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fix: undelegate with repay in single tx (#240)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| export * from './useUndelegateBaseAndromeda'; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| { | ||
| "name": "@snx-v3/useUndelegateBaseAndromeda", | ||
| "private": true, | ||
| "main": "index.ts", | ||
| "version": "0.0.1", | ||
| "dependencies": { | ||
| "@snx-v3/fetchPythPrices": "workspace:*", | ||
| "@snx-v3/format": "workspace:*", | ||
| "@snx-v3/isBaseAndromeda": "workspace:*", | ||
| "@snx-v3/tsHelpers": "workspace:*", | ||
| "@snx-v3/txnReducer": "workspace:*", | ||
| "@snx-v3/useAllCollateralPriceIds": "workspace:*", | ||
| "@snx-v3/useApprove": "workspace:*", | ||
| "@snx-v3/useBlockchain": "workspace:*", | ||
| "@snx-v3/useCoreProxy": "workspace:*", | ||
| "@snx-v3/useGasOptions": "workspace:*", | ||
| "@snx-v3/useGasPrice": "workspace:*", | ||
| "@snx-v3/useGasSpeed": "workspace:*", | ||
| "@snx-v3/useLiquidityPosition": "workspace:*", | ||
| "@snx-v3/withERC7412": "workspace:*", | ||
| "@synthetixio/wei": "^2.74.4", | ||
| "@tanstack/react-query": "^5.8.3", | ||
| "ethers": "^5.7.2", | ||
| "react": "^18.2.0" | ||
| } | ||
| } |
153 changes: 153 additions & 0 deletions
153
liquidity/lib/useUndelegateBaseAndromeda/useUndelegateBaseAndromeda.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| import { useReducer } from 'react'; | ||
| import { useCoreProxy } from '@snx-v3/useCoreProxy'; | ||
| import { useMutation } from '@tanstack/react-query'; | ||
| import { useNetwork, useProvider, useSigner } from '@snx-v3/useBlockchain'; | ||
| import { initialState, reducer } from '@snx-v3/txnReducer'; | ||
| import Wei, { wei } from '@synthetixio/wei'; | ||
| import { BigNumber, Contract, PopulatedTransaction } from 'ethers'; | ||
| import { formatGasPriceForTransaction } from '@snx-v3/useGasOptions'; | ||
| import { getGasPrice } from '@snx-v3/useGasPrice'; | ||
| import { useGasSpeed } from '@snx-v3/useGasSpeed'; | ||
| import { withERC7412 } from '@snx-v3/withERC7412'; | ||
| import { useAllCollateralPriceIds } from '@snx-v3/useAllCollateralPriceIds'; | ||
| import { fetchPriceUpdates, priceUpdatesToPopulatedTx } from '@snx-v3/fetchPythPrices'; | ||
| import { LiquidityPosition } from '@snx-v3/useLiquidityPosition'; | ||
| import { useApprove } from '@snx-v3/useApprove'; | ||
| import { USDC_BASE_MARKET, getRepayerContract, getUSDCAddress } from '@snx-v3/isBaseAndromeda'; | ||
| import { parseUnits } from '@snx-v3/format'; | ||
| import { DEBT_REPAYER_ABI } from '../useClearDebt'; | ||
| import { useSpotMarketProxy } from '../useSpotMarketProxy'; | ||
| import { notNil } from '@snx-v3/tsHelpers'; | ||
|
|
||
| export const useUndelegateBaseAndromeda = ({ | ||
| accountId, | ||
| poolId, | ||
| collateralTypeAddress, | ||
| collateralChange, | ||
| currentCollateral, | ||
| liquidityPosition, | ||
| }: { | ||
| accountId?: string; | ||
| poolId?: string; | ||
| collateralTypeAddress?: string; | ||
| currentCollateral: Wei; | ||
| collateralChange: Wei; | ||
| liquidityPosition?: LiquidityPosition; | ||
| }) => { | ||
| const [txnState, dispatch] = useReducer(reducer, initialState); | ||
| const { data: CoreProxy } = useCoreProxy(); | ||
| const { data: SpotMarketProxy } = useSpotMarketProxy(); | ||
|
|
||
| const signer = useSigner(); | ||
| const { gasSpeed } = useGasSpeed(); | ||
| const provider = useProvider(); | ||
| const { data: collateralPriceUpdates } = useAllCollateralPriceIds(); | ||
| const { network } = useNetwork(); | ||
|
|
||
