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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,33 +1,30 @@ | ||
| import type { Address } from "viem"; | ||
| import { gql, request } from "graphql-request"; | ||
| import { createPublicClient, http } from 'viem' | ||
| import { base } from 'viem/chains' | ||
| import { Attestation, AttestationSchema } from "./types"; | ||
| import { AttestationSchema } from "./types"; | ||
| import type { Chain } from 'viem' | ||
|
|
||
| // TODO: should resolve based on chain id? | ||
| export const indexApi = "https://base.easscan.org/graphql"; | ||
| export const easScanGraphQLAPI = "https://base.easscan.org/graphql"; | ||
|
|
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| const schemaUids: Record<number, Record<AttestationSchema, string>> = { | ||
| const supportedChains: Record<number, { schemaUids: Record<string, string>, attesterAddresses: string[] }> = { | ||
| [base.id]: { | ||
| "VERIFIED COUNTRY":"0x1801901fabd0e6189356b4fb52bb0ab855276d84f7ec140839fbd1f6801ca065", | ||
| "VERIFIED ACCOUNT": "0xf8b05c79f090979bf4a80270aba232dff11a10d9ca55c4f88de95317970f0de9" | ||
| schemaUids: { | ||
| "VERIFIED COUNTRY":"0x1801901fabd0e6189356b4fb52bb0ab855276d84f7ec140839fbd1f6801ca065", | ||
| "VERIFIED ACCOUNT": "0xf8b05c79f090979bf4a80270aba232dff11a10d9ca55c4f88de95317970f0de9" | ||
| }, | ||
| attesterAddresses: ["0x357458739F90461b99789350868CD7CF330Dd7EE"] | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| export const attesterAddresses: Record<number, string[]> = { | ||
| [base.id]: ["0x357458739F90461b99789350868CD7CF330Dd7EE"], | ||
| }; | ||
| export function isChainSupported(chain: Chain): boolean { | ||
| return !!supportedChains[chain.id]; | ||
| } | ||
|
|
||
| // TODO: use client from network but allow passing a custom client | ||
| export const client = createPublicClient({ | ||
| chain: base, | ||
| transport: http(), | ||
| }); | ||
|
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| export function schemasToUids(schemas: AttestationSchema[], clientChainId?: number): string[] { | ||
| // TODO: better error handling | ||
| export function getChainSchemasUids(schemas: AttestationSchema[], clientChainId?: number): string[] { | ||
| if (!clientChainId) { | ||
| return []; | ||
| } | ||
| return schemas.map((schema) => schemaUids[clientChainId][schema]); | ||
| } | ||
| return schemas.map((schema) => supportedChains[clientChainId]['schemaUids'][schema]); | ||
| } | ||
|
|
||
| export function getAttesterAddresses(chain: Chain): string[] { | ||
| return supportedChains[chain.id].attesterAddresses; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,21 +1,34 @@ | ||
| import type { Address } from "viem"; | ||
| import type { Chain } from 'viem'; | ||
| import { AttestationSchema } from "./types"; | ||
| import { getAttestation } from './getAttestation'; | ||
| import { schemasToUids, client } from './attestation'; | ||
|
|
||
| import { isChainSupported, getChainSchemasUids } from './attestation'; | ||
|
|
||
| /** | ||
| * Checks if the specified address has verified attestations for the given chain and expected schemas. | ||
| * | ||
| * @param chain - The blockchain to check for attestations. | ||
| * @param address - The address to check for attestations. | ||
| * @param expectedSchemas - An array of attestation schemas that are expected. | ||
| * @returns A promise that resolves to a boolean indicating whether the address has the expected attestations. | ||
| * @throws Will throw an error if the chain is not supported. | ||
| */ | ||
| export async function hasVerifiedAttestations( | ||
| chain: Chain, | ||
| address: Address, | ||
| expectedSchemas: AttestationSchema[] = [] | ||
| ): Promise<boolean> { | ||
| if (!address || expectedSchemas?.length === 0) { | ||
| if (!chain || !address || expectedSchemas.length === 0) { | ||
| return false; | ||
| } | ||
| const schemaUids = schemasToUids(expectedSchemas, client.chain.id); | ||
| const attestations = await getAttestation(address, { schemas: expectedSchemas }); | ||
| const schemasFound = attestations.map( | ||
| (attestation) => attestation.schemaId, | ||
| ); | ||
|
|
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| return schemaUids.every((desiredSchemaUid) => schemasFound.includes(desiredSchemaUid)); | ||
| if (!isChainSupported(chain)) { | ||
| throw new Error(`Chain ${chain.id} is not supported`); | ||
| } | ||
|
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| const schemaUids = getChainSchemasUids(expectedSchemas, chain.id); | ||
| const attestations = await getAttestation(chain, address, { schemas: expectedSchemas }); | ||
| const schemasFound = attestations.map(attestation => attestation.schemaId); | ||
|
|
||
| return schemaUids.every(schemaUid => schemasFound.includes(schemaUid)); | ||
| } |