1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
import fs from 'fs'
import { task } from 'hardhat/config'
import { parse } from 'csv-parse'
import { BigNumber } from 'ethers'
task('create-airdrop-json')
.addParam('inFile', 'Location of the airdrop CSV')
.addParam('outFile', 'Where to write the outputted JSON')
.setAction(async (args, hre) => {
const out: { [k: string]: BigNumber } = {}
let total = BigNumber.from(0)
console.log('Reading...')
const parser = fs.createReadStream(args.inFile).pipe(parse())
let isHeader = true
for await (const record of parser) {
if (isHeader) {
isHeader = false
continue
}
const addr = record[0]
const amount = record[record.length - 1]
total = total.add(amount)
out[addr] = amount
}
console.log('Writing...')
fs.writeFileSync(args.outFile, JSON.stringify(out, null, ' '))
console.log(
`Total airdrop tokens: ${hre.ethers.utils.formatEther(
total.toString()
)} (${total.toString()})`
)
console.log(`Total airdrop addrs: ${Object.keys(out).length}`)
console.log('Verifying...')
let verTotal = BigNumber.from(0)
const data = JSON.parse(fs.readFileSync(args.outFile).toString('utf-8'))
for (const [addr, amount] of Object.entries(data)) {
if (out[addr] !== amount) {
throw new Error('Value mismatch!')
}
verTotal = verTotal.add(amount as any)
}
if (!total.eq(verTotal)) {
throw new Error('Total mismatch!')
}
console.log('OK')
})