verify-review-eip712.ts

import type { HumanFullReview, NetworkT } from "@packages/schema"
import {
	EIP712_HUMAN_REVIEW_TYPES,
	EIP712_PRIMARY_TYPE,
	getEip712Domain,
	parseThreadId,
} from "@packages/utils"
import "server-only"
import { verifyTypedData } from "viem"

type Params = {
	threadId: string
	network: NetworkT
	review: HumanFullReview
	signature: `0x${string}` // The hex signature from the wallet
}

export const verifyRewiewEip712 = async (params: Params): Promise<boolean> => {
	const { threadId, network, review, signature } = params
	const bioverifyDomain = getEip712Domain(network)

	const { publicationId, rootCid } = parseThreadId(threadId)

	if (!publicationId || !rootCid) {
		throw new Error(`Malformed threadId for Eip712 verification: ${threadId}`)
	}

	const isValid = await verifyTypedData({
		domain: bioverifyDomain,
		types: EIP712_HUMAN_REVIEW_TYPES,
		primaryType: EIP712_PRIMARY_TYPE,
		address: review.address as `0x${string}`,
		message: {
			reviewer: review.address as `0x${string}`,
			decision: review.verdict.decision,
			reason: review.verdict.reason,
			publicationId,
			rootCid,
		},
		signature,
	})

	return isValid
}