Merge pull request #1483 from blockscout/tom2drum/issue-1476

Tuple item names are not displayed in the new UI

mocks/contract/methods.ts

@@ -14,7 +14,7 @@ export const read: Array<SmartContractReadMethod> = [
     method_id: '70a08231',
     name: 'FLASHLOAN_PREMIUM_TOTAL',
     outputs: [
-      { internalType: 'uint256', name: '', type: 'uint256' },
+      { internalType: 'uint256', name: 'amount', type: 'uint256' },
     ],
     payable: false,
     stateMutability: 'view',
@@ -97,7 +97,7 @@ export const read: Array<SmartContractReadMethod> = [
 export const readResultSuccess: SmartContractQueryMethodReadSuccess = {
   is_error: false,
   result: {
-    names: [ 'uint256' ],
+    names: [ 'amount' ],
     output: [
       { type: 'uint256', value: '42' },
     ],

types/api/contract.ts

@@ -97,10 +97,10 @@ export interface SmartContractMethodOutput extends SmartContractMethodInput {
 export interface SmartContractQueryMethodReadSuccess {
   is_error: false;
   result: {
-    names: Array<string>;
+    names: Array<string | [ string, Array<string> ]>;
     output: Array<{
       type: string;
-      value: string;
+      value: string | Array<unknown>;
     }>;
   };
 }

ui/address/contract/ContractMethodCallable.tsx

-import { Box, Button, chakra, Flex, Text } from '@chakra-ui/react';
+import { Box, Button, chakra, Flex } from '@chakra-ui/react';
 import _fromPairs from 'lodash/fromPairs';
 import React from 'react';
 import type { SubmitHandler } from 'react-hook-form';
@@ -158,7 +158,17 @@ const ContractMethodCallable = <T extends SmartContractMethod>({ data, onSubmit,
       { 'outputs' in data && !isWrite && data.outputs.length > 0 && (
         <Flex mt={ 3 }>
           <IconSvg name="arrows/down-right" boxSize={ 5 } mr={ 1 }/>
-          <Text>{ data.outputs.map(({ type }) => type).join(', ') }</Text>
+          <p>
+            { data.outputs.map(({ type, name }, index) => {
+              return (
+                <>
+                  <chakra.span fontWeight={ 500 }>{ name } </chakra.span>
+                  <span>{ name ? `(${ type })` : type }</span>
+                  { index < data.outputs.length - 1 && <span>, </span> }
+                </>
+              );
+            }) }
+          </p>
         </Flex>
       ) }
       { result && <ResultComponent item={ data } result={ result } onSettle={ handleTxSettle }/> }

ui/address/contract/ContractReadResult.pw.tsx

@@ -99,3 +99,34 @@ test('success', async({ mount }) => {
 
   await expect(component).toHaveScreenshot();
 });
+
+test('complex success', async({ mount }) => {
+  const result: ContractMethodReadResult = {
+    is_error: false,
+    result: {
+      names: [
+        [
+          'data',
+          [ 'totalSupply', 'owner', 'symbol' ],
+        ],
+        'supports721',
+        'page',
+      ],
+      output: [
+        {
+          type: 'tuple[uint256,address,string]',
+          value: [ 1000, '0xe150519ae293922cfe6217feba3add4726f5e851', 'AOC_INCUBATORS' ],
+        },
+        { type: 'bool', value: 'true' },
+        { type: 'uint256[]', value: [ 1, 2, 3, 4, 5 ] },
+      ],
+    },
+  };
+  const component = await mount(
+    <TestApp>
+      <ContractReadResult item={ item } onSettle={ onSettle } result={ result }/>
+    </TestApp>,
+  );
+
+  await expect(component).toHaveScreenshot();
+});

ui/address/contract/ContractReadResult.tsx

@@ -2,17 +2,55 @@ import { Alert, Box, chakra, useColorModeValue } from '@chakra-ui/react';
 import React from 'react';
 
 import type { ContractMethodReadResult } from './types';
-import type { SmartContractReadMethod } from 'types/api/contract';
+import type { SmartContractQueryMethodReadSuccess, SmartContractReadMethod } from 'types/api/contract';
 
 import hexToUtf8 from 'lib/hexToUtf8';
 
+const TUPLE_TYPE_REGEX = /\[(.+)\]/;
+
 const ContractReadResultError = ({ children }: {children: React.ReactNode}) => {
   return (
     <Alert status="error" mt={ 3 } p={ 4 } borderRadius="md" fontSize="sm" wordBreak="break-word" whiteSpace="pre-wrap">
       { children }
     </Alert>
   );
+};
+
+interface ItemProps {
+  output: SmartContractQueryMethodReadSuccess['result']['output'][0];
+  name: SmartContractQueryMethodReadSuccess['result']['names'][0];
+}
+
+const ContractReadResultItem = ({ output, name }: ItemProps) => {
+  if (Array.isArray(name)) {
+    const [ structName, argNames ] = name;
+    const argTypes = output.type.match(TUPLE_TYPE_REGEX)?.[1].split(',');
 
+    return (
+      <>
+        <p>
+          <chakra.span fontWeight={ 500 }>  { structName }</chakra.span>
+          <span> ({ output.type }) :</span>
+        </p>
+        { argNames.map((argName, argIndex) => {
+          return (
+            <p key={ argName }>
+              <chakra.span fontWeight={ 500 }>      { argName }</chakra.span>
+              <span>{ argTypes?.[argIndex] ? ` (${ argTypes[argIndex] })` : '' } : { String(output.value[argIndex]) }</span>
+            </p>
+          );
+        }) }
+      </>
+    );
+  }
+
+  return (
+    <p>
+      <span>  </span>
+      { name && <chakra.span fontWeight={ 500 }>{ name } </chakra.span> }
+      <span>({ output.type }) : { String(output.value) }</span>
+    </p>
+  );
 };
 
 interface Props {
@@ -53,14 +91,12 @@ const ContractReadResult = ({ item, result, onSettle }: Props) => {
   }
 
   return (
-    <Box mt={ 3 } p={ 4 } borderRadius="md" bgColor={ resultBgColor } fontSize="sm">
+    <Box mt={ 3 } p={ 4 } borderRadius="md" bgColor={ resultBgColor } fontSize="sm" whiteSpace="break-spaces" wordBreak="break-all">
       <p>
-        [ <chakra.span fontWeight={ 600 }>{ 'name' in item ? item.name : '' }</chakra.span> method response ]
+        [ <chakra.span fontWeight={ 500 }>{ 'name' in item ? item.name : '' }</chakra.span> method response ]
       </p>
       <p>[</p>
-      { result.result.output.map(({ type, value }, index) => (
-        <chakra.p key={ index } whiteSpace="break-spaces" wordBreak="break-all">  { type }: { String(value) }</chakra.p>
-      )) }
+      { result.result.output.map((output, index) => <ContractReadResultItem key={ index } output={ output } name={ result.result.names[index] }/>) }
       <p>]</p>
     </Box>
   );