PoC: public transaction notes

src/components/transactions/TxDetails/TxNote.tsx

@@ -0,0 +1,44 @@
+import { DataRow } from '@/components/common/Table/DataRow'
+import useAsync from '@/hooks/useAsync'
+import { useCurrentChain } from '@/hooks/useChains'
+import { isMultisigDetailedExecutionInfo } from '@/utils/transaction-guards'
+import { Box, Divider } from '@mui/material'
+import type { TransactionDetails } from '@safe-global/safe-gateway-typescript-sdk'
+
+const TxNote = ({ txDetails }: { txDetails: TransactionDetails }) => {
+  const currentChain = useCurrentChain()
+  const txService = currentChain?.transactionService
+
+  let safeTxHash = ''
+  if (isMultisigDetailedExecutionInfo(txDetails.detailedExecutionInfo)) {
+    safeTxHash = txDetails.detailedExecutionInfo?.safeTxHash
+  }
+
+  const [data] = useAsync(() => {
+    if (!safeTxHash || !txService) return
+    return fetch(`${txService}/api/v1/multisig-transactions/${safeTxHash}`).then((res) => res.json())
+  }, [safeTxHash, txService])
+
+  let note = ''
+  if (data) {
+    try {
+      const origin = JSON.parse(data.origin)
+      const parsedName = JSON.parse(origin.name)
+      note = parsedName.note
+    } catch {
+      // Ignore, no note
+    }
+  }
+
+  return note ? (
+    <>
+      <Box m={2} py={1}>
+        <DataRow title="Proposer note:">{note}</DataRow>
+      </Box>
+
+      <Divider sx={{ mb: 2 }} />
+    </>
+  ) : null
+}
+
+export default TxNote

src/components/transactions/TxDetails/index.tsx

@@ -36,6 +36,7 @@ import { FEATURES } from '@/utils/chains'
 import { useGetTransactionDetailsQuery } from '@/store/api/gateway'
 import { asError } from '@/services/exceptions/utils'
 import { POLLING_INTERVAL } from '@/config/constants'
+import TxNote from './TxNote'
 
 export const NOT_AVAILABLE = 'n/a'
 
@@ -82,6 +83,8 @@ const TxDetailsBlock = ({ txSummary, txDetails }: TxDetailsProps): ReactElement
     <>
       {/* /Details */}
       <div className={`${css.details} ${isUnsigned ? css.noSigners : ''}`}>
+        <TxNote txDetails={txDetails} />
+
         <div className={css.shareLink}>
           <TxShareLink id={txSummary.id} />
         </div>

src/components/tx/SignOrExecuteForm/SignOrExecuteForm.tsx

@@ -41,6 +41,7 @@ import ConfirmationView from '../confirmation-views'
 import { SignerForm } from './SignerForm'
 import { useSigner } from '@/hooks/wallets/useWallet'
 import { isNestedConfirmationTxInfo } from '@/utils/transaction-guards'
+import TxNoteForm from './TxNoteForm'
 
 export type SubmitCallback = (txId: string, isExecuted?: boolean) => void
 
@@ -142,6 +143,7 @@ export const SignOrExecuteForm = ({
   isCreation?: boolean
   txDetails?: TransactionDetails
 }): ReactElement => {
+  const [customOrigin, setCustomOrigin] = useState<string | undefined>(props.origin)
   const { transactionExecution } = useAppSelector(selectSettings)
   const [shouldExecute, setShouldExecute] = useState<boolean>(transactionExecution)
   const isNewExecutableTx = useImmediatelyExecutable() && isCreation
@@ -204,6 +206,19 @@ export const SignOrExecuteForm = ({
     [onFormSubmit],
   )
 
+  const onNoteSubmit = useCallback(
+    (note: string) => {
+      const originalOrigin = props.origin ? JSON.parse(props.origin) : { url: location.origin }
+      setCustomOrigin(
+        JSON.stringify({
+          ...originalOrigin,
+          name: JSON.stringify({ note }),
+        }),
+      )
+    },
+    [setCustomOrigin, props.origin],
+  )
+
   return (
     <>
       <TxCard>
@@ -230,6 +245,8 @@ export const SignOrExecuteForm = ({
 
