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fix: removed provider permit generation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| import { createAdapters, decrypt, parseDecryptedPrivateKey } from "@ubiquity-os/permit-generation"; | ||
| import { ethers, utils } from "ethers"; | ||
| import { ContextPlugin } from "../types/plugin-input"; | ||
|
|
||
| type PermitDetails = { | ||
| token: string; // address | ||
| amount: ethers.BigNumberish; // uint160 | ||
| expiration: string; // uint48 | ||
| nonce: ethers.BigNumberish; // uint48 | ||
| }; | ||
|
|
||
| type PermitSingle = { | ||
| details: PermitDetails; | ||
| spender: string; // address | ||
| sigDeadline: ethers.BigNumberish; // uint256 | ||
| }; | ||
|
|
||
| // These are the EIP-712 type definitions from Uniswap's Permit2. | ||
| const permit2Types = { | ||
| PermitSingle: [ | ||
| { name: "details", type: "PermitDetails" }, | ||
| { name: "spender", type: "address" }, | ||
| { name: "sigDeadline", type: "uint256" }, | ||
| ], | ||
| PermitDetails: [ | ||
| { name: "token", type: "address" }, | ||
| { name: "amount", type: "uint160" }, | ||
| { name: "expiration", type: "uint48" }, | ||
| { name: "nonce", type: "uint48" }, | ||
| ], | ||
| }; | ||
|
|
||
| /** | ||
| * signPermit2() generates an EIP-712 signature for Uniswap's Permit2. | ||
| * | ||
| * @param privateKey the private key of the signer | ||
| * @param permit2Address the deployed Permit2 contract address | ||
| * @param chainId the chain ID | ||
| * @param permitSingle the permit data | ||
| * @returns the signature string | ||
| */ | ||
| export async function signPermit2( | ||
| privateKey: string, | ||
| permit2Address: string, | ||
| chainId: number, | ||
| permitSingle: PermitSingle | ||
| ): Promise<string> { | ||
| const domainData = { | ||
| name: "Permit2", | ||
| version: "1", | ||
| chainId, | ||
| verifyingContract: permit2Address, | ||
| }; | ||
|
|
||
| const wallet = new ethers.Wallet(privateKey); | ||
| return wallet._signTypedData(domainData, permit2Types, permitSingle); | ||
| } | ||
|
|
||
| async function getPrivateKey(evmPrivateEncrypted: string) { | ||
| try { | ||
| const privateKeyDecrypted = await decrypt(evmPrivateEncrypted, String(process.env.X25519_PRIVATE_KEY)); | ||
| const privateKeyParsed = parseDecryptedPrivateKey(privateKeyDecrypted); | ||
| const privateKey = privateKeyParsed.privateKey; | ||
| if (!privateKey) throw new Error("Private key is not defined"); | ||
| return privateKey; | ||
| } catch (error) { | ||
| const errorMessage = `Failed to decrypt a private key: ${error}`; | ||
| throw new Error(errorMessage); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Generates a claim base64 encoded compatible with pay.ubq.fi | ||
| */ | ||
| export async function generatePermitUrlPayload( | ||
| context: ContextPlugin, | ||
| userName: string, | ||
| chainId: number, | ||
| amount: number, | ||
| erc20RewardToken: string, | ||
| adapters: ReturnType<typeof createAdapters> | ||
| ) { | ||
| const privateKey = await getPrivateKey(context.config.evmPrivateEncrypted); // Replace with your private key | ||
| const permit2Address = "0x000000000022D473030F116dDEE9F6B43aC78BA3"; // Deployed Permit2 contract | ||
| const convertedAmount = utils.parseUnits(amount.toString(), 18); | ||
| const deadline = Date.now().toString(); | ||
| const spenderWallet = new ethers.Wallet(privateKey); | ||
| const { data: userData } = await context.octokit.rest.users.getByUsername({ username: userName }); | ||
|
|
||
| if (!userData) { | ||
| throw new Error(`GitHub user was not found for id ${userName}`); | ||
| } | ||
|
|
||
| // Had to truncate the nonce to fit in an uint48 | ||
| const nonce = | ||
| BigInt(utils.keccak256(utils.toUtf8Bytes(`${userData.id}-${context.payload.issue.node_id}`))) % BigInt(2 ** 48); | ||
| const walletAddress = await adapters.supabase.wallet.getWalletByUserId(userData.id); | ||
| const permitSingle: PermitSingle = { | ||
| details: { | ||
| token: erc20RewardToken, | ||
| amount: convertedAmount, // 1 token with 18 decimals | ||
| expiration: deadline, // Unix timestamp | ||
| nonce: nonce.toString(), | ||
| }, | ||
| spender: spenderWallet.address, | ||
| sigDeadline: deadline, // Unix timestamp | ||
| }; | ||
| const signature = await signPermit2(privateKey, permit2Address, chainId, permitSingle); | ||
| const permit = { | ||
| type: "erc20-permit", | ||
| permit: { | ||
| permitted: { | ||
| token: erc20RewardToken, | ||
| amount: convertedAmount, | ||
| }, | ||
| nonce: nonce.toString(), | ||
| deadline: deadline, | ||
| }, | ||
| transferDetails: { | ||
| to: walletAddress, | ||
| requestedAmount: convertedAmount, | ||
| }, | ||
| owner: spenderWallet.address, | ||
| signature: signature, | ||
| networkId: chainId, | ||
| }; | ||
|
|
||
| return Buffer.from(JSON.stringify([permit])).toString("base64"); | ||
| } |
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