transaction', payload: { transaction: number }): void;
 export function sendMessage(socket: WebSocket, channel: Channel, msg: 'pending_transaction', payload: { pending_transaction: number }): void;
 export function sendMessage(socket: WebSocket, channel: Channel, msg: 'new_block', payload: NewBlockSocketResponse): void;
+export function sendMessage(socket: WebSocket, channel: Channel, msg: 'verification_result', payload: SmartContractVerificationResponse): void;
 export function sendMessage(socket: WebSocket, channel: Channel, msg: string, payload: unknown): void {
   socket.send(JSON.stringify([
     ...channel,

theme/foundations/semanticTokens.ts

@@ -20,6 +20,9 @@ const semanticTokens = {
       _dark: 'red.300',
     },
   },
+  shadows: {
+    action_bar: '0 4px 4px -4px rgb(0 0 0 / 10%), 0 2px 4px -4px rgb(0 0 0 / 6%)',
+  },
 };
 
 export default semanticTokens;

types/client/address.ts

+export type CsvExportType = 'transactions' | 'internal-transactions' | 'token-transfers';

types/nextjs-routes.d.ts

@@ -16,6 +16,7 @@ declare module "nextjs-routes" {
     | DynamicRoute<"/address/[hash]", { "hash": string }>
     | StaticRoute<"/api/csrf">
     | StaticRoute<"/api/proxy">
+    | StaticRoute<"/api-docs">
     | DynamicRoute<"/apps/[id]", { "id": string }>
     | StaticRoute<"/apps">
     | StaticRoute<"/auth/auth0">

ui/address/AddressBlocksValidated.tsx

@@ -76,7 +76,7 @@ const AddressBlocksValidated = ({ scrollRef }: Props) => {
       return (
         <>
           <Hide below="lg" ssr={ false }>
-            <SkeletonTable columns={ [ '17%', '17%', '16%', '25%', '25%' ] }/>
+            <SkeletonTable columns={ [ '17%', '17%', '16%', '25%', '25%' ] } isLong/>
           </Hide>
           <Show below="lg" ssr={ false }>
             <SkeletonList/>
@@ -125,7 +125,7 @@ const AddressBlocksValidated = ({ scrollRef }: Props) => {
   return (
     <Box>
       { query.isPaginationVisible && (
-        <ActionBar mt={ -6 }>
+        <ActionBar mt={ -6 } showShadow={ query.isLoading }>
           <Pagination ml="auto" { ...query.pagination }/>
         </ActionBar>
       ) }

ui/address/AddressCsvExportLink.tsx

-import { chakra, Icon, Link, Tooltip, Hide } from '@chakra-ui/react';
+import { chakra, Icon, Tooltip, Hide } from '@chakra-ui/react';
 import { route } from 'nextjs-routes';
 import React from 'react';
 
+import type { CsvExportType } from 'types/client/address';
+
 import svgFileIcon from 'icons/files/csv.svg';
 import useIsMobile from 'lib/hooks/useIsMobile';
+import LinkInternal from 'ui/shared/LinkInternal';
 
 interface Props {
   address: string;
-  type: 'transactions' | 'internal-transactions' | 'token-transfers';
+  type: CsvExportType;
   className?: string;
 }
 
@@ -16,7 +19,7 @@ const AddressCsvExportLink = ({ className, address, type }: Props) => {
 
   return (
     <Tooltip isDisabled={ !isMobile } label="Download CSV">
-      <Link
+      <LinkInternal
         className={ className }
         display="inline-flex"
         alignItems="center"
@@ -26,7 +29,7 @@ const AddressCsvExportLink = ({ className, address, type }: Props) => {
       >
         <Icon as={ svgFileIcon } boxSize={{ base: '30px', lg: 6 }}/>
         <Hide ssr={ false } below="lg"><chakra.span ml={ 1 }>Download CSV</chakra.span></Hide>
-      </Link>
+      </LinkInternal>
     </Tooltip>
   );
 };

ui/address/AddressDetails.pw.tsx

@@ -11,6 +11,7 @@ import * as countersMock from 'mocks/address/counters';
 import * as tokensMock from 'mocks/address/tokens';
 import TestApp from 'playwright/TestApp';
 import buildApiUrl from 'playwright/utils/buildApiUrl';
+import insertAdPlaceholder from 'playwright/utils/insertAdPlaceholder';
 
 import AddressDetails from './AddressDetails';
 import MockAddressPage from './testUtils/MockAddressPage';
@@ -44,6 +45,8 @@ test('contract +@mobile', async({ mount, page }) => {
     { hooksConfig },
   );
 
+  await insertAdPlaceholder(page);
+
   await expect(component).toHaveScreenshot();
 });
 
@@ -82,6 +85,8 @@ test('token', async({ mount, page }) => {
     { hooksConfig },
   );
 
+  await insertAdPlaceholder(page);
+
   await expect(component).toHaveScreenshot();
 });
 
@@ -102,5 +107,7 @@ test('validator +@mobile', async({ mount, page }) => {
     { hooksConfig },
   );
 
+  await insertAdPlaceholder(page);
+
   await expect(component).toHaveScreenshot();
 });

ui/address/AddressDetails.tsx

@@ -16,6 +16,7 @@ import AddressLink from 'ui/shared/address/AddressLink';
 import AddressHeadingInfo from 'ui/shared/AddressHeadingInfo';
 import DataFetchAlert from 'ui/shared/DataFetchAlert';
 import DetailsInfoItem from 'ui/shared/DetailsInfoItem';
+import DetailsSponsoredItem from 'ui/shared/DetailsSponsoredItem';
 import HashStringShortenDynamic from 'ui/shared/HashStringShortenDynamic';
 import LinkExternal from 'ui/shared/LinkExternal';
 import LinkInternal from 'ui/shared/LinkInternal';
@@ -193,6 +194,7 @@ const AddressDetails = ({ addressQuery, scrollRef }: Props) => {
             </LinkInternal>
           </DetailsInfoItem>
         ) }
+        <DetailsSponsoredItem/>
       </Grid>
     </Box>
   );

ui/address/AddressInternalTxs.tsx

@@ -9,13 +9,13 @@ import getFilterValueFromQuery from 'lib/getFilterValueFromQuery';
 import useQueryWithPages from 'lib/hooks/useQueryWithPages';
 import { apos } from 'lib/html-entities';
 import getQueryParamString from 'lib/router/getQueryParamString';
-import AddressIntTxsSkeletonDesktop from 'ui/address/internals/AddressIntTxsSkeletonDesktop';
-import AddressIntTxsSkeletonMobile from 'ui/address/internals/AddressIntTxsSkeletonMobile';
 import AddressIntTxsTable from 'ui/address/internals/AddressIntTxsTable';
 import EmptySearchResult from 'ui/apps/EmptySearchResult';
 import ActionBar from 'ui/shared/ActionBar';
 import DataFetchAlert from 'ui/shared/DataFetchAlert';
 import Pagination from 'ui/shared/Pagination';
+import SkeletonList from 'ui/shared/skeletons/SkeletonList';
+import SkeletonTable from 'ui/shared/skeletons/SkeletonTable';
 
 import AddressCsvExportLink from './AddressCsvExportLink';
 import AddressTxsFilter from './AddressTxsFilter';
@@ -43,29 +43,33 @@ const AddressInternalTxs = ({ scrollRef }: {scrollRef?: React.RefObject<HTMLDivE
     onFilterChange({ filter: newVal });
   }, [ onFilterChange ]);
 
-  if (isLoading) {
-    return (
-      <>
-        <Show below="lg" ssr={ false }><AddressIntTxsSkeletonMobile/></Show>
-        <Hide below="lg" ssr={ false }><AddressIntTxsSkeletonDesktop/></Hide>
-      </>
-    );
-  }
+  const content = (() => {
+    if (isError) {
+      return <DataFetchAlert/>;
+    }
+
+    if (isLoading) {
+      return (
+        <>
+          <Show below="lg" ssr={ false }>
+            <SkeletonList/>
+          </Show>
+          <Hide below="lg" ssr={ false }>
+            <SkeletonTable columns={ [ '15%', '15%', '10%', '20%', '20%', '20%' ] } isLong/>
+          </Hide>
+        </>
+      );
+    }
+
+    if (data.items.length === 0 && !filterValue) {
+      return <Text as="span">There are no internal transactions for this address.</Text>;
+    }
+
+    if (data.items.length === 0) {
+      return <EmptySearchResult text={ `Couldn${ apos }t find any transaction that matches your query.` }/>;
+    }
 
-  if (isError) {
-    return <DataFetchAlert/>;
-  }
-
-  if (data.items.length === 0 && !filterValue) {
-    return <Text as="span">There are no internal transactions for this address.</Text>;
-  }
-
-  let content;
-
-  if (data.items.length === 0) {
-    content = <EmptySearchResult text={ `Couldn${ apos }t find any transaction that matches your query.` }/>;
-  } else {
-    content = (
+    return (
       <>
         <Show below="lg" ssr={ false }>
           <AddressIntTxsList data={ data.items } currentAddress={ hash }/>
@@ -75,11 +79,11 @@ const AddressInternalTxs = ({ scrollRef }: {scrollRef?: React.RefObject<HTMLDivE
         </Hide>
       </>
     );
-  }
+  })();
 
   return (
     <>
-      <ActionBar mt={ -6 } justifyContent="left">
+      <ActionBar mt={ -6 } justifyContent="left" showShadow={ isLoading }>
         <AddressTxsFilter
           defaultFilter={ filterValue }
           onFilterChange={ handleFilterChange }

ui/address/AddressLogs.tsx

@@ -25,7 +25,7 @@ const AddressLogs = ({ scrollRef }: {scrollRef?: React.RefObject<HTMLDivElement>
   }
 
   const bar = isPaginationVisible ? (
-    <ActionBar mt={ -6 }>
+    <ActionBar mt={ -6 } showShadow>
       <Pagination ml="auto" { ...pagination }/>
     </ActionBar>
   ) : null;

ui/address/AddressTokenTransfers.tsx

@@ -169,7 +169,7 @@ const AddressTokenTransfers = ({ scrollRef }: {scrollRef?: React.RefObject<HTMLD
       return (
         <>
           <Hide below="lg" ssr={ false }>
-            <SkeletonTable columns={ [ '44px', '185px', '160px', '25%', '25%', '25%', '25%' ] }/>
+            <SkeletonTable columns={ [ '44px', '185px', '160px', '25%', '25%', '25%', '25%' ] } isLong/>
           </Hide>
           <Show below="lg" ssr={ false }>
             <SkeletonList/>
@@ -253,7 +253,7 @@ const AddressTokenTransfers = ({ scrollRef }: {scrollRef?: React.RefObject<HTMLD
     <>
       { isMobile && tokenFilterComponent }
       { !isActionBarHidden && (
-        <ActionBar mt={ -6 }>
+        <ActionBar mt={ -6 } showShadow={ isLoading }>
           { !isMobile && tokenFilterComponent }
           { !tokenFilter && (
             <TokenTransferFilter

ui/address/AddressTxs.tsx

@@ -138,7 +138,7 @@ const AddressTxs = ({ scrollRef }: {scrollRef?: React.RefObject<HTMLDivElement>}
   return (
     <>
       { !isMobile && (
-        <ActionBar mt={ -6 }>
+        <ActionBar mt={ -6 } showShadow={ addressTxsQuery.isLoading }>
           { filter }
           { currentAddress && <AddressCsvExportLink address={ currentAddress } type="transactions" ml="auto"/> }
           { addressTxsQuery.isPaginationVisible && <Pagination { ...addressTxsQuery.pagination } ml={ 8 }/> }
@@ -152,6 +152,8 @@ const AddressTxs = ({ scrollRef }: {scrollRef?: React.RefObject<HTMLDivElement>}
         showSocketInfo={ addressTxsQuery.pagination.page === 1 }
         socketInfoAlert={ socketAlert }
         socketInfoNum={ newItemsCount }
+        top={ 80 }
+        hasLongSkeleton
       />
     </>
   );

ui/address/coinBalance/AddressCoinBalanceHistory.tsx

@@ -43,6 +43,10 @@ const AddressCoinBalanceHistory = ({ query }: Props) => {
       return <DataFetchAlert/>;
     }
 
