hdev-703-xav-airdrop

README.md

@@ -52,3 +52,8 @@ Example:
 ```
 yarn hardhat v1statistics --curveaddress 0x64DCbDeb83e39f152B7Faf83E5E5673faCA0D42A --name XSGD --decimal 6  --network mainnet
 ```
+
+### Using XAV Airdrop 
+```
+yarn hardhat xav-airdrop --network mainnet
+```

hardhat.config.ts

@@ -9,6 +9,7 @@ import '@nomiclabs/hardhat-etherscan'
 import 'hardhat-typechain'
 import { fetchV0Stats } from './scripts/protocol-statistics/fetch-v0-stats'
 import { fetchV1Stats } from './scripts/protocol-statistics/fetch-v1-stats'
+import { generateAirdroplist } from './scripts/airdrop-xav/generate-airdroplist'
 
 // You need to export an object to set up your config
 // Go to https://hardhat.org/config/ to learn more
@@ -31,6 +32,10 @@ task('v0statistics', 'fetch v0 statistics', async (args, hre) => {
   await fetchV0Stats(hre)
 })
 
+task('xav-airdrop', 'generate airdrop addresses', async (args, hre) => {
+  await generateAirdroplist(hre)
+})
+
 const config: HardhatUserConfig = {
   solidity: '0.6.12',
   networks: {

scripts/airdrop-xav/generate-airdroplist.ts

@@ -0,0 +1,82 @@
+require('dotenv').config()
+
+// import { ethers } from 'hardhat'
+import { formatEther, formatUnits, parseEther } from 'ethers/lib/utils'
+import { ExportToCsv } from 'export-to-csv'
+import { internalRnbwHolders } from '../constants/abi/rnbw'
+import { HardhatRuntimeEnvironment } from 'hardhat/types'
+import * as fs from 'fs'
+
+interface AirdropList {
+    address: string
+    balance: string
+}
+
+export const generateAirdroplist = async (hre: HardhatRuntimeEnvironment) => {
+    // 0 - Setup
+    const options = {
+        fieldSeparator: ',',
+        quoteStrings: '"',
+        decimalSeparator: '.',
+        showLabels: true,
+        showTitle: true,
+        title: `Airdrop List`,
+        useTextFile: false,
+        useBom: true,
+        useKeysAsHeaders: true
+    }
+
+    const csvExporter = new ExportToCsv(options)
+    const airdropList: AirdropList[] = []
+    const addresses: string[] = []
+    const snapshotBlockNumber = 15281097 
+
+    // 1 - get rnbwContract contract instance
+    const rnbwContract = await hre.ethers.getContractAt(
+        'HaloHalo',
+        '0x47BE779De87de6580d0548cde80710a93c502405'
+    )
+
+    // 2 - query all Transfer events from deployment to snapshot block
+    const rnbwContractEventFilter = await rnbwContract.filters.Transfer()
+
+    const rnbwContractEvents = await rnbwContract.queryFilter(
+        rnbwContractEventFilter,
+        12570796, // deployment block
+        snapshotBlockNumber
+    )
+
+    // 3 - store Events[] to an array to prevent loss
+    const rnbwContractEventsArray = rnbwContractEvents
+
+    // 4 - store all unique addresses from transfer events in an array
+    for (let key in rnbwContractEventsArray) {
+        const log = rnbwContractEventsArray[key]
+        if (addresses.indexOf(log.args?.to) < 0
+            && log.args?.to != '0x0000000000000000000000000000000000000000'
+            && internalRnbwHolders.indexOf(log.args?.to) < 0) {
+            addresses.push(log.args?.to)
+        }
+        if (addresses.indexOf(log.args?.from) < 0
+            && log.args?.from != '0x0000000000000000000000000000000000000000'
+            && internalRnbwHolders.indexOf(log.args?.from) < 0) {
+            addresses.push(log.args?.from)
+        }
+    }
+
+    // 5 - get the RNBW balance of addresses at snapshot block
+    for (let key in addresses) {
+        const bal = await rnbwContract.balanceOf(addresses[key], { blockTag: snapshotBlockNumber })
+        if (bal > 0) {
+            airdropList.push({
+                address: addresses[key],
+                balance: formatEther(bal)
+            })
+            console.log(addresses[key], formatEther(bal))
+        }
+    }
+
+    // 5 - output csv
+    const protocolStatsCSV = csvExporter.generateCsv(airdropList, true)
+    fs.writeFileSync(`v1Protocol${name}.csv`, protocolStatsCSV)
+}

scripts/constants/abi/rnbw.ts

@@ -0,0 +1,10 @@
+export const internalRnbwHolders = [ 
+    '0x4fbc1dffd80f197cf99faeda8f7bcae0ebea4d81', // xRNBW Primary Bridge
+    '0xa3a7b6f88361f48403514059f1f16c8e78d60eec', // xRNBW Arbitrum Bridge (external contract)
+    '0xd10e226f85dfb53aa2f9f3d297e521e1ee4f1bf7', // xRNBW Multichain Bridge  (external contract)
+    '0x9cff4a10b6fb163a4df369aafed9d95838222ca6', // AMM Rewards 1.1
+    '0x1af00782f74ddc4c7fcefe8752113084febcda45', // AMM Rewards 1.0 
+    '0x5fcd66bce7fdccbaa7aeeb39537820bd953ef7e2', // AMM Rewards 0  
+    '0xd1a8ab10725779246d9d48e422f7fc3313d133f2', // Uniswap V2: xRNBW
+    '0x7eaE370E6a76407C3955A2f0BBCA853C38e6454E', // contract ops multisig
+]