From 65045ba7b9d7dfe74247109b585bcba4876f9552 Mon Sep 17 00:00:00 2001
From: Matthias Kretschmann <m@kretschmann.io>
Date: Tue, 28 Jun 2022 14:44:32 +0100
Subject: [PATCH] put back Remove Liquidity components (#1551)

* put back Remove Liquidity components

* remove Pool Share Lock action
---
 .../AssetActions/Pool/Actions.module.css      |  25 ++
 .../organisms/AssetActions/Pool/Actions.tsx   |  75 +++++
 .../AssetActions/Pool/Add/Output.module.css   |  24 ++
 .../AssetActions/Pool/Add/index.module.css    |  24 ++
 .../AssetActions/Pool/Remove.module.css       |  70 ++++
 .../organisms/AssetActions/Pool/Remove.tsx    | 313 ++++++++++++++++++
 .../organisms/AssetActions/Pool/index.tsx     |  60 +++-
 .../organisms/AssetActions/Pool/utils.ts      |  37 +++
 .../AssetActions/Trade/Slippage.module.css    |  30 ++
 .../organisms/AssetActions/index.tsx          |   1 -
 10 files changed, 641 insertions(+), 18 deletions(-)
 create mode 100644 src/components/organisms/AssetActions/Pool/Actions.module.css
 create mode 100644 src/components/organisms/AssetActions/Pool/Actions.tsx
 create mode 100644 src/components/organisms/AssetActions/Pool/Add/Output.module.css
 create mode 100644 src/components/organisms/AssetActions/Pool/Add/index.module.css
 create mode 100644 src/components/organisms/AssetActions/Pool/Remove.module.css
 create mode 100644 src/components/organisms/AssetActions/Pool/Remove.tsx
 create mode 100644 src/components/organisms/AssetActions/Pool/utils.ts
 create mode 100644 src/components/organisms/AssetActions/Trade/Slippage.module.css