| const debtExists = liquidityPosition?.debt.gt(0.01); | ||
| const currentDebt = debtExists && liquidityPosition ? liquidityPosition.debt : wei(0); | ||
|
|
||
| const { approve, requireApproval } = useApprove({ | ||
| contractAddress: getUSDCAddress(network?.id), | ||
| //slippage for approval | ||
| amount: parseUnits(currentDebt.toString(), 6).mul(110).div(100), | ||
| spender: getRepayerContract(network?.id), | ||
| }); | ||
|
|
||
| const mutation = useMutation({ | ||
| mutationFn: async () => { | ||
| if (!signer || !network || !provider) throw new Error('No signer or network'); | ||
| if ( | ||
| !(CoreProxy && poolId && collateralTypeAddress && collateralPriceUpdates && SpotMarketProxy) | ||
| ) | ||
| return; | ||
| if (collateralChange.eq(0)) return; | ||
| if (currentCollateral.eq(0)) return; | ||
| try { | ||
| dispatch({ type: 'prompting' }); | ||
|
|
||
| if (debtExists && requireApproval) { | ||
| await approve(false); | ||
| } | ||
|
|
||
| const transactions: Promise<PopulatedTransaction>[] = []; | ||
|
|
||
| if (debtExists) { | ||
| const repayer = new Contract(getRepayerContract(network.id), DEBT_REPAYER_ABI, signer); | ||
|
|
||
| const depositDebtToRepay = repayer.populateTransaction.depositDebtToRepay( | ||
| CoreProxy.address, | ||
| SpotMarketProxy.address, | ||
| accountId, | ||
| poolId, | ||
| collateralTypeAddress, | ||
| USDC_BASE_MARKET | ||
| ); | ||
| transactions.push(depositDebtToRepay); | ||
|
|
||
| const burn = CoreProxy.populateTransaction.burnUsd( | ||
| BigNumber.from(accountId), | ||
| BigNumber.from(poolId), | ||
| collateralTypeAddress, | ||
| currentDebt?.mul(110).div(100).toBN().toString() || '0' | ||
| ); | ||
| transactions.push(burn); | ||
| } | ||
|
|
||
| const populatedTxnPromised = CoreProxy.populateTransaction.delegateCollateral( | ||
| BigNumber.from(accountId), | ||
| BigNumber.from(poolId), | ||
| collateralTypeAddress, | ||
| currentCollateral.add(collateralChange).toBN(), | ||
| wei(1).toBN() | ||
| ); | ||
|
|
||
| const walletAddress = await signer.getAddress(); | ||
|
|
||
| const callsPromise = Promise.all([...transactions, populatedTxnPromised].filter(notNil)); | ||
|
|
||
| const collateralPriceCallsPromise = fetchPriceUpdates( | ||
| collateralPriceUpdates, | ||
| network.isTestnet | ||
| ).then((signedData) => | ||
| priceUpdatesToPopulatedTx(walletAddress, collateralPriceUpdates, signedData) | ||
| ); | ||
| const [calls, gasPrices, collateralPriceCalls] = await Promise.all([ | ||
| callsPromise, | ||
| getGasPrice({ provider }), | ||
| collateralPriceCallsPromise, | ||
| ]); | ||
| const allCalls = collateralPriceCalls.concat(...calls); | ||
|
|
||
| const erc7412Tx = await withERC7412( | ||
| network, | ||
| allCalls, | ||
| 'useUndelegate', | ||
| CoreProxy.interface | ||
| ); | ||
|
|
||
| const gasOptionsForTransaction = formatGasPriceForTransaction({ | ||
| gasLimit: erc7412Tx.gasLimit, | ||
| gasPrices, | ||
| gasSpeed, | ||
| }); | ||
|
|
||
| const txn = await signer.sendTransaction({ ...erc7412Tx, ...gasOptionsForTransaction }); | ||
| dispatch({ type: 'pending', payload: { txnHash: txn.hash } }); | ||
|
|
||
| await txn.wait(); | ||
| dispatch({ type: 'success' }); | ||
| } catch (error: any) { | ||
| dispatch({ type: 'error', payload: { error } }); | ||
| throw error; | ||
| } | ||
| }, | ||
| }); | ||
| return { | ||
| mutation, | ||
| txnState, | ||
| settle: () => dispatch({ type: 'settled' }), | ||
| isLoading: mutation.isPending, | ||
| exec: mutation.mutateAsync, | ||
| }; | ||
| }; |
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