+    if (query.data.items.length === 0 && !query.isPaginationVisible) {
+      return <span>There is no coin balance history for this address</span>;
+    }
+
     return (
       <>
         <Hide below="lg" ssr={ false }>

ui/address/details/AddressNameInfo.tsx

@@ -20,7 +20,7 @@ const AddressNameInfo = ({ data }: Props) => {
         hint="Token name and symbol"
       >
         <LinkInternal href={ route({ pathname: '/token/[hash]', query: { hash: data.token.address } }) }>
-          { data.token.name }{ symbol }
+          { data.token.name || 'Unnamed token' }{ symbol }
         </LinkInternal>
       </DetailsInfoItem>
     );

ui/address/internals/AddressIntTxsSkeletonDesktop.tsx

-import React from 'react';
-
-import SkeletonTable from 'ui/shared/skeletons/SkeletonTable';
-
-const TxInternalsSkeletonDesktop = () => {
-  return (
-    <SkeletonTable columns={ [ '15%', '15%', '10%', '20%', '20%', '20%' ] }/>
-  );
-};
-
-export default TxInternalsSkeletonDesktop;

ui/address/internals/AddressIntTxsSkeletonMobile.tsx

-import { Skeleton, SkeletonCircle, Flex, Box } from '@chakra-ui/react';
-import React from 'react';
-
-const TxInternalsSkeletonMobile = () => {
-  return (
-    <Box>
-      { Array.from(Array(2)).map((item, index) => (
-        <Flex
-          key={ index }
-          rowGap={ 3 }
-          flexDirection="column"
-          paddingY={ 6 }
-          borderTopWidth="1px"
-          borderColor="divider"
-          _last={{
-            borderBottomWidth: '1px',
-          }}
-        >
-          <Flex h={ 6 }>
-            <Skeleton w="100px" mr={ 2 }/>
-            <Skeleton w="90px"/>
-          </Flex>
-          <Flex h={ 6 }>
-            <Skeleton w="100%" mr={ 2 }/>
-            <Skeleton w="60px"/>
-          </Flex>
-          <Flex h={ 6 }>
-            <Skeleton w="70px" mr={ 2 }/>
-            <Skeleton w="30px"/>
-          </Flex>
-          <Flex h={ 6 }>
-            <SkeletonCircle size="6" mr={ 2 } flexShrink={ 0 }/>
-            <Skeleton flexGrow={ 1 } mr={ 3 }/>
-            <Skeleton w={ 6 } mr={ 3 }/>
-            <SkeletonCircle size="6" mr={ 2 } flexShrink={ 0 }/>
-            <Skeleton flexGrow={ 1 } mr={ 3 }/>
-          </Flex>
-          <Flex h={ 6 }>
-            <Skeleton w="70px" mr={ 2 }/>
-            <Skeleton w="30px"/>
-          </Flex>
-        </Flex>
-      )) }
-    </Box>
-  );
-};
-
-export default TxInternalsSkeletonMobile;

ui/apiDocs/SwaggerUI.tsx

+/* eslint-disable @typescript-eslint/naming-convention */
+const SwaggerUIReact = dynamic(() => import('swagger-ui-react'), {
+  loading: () => <Spinner/>,
+  ssr: false,
+});
+
+import { Box, Spinner, useColorModeValue } from '@chakra-ui/react';
+import dynamic from 'next/dynamic';
+import React from 'react';
+
+import appConfig from 'configs/app/config';
+
+import 'swagger-ui-react/swagger-ui.css';
+
+const DEFAULT_SERVER = 'blockscout.com/poa/core';
+
+const NeverShowInfoPlugin = () => {
+  return {
+    components: {
+      SchemesContainer: () => null,
+      ServersContainer: () => null,
+      InfoContainer: () => null,
+    },
+  };
+};
+
+const SwaggerUI = () => {
+  const swaggerStyle = {
+    '.scheme-container, .opblock-tag': {
+      display: 'none',
+    },
+    '.swagger-ui': {
+      color: useColorModeValue('blackAlpha.800', 'whiteAlpha.800'),
+    },
+    '.swagger-ui .opblock-summary-control:focus': {
+      outline: 'none',
+    },
+    // eslint-disable-next-line max-len
+    '.swagger-ui .opblock .opblock-summary-path, .swagger-ui .opblock .opblock-summary-description, .swagger-ui div, .swagger-ui p, .swagger-ui h5, .swagger-ui .response-col_links, .swagger-ui h4, .swagger-ui table thead tr th, .swagger-ui table thead tr td, .swagger-ui .parameter__name, .swagger-ui .parameter__type, .swagger-ui .response-col_status, .swagger-ui .tab li, .swagger-ui .opblock .opblock-section-header h4': {
+      color: 'unset',
+    },
+    '.swagger-ui input': {
+      color: 'blackAlpha.800',
+    },
+    '.swagger-ui .opblock .opblock-section-header': {
+      background: useColorModeValue('whiteAlpha.800', 'blackAlpha.800'),
+    },
+    '.swagger-ui .response-col_description__inner p, .swagger-ui .parameters-col_description p': {
+      margin: 0,
+    },
+    '.swagger-ui .wrapper': {
+      padding: 0,
+    },
+  };
+
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const reqInterceptor = React.useCallback((req: any) => {
+    if (!req.loadSpec) {
+      req.url = req.url.replace(DEFAULT_SERVER, appConfig.api.host);
+    }
+    return req;
+  }, []);
+
+  return (
+    <Box sx={ swaggerStyle }>
+      <SwaggerUIReact
+        url={ appConfig.apiDoc.specUrl }
+        plugins={ [ NeverShowInfoPlugin ] }
+        requestInterceptor={ reqInterceptor }
+      />
+    </Box>
+  );
+};
+
+export default SwaggerUI;

ui/block/BlockDetails.tsx

@@ -118,7 +118,7 @@ const BlockDetails = () => {
         hint="The number of transactions in the block"
       >
         <LinkInternal href={ route({ pathname: '/block/[height]', query: { height, tab: 'txs' } }) }>
-          { data.tx_count } transactions
+          { data.tx_count } transaction{ data.tx_count === 1 ? '' : 's' }
         </LinkInternal>
       </DetailsInfoItem>
       <DetailsInfoItem
@@ -274,18 +274,18 @@ const BlockDetails = () => {
           <DetailsInfoItem
             title="Difficulty"
             hint={ `Block difficulty for ${ validatorTitle }, used to calibrate block generation time` }
-            whiteSpace="normal"
-            wordBreak="break-all"
           >
-            { BigNumber(data.difficulty).toFormat() }
+            <Box whiteSpace="nowrap" overflow="hidden">
+              <HashStringShortenDynamic hash={ BigNumber(data.difficulty).toFormat() }/>
+            </Box>
           </DetailsInfoItem>
           <DetailsInfoItem
             title="Total difficulty"
             hint="Total difficulty of the chain until this block"
-            whiteSpace="normal"
-            wordBreak="break-all"
           >
-            { BigNumber(data.total_difficulty).toFormat() }
+            <Box whiteSpace="nowrap" overflow="hidden">
+              <HashStringShortenDynamic hash={ BigNumber(data.total_difficulty).toFormat() }/>
+            </Box>
           </DetailsInfoItem>
 
           { sectionGap }

ui/contractVerification/ContractVerificationForm.pw.tsx

@@ -3,6 +3,7 @@ import React from 'react';
 
 import type { SmartContractVerificationConfig } from 'types/api/contract';
 
+import * as socketServer from 'playwright/fixtures/socketServer';
 import TestApp from 'playwright/TestApp';
 
 import ContractVerificationForm from './ContractVerificationForm';
@@ -34,6 +35,7 @@ const formConfig: SmartContractVerificationConfig = {
     'sourcify',
     'multi-part',
     'vyper-code',
+    'vyper-multi-part',
   ],
   vyper_compiler_versions: [
     'v0.3.7+commit.6020b8bb',
@@ -60,8 +62,9 @@ test('flatten source code method +@dark-mode +@mobile', async({ mount, page }) =
     { hooksConfig },
   );
 
-  await page.getByText(/flattened source code/i).click();
-  await page.getByText(/optimization enabled/i).click();
+  await component.getByLabel(/verification method/i).focus();
+  await component.getByLabel(/verification method/i).type('solidity');
+  await page.getByRole('button', { name: /flattened source code/i }).click();
   await page.getByText(/add contract libraries/i).click();
   await page.locator('button[aria-label="add"]').click();
 
@@ -76,12 +79,64 @@ test('standard input json method', async({ mount, page }) => {
     { hooksConfig },
   );
 
-  await page.getByText(/via standard/i).click();
+  await component.getByLabel(/verification method/i).focus();
+  await component.getByLabel(/verification method/i).type('solidity');
+  await page.getByRole('button', { name: /standard json input/i }).click();
 
   await expect(component).toHaveScreenshot();
 });
 
-test('sourcify method +@dark-mode +@mobile', async({ mount, page }) => {
+test.describe('sourcify', () => {
+  const testWithSocket = test.extend<socketServer.SocketServerFixture>({
+    createSocket: socketServer.createSocket,
+  });
+  testWithSocket.describe.configure({ mode: 'serial', timeout: 20_000 });
+
+  testWithSocket('with multiple contracts +@mobile', async({ mount, page, createSocket }) => {
+    const component = await mount(
+      <TestApp withSocket>
+        <ContractVerificationForm config={ formConfig } hash={ hash }/>
+      </TestApp>,
+      { hooksConfig },
+    );
+
+    await component.getByLabel(/verification method/i).focus();
+    await component.getByLabel(/verification method/i).type('solidity');
+    await page.getByRole('button', { name: /sourcify/i }).click();
+
+    await page.getByText(/drop files/i).click();
+    await page.locator('input[name="sources"]').setInputFiles([
+      './playwright/mocks/file_mock_1.json',
+      './playwright/mocks/file_mock_2.json',
+      './playwright/mocks/file_mock_with_very_long_name.json',
+    ]);
+
+    await expect(component).toHaveScreenshot();
+
+    const socket = await createSocket();
+    const channel = await socketServer.joinChannel(socket, `addresses:${ hash.toLowerCase() }`);
+
+    await page.getByRole('button', { name: /verify/i }).click();
+
+    socketServer.sendMessage(socket, channel, 'verification_result', {
+      status: 'error',
+      errors: {
+        // eslint-disable-next-line max-len
+        files: [ 'Detected 5 contracts (ERC20, IERC20, IERC20Metadata, Context, MockERC20), but can only verify 1 at a time. Please choose a main contract and click Verify again.' ],
+      },
+    });
+
+    await component.getByLabel(/contract name/i).focus();
+    await component.getByLabel(/contract name/i).type('e');
+    const contractNameOption = page.getByRole('button', { name: /MockERC20/i });
+
+    await expect(contractNameOption).toBeVisible();
+
+    await expect(component).toHaveScreenshot();
+  });
+});
+
+test('multi-part files method', async({ mount, page }) => {
   const component = await mount(
     <TestApp>
       <ContractVerificationForm config={ formConfig } hash={ hash }/>
@@ -89,18 +144,14 @@ test('sourcify method +@dark-mode +@mobile', async({ mount, page }) => {
     { hooksConfig },
   );
 
