feat(pools): fetch pool tick data from uniswap v3 subgraph (Uniswap#1932

)

* add hooks to fecth ticks data and active liquidity

* cleanup

* add polling interval

* moved ms.macro types to dev deps

* generate graphql schema on build

* added @types/ms.macro

* use clone deep

codegen.yml

@@ -1,3 +1,4 @@
+overrideExisting: true
 schema: 'https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v3'
 documents: 'src/**/!(*.d).{ts,tsx}'
 generates:

package.json

@@ -24,8 +24,10 @@
     "@types/lingui__core": "^2.7.1",
     "@types/lingui__macro": "^2.7.4",
     "@types/lingui__react": "^2.8.3",
+    "@types/lodash.clonedeep": "^4.5.6",
     "@types/lodash.flatmap": "^4.5.6",
     "@types/luxon": "^1.24.4",
+    "@types/ms.macro": "^2.0.0",
     "@types/multicodec": "^1.0.0",
     "@types/node": "^13.13.5",
     "@types/qs": "^6.9.2",
@@ -74,8 +76,10 @@
     "graphql-request": "^3.4.0",
     "inter-ui": "^3.13.1",
     "lightweight-charts": "^3.3.0",
+    "lodash.clonedeep": "^4.5.0",
     "lodash.flatmap": "^4.5.0",
     "luxon": "^1.25.0",
+    "ms.macro": "^2.0.0",
     "multicodec": "^3.0.1",
     "multihashes": "^4.0.2",
     "node-vibrant": "^3.1.5",

src/hooks/usePoolTickData.ts

@@ -0,0 +1,114 @@
+import { Currency } from '@uniswap/sdk-core'
+import { FeeAmount, Pool, tickToPrice, TICK_SPACINGS } from '@uniswap/v3-sdk'
+import JSBI from 'jsbi'
+import { PoolState, usePool } from './usePools'
+import { useEffect, useMemo, useState } from 'react'
+import computeSurroundingTicks from 'utils/computeSurroundingTicks'
+import { useAllV3TicksQuery } from 'state/data/generated'
+import { skipToken } from '@reduxjs/toolkit/query/react'
+import ms from 'ms.macro'
+import cloneDeep from 'lodash/cloneDeep'
+
+const PRICE_FIXED_DIGITS = 8
+
+// Tick with fields parsed to JSBIs, and active liquidity computed.
+export interface TickProcessed {
+  tickIdx: number
+  liquidityActive: JSBI
+  liquidityNet: JSBI
+  price0: string
+}
+
+const getActiveTick = (tickCurrent: number | undefined, feeAmount: FeeAmount | undefined) =>
+  tickCurrent && feeAmount ? Math.floor(tickCurrent / TICK_SPACINGS[feeAmount]) * TICK_SPACINGS[feeAmount] : undefined
+
+// Fetches all ticks for a given pool
+export function useAllV3Ticks(
+  currencyA: Currency | undefined,
+  currencyB: Currency | undefined,
+  feeAmount: FeeAmount | undefined
+) {
+  const poolAddress =
+    currencyA && currencyB && feeAmount ? Pool.getAddress(currencyA?.wrapped, currencyB?.wrapped, feeAmount) : undefined
+
+  //TODO(judo): determine if pagination is necessary for this query
+  const { isLoading, isError, data } = useAllV3TicksQuery(
+    poolAddress ? { poolAddress: poolAddress?.toLowerCase(), skip: 0 } : skipToken,
+    {
+      pollingInterval: ms`2m`,
+    }
+  )
+
+  return {
+    isLoading,
+    isError,
+    ticks: data?.ticks,
+  }
+}
+
+export function usePoolActiveLiquidity(
+  currencyA: Currency | undefined,
+  currencyB: Currency | undefined,
+  feeAmount: FeeAmount | undefined
+): {
+  isLoading: boolean
+  isError: boolean
+  activeTick: number | undefined
+  data: TickProcessed[]
+} {
+  const [ticksProcessed, setTicksProcessed] = useState<TickProcessed[]>([])
+
+  const pool = usePool(currencyA, currencyB, feeAmount)
+
+  const { isLoading, isError, ticks } = useAllV3Ticks(currencyA, currencyB, feeAmount)
+
+  // Find nearest valid tick for pool in case tick is not initialized.
+  const activeTick = useMemo(() => getActiveTick(pool[1]?.tickCurrent, feeAmount), [pool, feeAmount])
+
+  useEffect(() => {
+    if (!currencyA || !currencyB || !activeTick || pool[0] !== PoolState.EXISTS || !ticks || ticks.length === 0) {
+      setTicksProcessed([])
+      return
+    }
+
+    const token0 = currencyA?.wrapped
+    const token1 = currencyB?.wrapped
+
+    const sortedTickData = cloneDeep(ticks)
+    sortedTickData.sort((a, b) => a.tickIdx - b.tickIdx)
+
+    // find where the active tick would be to partition the array
+    // if the active tick is initialized, the pivot will be an element
+    // if not, take the previous tick as pivot
+    const pivot = sortedTickData.findIndex(({ tickIdx }) => tickIdx > activeTick) - 1
+
+    if (pivot < 0) {
+      // consider setting a local error
+      console.error('TickData pivot not found')
+      return
+    }
+
+    const activeTickProcessed: TickProcessed = {
+      liquidityActive: JSBI.BigInt(pool[1]?.liquidity ?? 0),
+      tickIdx: activeTick,
+      liquidityNet:
+        sortedTickData[pivot].tickIdx === activeTick ? JSBI.BigInt(sortedTickData[pivot].liquidityNet) : JSBI.BigInt(0),
+      price0: tickToPrice(token0, token1, activeTick).toFixed(PRICE_FIXED_DIGITS),
+    }
+
+    const subsequentTicks = computeSurroundingTicks(token0, token1, activeTickProcessed, sortedTickData, pivot, true)
+
+    const previousTicks = computeSurroundingTicks(token0, token1, activeTickProcessed, sortedTickData, pivot, false)
+
+    const newTicksProcessed = previousTicks.concat(activeTickProcessed).concat(subsequentTicks)
+
+    setTicksProcessed(newTicksProcessed)
+  }, [currencyA, currencyB, activeTick, pool, ticks])
+
+  return {
+    isLoading: isLoading || pool[0] === PoolState.LOADING,
+    isError: isError || pool[0] === PoolState.INVALID,
+    activeTick,
+    data: ticksProcessed,
+  }
+}

