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Adds proper USD pricing conversion for token swap (#1788)
* Fix pricing * Cleanup * Use oracles for price * Add contract * contract guard * Add in oracle router into cp artifacts * Allow failure * Update to latest oeth router oracle deployment * move to react query impl * Remove default and changed cache time
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| import { useEffect, useState } from 'react' | ||
| import { useQuery } from 'react-query' | ||
| import { useStoreState } from 'pullstate' | ||
| import ContractStore from 'stores/ContractStore' | ||
| import { utils } from 'ethers' | ||
| import { allowancesService } from '../services/allowances.service' | ||
|
|
||
| const tokenConfiguration = { | ||
| eth: { | ||
| id: 'ethereum', | ||
| symbol: 'eth', | ||
| name: 'Ethereum', | ||
| }, | ||
| weth: { | ||
| id: 'weth', | ||
| symbol: 'weth', | ||
| name: 'WETH', | ||
| platforms: { | ||
| ethereum: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', | ||
| }, | ||
| }, | ||
| oeth: { | ||
| id: 'origin-ether', | ||
| symbol: 'oeth', | ||
| name: 'Origin Ether', | ||
| platforms: { | ||
| ethereum: '0x856c4efb76c1d1ae02e20ceb03a2a6a08b0b8dc3', | ||
| }, | ||
| }, | ||
| frxeth: { | ||
| id: 'frax-ether', | ||
| symbol: 'frxeth', | ||
| name: 'Frax Ether', | ||
| platforms: { | ||
| ethereum: '0x5e8422345238f34275888049021821e8e08caa1f', | ||
| }, | ||
| }, | ||
| sfrxeth: { | ||
| id: 'staked-frax-ether', | ||
| symbol: 'sfrxeth', | ||
| name: 'Staked Frax Ether', | ||
| platforms: { | ||
| ethereum: '0xac3e018457b222d93114458476f3e3416abbe38f', | ||
| }, | ||
| }, | ||
| steth: { | ||
| id: 'staked-ether', | ||
| symbol: 'steth', | ||
| name: 'Lido Staked Ether', | ||
| platforms: { | ||
| ethereum: '0xae7ab96520de3a18e5e111b5eaab095312d7fe84', | ||
| }, | ||
| }, | ||
| reth: { | ||
| id: 'rocket-pool-eth', | ||
| symbol: 'reth', | ||
| name: 'Rocket Pool ETH', | ||
| platforms: { | ||
| ethereum: '0xae78736cd615f374d3085123a210448e74fc6393', | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| const oethOraclePrice = (contract, tokenAddress) => contract.price(tokenAddress) | ||
|
|
||
| const stakedFraxPrice = (contract) => | ||
| contract.previewRedeem(utils.parseEther('1')) | ||
|
|
||
| const oraclePrices = async (tokens, contracts) => { | ||
| if ( | ||
| !contracts.chainlinkEthAggregator || | ||
| !contracts.oethOracleRouter || | ||
| !contracts.sfrxeth | ||
| ) { | ||
| return {} | ||
| } | ||
|
|
||
| // Fetch baseline ETH price for conversion | ||
| const feed = await contracts.chainlinkEthAggregator.latestRoundData() | ||
| const ethPrice = Number(utils.formatUnits(feed?.answer, 8)) | ||
|
|
||
| // Fetch token ratios | ||
| const tokenToPricingMethod = { | ||
| frxeth: oethOraclePrice.bind( | ||
| null, | ||
| contracts.oethOracleRouter, | ||
| tokenConfiguration.frxeth.platforms.ethereum | ||
| ), | ||
| steth: oethOraclePrice.bind( | ||
| null, | ||
| contracts.oethOracleRouter, | ||
| tokenConfiguration.steth.platforms.ethereum | ||
| ), | ||
| reth: oethOraclePrice.bind( | ||
| null, | ||
| contracts.oethOracleRouter, | ||
| tokenConfiguration.reth.platforms.ethereum | ||
| ), | ||
| sfrxeth: stakedFraxPrice.bind(null, contracts.sfrxeth), | ||
| } | ||
|
|
||
| // Undefined token will return ratio 1:1 with eth | ||
| const fetchTokenRatio = async (token) => | ||
| (await tokenToPricingMethod?.[token]?.()) || utils.parseEther('1') | ||
|
|
||
| const generateTokenMapping = (data) => | ||
| data.reduce( | ||
| (acc, weiRatio, index) => ({ | ||
| ...acc, | ||
| [tokens[index]]: Number(utils.formatEther(weiRatio)) * ethPrice, | ||
| }), | ||
| {} | ||
| ) | ||
|
|
||
| return Promise.all(tokens.map(fetchTokenRatio)).then(generateTokenMapping) | ||
| } | ||
|
|
||
| const coingeckoPrices = async (tokens) => { | ||
| const tokenIds = tokens.map((token) => tokenConfiguration[token].id) | ||
|
|
||
| const baseUri = `${ | ||
| process.env.NEXT_PUBLIC_COINGECKO_API | ||
| }/simple/price?ids=${tokenIds.join(',')}&vs_currencies=usd` | ||
|
|
||
| const generateTokenMapping = (data) => | ||
| tokens.reduce((acc, token) => { | ||
| const { id, symbol } = tokenConfiguration[token] | ||
| return { | ||
| ...acc, | ||
| [symbol]: data[id]?.usd || 0, | ||
| } | ||
| }, {}) | ||
|
|
||
| return fetch(baseUri) | ||
| .then((res) => res.json()) | ||
| .then(generateTokenMapping) | ||
| } | ||
|
|
||
| const useTokenPrices = ({ tokens = [] } = {}) => { | ||
| const contracts = useStoreState(ContractStore, (s) => s.contracts) | ||
| const chainId = useStoreState(ContractStore, (s) => s.chainId) | ||
| const queryTokens = | ||
| tokens?.length > 0 ? tokens : Object.keys(tokenConfiguration) | ||
|
|
||
| const fetchTokenPrices = async () => { | ||
| let prices | ||
|
|
||
| if (chainId === 1) { | ||
| prices = await oraclePrices(queryTokens, contracts) | ||
| } else { | ||
| prices = await coingeckoPrices(queryTokens) | ||
| } | ||
|
|
||
| return prices | ||
| } | ||
|
|
||
| return useQuery(queryTokens, fetchTokenPrices, { | ||
| enabled: contracts !== null, | ||
| }) | ||
| } | ||
|
|
||
| export default useTokenPrices |
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