-  await page.getByText(/via sourcify/i).click();
-  await page.getByText(/upload files/i).click();
-  await page.locator('input[name="sources"]').setInputFiles([
-    './playwright/mocks/file_mock_1.json',
-    './playwright/mocks/file_mock_2.json',
-    './playwright/mocks/file_mock_with_very_long_name.json',
-  ]);
+  await component.getByLabel(/verification method/i).focus();
+  await component.getByLabel(/verification method/i).type('solidity');
+  await page.getByRole('button', { name: /multi-part files/i }).click();
 
   await expect(component).toHaveScreenshot();
 });
 
-test('multi-part files method', async({ mount, page }) => {
+test('vyper contract method', async({ mount, page }) => {
   const component = await mount(
     <TestApp>
       <ContractVerificationForm config={ formConfig } hash={ hash }/>
@@ -108,12 +159,14 @@ test('multi-part files method', async({ mount, page }) => {
     { hooksConfig },
   );
 
-  await page.getByText(/via multi-part files/i).click();
+  await component.getByLabel(/verification method/i).focus();
+  await component.getByLabel(/verification method/i).type('vyper');
+  await page.getByRole('button', { name: /contract/i }).click();
 
   await expect(component).toHaveScreenshot();
 });
 
-test('vyper contract method', async({ mount, page }) => {
+test('vyper multi-part method', async({ mount, page }) => {
   const component = await mount(
     <TestApp>
       <ContractVerificationForm config={ formConfig } hash={ hash }/>
@@ -121,7 +174,9 @@ test('vyper contract method', async({ mount, page }) => {
     { hooksConfig },
   );
 
-  await page.getByText(/vyper contract/i).click();
+  await component.getByLabel(/verification method/i).focus();
+  await component.getByLabel(/verification method/i).type('vyper');
+  await page.getByRole('button', { name: /multi-part files/i }).click();
 
   await expect(component).toHaveScreenshot();
 });

ui/contractVerification/ContractVerificationForm.tsx

-import { Button, chakra } from '@chakra-ui/react';
+import { Button, chakra, useUpdateEffect } from '@chakra-ui/react';
 import { useRouter } from 'next/router';
 import React from 'react';
 import type { SubmitHandler } from 'react-hook-form';
@@ -20,7 +20,7 @@ import ContractVerificationSourcify from './methods/ContractVerificationSourcify
 import ContractVerificationStandardInput from './methods/ContractVerificationStandardInput';
 import ContractVerificationVyperContract from './methods/ContractVerificationVyperContract';
 import ContractVerificationVyperMultiPartFile from './methods/ContractVerificationVyperMultiPartFile';
-import { prepareRequestBody, formatSocketErrors } from './utils';
+import { prepareRequestBody, formatSocketErrors, DEFAULT_VALUES } from './utils';
 
 const METHOD_COMPONENTS = {
   'flattened-code': <ContractVerificationFlattenSourceCode/>,
@@ -40,11 +40,9 @@ interface Props {
 const ContractVerificationForm = ({ method: methodFromQuery, config, hash }: Props) => {
   const formApi = useForm<FormFields>({
     mode: 'onBlur',
-    defaultValues: {
-      method: methodFromQuery,
-    },
+    defaultValues: methodFromQuery ? DEFAULT_VALUES[methodFromQuery] : undefined,
   });
-  const { control, handleSubmit, watch, formState, setError } = formApi;
+  const { control, handleSubmit, watch, formState, setError, reset } = formApi;
   const submitPromiseResolver = React.useRef<(value: unknown) => void>();
 
   const apiFetch = useApiFetch();
@@ -56,7 +54,7 @@ const ContractVerificationForm = ({ method: methodFromQuery, config, hash }: Pro
 
     try {
       await apiFetch('contract_verification_via', {
-        pathParams: { method: data.method, hash },
+        pathParams: { method: data.method.value, hash: hash.toLowerCase() },
         fetchParams: {
           method: 'POST',
           body,
@@ -109,7 +107,10 @@ const ContractVerificationForm = ({ method: methodFromQuery, config, hash }: Pro
       variant: 'subtle',
       isClosable: true,
     });
-  }, [ formState.isSubmitting, toast ]);
+  // callback should not change when form is submitted
+  // otherwise it will resubscribe to channel, but we don't want that since in that case we might miss verification result message
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [ toast ]);
 
   const channel = useSocketChannel({
     topic: `addresses:${ hash.toLowerCase() }`,
@@ -124,7 +125,15 @@ const ContractVerificationForm = ({ method: methodFromQuery, config, hash }: Pro
   });
 
   const method = watch('method');
-  const content = METHOD_COMPONENTS[method] || null;
+  const content = METHOD_COMPONENTS[method?.value] || null;
+  const methodValue = method?.value;
+
+  useUpdateEffect(() => {
+    if (methodValue) {
+      reset(DEFAULT_VALUES[methodValue]);
+    }
+  // !!! should run only when method is changed
+  }, [ methodValue ]);
 
   return (
     <FormProvider { ...formApi }>
@@ -134,8 +143,8 @@ const ContractVerificationForm = ({ method: methodFromQuery, config, hash }: Pro
       >
         <ContractVerificationFieldMethod
           control={ control }
-          isDisabled={ Boolean(method) }
           methods={ config.verification_options }
+          isDisabled={ formState.isSubmitting }
         />
         { content }
         { Boolean(method) && (

ui/contractVerification/ContractVerificationMethod.tsx

@@ -15,8 +15,8 @@ const ContractVerificationMethod = ({ title, children }: Props) => {
 
   return (
     <section ref={ ref }>
-      <Text variant="secondary" mt={ 12 } mb={ 5 } fontSize="sm">{ title }</Text>
-      <Grid columnGap="30px" rowGap={{ base: 2, lg: 4 }} templateColumns={{ base: '1fr', lg: 'minmax(auto, 680px) minmax(0, 340px)' }}>
+      <Text fontWeight={ 500 } fontSize="lg" fontFamily="heading" mt={ 12 } mb={ 5 }>{ title }</Text>
+      <Grid columnGap="30px" rowGap={{ base: 2, lg: 5 }} templateColumns={{ base: '1fr', lg: 'minmax(0, 680px) minmax(0, 340px)' }}>
         { children }
       </Grid>
     </section>

ui/contractVerification/fields/ContractVerificationFieldAutodetectArgs.tsx

@@ -34,7 +34,6 @@ const ContractVerificationFieldAutodetectArgs = () => {
           name="autodetect_constructor_args"
           control={ control }
           render={ renderControl }
-          defaultValue={ true }
         />
       </ContractVerificationFormRow>
       { !isOn && <ContractVerificationFieldConstructorArgs/> }

ui/contractVerification/fields/ContractVerificationFieldCode.tsx

@@ -41,7 +41,6 @@ const ContractVerificationFieldCode = ({ isVyper }: Props) => {
         control={ control }
         render={ renderControl }
         rules={{ required: true }}
-        defaultValue=""
       />
       { isVyper ? null : (
         <>

ui/contractVerification/fields/ContractVerificationFieldCompiler.tsx

-import { Code } from '@chakra-ui/react';
+import { chakra, Checkbox, Code } from '@chakra-ui/react';
 import { useQueryClient } from '@tanstack/react-query';
 import React from 'react';
 import type { ControllerRenderProps } from 'react-hook-form';
@@ -20,26 +20,30 @@ interface Props {
 }
 
 const ContractVerificationFieldCompiler = ({ isVyper }: Props) => {
-  const { formState, control } = useFormContext<FormFields>();
+  const [ isNightly, setIsNightly ] = React.useState(false);
+  const { formState, control, getValues, resetField } = useFormContext<FormFields>();
   const isMobile = useIsMobile();
   const queryClient = useQueryClient();
   const config = queryClient.getQueryData<SmartContractVerificationConfig>(getResourceKey('contract_verification_config'));
 
+  const handleCheckboxChange = React.useCallback(() => {
+    if (isNightly) {
+      const field = getValues('compiler');
+      field?.value.includes('nightly') && resetField('compiler', { defaultValue: null });
+    }
+    setIsNightly(prev => !prev);
+  }, [ getValues, isNightly, resetField ]);
+
   const options = React.useMemo(() => (
     (isVyper ? config?.vyper_compiler_versions : config?.solidity_compiler_versions)?.map((option) => ({ label: option, value: option })) || []
   ), [ config?.solidity_compiler_versions, config?.vyper_compiler_versions, isVyper ]);
 
   const loadOptions = React.useCallback(async(inputValue: string) => {
     return options
-      .filter(({ label }) => {
-        if (!inputValue) {
-          return !label.toLowerCase().includes('nightly');
-        }
-
-        return label.toLowerCase().includes(inputValue.toLowerCase());
-      })
+      .filter(({ label }) => !inputValue || label.toLowerCase().includes(inputValue.toLowerCase()))
+      .filter(({ label }) => isNightly ? true : !label.includes('nightly'))
       .slice(0, OPTIONS_LIMIT);
-  }, [ options ]);
+  }, [ isNightly, options ]);
 
   const renderControl = React.useCallback(({ field }: {field: ControllerRenderProps<FormFields, 'compiler'>}) => {
     const error = 'compiler' in formState.errors ? formState.errors.compiler : undefined;
@@ -61,20 +65,32 @@ const ContractVerificationFieldCompiler = ({ isVyper }: Props) => {
 
   return (
     <ContractVerificationFormRow>
-      <Controller
-        name="compiler"
-        control={ control }
-        render={ renderControl }
-        rules={{ required: true }}
-      />
+      <>
+        { !isVyper && (
+          <Checkbox
+            size="lg"
+            mb={ 2 }
+            onChange={ handleCheckboxChange }
+            isDisabled={ formState.isSubmitting }
+          >
+            Include nightly builds
+          </Checkbox>
+        ) }
+        <Controller
+          name="compiler"
+          control={ control }
+          render={ renderControl }
+          rules={{ required: true }}
+        />
+      </>
       { isVyper ? null : (
-        <>
-          <span>The compiler version is specified in </span>
+        <chakra.div mt={{ base: 0, lg: 8 }}>
+          <span >The compiler version is specified in </span>
           <Code color="text_secondary">pragma solidity X.X.X</Code>
           <span>. Use the compiler version rather than the nightly build. If using the Solidity compiler, run </span>
           <Code color="text_secondary">solc —version</Code>
           <span> to check.</span>
-        </>
+        </chakra.div>
       ) }
     </ContractVerificationFormRow>
   );

