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utils.js
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utils.js
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import { noContractAlert } from '../../utils/alerts'
import { attachToSpecificCrowdsaleContract } from '../../utils/blockchainHelpers'
import { contractStore, crowdsalePageStore, tokenStore, web3Store, crowdsaleStore } from '../../stores'
import { toJS } from 'mobx'
import { removeTrailingNUL, toBigNumber } from '../../utils/utils'
import { BigNumber } from 'bignumber.js'
import logdown from 'logdown'
const logger = logdown('TW:crowdsale:utils')
export let getTokenData = async (initCrowdsaleContract, execID, account) => {
if (!initCrowdsaleContract) {
noContractAlert()
return Promise.reject('no contract')
}
try {
const { name, symbol, decimals, totalSupply, balanceOf } = initCrowdsaleContract.methods
const { addr } = contractStore.abstractStorage
const { toAscii } = web3Store.web3.utils
let params = []
if (execID) {
params.push(addr, execID)
}
let token_name = await name(...params).call()
let token_ticker = await symbol(...params).call()
const token_decimals = await decimals(...params).call()
const token_balance = await balanceOf(...params, account).call()
let token_total_supply = await totalSupply(...params).call()
if (execID) {
token_name = removeTrailingNUL(toAscii(token_name))
token_ticker = removeTrailingNUL(toAscii(token_ticker))
}
tokenStore.setProperty('name', token_name)
tokenStore.setProperty('ticker', token_ticker)
tokenStore.setProperty('decimals', token_decimals)
logger.log('token name:', token_name)
logger.log('token ticker:', token_ticker)
logger.log('token decimals: ' + token_decimals)
if (crowdsaleStore.isMintedCappedCrowdsale) {
token_total_supply = toBigNumber(token_total_supply)
.times(`1e${token_decimals}`)
.toFixed()
}
tokenStore.setProperty('supply', token_total_supply)
logger.log('token supply:', token_total_supply)
const tokenAmountOf = crowdsalePageStore.tokenAmountOf || 0
crowdsalePageStore.setProperty(
'tokenAmountOf',
toBigNumber(tokenAmountOf)
.plus(token_balance)
.toFixed()
)
logger.log('balanceOf:', token_balance)
logger.log('tokenAmountOf:', tokenAmountOf)
} catch (err) {
return Promise.reject(err)
}
}
const chooseRateForDutchAuction = ({ current_rate, start_rate, end_rate, time_remaining }) => {
return toBigNumber(current_rate).gt(0) ? current_rate : toBigNumber(time_remaining).gt(0) ? start_rate : end_rate
}
export let getCrowdsaleData = async (initCrowdsaleContract, execID) => {
if (!initCrowdsaleContract) {
noContractAlert()
return Promise.reject('no contract')
}
try {
const { addr } = contractStore.abstractStorage
const {
getCrowdsaleInfo,
getTokensSold,
getCrowdsaleUniqueBuyers,
getCurrentTierInfo,
getCrowdsaleMaxRaise,
getCrowdsaleStatus,
isCrowdsaleFull
} = initCrowdsaleContract.methods
let params = []
if (execID) {
params.push(addr, execID)
}
const crowdsaleInfo = await getCrowdsaleInfo(...params).call()
if (crowdsaleInfo && !crowdsaleInfo.hasOwnProperty('wei_raised')) {
crowdsaleInfo.wei_raised = crowdsaleInfo[0]
}
if (crowdsaleInfo && !crowdsaleInfo.hasOwnProperty('team_wallet')) {
crowdsaleInfo.team_wallet = crowdsaleInfo[1]
}
if (crowdsaleStore.isMintedCappedCrowdsale) {
if (crowdsaleInfo && !crowdsaleInfo.hasOwnProperty('is_initialized')) {
