alerts

types/api/contract.ts

@@ -15,6 +15,7 @@ export interface SmartContract {
   source_code: string | null;
   constructor_args: string | null;
   can_be_visualized_via_sol2uml: boolean | null;
+  is_vyper_contract: boolean | null;
 }
 
 export interface SmartContractMethodBase {

ui/address/contract/ContractCode.tsx

-import { Flex, Skeleton, Button, Grid, GridItem, Text } from '@chakra-ui/react';
+import { Flex, Skeleton, Button, Grid, GridItem, Text, Alert, Link, chakra } from '@chakra-ui/react';
 import dynamic from 'next/dynamic';
 import { useRouter } from 'next/router';
 import React from 'react';
 
 import useApiQuery from 'lib/api/useApiQuery';
 import link from 'lib/link/link';
+import Address from 'ui/shared/address/Address';
+import AddressIcon from 'ui/shared/address/AddressIcon';
+import AddressLink from 'ui/shared/address/AddressLink';
 import DataFetchAlert from 'ui/shared/DataFetchAlert';
+import ExternalLink from 'ui/shared/ExternalLink';
 import RawDataSnippet from 'ui/shared/RawDataSnippet';
 
 const DynamicContractSourceCode = dynamic(
@@ -23,10 +27,11 @@ const InfoItem = ({ label, value }: { label: string; value: string }) => (
 const ContractCode = () => {
   const router = useRouter();
 
+  const addressHash = router.query.id?.toString();
   const { data, isLoading, isError } = useApiQuery('contract', {
-    pathParams: { id: router.query.id?.toString() },
+    pathParams: { id: addressHash },
     queryOptions: {
-      enabled: Boolean(router.query.id),
+      enabled: Boolean(addressHash),
       refetchOnMount: false,
     },
   });
@@ -58,7 +63,7 @@ const ContractCode = () => {
       ml="auto"
       mr={ 3 }
       as="a"
-      href={ link('address_contract_verification', { id: router.query.id?.toString() }) }
+      href={ link('address_contract_verification', { id: addressHash }) }
     >
         Verify & publish
     </Button>
@@ -66,6 +71,26 @@ const ContractCode = () => {
 
   return (
     <>
+      <Flex flexDir="column" rowGap={ 2 } mb={ 6 }>
+        <Alert status="success">Contract Source Code Verified (Exact Match)</Alert>
+        <Alert status="warning" whiteSpace="pre-wrap" flexWrap="wrap">
+          <span>This contract has been partially verified via Sourcify. </span>
+          <ExternalLink href="https://repo.sourcify.dev/" title="View contract in Sourcify repository" fontSize="md"/>
+        </Alert>
+        <Alert status="warning">
+          Warning! Contract bytecode has been changed and does not match the verified one. Therefore, interaction with this smart contract may be risky.
+        </Alert>
+        <Alert status="warning" whiteSpace="pre-wrap" flexWrap="wrap">
+          <span>Contract is not verified. However, we found a verified contract with the same bytecode in Blockscout DB </span>
+          <Address>
+            <AddressIcon address={{ hash: addressHash || '', is_contract: false }}/>
+            <AddressLink hash={ addressHash || '' } truncation="constant" ml={ 2 }/>
+          </Address>
+          <chakra.span mt={ 1 }>All functions displayed below are from ABI of that contract. In order to verify current contract, proceed with </chakra.span>
+          <Link>Verify & Publish</Link>
+          <span> page</span>
+        </Alert>
+      </Flex>
       { data.is_verified && (
         <Grid templateColumns={{ base: '1fr', lg: '1fr 1fr' }} rowGap={ 4 } columnGap={ 6 } mb={ 8 }>
           { data.name && <InfoItem label="Contract name" value={ data.name }/> }
@@ -87,7 +112,8 @@ const ContractCode = () => {
           <DynamicContractSourceCode
             data={ data.source_code }
             hasSol2Yml={ Boolean(data.can_be_visualized_via_sol2uml) }
-            address={ router.query.id?.toString() }
+            address={ addressHash }
+            isViper={ Boolean(data.is_vyper_contract) }
           />
         ) }
         { data.abi && (
@@ -102,6 +128,12 @@ const ContractCode = () => {
             data={ data.creation_bytecode }
             title="Contract creation code"
             rightSlot={ data.is_verified ? null : verificationButton }
+            beforeSlot={ (
+              <Alert status="info" whiteSpace="pre-wrap" mb={ 3 }>
+                Contracts that self destruct in their constructors have no contract code published and cannot be verified.
+                Displaying the init data provided of the creating transaction.
+              </Alert>
+            ) }
           />
         ) }
         { data.deployed_bytecode && (

ui/address/contract/ContractSourceCode.tsx

@@ -9,13 +9,17 @@ interface Props {
   data: string;
   hasSol2Yml: boolean;
   address?: string;
+  isViper: boolean;
 }
 