ui/contractVerification/fields/ContractVerificationFieldContractIndex.tsx

+import { useUpdateEffect } from '@chakra-ui/react';
+import React from 'react';
+import type { ControllerRenderProps } from 'react-hook-form';
+import { useFormContext, Controller } from 'react-hook-form';
+
+import type { FormFields } from '../types';
+import type { Option } from 'ui/shared/FancySelect/types';
+
+import useIsMobile from 'lib/hooks/useIsMobile';
+import FancySelect from 'ui/shared/FancySelect/FancySelect';
+
+import ContractVerificationFormRow from '../ContractVerificationFormRow';
+
+const SOURCIFY_ERROR_REGEXP = /\(([^()]*)\)/;
+
+const ContractVerificationFieldContractIndex = () => {
+  const [ options, setOptions ] = React.useState<Array<Option>>([]);
+  const { formState, control, watch } = useFormContext<FormFields>();
+  const isMobile = useIsMobile();
+
+  const sources = watch('sources');
+  const sourcesError = 'sources' in formState.errors ? formState.errors.sources?.message : undefined;
+
+  useUpdateEffect(() => {
+    if (!sourcesError) {
+      return;
+    }
+
+    const matchResult = sourcesError.match(SOURCIFY_ERROR_REGEXP);
+    const parsedMethods = matchResult?.[1].split(',');
+    if (!Array.isArray(parsedMethods) || parsedMethods.length === 0) {
+      return;
+    }
+
+    const newOptions = parsedMethods.map((option, index) => ({ label: option, value: String(index + 1) }));
+    setOptions(newOptions);
+  }, [ sourcesError ]);
+
+  useUpdateEffect(() => {
+    setOptions([]);
+  }, [ sources ]);
+
+  const renderControl = React.useCallback(({ field }: {field: ControllerRenderProps<FormFields, 'contract_index'>}) => {
+    const error = 'contract_index' in formState.errors ? formState.errors.contract_index : undefined;
+
+    return (
+      <FancySelect
+        { ...field }
+        options={ options }
+        size={ isMobile ? 'md' : 'lg' }
+        placeholder="Contract name"
+        isDisabled={ formState.isSubmitting }
+        error={ error }
+        isRequired
+        isAsync={ false }
+      />
+    );
+  }, [ formState.errors, formState.isSubmitting, isMobile, options ]);
+
+  if (options.length === 0) {
+    return null;
+  }
+
+  return (
+    <ContractVerificationFormRow>
+      <Controller
+        name="contract_index"
+        control={ control }
+        render={ renderControl }
+        rules={{ required: true }}
+      />
+    </ContractVerificationFormRow>
+  );
+};
+
+export default React.memo(ContractVerificationFieldContractIndex);

ui/contractVerification/fields/ContractVerificationFieldLibraries.tsx

-import { Checkbox } from '@chakra-ui/react';
+import { Checkbox, useUpdateEffect } from '@chakra-ui/react';
 import React from 'react';
 import { useFieldArray, useFormContext } from 'react-hook-form';
 
@@ -8,13 +8,21 @@ import ContractVerificationFormRow from '../ContractVerificationFormRow';
 import ContractVerificationFieldLibraryItem from './ContractVerificationFieldLibraryItem';
 
 const ContractVerificationFieldLibraries = () => {
-  const { formState, control } = useFormContext<FormFields>();
+  const { formState, control, getValues } = useFormContext<FormFields>();
   const { fields, append, remove, insert } = useFieldArray({
     name: 'libraries',
     control,
   });
   const [ isEnabled, setIsEnabled ] = React.useState(fields.length > 0);
 
+  const value = getValues('libraries');
+
+  useUpdateEffect(() => {
+    if (!value || value.length === 0) {
+      setIsEnabled(false);
+    }
+  }, [ value ]);
+
   const handleCheckboxChange = React.useCallback(() => {
     if (!isEnabled) {
       append({ name: '', address: '' });

ui/contractVerification/fields/ContractVerificationFieldMethod.tsx

 import {
-  RadioGroup,
-  Radio,
-  Stack,
-  Text,
   Link,
   Icon,
   chakra,
@@ -14,16 +10,23 @@ import {
   PopoverBody,
   useColorModeValue,
   DarkMode,
-  useBoolean,
+  ListItem,
+  OrderedList,
+  Grid,
+  Box,
 } from '@chakra-ui/react';
 import React from 'react';
 import type { ControllerRenderProps, Control } from 'react-hook-form';
 import { Controller } from 'react-hook-form';
 
 import type { FormFields } from '../types';
-import type { SmartContractVerificationMethod, SmartContractVerificationConfig } from 'types/api/contract';
+import type { SmartContractVerificationConfig, SmartContractVerificationMethod } from 'types/api/contract';
 
 import infoIcon from 'icons/info.svg';
+import useIsMobile from 'lib/hooks/useIsMobile';
+import FancySelect from 'ui/shared/FancySelect/FancySelect';
+
+import { METHOD_LABELS } from '../utils';
 
 interface Props {
   control: Control<FormFields>;
@@ -32,91 +35,93 @@ interface Props {
 }
 
 const ContractVerificationFieldMethod = ({ control, isDisabled, methods }: Props) => {
-  const [ isPopoverOpen, setIsPopoverOpen ] = useBoolean();
   const tooltipBg = useColorModeValue('gray.700', 'gray.900');
+  const isMobile = useIsMobile();
+
+  const options = React.useMemo(() => methods.map((method) => ({
+    value: method,
+    label: METHOD_LABELS[method],
+  })), [ methods ]);
+
+  const renderControl = React.useCallback(({ field }: {field: ControllerRenderProps<FormFields, 'method'>}) => {
+    return (
+      <FancySelect
+        { ...field }
+        options={ options }
+        size={ isMobile ? 'md' : 'lg' }
+        placeholder="Verification method (compiler type)"
+        isDisabled={ isDisabled }
+        isRequired
+        isAsync={ false }
+      />
+    );
+  }, [ isDisabled, isMobile, options ]);
 
-  const renderItem = React.useCallback((method: SmartContractVerificationMethod) => {
+  const renderPopoverListItem = React.useCallback((method: SmartContractVerificationMethod) => {
     switch (method) {
       case 'flattened-code':
-        return 'Via flattened source code';
+        return <ListItem>Verification through flattened source code.</ListItem>;
+      case 'multi-part':
+        return <ListItem>Verification of multi-part Solidity files.</ListItem>;
+      case 'sourcify':
+        return <ListItem>Verification through <Link href="https://sourcify.dev/" target="_blank">Sourcify</Link>.</ListItem>;
       case 'standard-input':
         return (
-          <>
-            <span>Via standard </span>
+          <ListItem>
+            <span>Verification using </span>
             <Link
-              href={ isDisabled ? undefined : 'https://docs.soliditylang.org/en/latest/using-the-compiler.html#input-description' }
+              href="https://docs.soliditylang.org/en/latest/using-the-compiler.html#input-description"
               target="_blank"
-              cursor={ isDisabled ? 'not-allowed' : 'pointer' }
             >
-                Input JSON
+              Standard input JSON
             </Link>
-          </>
+            <span> file.</span>
+          </ListItem>
         );
-      case 'sourcify':
-        return (
-          <>
-            <span>Via sourcify: sources and metadata JSON file</span>
-            <Popover trigger="hover" isLazy isOpen={ isDisabled ? false : isPopoverOpen } onOpen={ setIsPopoverOpen.on } onClose={ setIsPopoverOpen.off }>
+      case 'vyper-code':
+        return <ListItem>Verification of Vyper contract.</ListItem>;
+      case 'vyper-multi-part':
+        return <ListItem>Verification of multi-part Vyper files.</ListItem>;
+    }
+  }, []);
+
+  return (
+    <section>
+      <Grid columnGap="30px" rowGap={{ base: 2, lg: 4 }} templateColumns={{ base: '1fr', lg: 'minmax(auto, 680px) minmax(0, 340px)' }}>
+        <div>
+          <Box mb={ 5 }>
+            <chakra.span fontWeight={ 500 } fontSize="lg" fontFamily="heading">
+            Currently, Blockscout supports { methods.length } contract verification methods
+            </chakra.span>
+            <Popover trigger="hover" isLazy placement={ isMobile ? 'bottom-end' : 'right-start' } offset={ [ -8, 8 ] }>
               <PopoverTrigger>
-                <chakra.span cursor={ isDisabled ? 'not-allowed' : 'pointer' } display="inline-block" verticalAlign="middle" h="24px" ml={ 1 }>
+                <chakra.span display="inline-block" ml={ 1 } cursor="pointer" verticalAlign="middle" h="22px">
                   <Icon as={ infoIcon } boxSize={ 5 } color="link" _hover={{ color: 'link_hovered' }}/>
                 </chakra.span>
               </PopoverTrigger>
               <Portal>
-                <PopoverContent bgColor={ tooltipBg }>
+                <PopoverContent bgColor={ tooltipBg } w={{ base: '300px', lg: '380px' }}>
                   <PopoverArrow bgColor={ tooltipBg }/>
                   <PopoverBody color="white">
                     <DarkMode>
-                      <div>
-                        <span>Verification through </span>
-                        <Link href="https://sourcify.dev/" target="_blank">Sourcify</Link>
-                      </div>
-                      <div>
-                        <span>a) if smart-contract already verified on Sourcify, it will automatically fetch the data from the </span>
-                        <Link href="https://repo.sourcify.dev/" target="_blank">repo</Link>
-                      </div>
-                      <div>
-                            b) otherwise you will be asked to upload source files and JSON metadata file(s).
-                      </div>
+                      <span>Currently, Blockscout supports { methods.length } methods:</span>
+                      <OrderedList>
+                        { methods.map(renderPopoverListItem) }
+                      </OrderedList>
                     </DarkMode>
                   </PopoverBody>
                 </PopoverContent>
               </Portal>
             </Popover>
-          </>
-        );
-      case 'multi-part':
-        return 'Via multi-part files';
-      case 'vyper-code':
-        return 'Vyper contract';
-      case 'vyper-multi-part':
-        return 'Via multi-part Vyper files';
-
-      default:
-        break;
-    }
-  }, [ isDisabled, isPopoverOpen, setIsPopoverOpen.off, setIsPopoverOpen.on, tooltipBg ]);
-
-  const renderRadioGroup = React.useCallback(({ field }: {field: ControllerRenderProps<FormFields, 'method'>}) => {
-    return (
-      <RadioGroup defaultValue="add" colorScheme="blue" isDisabled={ isDisabled } isFocusable={ !isDisabled } { ...field } >
-        <Stack spacing={ 4 }>
-          { methods.map((method) => {
-            return <Radio key={ method } value={ method } size="lg">{ renderItem(method) }</Radio>;
-          }) }
-        </Stack>
-      </RadioGroup>
-    );
-  }, [ isDisabled, methods, renderItem ]);
-
-  return (
-    <section>
-      <Text variant="secondary" fontSize="sm" mb={ 5 }>Smart-contract verification method</Text>
-      <Controller
-        name="method"
-        control={ control }
-        render={ renderRadioGroup }
-      />
+          </Box>
+          <Controller
+            name="method"
+            control={ control }
+            render={ renderControl }
+            rules={{ required: true }}
+          />
+        </div>
+      </Grid>
     </section>
   );
 };

ui/contractVerification/fields/ContractVerificationFieldName.tsx

@@ -41,7 +41,6 @@ const ContractVerificationFieldName = ({ hint }: Props) => {
         control={ control }
         render={ renderControl }
         rules={{ required: true }}
-        defaultValue=""
       />
       { hint ? <span>{ hint }</span> : (
         <>

ui/contractVerification/fields/ContractVerificationFieldOptimization.tsx

-import { FormControl, Input } from '@chakra-ui/react';
+import { Flex, Input } from '@chakra-ui/react';
 import React from 'react';
 import type { ControllerRenderProps } from 'react-hook-form';
 import { Controller, useFormContext } from 'react-hook-form';
@@ -6,7 +6,6 @@ import { Controller, useFormContext } from 'react-hook-form';
 import type { FormFields } from '../types';
 
 import CheckboxInput from 'ui/shared/CheckboxInput';
-import InputPlaceholder from 'ui/shared/InputPlaceholder';
 
 import ContractVerificationFormRow from '../ContractVerificationFormRow';
 