crowdsaleInfo.is_initialized = crowdsaleInfo[2]
}
if (crowdsaleInfo && !crowdsaleInfo.hasOwnProperty('is_finalized')) {
crowdsaleInfo.is_finalized = crowdsaleInfo[3]
}
} else if (crowdsaleStore.isDutchAuction) {
if (crowdsaleInfo && !crowdsaleInfo.hasOwnProperty('is_initialized')) {
crowdsaleInfo.is_initialized = crowdsaleInfo[3]
}
if (crowdsaleInfo && !crowdsaleInfo.hasOwnProperty('is_finalized')) {
crowdsaleInfo.is_finalized = crowdsaleInfo[4]
}
}
const wei_raised = crowdsaleInfo.wei_raised
let tokensSold = await getTokensSold(...params).call()
console.log('tokensSold:', tokensSold)
const contributors = await getCrowdsaleUniqueBuyers(...params).call()
const { fromWei } = web3Store.web3.utils
crowdsalePageStore.setProperty('weiRaised', wei_raised)
crowdsalePageStore.setProperty('ethRaised', fromWei(wei_raised, 'ether'))
crowdsalePageStore.setProperty('tokensSold', tokensSold)
if (contributors) crowdsalePageStore.setProperty('contributors', contributors)
if (crowdsaleStore.isMintedCappedCrowdsale) {
const currentTierInfo = await getCurrentTierInfo(...params).call()
const tier_price = currentTierInfo.tier_price || currentTierInfo[4]
const crowdsaleMaxRaise = await getCrowdsaleMaxRaise(...params).call()
const total_sell_cap = crowdsaleMaxRaise.total_sell_cap || crowdsaleMaxRaise[1]
const wei_raise_cap = crowdsaleMaxRaise.wei_raise_cap || crowdsaleMaxRaise[0]
crowdsalePageStore.setProperty('rate', tier_price) //should be one token in wei
crowdsalePageStore.setProperty('maximumSellableTokens', total_sell_cap)
crowdsalePageStore.setProperty('maximumSellableTokensInWei', wei_raise_cap)
}
if (crowdsaleStore.isDutchAuction) {
const crowdsaleStatus = await getCrowdsaleStatus(...params).call()
crowdsaleStatus.start_rate = crowdsaleStatus.start_rate || crowdsaleStatus[0]
crowdsaleStatus.end_rate = crowdsaleStatus.end_rate || crowdsaleStatus[1]
crowdsaleStatus.current_rate = crowdsaleStatus.current_rate || crowdsaleStatus[2]
crowdsaleStatus.time_remaining = crowdsaleStatus.time_remaining || crowdsaleStatus[4]
const tokens_remaining = crowdsaleStatus.tokens_remaining || crowdsaleStatus[5]
const _isCrowdsaleFull = await isCrowdsaleFull(...params).call()
const max_sellable = _isCrowdsaleFull.max_sellable || _isCrowdsaleFull[1]
const current_rate = chooseRateForDutchAuction(crowdsaleStatus)
crowdsalePageStore.setProperty('rate', current_rate) //should be one token in wei
crowdsalePageStore.setProperty('maximumSellableTokens', max_sellable)
const tokenRemainingBN = toBigNumber(tokens_remaining)
const curRateBN = toBigNumber(current_rate) //one token in wei
const remainingWEI = curRateBN.gt(0)
? tokenRemainingBN
.div(`1e${tokenStore.decimals}`)
.multipliedBy(curRateBN)
.integerValue(BigNumber.ROUND_CEIL)
: 0
logger.log('remainingWEI:', remainingWEI.toFixed())
const maximumSellableTokensInWei = toBigNumber(wei_raised)
.plus(remainingWEI)
.toFixed()
const maximumSellableTokensInETH = fromWei(maximumSellableTokensInWei, 'ether')
logger.log('maximumSellableTokensInETH:', maximumSellableTokensInETH)
logger.log('maximumSellableTokensInWei:', maximumSellableTokensInWei)
crowdsalePageStore.setProperty('maximumSellableTokensInWei', maximumSellableTokensInWei)
}
} catch (err) {
return Promise.reject(err)
}
}
export function initializeAccumulativeData() {
crowdsalePageStore.setProperty('tokenAmountOf', 0)