src/state/data/slice.ts

@@ -49,6 +49,24 @@ export const api = createApi({
   reducerPath: 'dataApi',
   baseQuery: graphqlRequestBaseQuery(),
   endpoints: (builder) => ({
+    getAllV3Ticks: builder.query({
+      query: ({ poolAddress, skip = 0 }) => ({
+        document: gql`
+          query allV3Ticks($poolAddress: String!, $skip: Int!) {
+            ticks(first: 1000, skip: $skip, where: { poolAddress: $poolAddress }) {
+              tickIdx
+              liquidityNet
+              price0
+              price1
+            }
+          }
+        `,
+        variables: {
+          poolAddress,
+          skip,
+        },
+      }),
+    }),
     getFeeTierDistribution: builder.query({
       query: ({ token0, token1 }) => ({
         document: gql`

src/utils/computeSurroundingTicks.ts

@@ -0,0 +1,59 @@
+import { Token } from '@uniswap/sdk-core'
+import { tickToPrice } from '@uniswap/v3-sdk'
+import { TickProcessed } from 'hooks/usePoolTickData'
+import JSBI from 'jsbi'
+import { AllV3TicksQuery } from 'state/data/generated'
+
+const PRICE_FIXED_DIGITS = 8
+
+// Computes the numSurroundingTicks above or below the active tick.
+export default function computeSurroundingTicks(
+  token0: Token,
+  token1: Token,
+  activeTickProcessed: TickProcessed,
+  sortedTickData: AllV3TicksQuery['ticks'],
+  pivot: number,
+  ascending: boolean
+): TickProcessed[] {
+  let previousTickProcessed: TickProcessed = {
+    ...activeTickProcessed,
+  }
+  // Iterate outwards (either up or down depending on direction) from the active tick,
+  // building active liquidity for every tick.
+  let processedTicks: TickProcessed[] = []
+  for (let i = pivot + (ascending ? 1 : -1); ascending ? i < sortedTickData.length : i >= 0; ascending ? i++ : i--) {
+    const tickIdx = Number(sortedTickData[i].tickIdx)
+    const currentTickProcessed: TickProcessed = {
+      liquidityActive: previousTickProcessed.liquidityActive,
+      tickIdx,
+      liquidityNet: JSBI.BigInt(sortedTickData[i].liquidityNet),
+      price0: tickToPrice(token0, token1, tickIdx).toFixed(PRICE_FIXED_DIGITS),
+    }
+
+    // Update the active liquidity.
+    // If we are iterating ascending and we found an initialized tick we immediately apply
+    // it to the current processed tick we are building.
+    // If we are iterating descending, we don't want to apply the net liquidity until the following tick.
+    if (ascending) {
+      currentTickProcessed.liquidityActive = JSBI.add(
+        previousTickProcessed.liquidityActive,
+        JSBI.BigInt(sortedTickData[i].liquidityNet)
+      )
+    } else if (!ascending && JSBI.notEqual(previousTickProcessed.liquidityNet, JSBI.BigInt(0))) {
+      // We are iterating descending, so look at the previous tick and apply any net liquidity.
+      currentTickProcessed.liquidityActive = JSBI.subtract(
+        previousTickProcessed.liquidityActive,
+        previousTickProcessed.liquidityNet
+      )
+    }
+
+    processedTicks.push(currentTickProcessed)
+    previousTickProcessed = currentTickProcessed
+  }
+
+  if (!ascending) {
+    processedTicks = processedTicks.reverse()
+  }
+
+  return processedTicks
+}