@@ -14,56 +13,59 @@ const ContractVerificationFieldOptimization = () => {
   const [ isEnabled, setIsEnabled ] = React.useState(true);
   const { formState, control } = useFormContext<FormFields>();
 
+  const error = 'optimization_runs' in formState.errors ? formState.errors.optimization_runs : undefined;
+
   const handleCheckboxChange = React.useCallback(() => {
     setIsEnabled(prev => !prev);
   }, []);
 
   const renderCheckboxControl = React.useCallback(({ field }: {field: ControllerRenderProps<FormFields, 'is_optimization_enabled'>}) => (
-    <CheckboxInput<FormFields, 'is_optimization_enabled'>
-      text="Optimization enabled"
-      field={ field }
-      onChange={ handleCheckboxChange }
-      isDisabled={ formState.isSubmitting }
-    />
+    <Flex flexShrink={ 0 }>
+      <CheckboxInput<FormFields, 'is_optimization_enabled'>
+        text="Optimization enabled"
+        field={ field }
+        onChange={ handleCheckboxChange }
+        isDisabled={ formState.isSubmitting }
+      />
+    </Flex>
   ), [ formState.isSubmitting, handleCheckboxChange ]);
 
   const renderInputControl = React.useCallback(({ field }: {field: ControllerRenderProps<FormFields, 'optimization_runs'>}) => {
     return (
-      <FormControl variant="floating" id={ field.name } size={{ base: 'md', lg: 'lg' }} isRequired>
-        <Input
-          { ...field }
-          required
-          isDisabled={ formState.isSubmitting }
-          autoComplete="off"
-          type="number"
-        />
-        <InputPlaceholder text="Optimization runs"/>
-      </FormControl>
+      <Input
+        { ...field }
+        required
+        isDisabled={ formState.isSubmitting }
+        autoComplete="off"
+        type="number"
+        placeholder="Optimization runs"
+        size="xs"
+        minW="100px"
+        maxW="200px"
+        flexShrink={ 1 }
+        isInvalid={ Boolean(error) }
+      />
     );
-  }, [ formState.isSubmitting ]);
+  }, [ error, formState.isSubmitting ]);
 
   return (
-    <>
-      <ContractVerificationFormRow>
+    <ContractVerificationFormRow>
+      <Flex columnGap={ 5 } h={{ base: 'auto', lg: '32px' }}>
         <Controller
           name="is_optimization_enabled"
           control={ control }
           render={ renderCheckboxControl }
-          defaultValue={ true }
         />
-      </ContractVerificationFormRow>
-      { isEnabled && (
-        <ContractVerificationFormRow>
+        { isEnabled && (
           <Controller
             name="optimization_runs"
             control={ control }
             render={ renderInputControl }
             rules={{ required: true }}
-            defaultValue="200"
           />
-        </ContractVerificationFormRow>
-      ) }
-    </>
+        ) }
+      </Flex>
+    </ContractVerificationFormRow>
   );
 };
 

ui/contractVerification/fields/ContractVerificationFieldSources.tsx

-import { Text, Button, Box, chakra, Flex } from '@chakra-ui/react';
+import { Text, Button, Box, Flex } from '@chakra-ui/react';
 import React from 'react';
 import type { ControllerRenderProps, FieldPathValue, ValidateResult } from 'react-hook-form';
 import { Controller, useFormContext } from 'react-hook-form';
@@ -6,7 +6,7 @@ import { Controller, useFormContext } from 'react-hook-form';
 import type { FormFields } from '../types';
 
 import { Mb } from 'lib/consts';
-// import DragAndDropArea from 'ui/shared/forms/DragAndDropArea';
+import DragAndDropArea from 'ui/shared/forms/DragAndDropArea';
 import FieldError from 'ui/shared/forms/FieldError';
 import FileInput from 'ui/shared/forms/FileInput';
 import FileSnippet from 'ui/shared/forms/FileSnippet';
@@ -19,11 +19,10 @@ interface Props {
   fileTypes: Array<FileTypes>;
   multiple?: boolean;
   title: string;
-  className?: string;
   hint: string;
 }
 
-const ContractVerificationFieldSources = ({ fileTypes, multiple, title, className, hint }: Props) => {
+const ContractVerificationFieldSources = ({ fileTypes, multiple, title, hint }: Props) => {
   const { setValue, getValues, control, formState, clearErrors } = useFormContext<FormFields>();
 
   const error = 'sources' in formState.errors ? formState.errors.sources : undefined;
@@ -42,11 +41,28 @@ const ContractVerificationFieldSources = ({ fileTypes, multiple, title, classNam
 
   }, [ getValues, clearErrors, setValue ]);
 
+  const renderUploadButton = React.useCallback(() => {
+    return (
+      <div>
+        <Text fontWeight={ 500 } color="text_secondary" mb={ 3 }>{ title }</Text>
+        <Button size="sm" variant="outline">
+            Drop file{ multiple ? 's' : '' } or click here
+        </Button>
+      </div>
+    );
+  }, [ multiple, title ]);
+
   const renderFiles = React.useCallback((files: Array<File>) => {
     const errorList = fileError?.message?.split(';');
 
     return (
-      <Box display="grid" gridTemplateColumns={{ base: 'minmax(0, 1fr)', lg: 'minmax(0, 1fr) minmax(0, 1fr)' }} columnGap={ 3 } rowGap={ 3 }>
+      <Box
+        display="grid"
+        gridTemplateColumns={{ base: 'minmax(0, 1fr)', lg: 'minmax(0, 1fr) minmax(0, 1fr)' }}
+        columnGap={ 3 }
+        rowGap={ 3 }
+        w="100%"
+      >
         { files.map((file, index) => (
           <Box key={ file.name + file.lastModified + index }>
             <FileSnippet
@@ -55,42 +71,36 @@ const ContractVerificationFieldSources = ({ fileTypes, multiple, title, classNam
               onRemove={ handleFileRemove }
               index={ index }
               isDisabled={ formState.isSubmitting }
+              error={ errorList?.[index] }
             />
-            { errorList?.[index] && <FieldError message={ errorList?.[index] } mt={ 1 } px={ 3 }/> }
           </Box>
         )) }
       </Box>
     );
   }, [ formState.isSubmitting, handleFileRemove, fileError ]);
 
-  const renderControl = React.useCallback(({ field }: {field: ControllerRenderProps<FormFields, 'sources'>}) => (
-    <>
-      <FileInput<FormFields, 'sources'> accept={ fileTypes.join(',') } multiple={ multiple } field={ field }>
-        { () => (
-          <Flex
-            flexDir="column"
-            alignItems="flex-start"
-            rowGap={ 2 }
-            w="100%"
-            display={ field.value && field.value.length > 0 && !multiple ? 'none' : 'block' }
-            mb={ field.value && field.value.length > 0 ? 2 : 0 }
-          >
-            <Button
-              variant="outline"
-              size="sm"
-              // mb={ 2 }
+  const renderControl = React.useCallback(({ field }: {field: ControllerRenderProps<FormFields, 'sources'>}) => {
+    const hasValue = field.value && field.value.length > 0;
+    return (
+      <>
+        <FileInput<FormFields, 'sources'> accept={ fileTypes.join(',') } multiple={ multiple } field={ field }>
+          { ({ onChange }) => (
+            <Flex
+              flexDir="column"
+              alignItems="flex-start"
+              rowGap={ 2 }
+              w="100%"
             >
-              Upload file{ multiple ? 's' : '' }
-            </Button>
-            { /* design is not ready */ }
-            { /* <DragAndDropArea onDrop={ onChange }/> */ }
-          </Flex>
-        ) }
-      </FileInput>
-      { field.value && field.value.length > 0 && renderFiles(field.value) }
-      { commonError?.message && <FieldError message={ commonError.type === 'required' ? 'Field is required' : commonError.message }/> }
-    </>
-  ), [ fileTypes, commonError, multiple, renderFiles ]);
+              <DragAndDropArea onDrop={ onChange } p={{ base: 3, lg: 6 }} isDisabled={ formState.isSubmitting }>
+                { hasValue ? renderFiles(field.value) : renderUploadButton() }
+              </DragAndDropArea>
+            </Flex>
+          ) }
+        </FileInput>
+        { commonError?.message && <FieldError message={ commonError.type === 'required' ? 'Field is required' : commonError.message }/> }
+      </>
+    );
+  }, [ fileTypes, multiple, commonError, formState.isSubmitting, renderFiles, renderUploadButton ]);
 
   const validateFileType = React.useCallback(async(value: FieldPathValue<FormFields, 'sources'>): Promise<ValidateResult> => {
     if (Array.isArray(value)) {
@@ -114,30 +124,34 @@ const ContractVerificationFieldSources = ({ fileTypes, multiple, title, classNam
     return true;
   }, []);
 
+  const validateQuantity = React.useCallback(async(value: FieldPathValue<FormFields, 'sources'>): Promise<ValidateResult> => {
+    if (!multiple && Array.isArray(value) && value.length > 1) {
+      return 'You can upload only one file';
+    }
+
+    return true;
+  }, [ multiple ]);
+
   const rules = React.useMemo(() => ({
     required: true,
     validate: {
       file_type: validateFileType,
       file_size: validateFileSize,
+      quantity: validateQuantity,
     },
-  }), [ validateFileSize, validateFileType ]);
+  }), [ validateFileSize, validateFileType, validateQuantity ]);
 
   return (
-    <>
-      <ContractVerificationFormRow >
-        <Text fontWeight={ 500 } className={ className } mt={ 4 }>{ title }</Text>
-      </ContractVerificationFormRow>
-      <ContractVerificationFormRow>
-        <Controller
-          name="sources"
-          control={ control }
-          render={ renderControl }
-          rules={ rules }
-        />
-        { hint ? <span>{ hint }</span> : null }
-      </ContractVerificationFormRow>
-    </>
+    <ContractVerificationFormRow>
+      <Controller
+        name="sources"
+        control={ control }
+        render={ renderControl }
+        rules={ rules }
+      />
+      { hint ? <span>{ hint }</span> : null }
+    </ContractVerificationFormRow>
   );
 };
 
