Merge pull request #1220 from airswap/develop

Publish metadata package to NPM

source/pool/package.json

@@ -24,13 +24,15 @@
     "deploy": "hardhat run ./scripts/deploy.js",
     "verify": "hardhat run ./scripts/verify.js",
     "ownership": "hardhat run ./scripts/ownership.js",
-    "migrate": "hardhat run ./scripts/migrate.js"
+    "migrate": "hardhat run ./scripts/migrate.js",
+    "balances": "hardhat run ./scripts/balances.js"
   },
   "dependencies": {
     "@openzeppelin/contracts": "^4.8.3"
   },
   "devDependencies": {
     "@airswap/constants": "^4.1.2",
+    "@airswap/metadata": "^4.1.6",
     "@airswap/types": "^4.1.1",
     "@airswap/utils": "^4.1.5",
     "prompt-confirm": "^2.0.4"

source/pool/scripts/balances.js

@@ -0,0 +1,71 @@
+const { ethers } = require('hardhat')
+const { getKnownTokens } = require('@airswap/metadata')
+const { chainNames, ChainIds } = require('@airswap/constants')
+const BalanceChecker = require('@airswap/balances/build/contracts/BalanceChecker.sol/BalanceChecker.json')
+const balancesDeploys = require('@airswap/balances/deploys.js')
+const poolDeploys = require('../deploys.js')
+
+async function main() {
+  const [account] = await ethers.getSigners()
+  const chainId = await account.getChainId()
+  if (chainId === ChainIds.HARDHAT) {
+    console.log('Value for --network flag is required')
+    return
+  }
+  console.log('Account:', account.address)
+  console.log('Network:', chainNames[chainId].toUpperCase())
+  console.log('\nPool:', poolDeploys[chainId])
+
+  if (!balancesDeploys[chainId]) {
+    throw new Error('Unable to check balances on this chain.')
+  }
+
+  const tokens = (await getKnownTokens(Number(chainId))).tokens
+
+  let count = tokens.length
+  const addresses = []
+  while (count--) {
+    if (ethers.utils.isAddress(tokens[count].address)) {
+      addresses.push(tokens[count].address.toLowerCase())
+    }
+  }
+
+  console.log(`\nScanning non-zero balances for ${tokens.length} tokens...\n`)
+
+  const balancesContract = new ethers.Contract(
+    balancesDeploys[chainId],
+    BalanceChecker.abi,
+    account.provider
+  )
+
+  const chunk = 750
+  let balances = []
+  let index = 0
+  count = addresses.length
+  while (index < count) {
+    balances = balances.concat(
+      await balancesContract.walletBalances(
+        poolDeploys[chainId],
+        addresses.slice(index, index + chunk)
+      )
+    )
+    index += chunk
+  }
+
+  const result = []
+  for (let i = 0; i < balances.length; i++) {
+    if (!balances[i].eq(0)) {
+      result.push(addresses[i])
+    }
+  }
+
+  console.log('Non-zero balances in', result.length, 'tokens:\n')
+  console.log(JSON.stringify(result))
+}
+
+main()
+  .then(() => process.exit(0))
+  .catch((error) => {
+    console.error(error)
+    process.exit(1)
+  })

source/pool/scripts/migrate.js

@@ -8,8 +8,8 @@ const { abi } = require('./migrate-abis/4-1-1.js')
 const deploys = require('../deploys.js')
 
 const CONFIRMATIONS = 2
-const PREVIOUS_POOL = '0xa55CDCe4F6300D57831b2792c45E55a899D8e2a4'
-const NEW_POOL = '0xEEcD248D977Fd4D392915b4AdeF8154BA3aE9c02'
+const PREVIOUS_POOL = '0xEEcD248D977Fd4D392915b4AdeF8154BA3aE9c02'
+const NEW_POOL = '0xbbcec987E4C189FCbAB0a2534c77b3ba89229F11'
 
 async function main() {
   const [account] = await ethers.getSigners()

tools/metadata/index.ts

@@ -89,6 +89,15 @@ export async function getKnownTokens(
       }
     }
   }
+  const hasToken: any = {}
+  let length = tokens.length
+  while (length--) {
+    if (hasToken[tokens[length].address.toLowerCase()]) {
+      tokens.splice(length, 1)
+    } else {
+      hasToken[tokens[length].address.toLowerCase()] = 1
+    }
+  }
   return { tokens, errors }
 }
 

tools/metadata/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@airswap/metadata",
-  "version": "4.1.5",
+  "version": "4.1.6",
   "description": "AirSwap: Token Metadata for Developers",
   "repository": {
     "type": "git",