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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| import { ContractTransactionReceipt, isBytesLike } from "ethers"; | ||
| import { MACI__factory as MACIFactory, Poll__factory as PollFactory } from "maci-contracts/typechain-types"; | ||
| import { PubKey } from "maci-domainobjs"; | ||
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|
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| import { contractExists, IRegisteredUserArgs, ISignupArgs, parsePollJoinEvents, parseSignupEvents } from "./utils"; | ||
| import { IIsRegisteredUser, IJoinedUserArgs, ISignupData } from "./utils/interfaces"; | ||
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|
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| /** | ||
| * Checks if user is registered with a given public key | ||
| * @param IRegisteredArgs - The arguments for the check register command | ||
| * @returns whether the user is registered or not and their state index | ||
| */ | ||
| export const isUserRegistered = async ({ | ||
| maciAddress, | ||
| maciPubKey, | ||
| signer, | ||
| startBlock, | ||
| }: IRegisteredUserArgs): Promise<IIsRegisteredUser> => { | ||
| const maciContract = MACIFactory.connect(maciAddress, signer); | ||
| const publicKey = PubKey.deserialize(maciPubKey); | ||
| const startBlockNumber = startBlock || 0; | ||
| const currentBlock = await signer.provider!.getBlockNumber(); | ||
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|
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| const { stateIndex } = await parseSignupEvents({ | ||
| maciContract, | ||
| startBlock: startBlockNumber, | ||
| currentBlock, | ||
| publicKey, | ||
| }); | ||
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|
||
| return { | ||
| isRegistered: stateIndex !== undefined, | ||
| stateIndex, | ||
| }; | ||
| }; | ||
|
|
||
| /** | ||
| * Signup a user to the MACI contract | ||
| * @param {SignupArgs} args - The arguments for the signup command | ||
| * @returns {ISignupData} The state index of the user and transaction hash | ||
| */ | ||
| export const signup = async ({ maciPubKey, maciAddress, sgData, signer }: ISignupArgs): Promise<ISignupData> => { | ||
| // validate user key | ||
| if (!PubKey.isValidSerializedPubKey(maciPubKey)) { | ||
| throw new Error("Invalid MACI public key"); | ||
| } | ||
|
|
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| const userMaciPubKey = PubKey.deserialize(maciPubKey); | ||
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| const validContract = await contractExists(signer.provider!, maciAddress); | ||
| if (!validContract) { | ||
| throw new Error("There is no contract deployed at the specified address"); | ||
| } | ||
|
|
||
| // we validate that the signup data and voice credit data is valid | ||
| if (!isBytesLike(sgData)) { | ||
| throw new Error("invalid signup gateway data"); | ||
| } | ||
|
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| const maciContract = MACIFactory.connect(maciAddress, signer); | ||
|
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| let stateIndex = ""; | ||
| let receipt: ContractTransactionReceipt | null = null; | ||
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| try { | ||
| // sign up to the MACI contract | ||
| const tx = await maciContract.signUp(userMaciPubKey.asContractParam(), sgData); | ||
| receipt = await tx.wait(); | ||
|
|
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| if (receipt?.status !== 1) { | ||
| throw new Error("The transaction failed"); | ||
| } | ||
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| const iface = maciContract.interface; | ||
|
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| // get state index from the event | ||
| const [log] = receipt.logs; | ||
| const { args } = iface.parseLog(log as unknown as { topics: string[]; data: string }) || { args: [] }; | ||
| [stateIndex, ,] = args; | ||
| } catch (error) { | ||
| throw new Error((error as Error).message); | ||
| } | ||
|
|
||
| return { | ||
| stateIndex: stateIndex ? stateIndex.toString() : "", | ||
| transactionHash: receipt.hash, | ||
| }; | ||
| }; | ||
|
|
||
| /** | ||
| * Checks if user is joined to a poll with the public key | ||
| * @param {IJoinedUserArgs} - The arguments for the join check command | ||
| * @returns user joined or not and poll state index, voice credit balance | ||
| */ | ||
| export const isJoinedUser = async ({ | ||
| maciAddress, | ||
| pollId, | ||
| pollPubKey, | ||
| signer, | ||
| startBlock, | ||
| }: IJoinedUserArgs): Promise<{ isJoined: boolean; pollStateIndex?: string; voiceCredits?: string }> => { | ||
| const maciContract = MACIFactory.connect(maciAddress, signer); | ||
| const pollContracts = await maciContract.getPoll(pollId); | ||
| const pollContract = PollFactory.connect(pollContracts.poll, signer); | ||
|
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| const pollPublicKey = PubKey.deserialize(pollPubKey); | ||
| const startBlockNumber = startBlock || 0; | ||
| const currentBlock = await signer.provider!.getBlockNumber(); | ||
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| const { pollStateIndex, voiceCredits } = await parsePollJoinEvents({ | ||
| pollContract, | ||
| startBlock: startBlockNumber, | ||
| currentBlock, | ||
| pollPublicKey, | ||
| }); | ||
|
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||
| return { | ||
| isJoined: pollStateIndex !== undefined, | ||
| pollStateIndex, | ||
| voiceCredits, | ||
| }; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| export const BLOCKS_STEP = 1000; |
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