diff --git a/src/components/organisms/AssetActions/Pool/Actions.module.css b/src/components/organisms/AssetActions/Pool/Actions.module.css
new file mode 100644
index 000000000..d6b521977
--- /dev/null
+++ b/src/components/organisms/AssetActions/Pool/Actions.module.css
@@ -0,0 +1,25 @@
+.actions {
+  margin-left: -2rem;
+  margin-right: -2rem;
+  padding-left: var(--spacer);
+  padding-right: var(--spacer);
+  padding-top: calc(var(--spacer) / 1.5);
+  border-top: 1px solid var(--border-color);
+  text-align: center;
+  display: flex;
+  justify-content: center;
+}
+
+.success {
+  margin-top: calc(var(--spacer) / 2);
+  margin-bottom: calc(var(--spacer) / 2);
+}
+
+.actions button {
+  margin-left: calc(var(--spacer) / 4);
+  margin-right: calc(var(--spacer) / 4);
+}
+
+.actions button svg {
+  fill: currentColor;
+}
diff --git a/src/components/organisms/AssetActions/Pool/Actions.tsx b/src/components/organisms/AssetActions/Pool/Actions.tsx
new file mode 100644
index 000000000..3aa1ff3b2
--- /dev/null
+++ b/src/components/organisms/AssetActions/Pool/Actions.tsx
@@ -0,0 +1,75 @@
+import React, { ReactElement } from 'react'
+import Loader from '../../../atoms/Loader'
+import Button from '../../../atoms/Button'
+import styles from './Actions.module.css'
+import ExplorerLink from '../../../atoms/ExplorerLink'
+import SuccessConfetti from '../../../atoms/SuccessConfetti'
+import { useOcean } from '../../../../providers/Ocean'
+import { useWeb3 } from '../../../../providers/Web3'
+import TokenApproval from '../../../molecules/TokenApproval'
+
+export default function Actions({
+  isLoading,
+  loaderMessage,
+  successMessage,
+  txId,
+  actionName,
+  amount,
+  coin,
+  action,
+  isDisabled
+}: {
+  isLoading: boolean
+  loaderMessage: string
+  successMessage: string
+  txId: string
+  actionName: string
+  amount?: string
+  coin?: string
+  action: () => void
+  isDisabled?: boolean
+}): ReactElement {
+  const { networkId } = useWeb3()
+  const { ocean } = useOcean()
+
+  const actionButton = (
+    <Button
+      style="primary"
+      size="small"
+      onClick={() => action()}
+      disabled={!ocean || isDisabled}
+    >
+      {actionName}
+    </Button>
+  )
+
+  return (
+    <>
+      <div className={styles.actions}>
+        {isLoading ? (
+          <Loader message={loaderMessage} />
+        ) : actionName === 'Supply' || actionName === 'Swap' ? (
+          <TokenApproval
+            actionButton={actionButton}
+            amount={amount}
+            coin={coin}
+            disabled={!ocean || isDisabled}
+          />
+        ) : (
+          actionButton
+        )}
+      </div>
+      {txId && (
+        <SuccessConfetti
+          className={styles.success}
+          success={successMessage}
+          action={
+            <ExplorerLink networkId={networkId} path={`/tx/${txId}`}>
+              View transaction
+            </ExplorerLink>
+          }
+        />
+      )}
+    </>
+  )
+}
diff --git a/src/components/organisms/AssetActions/Pool/Add/Output.module.css b/src/components/organisms/AssetActions/Pool/Add/Output.module.css
new file mode 100644
index 000000000..c21bfc785
--- /dev/null
+++ b/src/components/organisms/AssetActions/Pool/Add/Output.module.css
@@ -0,0 +1,24 @@
+.output {
+  display: grid;
+  gap: var(--spacer);
+  grid-template-columns: 1fr 1fr;
+  padding-bottom: calc(var(--spacer) / 2);
+}
+
+.output p {
+  font-weight: var(--font-weight-bold);
+  margin-bottom: calc(var(--spacer) / 8);
+  font-size: var(--font-size-small);
+}
+
+.output div:first-child [class*='token'] {
+  white-space: normal;
+}
+
+.output div:first-child [class*='token'] > figure {
+  display: none;
+}
+
+.help {
+  text-align: center;
+}
diff --git a/src/components/organisms/AssetActions/Pool/Add/index.module.css b/src/components/organisms/AssetActions/Pool/Add/index.module.css
new file mode 100644
index 000000000..3f5b2967c
--- /dev/null
+++ b/src/components/organisms/AssetActions/Pool/Add/index.module.css
@@ -0,0 +1,24 @@
+.addInput {
+  margin: 0 auto calc(var(--spacer) / 1.5) auto;
+  background: var(--background-highlight);
+  padding: var(--spacer) calc(var(--spacer) * 2.5) calc(var(--spacer) * 1.2)