-const ContractSourceCode = ({ data, hasSol2Yml, address }: Props) => {
+const ContractSourceCode = ({ data, hasSol2Yml, address, isViper }: Props) => {
   return (
     <Box>
       <Flex justifyContent="space-between" alignItems="center" mb={ 3 }>
-        <Text fontWeight={ 500 }>Contract source code</Text>
+        <Text fontWeight={ 500 }>
+          <span>Contract source code</span>
+          <Text whiteSpace="pre" as="span" variant="secondary"> ({ isViper ? 'Vyper' : 'Solidity' })</Text>
+        </Text>
         { hasSol2Yml && address && (
           <Tooltip label="Visualize contract code using Sol2Uml JS library">
             <Link

ui/address/contract/ContractWrite.tsx

@@ -2,7 +2,7 @@ import { Alert } from '@chakra-ui/react';
 import _capitalize from 'lodash/capitalize';
 import { useRouter } from 'next/router';
 import React from 'react';
-import { useSigner } from 'wagmi';
+import { useAccount, useSigner } from 'wagmi';
 
 import type { ContractMethodWriteResult } from './types';
 import type { SmartContractWriteMethod } from 'types/api/contract';
@@ -28,6 +28,7 @@ const ContractWrite = ({ isProxy }: Props) => {
 
   const addressHash = router.query.id?.toString();
   const { data: signer } = useSigner();
+  const { isConnected } = useAccount();
 
   const { data, isLoading, isError } = useApiQuery(isProxy ? 'contract_methods_write_proxy' : 'contract_methods_write', {
     pathParams: { id: addressHash },
@@ -40,6 +41,11 @@ const ContractWrite = ({ isProxy }: Props) => {
   const _contract = isProxy ? proxy : contract;
 
   const handleMethodFormSubmit = React.useCallback(async(item: SmartContractWriteMethod, args: Array<string | Array<string>>) => {
+    if (!isConnected) {
+      throw new Error('Wallet is not connected');
+
+    }
+
     try {
       if (!_contract) {
         return;
@@ -83,7 +89,7 @@ const ContractWrite = ({ isProxy }: Props) => {
       }
       throw error;
     }
-  }, [ _contract, addressHash, signer ]);
+  }, [ _contract, addressHash, isConnected, signer ]);
 
   const renderResult = React.useCallback((item: SmartContractWriteMethod, result: ContractMethodWriteResult) => {
     if (!result || 'message' in result) {

ui/shared/ExternalLink.tsx

-import { Link, Icon } from '@chakra-ui/react';
+import { Link, Icon, chakra } from '@chakra-ui/react';
 import React from 'react';
 
 import arrowIcon from 'icons/arrows/north-east.svg';
@@ -6,15 +6,16 @@ import arrowIcon from 'icons/arrows/north-east.svg';
 interface Props {
   href: string;
   title: string;
+  className?: string;
 }
 
-const ExternalLink = ({ href, title }: Props) => {
+const ExternalLink = ({ href, title, className }: Props) => {
   return (
-    <Link fontSize="sm" display="inline-flex" alignItems="center" target="_blank" href={ href }>
+    <Link className={ className } fontSize="sm" display="inline-flex" alignItems="center" target="_blank" href={ href }>
       { title }
       <Icon as={ arrowIcon } boxSize={ 4 }/>
     </Link>
   );
 };
 
-export default React.memo(ExternalLink);
+export default React.memo(chakra(ExternalLink));

ui/shared/RawDataSnippet.tsx

@@ -8,10 +8,11 @@ interface Props {
   title?: string;
   className?: string;
   rightSlot?: React.ReactNode;
+  beforeSlot?: React.ReactNode;
   textareaMinHeight?: string;
 }
 
-const RawDataSnippet = ({ data, className, title, rightSlot, textareaMinHeight }: Props) => {
+const RawDataSnippet = ({ data, className, title, rightSlot, beforeSlot, textareaMinHeight }: Props) => {
   return (
     <Box className={ className }>
       <Flex justifyContent={ title ? 'space-between' : 'flex-end' } alignItems="center" mb={ 3 }>
@@ -19,6 +20,7 @@ const RawDataSnippet = ({ data, className, title, rightSlot, textareaMinHeight }
         { rightSlot }
         <CopyToClipboard text={ data }/>
       </Flex>
+      { beforeSlot }
       <Textarea
         variant="filledInactive"
         p={ 4 }