-export default React.memo(chakra(ContractVerificationFieldSources));
+export default React.memo(ContractVerificationFieldSources);

ui/contractVerification/methods/ContractVerificationFlattenSourceCode.tsx

@@ -12,9 +12,9 @@ import ContractVerificationFieldOptimization from '../fields/ContractVerificatio
 
 const ContractVerificationFlattenSourceCode = () => {
   return (
-    <ContractVerificationMethod title="New Solidity/Yul Smart Contract Verification">
-      <ContractVerificationFieldIsYul/>
+    <ContractVerificationMethod title="Contract verification via Solidity (fattened source code)">
       <ContractVerificationFieldName/>
+      <ContractVerificationFieldIsYul/>
       <ContractVerificationFieldCompiler/>
       <ContractVerificationFieldEvmVersion/>
       <ContractVerificationFieldOptimization/>

ui/contractVerification/methods/ContractVerificationMultiPartFile.tsx

@@ -11,7 +11,7 @@ const FILE_TYPES = [ '.sol' as const, '.yul' as const ];
 
 const ContractVerificationMultiPartFile = () => {
   return (
-    <ContractVerificationMethod title="New Solidity/Yul Smart Contract Verification">
+    <ContractVerificationMethod title="Contract verification via Solidity (multi-part files)">
       <ContractVerificationFieldCompiler/>
       <ContractVerificationFieldEvmVersion/>
       <ContractVerificationFieldOptimization/>

ui/contractVerification/methods/ContractVerificationSourcify.tsx

 import React from 'react';
 
 import ContractVerificationMethod from '../ContractVerificationMethod';
+import ContractVerificationFieldContractIndex from '../fields/ContractVerificationFieldContractIndex';
 import ContractVerificationFieldSources from '../fields/ContractVerificationFieldSources';
 
 const FILE_TYPES = [ '.json' as const, '.sol' as const ];
 
 const ContractVerificationSourcify = () => {
   return (
-    <ContractVerificationMethod title="New Smart Contract Verification">
+    <ContractVerificationMethod title="Contract verification via Solidity (Sourcify)">
       <ContractVerificationFieldSources
         fileTypes={ FILE_TYPES }
         multiple
-        title="Sources and Metadata JSON" mt={ 0 }
+        title="Sources and Metadata JSON"
         hint="Upload all Solidity contract source files and JSON metadata file(s) created during contract compilation."
       />
+      <ContractVerificationFieldContractIndex/>
     </ContractVerificationMethod>
   );
 };

ui/contractVerification/methods/ContractVerificationStandardInput.tsx

@@ -10,7 +10,7 @@ const FILE_TYPES = [ '.json' as const ];
 
 const ContractVerificationStandardInput = () => {
   return (
-    <ContractVerificationMethod title="New Smart Contract Verification">
+    <ContractVerificationMethod title="Contract verification via Solidity (standard JSON input) ">
       <ContractVerificationFieldName/>
       <ContractVerificationFieldCompiler/>
       <ContractVerificationFieldSources

ui/contractVerification/methods/ContractVerificationVyperContract.tsx

@@ -8,7 +8,7 @@ import ContractVerificationFieldName from '../fields/ContractVerificationFieldNa
 
 const ContractVerificationVyperContract = () => {
   return (
-    <ContractVerificationMethod title="New Vyper Smart Contract Verification">
+    <ContractVerificationMethod title="Contract verification via Vyper (contract)">
       <ContractVerificationFieldName hint="Must match the name specified in the code."/>
       <ContractVerificationFieldCompiler isVyper/>
       <ContractVerificationFieldCode isVyper/>

ui/contractVerification/methods/ContractVerificationVyperMultiPartFile.tsx

@@ -9,7 +9,7 @@ const FILE_TYPES = [ '.vy' as const ];
 
 const ContractVerificationVyperMultiPartFile = () => {
   return (
-    <ContractVerificationMethod title="New Vyper Smart Contract Verification">
+    <ContractVerificationMethod title="Contract verification via Vyper (multi-part files)">
       <ContractVerificationFieldCompiler isVyper/>
       <ContractVerificationFieldEvmVersion isVyper/>
       <ContractVerificationFieldSources

ui/contractVerification/types.ts

+import type { SmartContractVerificationMethod } from 'types/api/contract';
 import type { Option } from 'ui/shared/FancySelect/types';
 
 export interface ContractLibrary {
   name: string;
   address: string;
 }
+
+interface MethodOption {
+  label: string;
+  value: SmartContractVerificationMethod;
+}
+
 export interface FormFieldsFlattenSourceCode {
-  method: 'flattened-code';
+  method: MethodOption;
   is_yul: boolean;
   name: string;
   compiler: Option;
@@ -19,7 +26,7 @@ export interface FormFieldsFlattenSourceCode {
 }
 
 export interface FormFieldsStandardInput {
-  method: 'standard-input';
+  method: MethodOption;
   name: string;
   compiler: Option;
   sources: Array<File>;
@@ -28,12 +35,13 @@ export interface FormFieldsStandardInput {
 }
 
 export interface FormFieldsSourcify {
-  method: 'sourcify';
+  method: MethodOption;
   sources: Array<File>;
+  contract_index?: Option;
 }
 
 export interface FormFieldsMultiPartFile {
-  method: 'multi-part';
+  method: MethodOption;
   compiler: Option;
   evm_version: Option;
   is_optimization_enabled: boolean;
@@ -43,7 +51,7 @@ export interface FormFieldsMultiPartFile {
 }
 
 export interface FormFieldsVyperContract {
-  method: 'vyper-code';
+  method: MethodOption;
   name: string;
   compiler: Option;
   code: string;
@@ -51,7 +59,7 @@ export interface FormFieldsVyperContract {
 }
 
 export interface FormFieldsVyperMultiPartFile {
-  method: 'vyper-multi-part';
+  method: MethodOption;
   compiler: Option;
   evm_version: Option;
   sources: Array<File>;

ui/contractVerification/utils.ts

 import type { FieldPath, ErrorOption } from 'react-hook-form';
 
-import type { ContractLibrary, FormFields } from './types';
+import type {
+  ContractLibrary,
+  FormFields,
+  FormFieldsFlattenSourceCode,
+  FormFieldsMultiPartFile,
+  FormFieldsSourcify,
+  FormFieldsStandardInput,
+  FormFieldsVyperContract,
+  FormFieldsVyperMultiPartFile,
+} from './types';
 import type { SmartContractVerificationMethod, SmartContractVerificationError } from 'types/api/contract';
 
 import type { Params as FetchParams } from 'lib/hooks/useFetch';
@@ -14,6 +23,83 @@ export const SUPPORTED_VERIFICATION_METHODS: Array<SmartContractVerificationMeth
   'vyper-multi-part',
 ];
 
+export const METHOD_LABELS: Record<SmartContractVerificationMethod, string> = {
+  'flattened-code': 'Solidity (Flattened source code)',
+  'standard-input': 'Solidity (Standard JSON input)',
+  sourcify: 'Solidity (Sourcify)',
+  'multi-part': 'Solidity (Multi-part files)',
+  'vyper-code': 'Vyper (Contract)',
+  'vyper-multi-part': 'Vyper (Multi-part files)',
+};
+
+export const DEFAULT_VALUES = {
+  'flattened-code': {
+    method: {
+      value: 'flattened-code' as const,
+      label: METHOD_LABELS['flattened-code'],
+    },
+    is_yul: false,
+    name: '',
+    compiler: null,
+    evm_version: null,
+    is_optimization_enabled: true,
+    optimization_runs: '200',
+    code: '',
+    autodetect_constructor_args: true,
+    constructor_args: '',
+    libraries: [],
+  },
+  'standard-input': {
+    method: {
+      value: 'standard-input' as const,
+      label: METHOD_LABELS['standard-input'],
+    },
+    name: '',
+    compiler: null,
+    sources: [],
+    autodetect_constructor_args: true,
+    constructor_args: '',
+  },
+  sourcify: {
+    method: {
+      value: 'sourcify' as const,
+      label: METHOD_LABELS.sourcify,
+    },
+    sources: [],
+  },
+  'multi-part': {
+    method: {
+      value: 'multi-part' as const,
+      label: METHOD_LABELS['multi-part'],
+    },
+    compiler: null,
+    evm_version: null,
+    is_optimization_enabled: true,
+    optimization_runs: 200,
+    sources: [],
+    libraries: [],
+  },
+  'vyper-code': {
+    method: {
+      value: 'vyper-code' as const,
+      label: METHOD_LABELS['vyper-code'],
+    },
+    name: '',
+    compiler: null,
+    code: '',
+    constructor_args: '',
+  },
+  'vyper-multi-part': {
+    method: {
+      value: 'vyper-multi-part' as const,
+      label: METHOD_LABELS['vyper-multi-part'],
+    },
+    compiler: null,
+    evm_version: null,
+    sources: [],
+  },
+};
+
 export function isValidVerificationMethod(method?: string): method is SmartContractVerificationMethod {
   return method && SUPPORTED_VERIFICATION_METHODS.includes(method as SmartContractVerificationMethod) ? true : false;
 }
@@ -34,68 +120,79 @@ export function sortVerificationMethods(methodA: SmartContractVerificationMethod
 }
 
 export function prepareRequestBody(data: FormFields): FetchParams['body'] {
-  switch (data.method) {
+  switch (data.method.value) {
     case 'flattened-code': {
+      const _data = data as FormFieldsFlattenSourceCode;
       return {
-        compiler_version: data.compiler?.value,
-        source_code: data.code,
-        is_optimization_enabled: data.is_optimization_enabled,
-        is_yul_contract: data.is_yul,
-        optimization_runs: data.optimization_runs,
-        contract_name: data.name,
-        libraries: reduceLibrariesArray(data.libraries),
-        evm_version: data.evm_version?.value,
-        autodetect_constructor_args: data.autodetect_constructor_args,
-        constructor_args: data.constructor_args,
+        compiler_version: _data.compiler?.value,
+        source_code: _data.code,
+        is_optimization_enabled: _data.is_optimization_enabled,
+        is_yul_contract: _data.is_yul,
+        optimization_runs: _data.optimization_runs,
+        contract_name: _data.name,
+        libraries: reduceLibrariesArray(_data.libraries),
+        evm_version: _data.evm_version?.value,
+        autodetect_constructor_args: _data.autodetect_constructor_args,
+        constructor_args: _data.constructor_args,
       };
     }
 
     case 'standard-input': {
+      const _data = data as FormFieldsStandardInput;
+
       const body = new FormData();
-      body.set('compiler_version', data.compiler?.value);
-      body.set('contract_name', data.name);
-      body.set('autodetect_constructor_args', String(Boolean(data.autodetect_constructor_args)));
-      body.set('constructor_args', data.constructor_args);
-      addFilesToFormData(body, data.sources);
+      body.set('compiler_version', _data.compiler?.value);
+      body.set('contract_name', _data.name);
+      body.set('autodetect_constructor_args', String(Boolean(_data.autodetect_constructor_args)));
+      body.set('constructor_args', _data.constructor_args);
+      addFilesToFormData(body, _data.sources);
 
       return body;
     }
 
     case 'sourcify': {
+      const _data = data as FormFieldsSourcify;
       const body = new FormData();
-      addFilesToFormData(body, data.sources);
+      addFilesToFormData(body, _data.sources);
+      _data.contract_index && body.set('chosen_contract_index', _data.contract_index.value);
 
       return body;
     }
 
     case 'multi-part': {
+      const _data = data as FormFieldsMultiPartFile;
+
       const body = new FormData();
-      body.set('compiler_version', data.compiler?.value);
-      body.set('evm_version', data.evm_version?.value);
-      body.set('is_optimization_enabled', String(Boolean(data.is_optimization_enabled)));
-      data.is_optimization_enabled && body.set('optimization_runs', data.optimization_runs);
+      body.set('compiler_version', _data.compiler?.value);
+      body.set('evm_version', _data.evm_version?.value);
+      body.set('is_optimization_enabled', String(Boolean(_data.is_optimization_enabled)));
+      _data.is_optimization_enabled && body.set('optimization_runs', _data.optimization_runs);
 
