Enables BRIDGE ALL for ETH

packages/omgx/wallet-frontend/src/actions/networkAction.js

@@ -60,7 +60,15 @@ export function depositL2LP(token, value) {
   )
 }
 
-//DEPOSIT ETH
+//SWAP RELATED - Depositing into the L2LP triggers the swap-exit - variant of depositL2LP
+//that handles Exit All 
+export function fastExitAll(token, value) {
+  return createAction('EXIT/CREATE', () =>
+    networkService.fastExitAll(token, value)
+  )
+}
+
+//CLASSICAL DEPOSIT ETH
 export function depositETHL2(value) {
   return createAction('DEPOSIT/CREATE', () => {
       return networkService.depositETHL2(value)

packages/omgx/wallet-frontend/src/containers/modals/exit/steps/DoExitStepFast.js

@@ -17,7 +17,7 @@ import React, { useState, useEffect } from 'react'
 
 import { useDispatch, useSelector } from 'react-redux'
 
-import { depositL2LP } from 'actions/networkAction'
+import { depositL2LP, fastExitAll } from 'actions/networkAction'
 import { openAlert } from 'actions/uiAction'
 
 import { selectLoading } from 'selectors/loadingSelector'
@@ -101,6 +101,28 @@ function DoExitStepFast({ handleClose, token }) {
 
   }
 
+  async function doExitAll() {
+
+    console.log("Amount to exit:", token.balance.toString())
+
+    let res = await dispatch(
+      fastExitAll(
+        token.address
+      )
+    )
+
+    if (res) {
+      dispatch(
+          openAlert(
+            `${token.symbol} was bridged. You will receive
+            ${receivableAmount(value)} ${token.symbol} minus gas fees (if bridging ETH) on L1.`
+          )
+        )
+      handleClose()
+    }
+
+  }
+
   useEffect(() => {
     if (typeof(token) !== 'undefined') {
       networkService.L1LPBalance(token.addressL1).then((res) => {
@@ -109,6 +131,9 @@ function DoExitStepFast({ handleClose, token }) {
       networkService.getTotalFeeRate().then((feeRate) => {
         setFeeRate(feeRate)
       })
+      // networkService.getFastExitAllCost(token.address).then((fee) => {
+      //   console.log("fee:",fee)
+      // })
     }
     // to clean up state and fix the
     // error in console for max state update.
@@ -189,6 +214,20 @@ function DoExitStepFast({ handleClose, token }) {
         )}
       </Box>
 
+          <Button
+            onClick={doExitAll}
+            color='primary'
+            variant='contained'
+            loading={loading}
+            tooltip={loading ? "Your transaction is still pending. Please wait for confirmation." : "Click here to bridge your funds to L1"}
+            disabled={false}
+            triggerTime={new Date()}
+            fullWidth={isMobile}
+            size='large'
+          >
+            Bridge All to L1
+          </Button>
+
       <WrapperActionsModal>
           <Button
             onClick={handleClose}
@@ -210,6 +249,7 @@ function DoExitStepFast({ handleClose, token }) {
           >
             Bridge to L1
           </Button>
+
       </WrapperActionsModal>
     </>
   )

packages/omgx/wallet-frontend/src/services/networkService.js

@@ -1394,7 +1394,8 @@ class NetworkService {
         this.L2LPAddress
       )
 
-      let depositAmount_BN = new BN(value_Wei_String)
+      //let depositAmount_BN = new BN(value_Wei_String)
+      let depositAmount_BN = BigNumber.from(value_Wei_String)
 
       if (depositAmount_BN.gt(allowance_BN)) {
         const approveStatus = await L2ERC20Contract.approve(
@@ -2052,6 +2053,103 @@ class NetworkService {
     return balance.toString()
   }
 
+  /**************************************************************/
+  /***** SWAP OFF from BOBA by depositing funds to the L2LP *****/
+  /**************************************************************/
+  async fastExitAll(currencyAddress) {
+
+    updateSignatureStatus_exitLP(false)
+
+    let costToExit_BN = BigNumber.from("0")
+    let approvalGas_BN = BigNumber.from("0")
+    let approvalCost_BN = BigNumber.from("0")
+
+    const L2ERC20Contract = new ethers.Contract(
+      currencyAddress,
+      L2ERC20Json.abi,
+      this.provider.getSigner()
+    )
+
+    let balance_BN = await L2ERC20Contract.balanceOf(
+      this.account
+    )
+    console.log("Initial Balance (ETH)", utils.formatEther(balance_BN))
+
+    let allowance_BN = await L2ERC20Contract.allowance(
+      this.account,
+      this.L2LPAddress
+    )
+    //console.log("Allowance:",allowance_BN.toString())
+
+    if (balance_BN.gt(allowance_BN)) {
+
+      //Estimate gas
+      const tx = await L2ERC20Contract.populateTransaction.approve(
+        this.L2LPAddress,
+        balance_BN
+      )
+
+      approvalGas_BN = await this.L2Provider.estimateGas(tx)
+      approvalCost_BN = approvalGas_BN.mul('15000000')
+
+      console.log("Cost to Approve", utils.formatEther(approvalCost_BN))
+
+      const approveStatus = await L2ERC20Contract.approve(
+        this.L2LPAddress,
+        balance_BN
+      )
+      await approveStatus.wait()
+
+      if (!approveStatus) 
+        return false
+
+    } else {
+      //console.log("Balance:",balance_BN)
+      console.log("Allowance is already suitable:", utils.formatEther(allowance_BN))
+    }
+
+    balance_BN = balance_BN.sub(approvalCost_BN)
+    console.log("Balance after approval", utils.formatEther(balance_BN))
+
+    const tx2 = await this.L2LPContract.populateTransaction.clientDepositL2(
+      balance_BN,
+      currencyAddress
+    )
+    //console.log("tx2",tx2)
+
+    const despositGas_BN = await this.L2Provider.estimateGas(tx2)
+
+    let despositCost_BN = despositGas_BN.mul('15000000')
+    console.log("Deposit gas cost (ETH)", utils.formatEther(despositCost_BN))
+
+    let amount_BN = balance_BN.sub(despositCost_BN)
+    console.log("Amount to exit (ETH)", utils.formatEther(amount_BN))
+
+    const depositTX = await this.L2LPContract.clientDepositL2(
+      amount_BN.toString(),
+      currencyAddress
+    )
+
+    //at this point the tx has been submitted, and we are waiting...
+    await depositTX.wait()
+
+    //closes the modal
+    updateSignatureStatus_exitLP(true)
+
+    // Waiting for the response from L1
+    const [L2ToL1msgHash] = await this.fastWatcher.getMessageHashesFromL2Tx(
+      depositTX.hash
+    )
+    console.log(' got L2->L1 message hash', L2ToL1msgHash)
+
+    const L1Receipt = await this.fastWatcher.getL1TransactionReceipt(
+      L2ToL1msgHash
+    )
+    console.log(' completed Deposit! L1 tx hash:', L1Receipt.transactionHash)
+
+    return L1Receipt
+  }
+
   /**************************************************************/
   /***** SWAP OFF from BOBA by depositing funds to the L2LP *****/
   /**************************************************************/
@@ -2070,7 +2168,8 @@ class NetworkService {
       this.L2LPAddress
     )
 
-    let depositAmount_BN = new BN(value_Wei_String)
+    //let depositAmount_BN = new BN(value_Wei_String)
+    let depositAmount_BN = BigNumber.from(value_Wei_String)
 
     if (depositAmount_BN.gt(allowance_BN)) {
       const approveStatus = await L2ERC20Contract.approve(