yarn.lock

@@ -3710,6 +3710,13 @@
     "@types/lingui__core" "*"
     "@types/react" "*"
 
+"@types/lodash.clonedeep@^4.5.6":
+  version "4.5.6"
+  resolved "https://registry.yarnpkg.com/@types/lodash.clonedeep/-/lodash.clonedeep-4.5.6.tgz#3b6c40a0affe0799a2ce823b440a6cf33571d32b"
+  integrity sha512-cE1jYr2dEg1wBImvXlNtp0xDoS79rfEdGozQVgliDZj1uERH4k+rmEMTudP9b4VQ8O6nRb5gPqft0QzEQGMQgA==
+  dependencies:
+    "@types/lodash" "*"
+
 "@types/lodash.flatmap@^4.5.6":
   version "4.5.6"
   resolved "https://registry.npmjs.org/@types/lodash.flatmap/-/lodash.flatmap-4.5.6.tgz"
@@ -3732,6 +3739,11 @@
   resolved "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.4.tgz"
   integrity sha512-1z8k4wzFnNjVK/tlxvrWuK5WMt6mydWWP7+zvH5eFep4oj+UkrfiJTRtjCeBXNpwaA/FYqqtb4/QS4ianFpIRA==
 
+"@types/ms.macro@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@types/ms.macro/-/ms.macro-2.0.0.tgz#a27e14d8e409fc973715701465e18be5edcfd4c0"
+  integrity sha512-xT4rTPFfZv2KZa0PLgB6e4RC5SuIr+8NDq2iZ4YxNtbByZRR98qbnS4WyNCQZIC5Jwn55AFok2CEqEb95w/CQQ==
+
 "@types/multicodec@^1.0.0":
   version "1.0.0"
   resolved "https://registry.npmjs.org/@types/multicodec/-/multicodec-1.0.0.tgz"
@@ -12458,7 +12470,7 @@ lodash.camelcase@^4.3.0:
 
 lodash.clonedeep@^4.5.0:
   version "4.5.0"
-  resolved "https://registry.npmjs.org/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz"
+  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
   integrity sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8=
 
 lodash.debounce@^4.0.8:
@@ -13069,6 +13081,14 @@ move-concurrently@^1.0.1:
     rimraf "^2.5.4"
     run-queue "^1.0.3"
 
+ms.macro@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms.macro/-/ms.macro-2.0.0.tgz#ff72d230cde33797d30b9b61eb57d4940dddd66f"
+  integrity sha512-vkb83Sa4BZ2ynF/C1x5D8ofExja36mYW6OB7JNh6Ek0NSw3Oj4moM0nN69rfbm28aHlON52E+dTEgW+3up3x1g==
+  dependencies:
+    babel-plugin-macros "^2.0.0"
+    ms "^2.0.0"
+
 [email protected]:
   version "2.0.0"
   resolved "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz"
@@ -13084,7 +13104,7 @@ [email protected]:
   resolved "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
-ms@^2.1.1:
+ms@^2.0.0, ms@^2.1.1:
   version "2.1.3"
   resolved "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz"
   integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==