+    calc(var(--spacer) * 2.5);
+  border-bottom: 1px solid var(--border-color);
+  margin-top: -2rem;
+  margin-left: -2rem;
+  margin-right: -2rem;
+  position: relative;
+}
+
+.addInput input {
+  text-align: center;
+}
+
+.addInput div[class*='field'] {
+  margin-bottom: 0;
+}
+
+.warning {
+  margin-left: -3rem;
+  margin-right: -3rem;
+}
diff --git a/src/components/organisms/AssetActions/Pool/Remove.module.css b/src/components/organisms/AssetActions/Pool/Remove.module.css
new file mode 100644
index 000000000..1d3d229e8
--- /dev/null
+++ b/src/components/organisms/AssetActions/Pool/Remove.module.css
@@ -0,0 +1,70 @@
+.removeInput {
+  composes: addInput from './Add/index.module.css';
+  padding-left: calc(var(--spacer) * 2);
+  padding-right: calc(var(--spacer) * 2);
+  padding-bottom: calc(var(--spacer) / 2);
+}
+
+.range {
+  margin-top: calc(var(--spacer) / 2);
+  text-align: center;
+}
+
+.range h3 {
+  margin-bottom: calc(var(--spacer) / 4);
+}
+
+.range input {
+  width: 100%;
+}
+
+.range p {
+  margin-bottom: 0;
+  margin-left: -2rem;
+  margin-right: -2rem;
+}
+
+.slider {
+  position: relative;
+  z-index: 1;
+}
+
+.maximum {
+  position: absolute;
+  right: -2rem;
+  bottom: 2rem;
+  font-size: var(--font-size-mini);
+  min-width: 5rem;
+  text-align: center;
+}
+
+.toggle {
+  margin-top: calc(var(--spacer) / 2);
+  margin-bottom: 0;
+  font-size: var(--font-size-mini);
+  margin-bottom: -2rem;
+}
+
+.output {
+  composes: output from './Add/Output.module.css';
+}
+
+.output [class*='token'] {
+  white-space: nowrap;
+}
+
+.output [class*='token'] > figure {
+  display: inline-block;
+}
+
+.output figure[class*='pool shares'] {
+  display: none;
+}
+
+.output p {
+  font-size: var(--font-size-small);
+}
+
+.slippage {
+  composes: slippage from '../Trade/Slippage.module.css';
+}
diff --git a/src/components/organisms/AssetActions/Pool/Remove.tsx b/src/components/organisms/AssetActions/Pool/Remove.tsx
new file mode 100644
index 000000000..77c3b3a7f
--- /dev/null
+++ b/src/components/organisms/AssetActions/Pool/Remove.tsx
@@ -0,0 +1,313 @@
+import React, {
+  ReactElement,
+  useState,
+  ChangeEvent,
+  useEffect,
+  FormEvent,
+  useRef
+} from 'react'
+import styles from './Remove.module.css'
+import Header from './Header'
+import { toast } from 'react-toastify'
+import Actions from './Actions'
+import { Logger } from '@oceanprotocol/lib'
+import Token from './Token'
+import FormHelp from '../../../atoms/Input/Help'
+import Button from '../../../atoms/Button'
+import { getMaxPercentRemove } from './utils'
+import { graphql, useStaticQuery } from 'gatsby'
+import debounce from 'lodash.debounce'
+import UserLiquidity from '../../../atoms/UserLiquidity'
+import InputElement from '../../../atoms/Input/InputElement'
+import { useOcean } from '../../../../providers/Ocean'
+import { useWeb3 } from '../../../../providers/Web3'
+import Decimal from 'decimal.js'
+import { useAsset } from '../../../../providers/Asset'
+
+const contentQuery = graphql`
+  query PoolRemoveQuery {
+    content: allFile(filter: { relativePath: { eq: "price.json" } }) {
+      edges {
+        node {
+          childContentJson {
+            pool {
+              remove {
+                title
+                simple
+                advanced
+                output {
+                  titleIn
+                  titleOut
+                }
+                action
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+`
+
+export default function Remove({
+  setShowRemove,
+  refreshInfo,
+  poolAddress,
+  poolTokens,
+  totalPoolTokens,
+  dtSymbol
+}: {
+  setShowRemove: (show: boolean) => void
+  refreshInfo: () => void
+  poolAddress: string
+  poolTokens: string
+  totalPoolTokens: string
+  dtSymbol: string
+}): ReactElement {
+  const data = useStaticQuery(contentQuery)
+  const content = data.content.edges[0].node.childContentJson.pool.remove
+
+  const slippagePresets = ['5', '10', '15', '25', '50']
+  const { accountId } = useWeb3()
+  const { ocean } = useOcean()
+  const { isAssetNetwork } = useAsset()
+  const [amountPercent, setAmountPercent] = useState('0')
+  const [amountMaxPercent, setAmountMaxPercent] = useState('100')
