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feat: add clear debt contract (#234)
* feat: add clear debt contract * fix: repay approval spender * fix: wrong comment * fix: fix sUSDC on base sepolia * fix: update clear debt hook
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1 @@ | ||
| export * from './useClearDebt'; |
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| { | ||
| "name": "@snx-v3/useClearDebt", | ||
| "private": true, | ||
| "main": "index.ts", | ||
| "version": "0.0.1", | ||
| "dependencies": { | ||
| "@snx-v3/fetchPythPrices": "workspace:*", | ||
| "@snx-v3/isBaseAndromeda": "workspace:*", | ||
| "@snx-v3/tsHelpers": "workspace:*", | ||
| "@snx-v3/txnReducer": "workspace:*", | ||
| "@snx-v3/useAllCollateralPriceIds": "workspace:*", | ||
| "@snx-v3/useBlockchain": "workspace:*", | ||
| "@snx-v3/useCoreProxy": "workspace:*", | ||
| "@snx-v3/useGasOptions": "workspace:*", | ||
| "@snx-v3/useGasPrice": "workspace:*", | ||
| "@snx-v3/useGasSpeed": "workspace:*", | ||
| "@snx-v3/useUSDProxy": "workspace:*", | ||
| "@snx-v3/withERC7412": "workspace:*", | ||
| "@synthetixio/wei": "^2.74.4", | ||
| "@tanstack/react-query": "^5.8.3", | ||
| "ethers": "^5.7.2", | ||
| "react": "^18.2.0" | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| import { useReducer } from 'react'; | ||
| import { useCoreProxy } from '@snx-v3/useCoreProxy'; | ||
| import { formatGasPriceForTransaction } from '@snx-v3/useGasOptions'; | ||
| import { useMutation } from '@tanstack/react-query'; | ||
| import { useNetwork, useProvider, useSigner } from '@snx-v3/useBlockchain'; | ||
| import { initialState, reducer } from '@snx-v3/txnReducer'; | ||
| import Wei from '@synthetixio/wei'; | ||
| import { BigNumber, Contract } from 'ethers'; | ||
| import { getGasPrice } from '@snx-v3/useGasPrice'; | ||
| import { useGasSpeed } from '@snx-v3/useGasSpeed'; | ||
| import { useUSDProxy } from '@snx-v3/useUSDProxy'; | ||
| import { notNil } from '@snx-v3/tsHelpers'; | ||
| import { withERC7412 } from '@snx-v3/withERC7412'; | ||
| import { useAllCollateralPriceIds } from '@snx-v3/useAllCollateralPriceIds'; | ||
| import { fetchPriceUpdates, priceUpdatesToPopulatedTx } from '@snx-v3/fetchPythPrices'; | ||
| import { useSpotMarketProxy } from '../useSpotMarketProxy'; | ||
| import { USDC_BASE_MARKET, getRepayerContract } from '@snx-v3/isBaseAndromeda'; | ||
|
|
||
| const DEBT_REPAYER_ABI = [ | ||
| { | ||
| inputs: [ | ||
| { internalType: 'contract ISynthetixCore', name: 'synthetixCore', type: 'address' }, | ||
| { internalType: 'contract ISpotMarket', name: 'spotMarket', type: 'address' }, | ||
| { internalType: 'uint128', name: 'accountId', type: 'uint128' }, | ||
| { internalType: 'uint128', name: 'poolId', type: 'uint128' }, | ||
| { internalType: 'address', name: 'collateralType', type: 'address' }, | ||
| { internalType: 'uint128', name: 'spotMarketId', type: 'uint128' }, | ||
| ], | ||
| name: 'depositDebtToRepay', | ||
| outputs: [], | ||
| stateMutability: 'nonpayable', | ||
| type: 'function', | ||
| }, | ||
| ]; | ||
|
|
||
| export const useClearDebt = ({ | ||
| accountId, | ||
| poolId, | ||
| collateralTypeAddress, | ||
| availableUSDCollateral, | ||
| debt, | ||
| }: { | ||
| accountId?: string; | ||
| poolId?: string; | ||
| collateralTypeAddress?: string; | ||
| availableUSDCollateral?: Wei; | ||
| debt?: Wei; | ||
| }) => { | ||
| const [txnState, dispatch] = useReducer(reducer, initialState); | ||
| const { data: CoreProxy } = useCoreProxy(); | ||
| const { data: UsdProxy } = useUSDProxy(); | ||
| const { data: SpotMarketProxy } = useSpotMarketProxy(); | ||
| const { data: collateralPriceIds } = useAllCollateralPriceIds(); | ||
|
|
||
| const signer = useSigner(); | ||
| const { network } = useNetwork(); | ||
| const { gasSpeed } = useGasSpeed(); | ||
| const provider = useProvider(); | ||
|
|
||
| const mutation = useMutation({ | ||
| mutationFn: async () => { | ||
| if (!signer || !network || !provider) throw new Error('No signer or network'); | ||
|
|
||
| if ( | ||
| !( | ||
| CoreProxy && | ||
| poolId && | ||
| accountId && | ||
| collateralTypeAddress && | ||
| UsdProxy && | ||
| SpotMarketProxy && | ||
| collateralPriceIds | ||
| ) | ||
| ) { | ||
| return; | ||
| } | ||
|
|
||
| const repayer = new Contract(getRepayerContract(network.id), DEBT_REPAYER_ABI, signer); | ||
|
|
||
| if (!availableUSDCollateral) return; | ||
|
|
||
| try { | ||
| dispatch({ type: 'prompting' }); | ||
|
|
||
| const depositDebtToRepay = repayer.populateTransaction.depositDebtToRepay( | ||
| CoreProxy.address, | ||
| SpotMarketProxy.address, | ||
| accountId, | ||
| poolId, | ||
| collateralTypeAddress, | ||
| USDC_BASE_MARKET | ||
| ); | ||
|
|
||
| const burn = CoreProxy.populateTransaction.burnUsd( | ||
| BigNumber.from(accountId), | ||
| BigNumber.from(poolId), | ||
| collateralTypeAddress, | ||
| debt?.mul(110).div(100).toBN().toString() || '0' | ||
| ); | ||
|
|
||
| const callsPromise = Promise.all([depositDebtToRepay, burn].filter(notNil)); | ||
|
|
||
| const walletAddress = await signer.getAddress(); | ||
|
|
||
| const collateralPriceCallsPromise = fetchPriceUpdates( | ||
| collateralPriceIds, | ||
| network.isTestnet | ||
| ).then((signedData) => | ||
| priceUpdatesToPopulatedTx(walletAddress, collateralPriceIds, signedData) | ||
| ); | ||
|
|
||
| const [calls, gasPrices, collateralPriceCalls] = await Promise.all([ | ||
| callsPromise, | ||
| getGasPrice({ provider }), | ||
| collateralPriceCallsPromise, | ||
| ]); | ||
|
|
||
| const allCalls = collateralPriceCalls.concat(calls); | ||
|
|
||
| const erc7412Tx = await withERC7412(network, allCalls, 'useRepay', 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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