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feat: update swap hooks and add swap txn submission (#3187)
* update swap hooks to add swap txn confirmations * fix: remove uneeded comments * update with latest * update utils to separate swap callback hooks * create generic swap callabck to be used by both app and widget * update app swap callback to use logic from lib * update big number import
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,181 @@ | ||
| import { BigNumber } from '@ethersproject/bignumber' | ||
| import { SwapRouter, Trade } from '@uniswap/router-sdk' | ||
| import { Currency, Percent, TradeType } from '@uniswap/sdk-core' | ||
| import { Router as V2SwapRouter, Trade as V2Trade } from '@uniswap/v2-sdk' | ||
| import { SwapRouter as V3SwapRouter, Trade as V3Trade } from '@uniswap/v3-sdk' | ||
| import { SWAP_ROUTER_ADDRESSES, V3_ROUTER_ADDRESS } from 'constants/addresses' | ||
| import useActiveWeb3React from 'hooks/useActiveWeb3React' | ||
| import { useMemo } from 'react' | ||
| import approveAmountCalldata from 'utils/approveAmountCalldata' | ||
|
|
||
| import { useArgentWalletContract } from './useArgentWalletContract' | ||
| import { useV2RouterContract } from './useContract' | ||
| import useENS from './useENS' | ||
| import { SignatureData } from './useERC20Permit' | ||
|
|
||
| export type AnyTrade = | ||
| | V2Trade<Currency, Currency, TradeType> | ||
| | V3Trade<Currency, Currency, TradeType> | ||
| | Trade<Currency, Currency, TradeType> | ||
|
|
||
| interface SwapCall { | ||
| address: string | ||
| calldata: string | ||
| value: string | ||
| } | ||
|
|
||
| /** | ||
| * Returns the swap calls that can be used to make the trade | ||
| * @param trade trade to execute | ||
| * @param allowedSlippage user allowed slippage | ||
| * @param recipientAddressOrName the ENS name or address of the recipient of the swap output | ||
| * @param signatureData the signature data of the permit of the input token amount, if available | ||
| */ | ||
| export function useSwapCallArguments( | ||
| trade: AnyTrade | undefined, | ||
| allowedSlippage: Percent, | ||
| recipientAddressOrName: string | null | undefined, | ||
| signatureData: SignatureData | null | undefined, | ||
| deadline: BigNumber | undefined | ||
| ): SwapCall[] { | ||
| const { account, chainId, library } = useActiveWeb3React() | ||
|
|
||
| const { address: recipientAddress } = useENS(recipientAddressOrName) | ||
| const recipient = recipientAddressOrName === null ? account : recipientAddress | ||
| const routerContract = useV2RouterContract() | ||
| const argentWalletContract = useArgentWalletContract() | ||
|
|
||
| return useMemo(() => { | ||
| if (!trade || !recipient || !library || !account || !chainId || !deadline) return [] | ||
|
|
||
| if (trade instanceof V2Trade) { | ||
| if (!routerContract) return [] | ||
| const swapMethods = [] | ||
|
|
||
| swapMethods.push( | ||
| V2SwapRouter.swapCallParameters(trade, { | ||
| feeOnTransfer: false, | ||
| allowedSlippage, | ||
| recipient, | ||
| deadline: deadline.toNumber(), | ||
| }) | ||
| ) | ||
|
|
||
| if (trade.tradeType === TradeType.EXACT_INPUT) { | ||
| swapMethods.push( | ||
| V2SwapRouter.swapCallParameters(trade, { | ||
| feeOnTransfer: true, | ||
| allowedSlippage, | ||
| recipient, | ||
| deadline: deadline.toNumber(), | ||
| }) | ||
| ) | ||
| } | ||
| return swapMethods.map(({ methodName, args, value }) => { | ||
| if (argentWalletContract && trade.inputAmount.currency.isToken) { | ||
| return { | ||
| address: argentWalletContract.address, | ||
| calldata: argentWalletContract.interface.encodeFunctionData('wc_multiCall', [ | ||
| [ | ||
| approveAmountCalldata(trade.maximumAmountIn(allowedSlippage), routerContract.address), | ||
| { | ||
| to: routerContract.address, | ||
| value, | ||
| data: routerContract.interface.encodeFunctionData(methodName, args), | ||
| }, | ||
| ], | ||
| ]), | ||
| value: '0x0', | ||
| } | ||
| } else { | ||
| return { | ||
| address: routerContract.address, | ||
| calldata: routerContract.interface.encodeFunctionData(methodName, args), | ||
| value, | ||
| } | ||
| } | ||
| }) | ||
| } else { | ||
| // swap options shared by v3 and v2+v3 swap routers | ||
| const sharedSwapOptions = { | ||
| recipient, | ||
| slippageTolerance: allowedSlippage, | ||
| ...(signatureData | ||
| ? { | ||
| inputTokenPermit: | ||
| 'allowed' in signatureData | ||
| ? { | ||
| expiry: signatureData.deadline, | ||
| nonce: signatureData.nonce, | ||
| s: signatureData.s, | ||
| r: signatureData.r, | ||
| v: signatureData.v as any, | ||
| } | ||
| : { | ||
| deadline: signatureData.deadline, | ||
| amount: signatureData.amount, | ||
| s: signatureData.s, | ||
| r: signatureData.r, | ||
| v: signatureData.v as any, | ||
| }, | ||
| } | ||
| : {}), | ||
| } | ||
|
|
||
| const swapRouterAddress = chainId | ||
| ? trade instanceof V3Trade | ||
| ? V3_ROUTER_ADDRESS[chainId] | ||
| : SWAP_ROUTER_ADDRESSES[chainId] | ||
| : undefined | ||
| if (!swapRouterAddress) return [] | ||
|
|
||
| const { value, calldata } = | ||
| trade instanceof V3Trade | ||
| ? V3SwapRouter.swapCallParameters(trade, { | ||
| ...sharedSwapOptions, | ||
| deadline: deadline.toString(), | ||
| }) | ||
| : SwapRouter.swapCallParameters(trade, { | ||
| ...sharedSwapOptions, | ||
| deadlineOrPreviousBlockhash: deadline.toString(), | ||
| }) | ||
|
|
||
| if (argentWalletContract && trade.inputAmount.currency.isToken) { | ||
| return [ | ||
| { | ||
| address: argentWalletContract.address, | ||
| calldata: argentWalletContract.interface.encodeFunctionData('wc_multiCall', [ | ||
| [ | ||
| approveAmountCalldata(trade.maximumAmountIn(allowedSlippage), swapRouterAddress), | ||
| { | ||
| to: swapRouterAddress, | ||
| value, | ||
| data: calldata, | ||
| }, | ||
| ], | ||
| ]), | ||
| value: '0x0', | ||
| }, | ||
| ] | ||
| } | ||
| return [ | ||
| { | ||
| address: swapRouterAddress, | ||
| calldata, | ||
| value, | ||
| }, | ||
| ] | ||
| } | ||
| }, [ | ||
| trade, | ||
| recipient, | ||
| library, | ||
| account, | ||
| chainId, | ||
| deadline, | ||
| routerContract, | ||
| allowedSlippage, | ||
| argentWalletContract, | ||
| signatureData, | ||
| ]) | ||
| } |
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