+  const [amountPoolShares, setAmountPoolShares] = useState('0')
+  const [amountOcean, setAmountOcean] = useState('0')
+  const [amountDatatoken, setAmountDatatoken] = useState('0')
+  const [isAdvanced, setIsAdvanced] = useState(false)
+  const [isLoading, setIsLoading] = useState<boolean>()
+  const [txId, setTxId] = useState<string>()
+  const [slippage, setSlippage] = useState<string>('5')
+  const [minOceanAmount, setMinOceanAmount] = useState<string>('0')
+  const [minDatatokenAmount, setMinDatatokenAmount] = useState<string>('0')
+
+  Decimal.set({ toExpNeg: -18, precision: 18, rounding: 1 })
+
+  async function handleRemoveLiquidity() {
+    setIsLoading(true)
+    try {
+      const result =
+        isAdvanced === true
+          ? await ocean.pool.removePoolLiquidity(
+              accountId,
+              poolAddress,
+              amountPoolShares,
+              minDatatokenAmount,
+              minOceanAmount
+            )
+          : await ocean.pool.removeOceanLiquidityWithMinimum(
+              accountId,
+              poolAddress,
+              amountPoolShares,
+              minOceanAmount
+            )
+
+      setTxId(result?.transactionHash)
+      refreshInfo()
+    } catch (error) {
+      Logger.error(error.message)
+      toast.error(error.message)
+    } finally {
+      setIsLoading(false)
+    }
+  }
+
+  // Get and set max percentage
+  useEffect(() => {
+    if (!ocean || !poolTokens) return
+
+    async function getMax() {
+      const amountMaxPercent =
+        isAdvanced === true
+          ? '100'
+          : await getMaxPercentRemove(ocean, poolAddress, poolTokens)
+      setAmountMaxPercent(amountMaxPercent)
+    }
+    getMax()
+  }, [ocean, isAdvanced, poolAddress, poolTokens])
+
+  const getValues = useRef(
+    debounce(async (newAmountPoolShares, isAdvanced) => {
+      if (isAdvanced === true) {
+        const tokens = await ocean.pool.getTokensRemovedforPoolShares(
+          poolAddress,
+          `${newAmountPoolShares}`
+        )
+        setAmountOcean(tokens?.oceanAmount)
+        setAmountDatatoken(tokens?.dtAmount)
+        return
+      }
+
+      const amountOcean = await ocean.pool.getOceanRemovedforPoolShares(
+        poolAddress,
+        newAmountPoolShares
+      )
+      setAmountOcean(amountOcean)
+    }, 150)
+  )
+  // Check and set outputs when amountPoolShares changes
+  useEffect(() => {
+    if (!ocean || !poolTokens) return
+    getValues.current(amountPoolShares, isAdvanced)
+  }, [
+    amountPoolShares,
+    isAdvanced,
+    ocean,
+    poolTokens,
+    poolAddress,
+    totalPoolTokens
+  ])
+
+  useEffect(() => {
+    const minOceanAmount = new Decimal(amountOcean)
+      .mul(new Decimal(100).minus(new Decimal(slippage)))
+      .dividedBy(100)
+      .toString()
+
+    const minDatatokenAmount = new Decimal(amountDatatoken)
+      .mul(new Decimal(100).minus(new Decimal(slippage)))
+      .dividedBy(100)
+      .toString()
+
+    setMinOceanAmount(minOceanAmount.slice(0, 18))
+    setMinDatatokenAmount(minDatatokenAmount.slice(0, 18))
+  }, [slippage, amountOcean, amountDatatoken, isAdvanced])
+
+  // Set amountPoolShares based on set slider value
+  function handleAmountPercentChange(e: ChangeEvent<HTMLInputElement>) {
+    setAmountPercent(e.target.value)
+    if (!poolTokens) return
+
+    const amountPoolShares = new Decimal(e.target.value)
+      .dividedBy(100)
+      .mul(new Decimal(poolTokens))
+      .toString()
+
+    setAmountPoolShares(`${amountPoolShares.slice(0, 18)}`)
+  }
+
+  function handleMaxButton(e: ChangeEvent<HTMLInputElement>) {
+    e.preventDefault()
+    setAmountPercent(amountMaxPercent)
+
+    const amountPoolShares = new Decimal(amountMaxPercent)
+      .dividedBy(100)
+      .mul(new Decimal(poolTokens))
+      .toString()
+
+    setAmountPoolShares(`${amountPoolShares.slice(0, 18)}`)
+  }
+
+  function handleAdvancedButton(e: FormEvent<HTMLButtonElement>) {
+    e.preventDefault()
+    setIsAdvanced(!isAdvanced)
+
+    setAmountPoolShares('0')
+    setAmountPercent('0')
+    setAmountOcean('0')
+    setSlippage('5')
+    setMinOceanAmount('0')
+    setMinDatatokenAmount('0')
+
+    if (isAdvanced === true) {
+      setAmountDatatoken('0')
