script to find possible defunct pools

scripts/find-defunct-pools.ts

@@ -0,0 +1,53 @@
+import { Provider } from '@project-serum/anchor'
+import { Network } from '@invariant-labs/sdk/src/network'
+import { Market } from '@invariant-labs/sdk/src'
+import { Decimal, PoolStructure } from '@invariant-labs/sdk/lib/market'
+import { DECIMAL } from '@invariant-labs/sdk/lib/utils'
+import { DENOMINATOR } from '@invariant-labs/sdk'
+
+require('dotenv').config()
+console.log(process.cwd())
+
+const provider = Provider.local(
+  'https://mainnet.helius-rpc.com/?api-key=ef843b40-9876-4a02-a181-a1e6d3e61b4c'
+)
+
+const connection = provider.connection
+
+const main = async () => {
+  const market = await Market.build(Network.MAIN, provider.wallet, connection)
+
+  const allPools = await market.getAllPools()
+  const allTickmaps = Object.fromEntries(
+    (await market.program.account.tickmap.all()).map(x => [x.publicKey, x.account.bitmap])
+  )
+
+  const emptyPools: PoolStructure[] = []
+
+  for (const poolState of allPools) {
+    const tickmap: number[] = allTickmaps[poolState.tickmap.toString()]
+
+    const empty = !tickmap.some((tick: number) => tick !== 0)
+    if (empty) {
+      emptyPools.push(poolState)
+      console.log(
+        poolState.tokenX.toString(),
+        poolState.tokenY.toString(),
+        formatFee(poolState.fee),
+        poolState.tickSpacing.toString()
+      )
+    }
+  }
+
+  console.log(emptyPools.length)
+  console.log(allPools.length)
+}
+
+main()
+
+export const formatFee = (fee: Decimal) => {
+  const feeB = BigInt(fee.v.toString())
+  const feeDenominator = BigInt(DENOMINATOR)
+  let afterDot = (feeB % feeDenominator).toString()
+  return (feeB / feeDenominator).toString() + '.' + '0'.repeat(DECIMAL - afterDot.length) + afterDot
+}