Wire up withdraw USDC saga to modal state

packages/common/src/store/ui/withdraw-usdc/slice.ts

@@ -62,7 +62,14 @@ const slice = createSlice({
     setAmountFailed: (state, action: PayloadAction<{ error: Error }>) => {
       state.amountError = action.payload.error
     },
-    beginWithdrawUSDC: (state) => {
+    beginWithdrawUSDC: (
+      state,
+      _action: PayloadAction<{
+        amount: number
+        destinationAddress: string
+        onSuccess: (transaction: string) => void
+      }>
+    ) => {
       state.withdrawStatus = Status.LOADING
     },
     withdrawUSDCSucceeded: (state) => {

packages/web/src/components/withdraw-usdc-modal/WithdrawUSDCModal.tsx

@@ -1,11 +1,15 @@
+import { useCallback } from 'react'
+
 import {
   SolanaWalletAddress,
   useUSDCBalance,
   useWithdrawUSDCModal,
-  WithdrawUSDCModalPages
+  WithdrawUSDCModalPages,
+  withdrawUSDCActions
 } from '@audius/common'
 import { Modal, ModalContent, ModalHeader } from '@audius/stems'
 import { Formik } from 'formik'
+import { useDispatch } from 'react-redux'
 import { z } from 'zod'
 import { toFormikValidationSchema } from 'zod-formik-adapter'
 
@@ -20,6 +24,8 @@ import { EnterTransferDetails } from './components/EnterTransferDetails'
 import { TransferInProgress } from './components/TransferInProgress'
 import { TransferSuccessful } from './components/TransferSuccessful'
 
+const { beginWithdrawUSDC } = withdrawUSDCActions
+
 const messages = {
   title: 'Withdraw Funds',
   errors: {
@@ -49,10 +55,34 @@ const WithdrawUSDCFormSchema = (userBalance: number) => {
 }
 
 export const WithdrawUSDCModal = () => {
-  const { isOpen, onClose, onClosed, data } = useWithdrawUSDCModal()
+  const dispatch = useDispatch()
+  const { isOpen, onClose, onClosed, data, setData } = useWithdrawUSDCModal()
   const { page } = data
   const { data: balance } = useUSDCBalance()
 
+  const onSuccess = useCallback(
+    (signature: string) => {
+      setData({
+        page: WithdrawUSDCModalPages.TRANSFER_SUCCESSFUL,
+        signature
+      })
+    },
+    [setData]
+  )
+
+  const handleSubmit = useCallback(
+    ({ amount, address }: { amount: number; address: string }) => {
+      dispatch(
+        beginWithdrawUSDC({
+          amount,
+          destinationAddress: address,
+          onSuccess
+        })
+      )
+    },
+    [dispatch, onSuccess]
+  )
+
   let formPage
   switch (page) {
     case WithdrawUSDCModalPages.ENTER_TRANSFER_DETAILS:
@@ -90,15 +120,15 @@ export const WithdrawUSDCModal = () => {
       </ModalHeader>
       <ModalContent>
         <Formik
-          initialValues={{ [AMOUNT]: balance, [ADDRESS]: '', [CONFIRM]: false }}
+          initialValues={{
+            [AMOUNT]: balance?.toNumber() ?? 0,
+            [ADDRESS]: '',
+            [CONFIRM]: false
+          }}
           validationSchema={toFormikValidationSchema(
             WithdrawUSDCFormSchema(balance?.toNumber() ?? 0)
           )}
-          // TODO -- call sagas to withdraw
-          // Saga in turn should update modal state to advance page
-          onSubmit={(values) => {
-            console.info(values)
-          }}
+          onSubmit={handleSubmit}
         >
           {formPage}
         </Formik>

packages/web/src/components/withdraw-usdc-modal/components/ConfirmTransferDetails.tsx

@@ -18,6 +18,7 @@ import {
   AMOUNT,
   CONFIRM
 } from 'components/withdraw-usdc-modal/WithdrawUSDCModal'
+import { toHumanReadable } from 'utils/tokenInput'
 
 import styles from './ConfirmTransferDetails.module.css'
 import { Hint } from './Hint'
@@ -56,7 +57,10 @@ export const ConfirmTransferDetails = () => {
   return (
     <div className={styles.root}>
       <div className={styles.amount}>
-        <TextRow left={messages.amountToWithdraw} right={`-$${amountValue}`} />
+        <TextRow
+          left={messages.amountToWithdraw}
+          right={`-$${toHumanReadable(amountValue)}`}
+        />
       </div>
       <Divider style={{ margin: 0 }} />
       <div className={styles.destination}>

packages/web/src/components/withdraw-usdc-modal/components/TransferInProgress.tsx

@@ -14,6 +14,7 @@ import {
   ADDRESS,
   AMOUNT
 } from 'components/withdraw-usdc-modal/WithdrawUSDCModal'
+import { toHumanReadable } from 'utils/tokenInput'
 
 import { TextRow } from './TextRow'
 import styles from './TransferInProgress.module.css'
@@ -40,7 +41,10 @@ export const TransferInProgress = () => {
           left={messages.currentBalance}
           right={`$${balanceFormatted}`}
         />
-        <TextRow left={messages.amountToWithdraw} right={`-$${amountValue}`} />
+        <TextRow
+          left={messages.amountToWithdraw}
+          right={`-$${toHumanReadable(amountValue)}`}
+        />
       </div>
       <Divider style={{ margin: 0 }} />
       <div className={styles.destination}>

packages/web/src/components/withdraw-usdc-modal/components/TransferSuccessful.tsx