+    }
+  }
+
+  function handleSlippageChange(e: ChangeEvent<HTMLSelectElement>) {
+    setSlippage(e.target.value)
+  }
+
+  return (
+    <div className={styles.remove}>
+      <Header title={content.title} backAction={() => setShowRemove(false)} />
+
+      <form className={styles.removeInput}>
+        <UserLiquidity amount={poolTokens} symbol="pool shares" />
+        <div className={styles.range}>
+          <h3>{amountPercent}%</h3>
+          <div className={styles.slider}>
+            <input
+              type="range"
+              min="0"
+              max={amountMaxPercent}
+              disabled={!isAssetNetwork}
+              value={amountPercent}
+              onChange={(e: ChangeEvent<HTMLInputElement>) =>
+                handleAmountPercentChange(e)
+              }
+            />
+            <Button
+              style="text"
+              size="small"
+              className={styles.maximum}
+              disabled={!isAssetNetwork}
+              onClick={(e: ChangeEvent<HTMLInputElement>) => handleMaxButton(e)}
+            >
+              {`${amountMaxPercent}% max`}
+            </Button>
+          </div>
+
+          <FormHelp>
+            {isAdvanced === true ? content.advanced : content.simple}
+          </FormHelp>
+          <Button
+            style="text"
+            size="small"
+            onClick={(e: FormEvent<HTMLButtonElement>) =>
+              handleAdvancedButton(e)
+            }
+            disabled={!isAssetNetwork}
+            className={styles.toggle}
+          >
+            {isAdvanced === true ? 'Simple' : 'Advanced'}
+          </Button>
+        </div>
+      </form>
+      <div className={styles.output}>
+        <div>
+          <p>{content.output.titleIn}</p>
+          <Token symbol="pool shares" balance={amountPoolShares} noIcon />
+        </div>
+        <div>
+          <p>{content.output.titleOut} minimum</p>
+          {isAdvanced === true ? (
+            <>
+              <Token symbol="OCEAN" balance={minOceanAmount} />
+              <Token symbol={dtSymbol} balance={minDatatokenAmount} />
+            </>
+          ) : (
+            <Token symbol="OCEAN" balance={minOceanAmount} />
+          )}
+        </div>
+      </div>
+      <div className={styles.slippage}>
+        <strong>Expected price impact</strong>
+        <InputElement
+          name="slippage"
+          type="select"
+          size="mini"
+          postfix="%"
+          sortOptions={false}
+          options={slippagePresets}
+          disabled={!isAssetNetwork}
+          value={slippage}
+          onChange={(e: ChangeEvent<HTMLSelectElement>) =>
+            handleSlippageChange(e)
+          }
+        />
+      </div>
+      <Actions
+        isLoading={isLoading}
+        loaderMessage="Removing Liquidity..."
+        actionName={content.action}
+        action={() => handleRemoveLiquidity()}
+        successMessage="Successfully removed liquidity."
+        isDisabled={!isAssetNetwork}
+        txId={txId}
+      />
+    </div>
+  )
+}
diff --git a/src/components/organisms/AssetActions/Pool/index.tsx b/src/components/organisms/AssetActions/Pool/index.tsx
index a2cccdc11..72eeb6404 100644
--- a/src/components/organisms/AssetActions/Pool/index.tsx
+++ b/src/components/organisms/AssetActions/Pool/index.tsx
@@ -1,8 +1,8 @@
 import React, { ReactElement, useEffect, useState } from 'react'
 import { Logger } from '@oceanprotocol/lib'
 import styles from './index.module.css'
+import stylesActions from './Actions.module.css'
 import PriceUnit from '../../../atoms/Price/PriceUnit'
-import Alert from '../../../atoms/Alert'
 import Tooltip from '../../../atoms/Tooltip'
 import ExplorerLink from '../../../atoms/ExplorerLink'
 import Token from './Token'
@@ -19,10 +19,8 @@ import PoolTransactions from '../../../molecules/PoolTransactions'
 import { fetchData, getQueryContext } from '../../../../utils/subgraph'
 import { isValidNumber } from './../../../../utils/numberValidations'
 import Decimal from 'decimal.js'
-import {
-  MigrationStatus,
-  useMigrationStatus
-} from '../../../../providers/Migration'
+import Remove from './Remove'
+import Button from '../../../atoms/Button'
 
