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* Fabo/fix gas (#250) * fix gas estimate * linted * fixed test * do not keep data sources (#251) * track failing transactions in Sentry (#249) * correctly set the tx schema for a failing tx (#248) * Fabo/remove per block caching as not working (#247) * remove per block caching as not working * fix memoized results Co-authored-by: Ana G. <[email protected]> * delete perblockcachedatasource (#253) * Ana/fix balances in actionmodal (#255) * fix action modal available balance * include regen * use dictionary for denomlookup * use correct events for received txs (#257) * enable account creation for some networks (#252) * network update time metric added (#256) * network update time metric added * added missing dep Co-authored-by: Fabian <[email protected]> * Fix proposal deposit (#261) * Remove denom handling from getDeposit() * Revert undesired change * delete package-lock.json * localtestnet config change (#265) * Ana/handle "address not from this network" error (#263) * add check address function for all queries * apply suggestions * Ana/add fiatvalue to balances query (e-Money) (#262) * preparation * more preparation * add fiatvalue field to balances query * fix get account info * apply suggestions * apply one last suggestion * suggestions+ Co-authored-by: Fabian <[email protected]> * Ana/emoney fix expected returns with inflation and totalbacked (#243) * fix expected returns with inflation and supply * minor fixes. dictionary * query exchange rates from emoney api * fix infinite expected returns * convert api url to const * add eur value to totalbackedvalue. totalngm gains * add important comment * finish calculation * lint * catch errors with sentry Co-authored-by: Fabian <[email protected]> * readd coin conversion (#268) * delete amount field (#274) * Fabo/increase gas again (#271) * icrease gas again * fixed test * Fabo/load all txs (even if more then first page in response) (#270) * load all txs (even if more then first page in response) * improved handling of txs * missing renaming * fixed paginated load * add pagination fix also to cosmosV0-source Co-authored-by: iambeone <[email protected]> Co-authored-by: Ana G. <[email protected]> * fixing issue with multiple senders in one event (#273) * fixing issue with multiple senders in one event * Update lib/source/cosmosV2-source.js Co-authored-by: Fabian <[email protected]> Co-authored-by: Ana G. <[email protected]> Co-authored-by: iambeone <[email protected]> Co-authored-by: Mario Pino <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,29 +1,126 @@ | ||
| const terraV3Reducers = require('./terraV3-reducers') | ||
| const BigNumber = require('bignumber.js') | ||
| const fetch = require('node-fetch') | ||
| const _ = require('lodash') | ||
| const EMoneyAPIUrl = `https://api.e-money.com/v1/` | ||
| const exchangeAPIURL = `https://api.exchangeratesapi.io/latest?` | ||
| const Sentry = require('@sentry/node') | ||
|
|
||
| function expectedRewardsPerToken( | ||
| async function totalBackedValueReducer(totalBackedValue) { | ||
| const exchangeRates = await fetchTokenExchangeRates() | ||
| const token = `e`.concat(totalBackedValue.denom.substring(2)) | ||
| const ticker = totalBackedValue.denom.substring(2).toUpperCase() | ||
| // First we calculate the fiat net value of the token's total supply in it counterpart | ||
| // fiat currency | ||
| // TODO Not all the tokens have yet their rate value in the e-Money API. So the calculation | ||
| // is not yet 100% accurate | ||
| const fiatValue = exchangeRates[token] | ||
| ? BigNumber(totalBackedValue.amount) | ||
| .div(100000000) | ||
| .times(exchangeRates[token][ticker]) | ||
| .toNumber() | ||
| : null | ||
| // Now that we have its net fiat value, we transform this value into euro | ||
| const { rates } = await fetchFiatExchangeRates(`EUR`, ticker) | ||
| const eurRate = ticker === `EUR` ? 1 : rates[ticker] | ||
| return (totalBackedValue = { | ||
| ...totalBackedValue, | ||
| amount: exchangeRates[token] | ||
| ? BigNumber(totalBackedValue.amount).times( | ||
| Object.values(exchangeRates[token])[0] | ||
| ) | ||
| : BigNumber(totalBackedValue.amount), | ||
| // The total net EUR value of the token's total supply equals its net value in its | ||