       {!isCounterfactualSafe && !props.isRejection && <TxChecks />}
 
+      {isCreation && <TxNoteForm onSubmit={onNoteSubmit} />}
+
       <SignerForm willExecute={willExecute} />
 
       <TxCard>
@@ -264,7 +281,13 @@ export const SignOrExecuteForm = ({
           <CounterfactualForm {...props} safeTx={safeTx} isCreation={isCreation} onSubmit={onFormSubmit} onlyExecute />
         )}
         {!isCounterfactualSafe && willExecute && !isProposing && (
-          <ExecuteForm {...props} safeTx={safeTx} isCreation={isCreation} onSubmit={onFormSubmit} />
+          <ExecuteForm
+            {...props}
+            origin={customOrigin}
+            safeTx={safeTx}
+            isCreation={isCreation}
+            onSubmit={onFormSubmit}
+          />
         )}
         {!isCounterfactualSafe && willExecuteThroughRole && (
           <ExecuteThroughRoleForm
@@ -278,6 +301,7 @@ export const SignOrExecuteForm = ({
         {!isCounterfactualSafe && !willExecute && !willExecuteThroughRole && !isProposing && (
           <SignForm
             {...props}
+            origin={customOrigin}
             safeTx={safeTx}
             isBatchable={isBatchable}
             isCreation={isCreation}

src/components/tx/SignOrExecuteForm/TxNoteForm.tsx

@@ -0,0 +1,39 @@
+import { useState } from 'react'
+import { Button, Stack, TextField, Typography } from '@mui/material'
+import TxCard from '@/components/tx-flow/common/TxCard'
+
+const TxNoteForm = ({ onSubmit }: { onSubmit: (note: string) => void }) => {
+  const [note, setNote] = useState('')
+
+  const onFormSubmit = (e: React.FormEvent<HTMLFormElement>) => {
+    e.preventDefault()
+    const formData = new FormData(e.currentTarget)
+    const value = formData.get('note') as string
+    if (value) {
+      onSubmit(value)
+      setNote(value)
+    }
+  }
+
+  return (
+    <TxCard>
+      <form onSubmit={onFormSubmit}>
+        <Typography variant="h6">Add a note</Typography>
+
+        <TextField name="note" label="Transaction description" fullWidth margin="normal" disabled={!!note} />
+
+        <Stack direction="row" spacing={2} alignItems="center" justifyContent="flex-end" sx={{ mt: 1 }}>
+          <Typography variant="caption" flex={1}>
+            Attention: transaction notes are public
+          </Typography>
+          {note && <Typography variant="body2">Note added</Typography>}
+          <Button variant="outlined" type="submit" disabled={!!note}>
+            Add note
+          </Button>
+        </Stack>
+      </form>
+    </TxCard>
+  )
+}
+
+export default TxNoteForm

src/hooks/useTransactionType.tsx

@@ -111,7 +111,14 @@ export const getTransactionType = (tx: TransactionSummary, addressBook: AddressB
       }
     }
     case TransactionInfoType.CUSTOM: {
-      if (isMultiSendTxInfo(tx.txInfo) && !tx.safeAppInfo) {
+      if (tx.safeAppInfo) {
+        return {
+          icon: tx.safeAppInfo.logoUri,
+          text: tx.safeAppInfo.name,
+        }
+      }
+
+      if (isMultiSendTxInfo(tx.txInfo)) {
         return {
           icon: <SvgIcon component={BatchIcon} inheritViewBox fontSize="small" alt="Batch" />,
           text: 'Batch',
@@ -145,13 +152,6 @@ export const getTransactionType = (tx: TransactionSummary, addressBook: AddressB
       }
     }
     default: {
-      if (tx.safeAppInfo) {
-        return {
-          icon: tx.safeAppInfo.logoUri,
-          text: tx.safeAppInfo.name,
-        }
-      }
-
       return {
         icon: '/images/transactions/custom.svg',
         text: addressBookName || 'Contract interaction',