 const REFETCH_INTERVAL = 5000
 
@@ -86,11 +84,10 @@ export default function Pool(): ReactElement {
   const content = data.content.edges[0].node.childContentJson.pool
 
   const { accountId } = useWeb3()
-  const { status } = useMigrationStatus()
 
   const [dtSymbol, setDtSymbol] = useState<string>()
   const [oceanSymbol, setOceanSymbol] = useState<string>()
-  const { ddo, owner, price } = useAsset()
+  const { ddo, owner, price, isInPurgatory, isAssetNetwork } = useAsset()
 
   const [poolTokens, setPoolTokens] = useState<string>()
   const [totalPoolTokens, setTotalPoolTokens] = useState<string>()
@@ -116,6 +113,13 @@ export default function Pool(): ReactElement {
   const [liquidityFetchInterval, setLiquidityFetchInterval] =
     useState<NodeJS.Timeout>()
 
+  const [showRemove, setShowRemove] = useState(false)
+  const [isRemoveDisabled, setIsRemoveDisabled] = useState(false)
+
+  const [hasAddedLiquidity, setHasAddedLiquidity] = useState(false)
+  // the purpose of the value is just to trigger the effect
+  const [refreshPool, setRefreshPool] = useState(false)
+
   async function getPoolLiquidity() {
     const queryContext = getQueryContext(ddo.chainId)
     const queryVariables = {
@@ -267,6 +271,10 @@ export default function Pool(): ReactElement {
     init()
   }, [dataLiquidity, ddo.dataToken, price.datatoken, price.ocean, price?.value])
 
+  useEffect(() => {
+    setIsRemoveDisabled(isInPurgatory && owner === accountId)
+  }, [isInPurgatory, owner, accountId])
+
   useEffect(() => {
     if (!dataLiquidity) return
     const poolShare =
@@ -280,6 +288,7 @@ export default function Pool(): ReactElement {
         .toFixed(5)
 
     setPoolShare(poolShare)
+    setHasAddedLiquidity(Number(poolShare) > 0)
 
     const totalUserLiquidityInOcean =
       isValidNumber(userLiquidity?.ocean) &&
@@ -350,7 +359,23 @@ export default function Pool(): ReactElement {
     init()
   }, [accountId, price, ddo, owner, totalPoolTokens])
 
-  return (
+  const refreshInfo = async () => {
+    setRefreshPool(!refreshPool)
+
+    // need some form of replacement or something.
+    // await refreshPrice()
+  }
+
+  return showRemove ? (
+    <Remove
+      setShowRemove={setShowRemove}
+      refreshInfo={refreshInfo}
+      poolAddress={price.address}
+      poolTokens={poolTokens}
+      totalPoolTokens={totalPoolTokens}
+      dtSymbol={dtSymbol}
+    />
+  ) : (
     <>
       <div className={styles.dataToken}>
         <PriceUnit price="1" symbol={dtSymbol} /> ={' '}
@@ -433,15 +458,16 @@ export default function Pool(): ReactElement {
       >
         <Token symbol="% swap fee" balance={swapFee} noIcon />
       </TokenList>
-      <Alert
-        title="Adding and removing liquidity is disabled"
-        text={
-          status === MigrationStatus.ALLOWED
-            ? 'Pool Shares are currently being locked. Adding and removing liquidity is disabled while the pool shares are being locked.'
-            : 'Adding and removing liquidity is currently disabled for all pools.'
-        }
-        state="info"
-      />
+
+      <div className={stylesActions.actions}>
+        <Button
+          size="small"
+          onClick={() => setShowRemove(true)}
+          disabled={!isAssetNetwork || !hasAddedLiquidity || isRemoveDisabled}
+        >
+          Remove Liquidity
+        </Button>
+      </div>
 
