fix: Update tx flow form when selecting a replacement nonce

src/components/tx-flow/SafeTxProvider.tsx

@@ -4,7 +4,6 @@ import type { SafeTransaction } from '@safe-global/safe-core-sdk-types'
 import { createTx } from '@/services/tx/tx-sender'
 import { useRecommendedNonce, useSafeTxGas } from '../tx/SignOrExecuteForm/hooks'
 import { Errors, logError } from '@/services/exceptions'
-import useSafeInfo from '@/hooks/useSafeInfo'
 
 export const SafeTxContext = createContext<{
   safeTx?: SafeTransaction
@@ -36,13 +35,12 @@ const SafeTxProvider = ({ children }: { children: ReactNode }): ReactElement =>
   const [nonce, setNonce] = useState<number>()
   const [nonceNeeded, setNonceNeeded] = useState<boolean>(true)
   const [safeTxGas, setSafeTxGas] = useState<number>()
-  const { safe } = useSafeInfo()
 
   // Signed txs cannot be updated
   const isSigned = safeTx && safeTx.signatures.size > 0
 
   // Recommended nonce and safeTxGas
-  const recommendedNonce = Math.max(safe.nonce, useRecommendedNonce() ?? 0)
+  const recommendedNonce = useRecommendedNonce()
   const recommendedSafeTxGas = useSafeTxGas(safeTx)
 
   // Priority to external nonce, then to the recommended one

src/components/tx-flow/common/TxNonce/index.tsx

@@ -104,7 +104,7 @@ const TxNonceForm = ({ nonce, recommendedNonce }: { nonce: string; recommendedNo
     defaultValues: {
       [TxNonceFormFieldNames.NONCE]: nonce,
     },
-    mode: 'onTouched',
+    mode: 'all',
     values: {
       [TxNonceFormFieldNames.NONCE]: nonce,
     },
@@ -122,6 +122,9 @@ const TxNonceForm = ({ nonce, recommendedNonce }: { nonce: string; recommendedNo
         required: 'Nonce is required',
         // Validation must be async to allow resetting invalid values onBlur
         validate: async (value) => {
+          // nonce is always valid so no need to validate if the input is the same
+          if (value === nonce) return
+
           const newNonce = Number(value)
 
           if (isNaN(newNonce)) {

src/components/tx/SignOrExecuteForm/hooks.ts

@@ -165,10 +165,12 @@ export const useRecommendedNonce = (): number | undefined => {
   const { safeAddress, safe } = useSafeInfo()
 
   const [recommendedNonce] = useAsync(
-    () => {
+    async () => {
       if (!safe.chainId || !safeAddress) return
 
-      return getRecommendedNonce(safe.chainId, safeAddress)
+      const recommendedNonce = await getRecommendedNonce(safe.chainId, safeAddress)
+
+      return recommendedNonce ? Math.max(safe.nonce, recommendedNonce) : undefined
     },
     // eslint-disable-next-line react-hooks/exhaustive-deps
     [safeAddress, safe.chainId, safe.txQueuedTag], // update when tx queue changes