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Merge pull request #94 from aragon/feat/lock-to-veto-permit
Lock to veto permit
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| import { useEffect } from "react"; | ||
| import { | ||
| useReadContracts, | ||
| useSignTypedData, | ||
| useAccount, | ||
| } from "wagmi"; | ||
| import { hexToSignature, Address } from "viem"; | ||
| import { ERC20PermitAbi } from "@/artifacts/ERC20Permit.sol"; | ||
| import { useAlertContext, AlertContextProps } from "@/context/AlertContext"; | ||
| import { PUB_CHAIN, PUB_TOKEN_ADDRESS } from "@/constants"; | ||
|
|
||
| export function usePermit() { | ||
| const { addAlert } = useAlertContext() as AlertContextProps; | ||
|
|
||
| const account_address = useAccount().address!; | ||
| const erc20Contract = { | ||
| address: PUB_TOKEN_ADDRESS, | ||
| abi: ERC20PermitAbi, | ||
| }; | ||
| const { data: erc20data, refetch: erc20refetch } = useReadContracts({ | ||
| contracts: [{ | ||
| ...erc20Contract, | ||
| functionName: "nonces", | ||
| args: [account_address], | ||
| },{ | ||
| ...erc20Contract, | ||
| functionName: "name", | ||
| },{ | ||
| ...erc20Contract, | ||
| functionName: "version", | ||
| }] | ||
| }); | ||
| const [nonceResult, nameResult, versionResult] = erc20data || []; | ||
|
|
||
| const { signTypedDataAsync: permitSign, status: permitSignStatus, error: permitSignError } = useSignTypedData(); | ||
|
|
||
| useEffect(() => { | ||
| switch (permitSignStatus) { | ||
| case "idle": | ||
| case "pending": | ||
| return; | ||
| case "error": | ||
| if (permitSignError?.message?.startsWith("User rejected the request")) { | ||
| addAlert("Transaction rejected by the user", { | ||
| timeout: 4 * 1000, | ||
| }); | ||
| } else { | ||
| addAlert("Could not sign the permit", { type: "error", timeout: 1500 }); | ||
| } | ||
| return; | ||
| case "success": | ||
| addAlert("Permit signed", { type: "success", timeout: 1500 }); | ||
| return; | ||
| } | ||
| }, [permitSignStatus]); | ||
|
|
||
| const signPermit = async (dest: Address, value: BigInt, deadline: BigInt = BigInt(Math.floor(Date.now() / 1000) + 60 * 60)) => { | ||
| if (!nonceResult || !nameResult || !versionResult) return; | ||
|
|
||
| const nonce = BigInt(Number(nonceResult?.result)); | ||
| const erc20_name = String(nameResult?.result); | ||
| /* We assume 1 if permit version is not specified */ | ||
| const versionFromContract = String(versionResult?.result ?? '1'); | ||
|
|
||
| const domain = { | ||
| chainId: PUB_CHAIN.id, | ||
| name: erc20_name, | ||
| version: versionFromContract, | ||
| verifyingContract: PUB_TOKEN_ADDRESS, | ||
| }; | ||
|
|
||
| const types = { | ||
| Permit: [ | ||
| { name: 'owner', type: 'address' }, | ||
| { name: 'spender', type: 'address' }, | ||
| { name: 'value', type: 'uint256' }, | ||
| { name: 'nonce', type: 'uint256' }, | ||
| { name: 'deadline', type: 'uint256' }, | ||
| ], | ||
| }; | ||
|
|
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| const message = { | ||
| owner: account_address, | ||
| spender: dest, | ||
| value, | ||
| nonce, | ||
| deadline, | ||
| }; | ||
|
|
||
| try { | ||
| let sig = await permitSign({ | ||
| account: account_address, | ||
| types, | ||
| domain, | ||
| primaryType: 'Permit', | ||
| message, | ||
| }); | ||
|
|
||
| return hexToSignature(sig); | ||
| } catch (e) { | ||
| return; | ||