| // counterpart fiat currency times this fiat currency's EUR rate | ||
| eurValue: fiatValue * eurRate | ||
| }) | ||
| } | ||
|
|
||
| async function fetchTokenExchangeRates() { | ||
| return await fetch(`${EMoneyAPIUrl}rates.json`) | ||
| .then(r => r.json()) | ||
| .catch(err => { | ||
| Sentry.withScope(function(scope) { | ||
| scope.setExtra('fetch', `${EMoneyAPIUrl}rates.json`) | ||
| Sentry.captureException(err) | ||
| }) | ||
| }) | ||
| } | ||
|
|
||
| async function fetchFiatExchangeRates(selectedFiatCurrency, ticker) { | ||
| return await fetch( | ||
| `${exchangeAPIURL}base=${selectedFiatCurrency}&symbols=${ticker}` | ||
| ) | ||
| .then(r => r.json()) | ||
| .catch(err => { | ||
| Sentry.withScope(function(scope) { | ||
| scope.setExtra( | ||
| 'fetch', | ||
| `${exchangeAPIURL}base=${selectedFiatCurrency}&symbols=${ticker}` | ||
| ) | ||
| Sentry.captureException(err) | ||
| }) | ||
| }) | ||
| } | ||
|
|
||
| async function expectedRewardsPerToken( | ||
| validator, | ||
| commission, | ||
| inflation, | ||
| totalBackedValue | ||
| inflations, | ||
| totalBackedValues | ||
| ) { | ||
| const percentTotalStakedNGM = BigNumber(validator.votingPower).times(1000) | ||
| const totalNGMStakedToValidator = validator.tokens | ||
| const division = BigNumber(percentTotalStakedNGM) | ||
| .times(BigNumber(1).minus(commission)) | ||
| .times(BigNumber(1).minus(BigNumber(commission))) | ||
| .div(BigNumber(totalNGMStakedToValidator)) | ||
| // Now we need to multiply each total supply of backed tokens with its corresponding | ||
| // inflation | ||
| let accumulator = BigNumber(0) | ||
| const totalBackedValueDictionary = _.keyBy(totalBackedValues, 'denom') | ||
|
|
||
| inflations.forEach(inflation => { | ||
| accumulator = BigNumber(accumulator) | ||
| .plus(accumulator) | ||
| .plus( | ||
| BigNumber(inflation.inflation) | ||
| .times(totalBackedValueDictionary[inflation.denom].amount) | ||
| .div(1000000) | ||
| ) | ||
| }) | ||
| const totalBackedValuesTimesInflations = accumulator | ||
| // First we calculate the total value of rewards we get for staking one single | ||
| // NGM in this particular validator | ||
| const delegatorSharePerToken = BigNumber(inflation * totalBackedValue).div( | ||
| division | ||
| ) | ||
| return delegatorSharePerToken.div(1000000) | ||
| // TODO | ||
| // Now we convert delegatorRewardsPerToken to the amount of NGM we can buy now | ||
| // with this reward | ||
| let delegatorSharePerToken = totalBackedValuesTimesInflations.div(division) | ||
| // In testnet some validators have commission at 100% and therefore division is | ||
| // equal to 0. Dividing by 0 we get infinity, and we want to make sure that | ||
| // we don't display such value | ||
| const infinity = new BigNumber(Infinity) | ||
| // This is just how BigNumber works. Comparing to 0 and if true, bignumber equals the given parameter. | ||
| // Documentation on this method can be found here: https://mikemcl.github.io/bignumber.js/#cmp | ||
| delegatorSharePerToken = | ||
| delegatorSharePerToken.comparedTo(infinity) === 0 | ||
| ? BigNumber(0) | ||
| : delegatorSharePerToken.div(1000000) | ||
| // Now we get the total net value in EUR of all token's total supplies | ||
| let eurAccumulator = 0 | ||
| totalBackedValues.forEach(totalBackedValue => { | ||
| eurAccumulator += totalBackedValue.eurValue | ||
| }) | ||
| const totalEURGains = eurAccumulator * delegatorSharePerToken.toNumber() | ||
| // How many NGM tokens can we buy with the total gain in EUR we make in a year's time? | ||
| // 0.50€ is the price the NGM tokens will be first sold. Therefore, this is the official value | ||
| // until they reach an exchange | ||
| const pricePerNGM = 0.5 | ||
| const ngmGains = totalEURGains / pricePerNGM | ||
| // We divide by 1 because we assume 1 NGM > gain per 1 NGM | ||
| const expectedReturns = parseFloat(ngmGains / 1).toFixed(2) | ||
| // TODO the FE is the one converting to percentage now, so we need to divide by 100 | ||
| return expectedReturns / 100 | ||
| } | ||
|
|
||
| module.exports = { | ||
| ...terraV3Reducers, | ||
| expectedRewardsPerToken | ||
| expectedRewardsPerToken, | ||
| totalBackedValueReducer | ||
| } |
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