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Add People Chain Identity Example
- Create PeopleChainExample.ts demonstrating identity operations - Shows identity registration, verification, sub-accounts - Includes DID operations and username management - Advanced level example with identity, people-chain, did categories - Registered the example in the example registry
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‎src/lib/examples/PeopleChainExample.ts‎

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import type { Network } from "../types/network";
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import { ExampleFactory } from "./factory";
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export class PeopleChainExample extends ExampleFactory {
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constructor() {
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super({
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id: "people-chain-identity",
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name: "People Chain Identity",
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description: "Demonstrate People Chain identity operations: DID creation, verification, and management",
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level: "advanced",
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categories: ["identity", "people-chain", "did", "verification"],
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});
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}
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generateCode(network: Network): string {
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return `// People Chain Identity Operations Example on ${network.name}
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${this.getImports(network, true)}
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// Connect to ${network.name} People Chain
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const client = createClient(
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withPolkadotSdkCompat(
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getWsProvider("${network.endpoint}")
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)
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);
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// Get the typed API using the descriptors
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const typedApi = client.getTypedApi(${network.descriptorKey});
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// People Chain identity operations demonstration
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const demonstratePeopleChainIdentity = async () => {
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try {
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console.log("🆔 Starting People Chain identity operations demonstration...");
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// 1. Query identity information
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console.log("\\n🔍 Querying identity information:");
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const aliceAddress = "${this.getTestAccount("alice")}";
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const bobAddress = "${this.getTestAccount("bob")}";
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try {
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const aliceIdentity = await typedApi.query.Identity.IdentityOf.getValue(aliceAddress);
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console.log("Alice's identity:", aliceIdentity);
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const bobIdentity = await typedApi.query.Identity.IdentityOf.getValue(bobAddress);
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console.log("Bob's identity:", bobIdentity);
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} catch (error) {
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console.log("Identity queries not available or different structure");
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}
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// 2. Query super identities
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console.log("\\n👑 Querying super identities:");
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try {
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const superOf = await typedApi.query.Identity.SuperOf.getValue(aliceAddress);
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console.log("Alice's super identity:", superOf);
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} catch (error) {
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console.log("Super identity queries not available");
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}
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// 3. Query subs (sub-accounts)
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console.log("\\n👥 Querying sub-accounts:");
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try {
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const subsOf = await typedApi.query.Identity.SubsOf.getValue(aliceAddress);
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console.log("Alice's sub-accounts:", subsOf);
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} catch (error) {
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console.log("Sub-account queries not available");
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}
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// 4. Demonstrate identity registration
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console.log("\\n📝 Identity Registration Example:");
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console.log("This would register a new identity:");
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const registerTx = typedApi.tx.Identity.setIdentity({
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display: {
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Raw: "Alice Developer"
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},
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legal: {
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Raw: "Alice Developer Ltd"
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},
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web: {
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Raw: "https://alice.dev"
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},
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email: {
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Raw: "[email protected]"
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},
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twitter: {
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Raw: "@alice_dev"
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},
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matrix: {
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Raw: "@alice:matrix.org"
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}
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});
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console.log("Identity registration transaction created (not submitted in simulator)");
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// 5. Demonstrate identity verification request
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console.log("\\n✅ Identity Verification Request Example:");
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console.log("This would request verification for identity fields:");
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const requestVerifyTx = typedApi.tx.Identity.requestJudgement({
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reg_index: 0, // Registration index
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max_fee: 1000000000000n // Maximum fee for verification
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});
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console.log("Judgement request transaction created (not submitted in simulator)");
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// 6. Query registrars
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console.log("\\n🏛️ Querying registrars:");
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try {
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const registrars = await typedApi.query.Identity.Registrars.getValue();
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console.log("Available registrars:", registrars?.map((reg, index) => ({
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index,
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account: reg?.account,
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fee: reg?.fee?.toString(),
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fields: reg?.fields?.toString()
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})));
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} catch (error) {
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console.log("Registrar queries not available");
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}