return Promise.resolve()
}
export let getCrowdsaleTargetDates = (initCrowdsaleContract, execID) => {
return new Promise((resolve, reject) => {
if (!initCrowdsaleContract) {
noContractAlert()
reject('no contract')
}
logger.log(initCrowdsaleContract)
const registryStorageObj = toJS(contractStore.abstractStorage)
const { addr } = registryStorageObj
const { methods } = initCrowdsaleContract
let params = []
if (execID) {
params.push(addr, execID)
}
if (crowdsaleStore.isMintedCappedCrowdsale) {
return getTiersLength()
.then(tiersLength => {
logger.log('tiersLength:', tiersLength)
let getTiersStartAndEndDates = []
for (let ind = 0; ind < tiersLength; ind++) {
let getTierStartAndEndDates = methods.getTierStartAndEndDates(...params, ind).call()
getTiersStartAndEndDates.push(getTierStartAndEndDates)
}
return Promise.all(getTiersStartAndEndDates)
})
.then(tiersStartAndEndDates => {
logger.log('tiersStartAndEndDates:', tiersStartAndEndDates)
let crowdsaleStartDate = 0
let crowdsaleEndDate = 0
tiersStartAndEndDates.forEach(tierStartAndEndDates => {
const tier_start = tierStartAndEndDates.tier_start || tierStartAndEndDates[0]
const tier_end = tierStartAndEndDates.tier_end || tierStartAndEndDates[1]
const tierDates = setTierDates(tier_start, tier_end)
crowdsaleStartDate = crowdsaleStartDate
? Math.min(crowdsaleStartDate, tierDates.startsAtMilliseconds)
: tierDates.startsAtMilliseconds
crowdsaleEndDate = Math.max(crowdsaleEndDate, tierDates.endsAtMilliseconds)
})
fillCrowdsalePageStoreDates(crowdsaleStartDate, crowdsaleEndDate)
resolve()
})
.catch(reject)
} else if (crowdsaleStore.isDutchAuction) {
methods
.getCrowdsaleStartAndEndTimes(...params)
.call()
.then(crowdsaleStartAndEndTimes => {
crowdsaleStartAndEndTimes.start_time = crowdsaleStartAndEndTimes.start_time || crowdsaleStartAndEndTimes[0]
crowdsaleStartAndEndTimes.end_time = crowdsaleStartAndEndTimes.end_time || crowdsaleStartAndEndTimes[1]
const tierDates = setTierDates(crowdsaleStartAndEndTimes.start_time, crowdsaleStartAndEndTimes.end_time)
fillCrowdsalePageStoreDates(tierDates.startsAtMilliseconds, tierDates.endsAtMilliseconds)
resolve()
})
.catch(reject)
} else {
reject('no strategy available')
}
})
}
let setTierDates = (startTime, endTime) => {
const startsAtMilliseconds = startTime * 1000
const endsAtMilliseconds = endTime * 1000
crowdsalePageStore.addTier({
startDate: startsAtMilliseconds,
endDate: endsAtMilliseconds
})
return {
startsAtMilliseconds,
endsAtMilliseconds
}
}
let fillCrowdsalePageStoreDates = (startsAtMilliseconds, endsAtMilliseconds) => {
if (!crowdsalePageStore.startDate || crowdsalePageStore.startDate > startsAtMilliseconds)
crowdsalePageStore.startDate = startsAtMilliseconds
logger.log('startDate:' + startsAtMilliseconds)
if (!crowdsalePageStore.endDate || crowdsalePageStore.endDate < endsAtMilliseconds)
crowdsalePageStore.setProperty('endDate', endsAtMilliseconds)
logger.log('endDate:', endsAtMilliseconds)
}
export const isFinalized = async ({ methods }, crowdsaleExecID) => {
const { addr } = contractStore.abstractStorage
let params = []
if (crowdsaleExecID) {
params.push(addr, crowdsaleExecID)
}
const { is_finalized } = await methods.getCrowdsaleInfo(...params).call()
return is_finalized
}
export const getTiersLength = async () => {
if (crowdsaleStore.isDutchAuction) return 1
const { abstractStorage, crowdsale } = contractStore