| } | ||
| }; | ||
|
|
||
| return { | ||
| refetchPermitData: erc20refetch, | ||
| signPermit, | ||
| }; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| import { useEffect } from "react"; | ||
| import { | ||
| useReadContract, | ||
| useWaitForTransactionReceipt, | ||
| useWriteContract, | ||
| } from "wagmi"; | ||
| import { OptimisticTokenVotingPluginAbi } from "../artifacts/OptimisticTokenVotingPlugin.sol"; | ||
| import { AlertContextProps, useAlertContext } from "@/context/AlertContext"; | ||
| import { useRouter } from "next/router"; | ||
| import { PUB_CHAIN, PUB_LOCK_TO_VOTE_PLUGIN_ADDRESS } from "@/constants"; | ||
|
|
||
| export function useProposalExecute(proposalId: string) { | ||
| const { reload } = useRouter(); | ||
| const { addAlert } = useAlertContext() as AlertContextProps; | ||
|
|
||
| const { | ||
| data: canExecute, | ||
| isError: isCanVoteError, | ||
| isLoading: isCanVoteLoading, | ||
| } = useReadContract({ | ||
| address: PUB_LOCK_TO_VOTE_PLUGIN_ADDRESS, | ||
| abi: OptimisticTokenVotingPluginAbi, | ||
| chainId: PUB_CHAIN.id, | ||
| functionName: "canExecute", | ||
| args: [proposalId], | ||
| }); | ||
| const { | ||
| writeContract: executeWrite, | ||
| data: executeTxHash, | ||
| error: executingError, | ||
| status: executingStatus, | ||
| } = useWriteContract(); | ||
| const { isLoading: isConfirming, isSuccess: isConfirmed } = | ||
| useWaitForTransactionReceipt({ hash: executeTxHash }); | ||
|
|
||
| const executeProposal = () => { | ||
| if (!canExecute) return; | ||
|
|
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| executeWrite({ | ||
| chainId: PUB_CHAIN.id, | ||
| abi: OptimisticTokenVotingPluginAbi, | ||
| address: PUB_LOCK_TO_VOTE_PLUGIN_ADDRESS, | ||
| functionName: "execute", | ||
| args: [proposalId], | ||
| }); | ||
| }; | ||
|
|
||
| useEffect(() => { | ||
| if (executingStatus === "idle" || executingStatus === "pending") return; | ||
| else if (executingStatus === "error") { | ||
| if (executingError?.message?.startsWith("User rejected the request")) { | ||
| addAlert("Transaction rejected by the user", { | ||
| timeout: 4 * 1000, | ||
| }); | ||
| } else { | ||
| console.error(executingError); | ||
| addAlert("Could not execute the proposal", { | ||
| type: "error", | ||
| description: | ||
| "The proposal may contain actions with invalid operations", | ||
| }); | ||
| } | ||
| return; | ||
| } | ||
|
|
||
| // success | ||
| if (!executeTxHash) return; | ||
| else if (isConfirming) { | ||
| addAlert("Proposal submitted", { | ||
| description: "Waiting for the transaction to be validated", | ||
| type: "info", | ||
| txHash: executeTxHash, | ||
| }); | ||
| return; | ||
| } else if (!isConfirmed) return; | ||
|
|
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| addAlert("Proposal executed", { | ||
| description: "The transaction has been validated", | ||
| type: "success", | ||
| txHash: executeTxHash, | ||
| }); | ||
|
|
||
| setTimeout(() => reload(), 1000 * 2); | ||
| }, [executingStatus, executeTxHash, isConfirming, isConfirmed]); | ||
|
|
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| return { | ||
| executeProposal, | ||
| canExecute: | ||
| !isCanVoteError && !isCanVoteLoading && !isConfirmed && !!canExecute, | ||
| isConfirming, | ||
| isConfirmed, | ||
| }; | ||
| } |
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