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// 7. Demonstrate sub-account addition
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console.log("\\n👶 Sub-Account Addition Example:");
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console.log("This would add a sub-account to an identity:");
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const addSubTx = typedApi.tx.Identity.addSub({
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sub: MultiAddress.Id(bobAddress),
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data: {
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Raw: "Bob Assistant"
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}
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});
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console.log("Add sub-account transaction created (not submitted in simulator)");
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// 8. Demonstrate sub-account removal
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console.log("\\n👋 Sub-Account Removal Example:");
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console.log("This would remove a sub-account from an identity:");
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const removeSubTx = typedApi.tx.Identity.removeSub({
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sub: MultiAddress.Id(bobAddress)
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});
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console.log("Remove sub-account transaction created (not submitted in simulator)");
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// 9. Demonstrate identity clearing
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console.log("\\n🗑️ Identity Clearing Example:");
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console.log("This would clear the entire identity:");
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const clearTx = typedApi.tx.Identity.clearIdentity();
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console.log("Clear identity transaction created (not submitted in simulator)");
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// 10. Query identity judgments
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console.log("\\n⚖️ Querying identity judgments:");
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try {
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const judgements = await typedApi.query.Identity.Judgements.getValue(aliceAddress);
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console.log("Alice's judgements:", judgements);
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} catch (error) {
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console.log("Judgement queries not available");
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}
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// 11. Demonstrate username registration (if available)
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console.log("\\n📛 Username Registration Example:");
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console.log("This would register a username:");
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try {
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const usernameTx = typedApi.tx.Identity.setUsername({
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username: "alice_dev"
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});
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console.log("Username registration transaction created (not submitted in simulator)");
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} catch (error) {
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console.log("Username registration not available on this network");
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}
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// 12. Query username authorities
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console.log("\\n🔐 Querying username authorities:");
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try {
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const authorities = await typedApi.query.Identity.UsernameAuthorities.getValue();
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console.log("Username authorities:", authorities);
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} catch (error) {
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console.log("Username authorities not available");
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}
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// 13. Demonstrate DID operations (if available)
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console.log("\\n🆔 DID Operations Example:");
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console.log("This would perform DID operations:");
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try {
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// Query DID document
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const didDoc = await typedApi.query.Did.DidDocuments.getValue(aliceAddress);
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console.log("DID document for Alice:", didDoc);
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// DID update example
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const didUpdateTx = typedApi.tx.Did.setAttribute({
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did: aliceAddress,
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name: {
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Raw: "email"
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},
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value: {
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Raw: "[email protected]"
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},
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valid_for: null
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});
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console.log("DID attribute update transaction created (not submitted in simulator)");
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} catch (error) {
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console.log("DID operations not available on this network");
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}
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console.log("\\n✅ People Chain identity operations demonstration completed!");
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console.log("Note: Identity operations require:");
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console.log("- Understanding of registrar fees and requirements");
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console.log("- Proper field validation and formatting");
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console.log("- Sufficient balance for registration and verification fees");
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console.log("- In a real application, you would sign and submit these transactions");
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console.log("- Identity verification may require third-party registrars");
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} catch (error) {
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console.error("❌ Error in People Chain identity operations:", error);
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}
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};
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demonstratePeopleChainIdentity().catch(console.error);
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`;
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}
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}

‎src/lib/examples/index.ts‎

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@@ -4,6 +4,8 @@ import { StakingOperationsExample } from "./StakingOperationsExample";
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import { AssetHubExample } from "./AssetHubExample";
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import { OpenGovExample } from "./OpenGovExample";
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import { CoretimeExample } from "./CoretimeExample";
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import { PeopleChainExample } from "./PeopleChainExample";
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79

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@@ -13,6 +15,8 @@ import { NetworkDashboardExample } from "./NetworkDashboardExample";
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import { AccountBalanceCheckerExample } from "./AccountBalanceCheckerExample";
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import { WalletTransferExample } from "./WalletTransferExample";
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import { AcalaDeFiExample } from "./AcalaDeFiExample";
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new PeopleChainExample(),
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import type { Example, ExampleLevel } from "../types/example";
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new CoretimeExample(),
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