if (crowdsaleStore.isMintedCappedCrowdsale) {
let targetContractName
if (crowdsale.execID) {
targetContractName = `idx${crowdsaleStore.contractTargetSuffix}`
} else {
targetContractName = crowdsaleStore.proxyName
}
const { methods } = await attachToSpecificCrowdsaleContract(targetContractName)
const { getCrowdsaleTierList } = methods
const { addr } = toJS(abstractStorage)
let params = []
if (crowdsale.execID) {
params.push(addr, crowdsale.execID)
}
const tiers = await getCrowdsaleTierList(...params).call()
return tiers.length
}
return Promise.reject(0)
}
export const getContractStoreProperty = (contract, property) => {
const text = contractStore && contractStore[contract] && contractStore[contract][property]
return text === undefined ? '' : text
}
export const getUserMaxLimits = async (addr, execID, methods, account) => {
let params = []
if (execID) {
params.push(addr, execID)
}
if (crowdsaleStore.isMintedCappedCrowdsale) {
const { getCurrentTierInfo, getWhitelistStatus, decimals } = methods
const currentTierInfo = await getCurrentTierInfo(...params).call()
const is_whitelisted = currentTierInfo.is_whitelisted || currentTierInfo[7]
const tier_tokens_remaining = currentTierInfo.tier_tokens_remaining || currentTierInfo[3]
const tier_price = currentTierInfo.tier_price || currentTierInfo[4]
const tier_index = currentTierInfo.tier_index || currentTierInfo[1]
const token_decimals = await decimals(...params).call()
const currentRate = toBigNumber(tier_price).times(`1e-${token_decimals}`)
const tierTokensRemaining = toBigNumber(tier_tokens_remaining).times(currentRate)
if (!is_whitelisted) return tierTokensRemaining
const whitelistStatus = await getWhitelistStatus(...params, tier_index, account).call()
const max_tokens_remaining = whitelistStatus.max_tokens_remaining || whitelistStatus[1]
const maxTokensRemaining = toBigNumber(max_tokens_remaining).times(currentRate)
return tierTokensRemaining.lt(maxTokensRemaining) ? tierTokensRemaining : maxTokensRemaining
} else if (crowdsaleStore.isDutchAuction) {
const { getCrowdsaleStatus, getWhitelistStatus, decimals } = methods
const crowdsaleStatus = await getCrowdsaleStatus(...params).call()
const is_whitelisted = crowdsaleStatus.is_whitelisted || crowdsaleStatus[6]
const current_rate = crowdsaleStatus.current_rate || crowdsaleStatus[2]
const tokens_remaining = crowdsaleStatus.tokens_remaining || crowdsaleStatus[5]
const token_decimals = await decimals(...params).call()
const currentRate = toBigNumber(current_rate).times(`1e-${token_decimals}`)
const crowdsaleTokensRemaining = toBigNumber(tokens_remaining).times(currentRate)
if (!is_whitelisted) return crowdsaleTokensRemaining
const whitelistStatus = await getWhitelistStatus(...params, account).call()
const max_tokens_remaining = whitelistStatus.max_tokens_remaining || whitelistStatus[1]
const maxTokensRemaining = toBigNumber(max_tokens_remaining).times(currentRate)
return crowdsaleTokensRemaining.lt(maxTokensRemaining) ? crowdsaleTokensRemaining : maxTokensRemaining
}
}
const getRate = async (addr, execID, methods) => {
let params = []
if (execID) {
params.push(addr, execID)
}
if (crowdsaleStore.isMintedCappedCrowdsale) {
const currentTierInfo = await methods.getCurrentTierInfo(...params).call()
const tier_price = currentTierInfo.tier_price || currentTierInfo[4]
