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feat: add flash mint hyeth quote provider
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| import { BigNumber } from '@ethersproject/bignumber' | ||
| import { Address, isAddressEqual } from 'viem' | ||
|
|
||
| import { SwapQuoteProvider } from 'quote/swap' | ||
|
|
||
| import { QuoteToken } from '../../../interfaces' | ||
|
|
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| import { AcrossQuoteProvider } from './across' | ||
| import { InstadappQuoteProvider } from './instadapp' | ||
| import { PendleQuoteProvider } from './pendle' | ||
|
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| interface ComponentQuotesResult { | ||
| componentQuotes: string[] | ||
| inputOutputTokenAmount: bigint | ||
| } | ||
|
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||
| export class ComponentQuotesProvider { | ||
| constructor( | ||
| readonly chainId: number, | ||
| readonly slippage: number, | ||
| readonly wethAddress: string, | ||
| readonly rpcUrl: string, | ||
| readonly swapQuoteProvider: SwapQuoteProvider | ||
| ) {} | ||
|
|
||
| isAcross(token: string) { | ||
| return isAddressEqual( | ||
| token as Address, | ||
| '0x28F77208728B0A45cAb24c4868334581Fe86F95B' | ||
| ) | ||
| } | ||
|
|
||
| isInstdapp(token: string) { | ||
| return isAddressEqual( | ||
| token as Address, | ||
| '0xA0D3707c569ff8C87FA923d3823eC5D81c98Be78' | ||
| ) | ||
| } | ||
|
|
||
| isPendle(token: string) { | ||
| const pendleTokens: Address[] = [ | ||
| '0x1c085195437738d73d75DC64bC5A3E098b7f93b1', | ||
| '0x6ee2b5E19ECBa773a352E5B21415Dc419A700d1d', | ||
| '0xf7906F274c174A52d444175729E3fa98f9bde285', | ||
| ] | ||
| return pendleTokens.some((pendleToken) => | ||
| isAddressEqual(pendleToken, token as Address) | ||
| ) | ||
| } | ||
|
|
||
| async getComponentQuotes( | ||
| components: string[], | ||
| positions: BigNumber[], | ||
| isMinting: boolean, | ||
| inputToken: QuoteToken, | ||
| outputToken: QuoteToken | ||
| ): Promise<ComponentQuotesResult | null> { | ||
| if (components.length === 0 || positions.length === 0) return null | ||
| if (components.length !== positions.length) return null | ||
|
|
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| const { swapQuoteProvider } = this | ||
|
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| const inputTokenAddress = this.getTokenAddressOrWeth(inputToken) | ||
| const outputTokenAddress = this.getTokenAddressOrWeth(outputToken) | ||
|
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| const quotePromises: Promise<bigint | null>[] = [] | ||
|
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| for (let i = 0; i < components.length; i += 1) { | ||
| const index = i | ||
| const component = components[index] | ||
| const amount = positions[index].toBigInt() | ||
|
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||
| if (this.isAcross(component)) { | ||
| const acrossQuoteProvider = new AcrossQuoteProvider( | ||
| this.rpcUrl, | ||
| swapQuoteProvider | ||
| ) | ||
| if (isMinting) { | ||
| const quotePromise = acrossQuoteProvider.getDepositQuote( | ||
| amount, | ||
| inputTokenAddress | ||
| ) | ||
| quotePromises.push(quotePromise) | ||
| } else { | ||
| const quotePromise = acrossQuoteProvider.getWithdrawQuote( | ||
| amount, | ||
| outputTokenAddress | ||
| ) | ||
| quotePromises.push(quotePromise) | ||
| } | ||
| } | ||
|
|
||
| if (this.isInstdapp(component)) { | ||
| const instadappProvider = new InstadappQuoteProvider( | ||
| this.rpcUrl, | ||
| swapQuoteProvider | ||
| ) | ||
| if (isMinting) { | ||
| const quotePromise = instadappProvider.getMintQuote( | ||
| component, | ||
| amount, | ||
| inputTokenAddress | ||
| ) | ||
| quotePromises.push(quotePromise) | ||
| } else { | ||
| const quotePromise = instadappProvider.getRedeemQuote( | ||
| component, | ||
| amount, | ||
| outputTokenAddress | ||
| ) | ||
| quotePromises.push(quotePromise) | ||
| } | ||
| } | ||
|
|
||
| if (this.isPendle(component)) { | ||
| const pendleQuoteProvider = new PendleQuoteProvider( | ||
| this.rpcUrl, | ||
| swapQuoteProvider | ||
| ) | ||
| if (isMinting) { | ||
| const quotePromise = pendleQuoteProvider.getDepositQuote( | ||
| component, | ||
| amount, | ||
| inputTokenAddress | ||
| ) | ||
| quotePromises.push(quotePromise) | ||
| } else { | ||
| const quotePromise = pendleQuoteProvider.getWithdrawQuote( | ||
| component, | ||
| amount, | ||
| outputTokenAddress | ||
| ) | ||
| quotePromises.push(quotePromise) | ||
| } | ||
| } | ||
| } | ||
| const resultsWithNull = await Promise.all(quotePromises) | ||
| const results: bigint[] = resultsWithNull.filter( | ||
| (e): e is Exclude<typeof e, null> => e !== null | ||
| ) | ||
| if (results.length !== resultsWithNull.length) return null | ||
| // const componentQuotes = results.map((result) => result.callData) | ||
| const inputOutputTokenAmount = results | ||
| .map((result) => result) | ||
| .reduce((prevValue, currValue) => { | ||
| return currValue + prevValue | ||
| }) | ||
| return { | ||
| componentQuotes: [], | ||
| inputOutputTokenAmount, | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Returns the WETH address if token is ETH. Otherwise the token's address. | ||
| * @param token A token of type QuoteToken. | ||
| * @returns a token address as string | ||
| */ | ||
| getTokenAddressOrWeth(token: QuoteToken): string { | ||
| return token.symbol === 'ETH' ? this.wethAddress : token.address | ||
| } | ||
| } |
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