-      const libraries = reduceLibrariesArray(data.libraries);
+      const libraries = reduceLibrariesArray(_data.libraries);
       libraries && body.set('libraries', JSON.stringify(libraries));
-      addFilesToFormData(body, data.sources);
+      addFilesToFormData(body, _data.sources);
 
       return body;
     }
 
     case 'vyper-code': {
+      const _data = data as FormFieldsVyperContract;
+
       return {
-        compiler_version: data.compiler?.value,
-        source_code: data.code,
-        contract_name: data.name,
-        constructor_args: data.constructor_args,
+        compiler_version: _data.compiler?.value,
+        source_code: _data.code,
+        contract_name: _data.name,
+        constructor_args: _data.constructor_args,
       };
     }
 
     case 'vyper-multi-part': {
+      const _data = data as FormFieldsVyperMultiPartFile;
+
       const body = new FormData();
-      body.set('compiler_version', data.compiler?.value);
-      body.set('evm_version', data.evm_version?.value);
-      addFilesToFormData(body, data.sources);
+      body.set('compiler_version', _data.compiler?.value);
+      body.set('evm_version', _data.evm_version?.value);
+      addFilesToFormData(body, _data.sources);
 
       return body;
     }

ui/csvExport/CsvExportForm.tsx

+import { Button, chakra, Flex } from '@chakra-ui/react';
+import React from 'react';
+import type { SubmitHandler } from 'react-hook-form';
+import { useForm, FormProvider } from 'react-hook-form';
+
+import type { FormFields } from './types';
+
+import buildUrl from 'lib/api/buildUrl';
+import type { ResourceName } from 'lib/api/resources';
+import dayjs from 'lib/date/dayjs';
+import downloadBlob from 'lib/downloadBlob';
+import useToast from 'lib/hooks/useToast';
+
+import CsvExportFormField from './CsvExportFormField';
+import CsvExportFormReCaptcha from './CsvExportFormReCaptcha';
+
+interface Props {
+  hash: string;
+  resource: ResourceName;
+  fileNameTemplate: string;
+}
+
+const CsvExportForm = ({ hash, resource, fileNameTemplate }: Props) => {
+  const formApi = useForm<FormFields>({
+    mode: 'onBlur',
+    defaultValues: {
+      from: dayjs().subtract(1, 'day').format('YYYY-MM-DD'),
+      to: dayjs().format('YYYY-MM-DD'),
+    },
+  });
+  const { handleSubmit, formState } = formApi;
+  const toast = useToast();
+
+  const onFormSubmit: SubmitHandler<FormFields> = React.useCallback(async(data) => {
+    try {
+      const url = buildUrl(resource, undefined, {
+        address_id: hash,
+        from_period: data.from,
+        to_period: data.to,
+        recaptcha_response: data.reCaptcha,
+      });
+
+      const response = await fetch(url, {
+        headers: {
+          'content-type': 'application/octet-stream',
+        },
+      });
+
+      if (!response.ok) {
+        throw new Error();
+      }
+
+      const blob = await response.blob();
+      downloadBlob(blob, `${ fileNameTemplate }_${ hash }_${ data.from }_${ data.to }.csv`);
+
+    } catch (error) {
+      toast({
+        position: 'top-right',
+        title: 'Error',
+        description: (error as Error)?.message || 'Something went wrong. Try again later.',
+        status: 'error',
+        variant: 'subtle',
+        isClosable: true,
+      });
+    }
+
+  }, [ fileNameTemplate, hash, resource, toast ]);
+
+  return (
+    <FormProvider { ...formApi }>
+      <chakra.form
+        noValidate
+        onSubmit={ handleSubmit(onFormSubmit) }
+      >
+        <Flex columnGap={ 5 } rowGap={ 3 } flexDir={{ base: 'column', lg: 'row' }} alignItems={{ base: 'flex-start', lg: 'center' }}>
+          <CsvExportFormField name="from" formApi={ formApi }/>
+          <CsvExportFormField name="to" formApi={ formApi }/>
+          <CsvExportFormReCaptcha formApi={ formApi }/>
+        </Flex>
+        <Button
+          variant="solid"
+          size="lg"
+          type="submit"
+          mt={ 8 }
+          isLoading={ formState.isSubmitting }
+          loadingText="Download"
+          isDisabled={ !formState.isValid }
+        >
+          Download
+        </Button>
+      </chakra.form>
+    </FormProvider>
+  );
+};
+
+export default React.memo(CsvExportForm);

ui/csvExport/CsvExportFormField.tsx

+import { FormControl, Input } from '@chakra-ui/react';
+import _capitalize from 'lodash/capitalize';
+import React from 'react';
+import type { ControllerRenderProps, UseFormReturn } from 'react-hook-form';
+import { Controller } from 'react-hook-form';
+
+import type { FormFields } from './types';
+
+import dayjs from 'lib/date/dayjs';
+import InputPlaceholder from 'ui/shared/InputPlaceholder';
+
+interface Props {
+  formApi: UseFormReturn<FormFields>;
+  name: 'from' | 'to';
+}
+
+const CsvExportFormField = ({ formApi, name }: Props) => {
+  const { formState, control, getValues, trigger } = formApi;
+
+  const renderControl = React.useCallback(({ field }: {field: ControllerRenderProps<FormFields, 'from' | 'to'>}) => {
+    const error = field.name in formState.errors ? formState.errors[field.name] : undefined;
+
+    return (
+      <FormControl variant="floating" id={ field.name } isRequired size={{ base: 'md', lg: 'lg' }} maxW={{ base: 'auto', lg: '220px' }}>
+        <Input
+          { ...field }
+          required
+          isInvalid={ Boolean(error) }
+          type="date"
+          isDisabled={ formState.isSubmitting }
+          autoComplete="off"
+          max={ dayjs().format('YYYY-MM-DD') }
+        />
+        <InputPlaceholder text={ _capitalize(field.name) } error={ error }/>
+      </FormControl>
+    );
+  }, [ formState.errors, formState.isSubmitting ]);
+
+  const validate = React.useCallback((newValue: string) => {
+    if (name === 'from') {
+      const toValue = getValues('to');
+      if (toValue && dayjs(newValue) > dayjs(toValue)) {
+        return 'Incorrect date';
+      }
+      if (formState.errors.to) {
+        trigger('to');
+      }
+    } else {
+      const fromValue = getValues('from');
+      if (fromValue && dayjs(fromValue) > dayjs(newValue)) {
+        return 'Incorrect date';
+      }
+      if (formState.errors.from) {
+        trigger('from');
+      }
+    }
+  }, [ formState.errors.from, formState.errors.to, getValues, name, trigger ]);
+
+  return (
+    <Controller
+      name={ name }
+      control={ control }
+      render={ renderControl }
+      rules={{ required: true, validate }}
+    />
+  );
+};
+
+export default React.memo(CsvExportFormField);

ui/csvExport/CsvExportFormReCaptcha.tsx

+import React from 'react';
+import ReCaptcha from 'react-google-recaptcha';
+import type { UseFormReturn } from 'react-hook-form';
+
+import type { FormFields } from './types';
+
+import appConfig from 'configs/app/config';
+
+interface Props {
+  formApi: UseFormReturn<FormFields>;
+}
+
+const CsvExportFormReCaptcha = ({ formApi }: Props) => {
+
+  const ref = React.useRef<ReCaptcha>(null);
+
+  React.useEffect(() => {
+    formApi.register('reCaptcha', { required: true, shouldUnregister: true });
+
+    return () => {
+      formApi.unregister('reCaptcha');
+    };
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, []);
+
+  React.useEffect(() => {
+    ref.current?.reset();
+    formApi.trigger('reCaptcha');
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [ formApi.formState.submitCount ]);
+
+  const handleReCaptchaChange = React.useCallback((token: string | null) => {
+    if (token) {
+      formApi.clearErrors('reCaptcha');
+      formApi.setValue('reCaptcha', token, { shouldValidate: true });
+    }
+  }, [ formApi ]);
+
+  const handleReCaptchaExpire = React.useCallback(() => {
+    formApi.resetField('reCaptcha');
+    formApi.setError('reCaptcha', { type: 'required' });
+  }, [ formApi ]);
+
+  return (
+    <ReCaptcha
+      ref={ ref }
+      sitekey={ appConfig.reCaptcha.siteKey }
+      onChange={ handleReCaptchaChange }
+      onExpired={ handleReCaptchaExpire }
+    />
+  );
+};
+
+export default CsvExportFormReCaptcha;

ui/csvExport/types.ts

+export interface FormFields {
+  from: string;
+  to: string;
+  reCaptcha: string;
+}

ui/home/LatestTxsItem.tsx

@@ -26,7 +26,7 @@ type Props = {
   tx: Transaction;
 }
 
-const LatestBlocksItem = ({ tx }: Props) => {
+const LatestTxsItem = ({ tx }: Props) => {
   const dataTo = tx.to ? tx.to : tx.created_contract;
   const timeAgo = useTimeAgoIncrement(tx.timestamp || '0', true);
 
@@ -126,4 +126,4 @@ const LatestBlocksItem = ({ tx }: Props) => {
   );
 };
 
-export default LatestBlocksItem;
+export default React.memo(LatestTxsItem);

ui/pages/Address.tsx

@@ -20,7 +20,6 @@ import AddressLogs from 'ui/address/AddressLogs';
 import AddressTokens from 'ui/address/AddressTokens';
 import AddressTokenTransfers from 'ui/address/AddressTokenTransfers';
 import AddressTxs from 'ui/address/AddressTxs';
-import AdBanner from 'ui/shared/ad/AdBanner';
 import TextAd from 'ui/shared/ad/TextAd';
 import Page from 'ui/shared/Page/Page';
 import PageTitle from 'ui/shared/Page/PageTitle';
@@ -51,10 +50,15 @@ const AddressPageContent = () => {
   });
 
   const tags = [
+    addressQuery.data?.is_contract ? { label: 'contract', display_name: 'Contract' } : { label: 'eoa', display_name: 'EOA' },
+    addressQuery.data?.implementation_address ? { label: 'proxy', display_name: 'Proxy' } : undefined,
+    addressQuery.data?.token ? { label: 'token', display_name: 'Token' } : undefined,
     ...(addressQuery.data?.private_tags || []),
     ...(addressQuery.data?.public_tags || []),
     ...(addressQuery.data?.watchlist_names || []),
-  ].map((tag) => <Tag key={ tag.label }>{ tag.display_name }</Tag>);
+  ]
+    .filter(notEmpty)
+    .map((tag) => <Tag key={ tag.label }>{ tag.display_name }</Tag>);
 
   const contractTabs = useContractTabs(addressQuery.data);
 