return toBigNumber(tier_price)
} else if (crowdsaleStore.isDutchAuction) {
const crowdsaleStatus = await methods.getCrowdsaleStatus(...params).call()
const current_rate = crowdsaleStatus.current_rate || crowdsaleStatus[2]
return toBigNumber(current_rate)
}
return toBigNumber('0')
}
const calculateMinContribution = async (method, decimals, naturalMinCap, isWhitelisted) => {
const crowdsaleData = await method.call()
let { tier_min, minimum_contribution, minimum_purchase_amt, max_tokens_remaining } = crowdsaleData
if (!tier_min) {
if (method._method.name == 'getCurrentTierInfo') {
tier_min = crowdsaleData[5]
}
}
if (!minimum_contribution) {
if (method._method.name == 'getCrowdsaleInfo') {
minimum_contribution = crowdsaleData[2]
}
}
if (!minimum_purchase_amt && !max_tokens_remaining) {
if (method._method.name == 'getWhitelistStatus') {
minimum_purchase_amt = crowdsaleData[0]
max_tokens_remaining = crowdsaleData[1]
}
}
const minimumContribution = toBigNumber(tier_min || minimum_contribution).times(`1e-${decimals}`) //global min cap
const minimumPurchaseAmt = toBigNumber(minimum_purchase_amt).times(`1e-${decimals}`) //whitelist min cap
const maximumContribution = toBigNumber(max_tokens_remaining).times(`1e-${decimals}`)
if ((isWhitelisted && maximumContribution.eq(0)) || !isFinite(naturalMinCap)) {
return -1
}
return minimumContribution.gt(naturalMinCap)
? minimumContribution
: minimumPurchaseAmt.gt(naturalMinCap)
? minimumPurchaseAmt
: naturalMinCap
}
export const getUserMinLimits = async (addr, execID, methods, account) => {
const { decimals, balanceOf } = methods
let params = []
if (execID) {
params.push(addr, execID)
}
const token_decimals = await decimals(...params).call()
const owner_balance = toBigNumber(await balanceOf(...params, account).call())
const rate = await getRate(addr, execID, methods)
const { DECIMAL_PLACES } = rate.constructor.config()
rate.constructor.config({ DECIMAL_PLACES: +token_decimals })
const minimumByRate = rate.pow(-1)
const minimumByDecimals = toBigNumber(`1e-${token_decimals}`)
const naturalMinCap = minimumByRate.gt(minimumByDecimals) ? minimumByRate : minimumByDecimals
rate.constructor.config({ DECIMAL_PLACES })
if (crowdsaleStore.isMintedCappedCrowdsale) {
const { getCurrentTierInfo, getWhitelistStatus } = methods
const currentTierInfo = await getCurrentTierInfo(...params).call()
const is_whitelisted = currentTierInfo.is_whitelisted || currentTierInfo[7]
const tier_index = currentTierInfo.tier_index || currentTierInfo[1]
if (!is_whitelisted) {
if (owner_balance.gt('0')) return naturalMinCap
return calculateMinContribution(getCurrentTierInfo(...params), token_decimals, naturalMinCap)
}
return calculateMinContribution(
getWhitelistStatus(...params, tier_index, account),
token_decimals,
naturalMinCap,
is_whitelisted
)
} else if (crowdsaleStore.isDutchAuction) {
const { getCrowdsaleStatus, getWhitelistStatus, getCrowdsaleInfo } = methods
const crowdsaleStatus = await getCrowdsaleStatus(...params).call()
const is_whitelisted = crowdsaleStatus.is_whitelisted || crowdsaleStatus[6]
if (!is_whitelisted) {
if (owner_balance.gt('0')) return naturalMinCap
return calculateMinContribution(getCrowdsaleInfo(...params), token_decimals, naturalMinCap)
}
return calculateMinContribution(
getWhitelistStatus(...params, account),
token_decimals,
naturalMinCap,
is_whitelisted
)
}
}