       {accountId && (
         <AssetActionHistoryTable title="Your Pool Transactions">
diff --git a/src/components/organisms/AssetActions/Pool/utils.ts b/src/components/organisms/AssetActions/Pool/utils.ts
new file mode 100644
index 000000000..68fe113e2
--- /dev/null
+++ b/src/components/organisms/AssetActions/Pool/utils.ts
@@ -0,0 +1,37 @@
+import { Ocean } from '@oceanprotocol/lib'
+
+import { isValidNumber } from './../../../../utils/numberValidations'
+import Decimal from 'decimal.js'
+
+Decimal.set({ toExpNeg: -18, precision: 18, rounding: 1 })
+
+export async function getMaxPercentRemove(
+  ocean: Ocean,
+  poolAddress: string,
+  poolTokens: string
+): Promise<string> {
+  const amountMaxOcean = await ocean.pool.getOceanMaxRemoveLiquidity(
+    poolAddress
+  )
+
+  const amountMaxPoolShares =
+    await ocean.pool.getPoolSharesRequiredToRemoveOcean(
+      poolAddress,
+      amountMaxOcean
+    )
+
+  let amountMaxPercent =
+    isValidNumber(amountMaxPoolShares) && isValidNumber(poolTokens)
+      ? new Decimal(amountMaxPoolShares)
+          .dividedBy(new Decimal(poolTokens))
+          .mul(100)
+          .floor()
+          .toString()
+      : '0'
+
+  if (Number(amountMaxPercent) > 100) {
+    amountMaxPercent = '100'
+  }
+
+  return amountMaxPercent
+}
diff --git a/src/components/organisms/AssetActions/Trade/Slippage.module.css b/src/components/organisms/AssetActions/Trade/Slippage.module.css
new file mode 100644
index 000000000..47041a7f2
--- /dev/null
+++ b/src/components/organisms/AssetActions/Trade/Slippage.module.css
@@ -0,0 +1,30 @@
+.slippage {
+  font-size: var(--font-size-small);
+  border-top: 1px solid var(--border-color);
+  margin-left: -2rem;
+  margin-right: -2rem;
+  padding: calc(var(--spacer) / 4) var(--spacer);
+  color: var(--color-secondary);
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: calc(var(--spacer) / 3);
+}
+
+.slippage strong {
+  font-weight: var(--font-weight-base);
+  text-align: right;
+}
+
+.title {
+  font-family: var(--font-family-base);
+  font-weight: var(--font-weight-base);
+  font-size: var(--font-size-mini);
+  text-align: center;
+  margin-bottom: calc(var(--spacer) / 4);
+  color: var(--color-secondary);
+}
+
+.slippage select {
+  width: fit-content;
+  display: inline-block;
+}
diff --git a/src/components/organisms/AssetActions/index.tsx b/src/components/organisms/AssetActions/index.tsx
index ef7f62cc7..e1eeaa9bb 100644
--- a/src/components/organisms/AssetActions/index.tsx
+++ b/src/components/organisms/AssetActions/index.tsx
@@ -135,7 +135,6 @@ export default function AssetActions(): ReactElement {
 
   return (
     <>
-      {price?.type === 'pool' && <Migration />}
       <Permission eventType="consume">
         <Tabs items={tabs} className={styles.actions} />
       </Permission>