@@ -97,7 +101,7 @@ const AddressPageContent = () => {
 
   return (
     <Page>
-      <TextAd mb={ 6 }/>
+      { addressQuery.isLoading ? <Skeleton h={{ base: 12, lg: 6 }} mb={ 6 } w="100%" maxW="680px"/> : <TextAd mb={ 6 }/> }
       { addressQuery.isLoading ? (
         <Skeleton h={ 10 } w="260px" mb={ 6 }/>
       ) : (
@@ -109,10 +113,10 @@ const AddressPageContent = () => {
         />
       ) }
       <AddressDetails addressQuery={ addressQuery } scrollRef={ tabsScrollRef }/>
-      <AdBanner mt={{ base: 6, lg: 8 }} justifyContent="center"/>
       { /* should stay before tabs to scroll up whith pagination */ }
       <Box ref={ tabsScrollRef }></Box>
       { addressQuery.isLoading ? <SkeletonTabs/> : content }
+      { !addressQuery.isLoading && !addressQuery.isError && <Box h={{ base: 0, lg: '40vh' }}/> }
     </Page>
   );
 };

ui/pages/ContractVerification.tsx

@@ -6,7 +6,6 @@ import type { SmartContractVerificationConfigRaw, SmartContractVerificationMetho
 
 import useApiQuery from 'lib/api/useApiQuery';
 import { useAppContext } from 'lib/appContext';
-import isBrowser from 'lib/isBrowser';
 import getQueryParamString from 'lib/router/getQueryParamString';
 import ContractVerificationForm from 'ui/contractVerification/ContractVerificationForm';
 import { isValidVerificationMethod, sortVerificationMethods } from 'ui/contractVerification/utils';
@@ -21,9 +20,7 @@ import PageTitle from 'ui/shared/Page/PageTitle';
 
 const ContractVerification = () => {
   const appProps = useAppContext();
-  const isInBrowser = isBrowser();
-  const referrer = isInBrowser ? window.document.referrer : appProps.referrer;
-  const hasGoBackLink = referrer && referrer.includes('/address');
+  const hasGoBackLink = appProps.referrer && appProps.referrer.includes('/address');
   const router = useRouter();
 
   const hash = getQueryParamString(router.query.hash);
@@ -91,7 +88,7 @@ const ContractVerification = () => {
     <Page>
       <PageTitle
         text="New smart contract verification"
-        backLinkUrl={ hasGoBackLink ? referrer : undefined }
+        backLinkUrl={ hasGoBackLink ? appProps.referrer : undefined }
         backLinkLabel="Back to contract"
       />
       { hash && (

ui/pages/CsvExport.tsx

+import { Flex } from '@chakra-ui/react';
+import { useRouter } from 'next/router';
+import React from 'react';
+
+import type { CsvExportType } from 'types/client/address';
+
+import type { ResourceName } from 'lib/api/resources';
+import useApiQuery from 'lib/api/useApiQuery';
+import { useAppContext } from 'lib/appContext';
+import useIsMobile from 'lib/hooks/useIsMobile';
+import CsvExportForm from 'ui/csvExport/CsvExportForm';
+import Address from 'ui/shared/address/Address';
+import AddressIcon from 'ui/shared/address/AddressIcon';
+import AddressLink from 'ui/shared/address/AddressLink';
+import ContentLoader from 'ui/shared/ContentLoader';
+import DataFetchAlert from 'ui/shared/DataFetchAlert';
+import Page from 'ui/shared/Page/Page';
+import PageTitle from 'ui/shared/Page/PageTitle';
+
+interface ExportTypeEntity {
+  text: string;
+  resource: ResourceName;
+  fileNameTemplate: string;
+}
+
+const EXPORT_TYPES: Record<CsvExportType, ExportTypeEntity> = {
+  transactions: {
+    text: 'transactions',
+    resource: 'csv_export_txs',
+    fileNameTemplate: 'transactions',
+  },
+  'internal-transactions': {
+    text: 'internal transactions',
+    resource: 'csv_export_internal_txs',
+    fileNameTemplate: 'internal_transactions',
+  },
+  'token-transfers': {
+    text: 'token transfers',
+    resource: 'csv_export_token_transfers',
+    fileNameTemplate: 'token_transfers',
+  },
+};
+
+const isCorrectExportType = (type: string): type is CsvExportType => Object.keys(EXPORT_TYPES).includes(type);
+
+const CsvExport = () => {
+  const router = useRouter();
+  const isMobile = useIsMobile();
+  const appProps = useAppContext();
+
+  const addressHash = router.query.address?.toString() || '';
+  const exportType = router.query.type?.toString() || '';
+  const hasGoBackLink = appProps.referrer && appProps.referrer.includes('/address');
+
+  const addressQuery = useApiQuery('address', {
+    pathParams: { hash: addressHash },
+    queryOptions: {
+      enabled: Boolean(addressHash),
+    },
+  });
+
+  if (!isCorrectExportType(exportType) || !addressHash || addressQuery.error?.status === 400) {
+    throw Error('Not found', { cause: { status: 404 } });
+  }
+
+  const content = (() => {
+    if (addressQuery.isError) {
+      return <DataFetchAlert/>;
+    }
+
+    if (addressQuery.isLoading) {
+      return <ContentLoader/>;
+    }
+
+    return <CsvExportForm hash={ addressHash } resource={ EXPORT_TYPES[exportType].resource } fileNameTemplate={ EXPORT_TYPES[exportType].fileNameTemplate }/>;
+  })();
+
+  return (
+    <Page>
+      <PageTitle
+        text="Export data to CSV file"
+        backLinkUrl={ hasGoBackLink ? appProps.referrer : undefined }
+        backLinkLabel="Back to address"
+      />
+      <Flex mb={ 10 } whiteSpace="pre-wrap" flexWrap="wrap">
+        <span>Export { EXPORT_TYPES[exportType].text } for address </span>
+        <Address>
+          <AddressIcon address={{ hash: addressHash, is_contract: true, implementation_name: null }}/>
+          <AddressLink hash={ addressHash } type="address" ml={ 2 } truncation={ isMobile ? 'constant' : 'dynamic' }/>
+        </Address>
+        <span> to CSV file</span>
+      </Flex>
+      { content }
+    </Page>
+  );
+};
+
+export default CsvExport;

ui/pages/Sol2Uml.tsx

@@ -2,6 +2,7 @@ import { Flex } from '@chakra-ui/react';
 import { useRouter } from 'next/router';
 import React from 'react';
 
+import { useAppContext } from 'lib/appContext';
 import useIsMobile from 'lib/hooks/useIsMobile';
 import Address from 'ui/shared/address/Address';
 import AddressIcon from 'ui/shared/address/AddressIcon';
@@ -13,12 +14,18 @@ import Sol2UmlDiagram from 'ui/sol2uml/Sol2UmlDiagram';
 const Sol2Uml = () => {
   const router = useRouter();
   const isMobile = useIsMobile();
+  const appProps = useAppContext();
 
   const addressHash = router.query.address?.toString() || '';
+  const hasGoBackLink = appProps.referrer && appProps.referrer.includes('/address');
 
   return (
     <Page>
-      <PageTitle text="Solidity UML diagram"/>
+      <PageTitle
+        text="Solidity UML diagram"
+        backLinkUrl={ hasGoBackLink ? appProps.referrer : undefined }
+        backLinkLabel="Back to address"
+      />
       <Flex mb={ 10 }>
         <span>For contract</span>
         <Address ml={ 3 }>

ui/pages/Token.tsx

-import { Skeleton, Box, Flex, SkeletonCircle, Icon } from '@chakra-ui/react';
+import { Skeleton, Box, Flex, SkeletonCircle, Icon, Tag } from '@chakra-ui/react';
 import { useRouter } from 'next/router';
 import React, { useEffect } from 'react';
 
@@ -13,7 +13,6 @@ import useQueryWithPages from 'lib/hooks/useQueryWithPages';
 import notEmpty from 'lib/notEmpty';
 import trimTokenSymbol from 'lib/token/trimTokenSymbol';
 import AddressContract from 'ui/address/AddressContract';
-import AdBanner from 'ui/shared/ad/AdBanner';
 import TextAd from 'ui/shared/ad/TextAd';
 import Page from 'ui/shared/Page/Page';
 import PageTitle from 'ui/shared/Page/PageTitle';
@@ -141,13 +140,29 @@ const TokenPageContent = () => {
 
   const tokenSymbolText = tokenQuery.data?.symbol ? ` (${ trimTokenSymbol(tokenQuery.data.symbol) })` : '';
 
+  const tabListProps = React.useCallback(({ isSticky, activeTabIndex }: { isSticky: boolean; activeTabIndex: number }) => {
+    if (isMobile) {
+      return { mt: 8 };
+    }
+
+    return {
+      mt: 3,
+      py: 5,
+      marginBottom: 0,
+      boxShadow: activeTabIndex === 2 && isSticky ? 'action_bar' : 'none',
+    };
+  }, [ isMobile ]);
+
   return (
     <Page>
       { tokenQuery.isLoading ? (
-        <Flex alignItems="center" mb={ 6 }>
-          <SkeletonCircle w={ 6 } h={ 6 } mr={ 3 }/>
-          <Skeleton w="500px" h={ 10 }/>
-        </Flex>
+        <>
+          <Skeleton h={{ base: 12, lg: 6 }} mb={ 6 } w="100%" maxW="680px"/>
+          <Flex alignItems="center" mb={ 6 }>
+            <SkeletonCircle w={ 6 } h={ 6 } mr={ 3 }/>
+            <Skeleton w="500px" h={ 10 }/>
+          </Flex>
+        </>
       ) : (
         <>
           <TextAd mb={ 6 }/>
@@ -158,23 +173,25 @@ const TokenPageContent = () => {
             additionalsLeft={ (
               <TokenLogo hash={ tokenQuery.data?.address } name={ tokenQuery.data?.name } boxSize={ 6 }/>
             ) }
+            additionalsRight={ <Tag>{ tokenQuery.data?.type }</Tag> }
           />
         </>
       ) }
       <TokenContractInfo tokenQuery={ tokenQuery }/>
       <TokenDetails tokenQuery={ tokenQuery }/>
-      <AdBanner mt={{ base: 6, lg: 8 }} justifyContent="center"/>
       { /* should stay before tabs to scroll up whith pagination */ }
       <Box ref={ scrollRef }></Box>
 
       { tokenQuery.isLoading || contractQuery.isLoading ? <SkeletonTabs/> : (
         <RoutedTabs
           tabs={ tabs }
-          tabListProps={ isMobile ? { mt: 8 } : { mt: 3, py: 5, marginBottom: 0 } }
+          tabListProps={ tabListProps }
           rightSlot={ !isMobile && hasPagination ? <Pagination { ...(pagination as PaginationProps) }/> : null }
           stickyEnabled={ !isMobile }
         />
       ) }
+
+      { !tokenQuery.isLoading && !tokenQuery.isError && <Box h={{ base: 0, lg: '40vh' }}/> }
     </Page>
   );
 };

ui/shared/ActionBar.tsx

@@ -7,12 +7,13 @@ import useIsSticky from 'lib/hooks/useIsSticky';
 type Props = {
   children: React.ReactNode;
   className?: string;
+  showShadow?: boolean;
 }
 
 const TOP_UP = 106;
 const TOP_DOWN = 0;
 
-const ActionBar = ({ children, className }: Props) => {
+const ActionBar = ({ children, className, showShadow }: Props) => {
   const ref = React.useRef<HTMLDivElement>(null);
   const scrollDirection = useScrollDirection();
   const isSticky = useIsSticky(ref, TOP_UP + 5);
@@ -36,7 +37,10 @@ const ActionBar = ({ children, className }: Props) => {
       transitionProperty="top,box-shadow,background-color,color"
       transitionDuration="normal"
       zIndex={{ base: 'sticky2', lg: 'docked' }}
-      boxShadow={{ base: isSticky ? 'md' : 'none', lg: 'none' }}
+      boxShadow={{
+        base: isSticky ? 'md' : 'none',
+        lg: isSticky && showShadow ? 'action_bar' : 'none',
+      }}
       ref={ ref }
     >
       { children }

ui/shared/DetailsSponsoredItem.tsx

+import { GridItem } from '@chakra-ui/react';
+import React from 'react';
+
+import useIsMobile from 'lib/hooks/useIsMobile';
+import AdBanner from 'ui/shared/ad/AdBanner';
+import DetailsInfoItem from 'ui/shared/DetailsInfoItem';
+
+const DetailsSponsoredItem = () => {
+  const isMobile = useIsMobile();
+
+  if (isMobile) {
+    return (
+      <GridItem mt={ 5 }>
+        <AdBanner justifyContent="center"/>
+      </GridItem>
+    );
+  }
+
+  return (
+    <DetailsInfoItem
+      title="Sponsored"
+      hint="Sponsored banner advertisement"
+    >
+      <AdBanner/>
+    </DetailsInfoItem>
+  );
+};
+
+export default React.memo(DetailsSponsoredItem);