@@ -22,6 +22,7 @@ import {
   ADDRESS,
   AMOUNT
 } from 'components/withdraw-usdc-modal/WithdrawUSDCModal'
+import { toHumanReadable } from 'utils/tokenInput'
 
 import { TextRow } from './TextRow'
 import styles from './TransferSuccessful.module.css'
@@ -56,7 +57,10 @@ export const TransferSuccessful = () => {
   return (
     <div className={styles.root}>
       <Divider style={{ margin: 0 }} />
-      <TextRow left={messages.amountWithdrawn} right={`-$${amountValue}`} />
+      <TextRow
+        left={messages.amountWithdrawn}
+        right={`-$${toHumanReadable(amountValue)}`}
+      />
       <Divider style={{ margin: 0 }} />
       <div className={styles.newBalance}>
         <TextRow left={messages.newBalance} right={`$${balanceFormatted}`} />

packages/web/src/pages/upload-page/fields/availability/UsdcPurchaseFields.tsx

@@ -12,9 +12,9 @@ import { TextField, TextFieldProps } from 'components/form-fields'
 import layoutStyles from 'components/layout/layout.module.css'
 import { Text } from 'components/typography'
 import {
-  PRECISION,
   onTokenInputBlur,
-  onTokenInputChange
+  onTokenInputChange,
+  toHumanReadable
 } from 'utils/tokenInput'
 
 import { PREVIEW, PRICE } from '../AccessAndSaleField'
@@ -94,7 +94,7 @@ const PriceField = (props: TrackAvailabilityFieldsProps) => {
   const { disabled } = props
   const [{ value }, , { setValue: setPrice }] = useField<number>(PRICE)
   const [humanizedValue, setHumanizedValue] = useState(
-    value ? (value / 100).toFixed(PRECISION) : null
+    value ? toHumanReadable(value) : null
   )
 
   const handlePriceChange: ChangeEventHandler<HTMLInputElement> = useCallback(

packages/web/src/store/application/ui/withdraw-usdc/sagas.ts

@@ -1,6 +1,5 @@
 import {
   withdrawUSDCActions,
-  withdrawUSDCSelectors,
   solanaSelectors,
   ErrorLevel,
   SolanaWalletAddress,
@@ -47,10 +46,9 @@ const {
   setDestinationAddress,
   setDestinationAddressFailed,
   setDestinationAddressSucceeded,
-  withdrawUSDCFailed
+  withdrawUSDCFailed,
+  withdrawUSDCSucceeded
 } = withdrawUSDCActions
-const { getWithdrawDestinationAddress, getWithdrawAmount } =
-  withdrawUSDCSelectors
 const { getFeePayer } = solanaSelectors
 
 function* doSetAmount({ payload: { amount } }: ReturnType<typeof setAmount>) {
@@ -109,15 +107,18 @@ function* doSetDestinationAddress({
   }
 }
 
-function* doWithdrawUSDC({ payload }: ReturnType<typeof beginWithdrawUSDC>) {
+/**
+ * Handles all logic for withdrawing USDC to a given destination. Expects amount in dollars.
+ */
+function* doWithdrawUSDC({
+  payload: { amount, destinationAddress, onSuccess }
+}: ReturnType<typeof beginWithdrawUSDC>) {
   try {
     const libs = yield* call(getLibs)
     if (!libs.solanaWeb3Manager) {
       throw new Error('Failed to get solana web3 manager')
     }
     // Assume destinationAddress and amount have already been validated
-    const destinationAddress = yield* select(getWithdrawDestinationAddress)
-    const amount = yield* select(getWithdrawAmount)
     if (!destinationAddress || !amount) {
       throw new Error('Please enter a valid destination address and amount')
     }
@@ -256,9 +257,10 @@ function* doWithdrawUSDC({ payload }: ReturnType<typeof beginWithdrawUSDC>) {
       )
       destinationTokenAccount = destinationTokenAccountPubkey.toString()
     }
-    const amountWei = new BN(amount).mul(
-      new BN(TOKEN_LISTING_MAP.USDC.decimals)
-    )
+    // Multiply by 10^6 to account for USDC decimals, but also convert from cents to dollars
+    const amountWei = new BN(amount)
+      .mul(new BN(10 ** TOKEN_LISTING_MAP.USDC.decimals))
+      .div(new BN(100))
     const usdcUserBank = yield* call(getUSDCUserBank)
     const transferInstructions = yield* call(
       [
@@ -288,6 +290,8 @@ function* doWithdrawUSDC({ payload }: ReturnType<typeof beginWithdrawUSDC>) {
       'Withdraw USDC - successfully transferred USDC - tx hash',
       transferSignature
     )
+    yield* call(onSuccess, transferSignature)
+    yield* put(withdrawUSDCSucceeded())
   } catch (e: unknown) {
     console.error('Withdraw USDC failed', e)
     const reportToSentry = yield* getContext('reportToSentry')

packages/web/src/utils/tokenInput.ts

@@ -30,3 +30,7 @@ export const onTokenInputBlur = (e: FocusEvent<HTMLInputElement>) => {
     .padEnd(PRECISION, '0')
   return `${whole.length > 0 ? whole : '0'}.${paddedDecimal}`
 }
+
+export const toHumanReadable = (value: number) => {
+  return (value / 100).toFixed(PRECISION)
+}