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Updates to asset-vc-tx & addition of yarn.lock
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Signed-off-by: Shreevatsa N <[email protected]>
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@vatsa287
vatsa287 committed Mar 26, 2024
1 parent f7855b6 commit 597cbfe
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Showing 3 changed files with 267 additions and 83 deletions.
136 changes: 57 additions & 79 deletions demo/src/asset-vc-tx.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,43 +8,30 @@ import PalletAssetVcAssetEntry from '@polkadot/types/lookup';

const { NETWORK_ADDRESS, ANCHOR_URI } = process.env;

/* TODO: Remove unused below dependencies after AssetEntryUri is built in vcExport library */
import { hashToUri, uriToIdentifier } from '@cord.network/identifier'
import {
IAssetProperties,
ASSET_IDENT,
ASSET_PREFIX,
AssetUri,
IAssetIssuance,
ASSET_INSTANCE_IDENT,
IAssetTransfer,
IAssetEntry,
IAssetTransferEntry,
DidUri,
SpaceUri,
blake2AsHex,
AccountId,
H256,
Bytes,
} from '@cord.network/types'
import { Crypto } from '@cord.network/utils'
import * as Did from '@cord.network/did'
//import AccountId32 from '@polkadot/types/interfaces/runtime';


/* TODO: Take arguments, generate digests with typed arguments */
async function buildAssetUri(assetInput: IAssetEntry, issuerUri: DidUri , spaceUri: SpaceUri, api: any) {
//const api = Cord.ConfigService.get("api");
const entryDigest = Crypto.hashObjectAsHexStr(assetInput);
import { HexString } from "@cord.network/types";

async function buildFromAssetVcProperties(entryDigest: HexString, issuerUri: DidUri , spaceUri: SpaceUri, api: Cord.ConfigService) {
const scaleEncodedAssetDigest = api
.createType("H256", entryDigest)
.createType<H256>("H256", entryDigest)
.toU8a();
const scaleEncodedIssuer = api
.createType('AccountId', Did.toChain(issuerUri))
.createType<AccountId>('AccountId', Did.toChain(issuerUri))
.toU8a()
const scaleEncodedSpace = api
.createType('Bytes', uriToIdentifier(spaceUri))
.createType<AccountId>('Bytes', uriToIdentifier(spaceUri))
.toU8a()

const assetIdDigest = blake2AsHex(
Expand All @@ -57,11 +44,18 @@ async function buildAssetUri(assetInput: IAssetEntry, issuerUri: DidUri , spaceU
ASSET_PREFIX
) as AssetUri;

return assetIdentifier
const transformedEntry: IAssetEntry = {
creator: issuerUri,
space: spaceUri,
digest: entryDigest,
uri: assetIdentifier,
};

return transformedEntry;
}

async function main() {
const networkAddress = NETWORK_ADDRESS ?? 'ws://127.0.0.1:60477';
const networkAddress = NETWORK_ADDRESS ?? 'ws://127.0.0.1:63214';
const anchorUri = ANCHOR_URI ?? '//Alice';

// Temporarily suppress console.log
Expand All @@ -86,7 +80,7 @@ async function main() {
await addNetworkMember(networkAuthorityIdentity, authorIdentity.address)

// const { account: issuerIdentity } = createAccount();
// Create issuer DID
// Create issuer DID
const { mnemonic: issuerMnemonic, document: issuerDid } = await createDid(
networkAuthorityIdentity
)
Expand Down Expand Up @@ -116,7 +110,7 @@ async function main() {
await addNetworkMember(networkAuthorityIdentity, apiIdentity.address);
console.log("✅ Identities created!");

// Step 3: Create a new Chain Space
// Step 2: Create a new Chain Space
console.log(`\n❄️ Chain Space Creation `)
const spaceProperties = await Cord.ChainSpace.buildFromProperties(
issuerDid.uri
Expand Down Expand Up @@ -150,8 +144,9 @@ async function main() {
space.uri,
100
)
console.log(`✅ Chain Space Approved`)
console.log(`✅ Chain Space Approved`)

// Step 3: Dispatch new schema to chain.
let newSchemaContent = require('../res/asset_vc_schema.json');
let newSchemaName =
newSchemaContent.title + ':' + Cord.Utils.UUID.generate();
Expand All @@ -161,7 +156,8 @@ async function main() {
newSchemaContent,
space.uri,
issuerDid.uri,
);
);

const schemaUri = await Cord.Schema.dispatchToChain(
schemaProperties.schema,
issuerDid.uri,
Expand All @@ -172,9 +168,10 @@ async function main() {
keyType: issuerKeys.authentication.type,
}),
);

console.log(`✅ Schema - ${schemaUri} - added!`);

// Step 2: Create assets on-chain
// Step 4: Create assets off-chain
let assetProperties: Cord.IAssetProperties = {
assetType: Cord.AssetTypeOf.art,
assetDesc: "Asset - " + Cord.Utils.UUID.generate(),
Expand All @@ -184,7 +181,13 @@ async function main() {
assetMeta: "Meta - " + Cord.Utils.UUID.generate(),
};

// Step 4: Delegate creates a new Verifiable Document
console.log(`\n❄️ Asset Properties - Created by Issuer `);
console.dir(assetProperties, {
depth: null,
colors: true,
});

// Step 5: Delegate(Asset Owner/Issuer) creates a new Verifiable Document
console.log(`\n❄️ VC Asset Creation `);

let newCredContent = await vcExport.buildVcFromContent(
Expand All @@ -197,68 +200,43 @@ async function main() {
schemaUri: schemaUri,
},
);

console.log("VC asset creation complete", newCredContent);

let vc = await vcExport.addProof(
newCredContent,
async (data) => ({
signature: await issuerKeys.assertionMethod.sign(data),
keyType: issuerKeys.assertionMethod.type,
keyUri: `${issuerDid.uri}${
issuerDid.assertionMethod![0].id
}` as Cord.DidResourceUri,
}),
issuerDid,
{ spaceUri: space.uri, schemaUri, needSDR: false, needStatementProof: false },
);
console.dir(vc, {
depth: null,
colors: true,
});

console.log(`\n❄️ Asset Properties - Created by Issuer `);
console.dir(assetProperties, {
depth: null,
colors: true,
});

// const assetEntry = await Cord.Asset.buildFromAssetProperties(
// assetProperties,
// issuerDid.uri,
// space.uri,
console.log("\n❄️ Asset Verifiable Credential Document created \n", newCredContent);

/* TODO: Fix addProof dependency issue by implementing the methods requiring api locally */
// let vc = await vcExport.addProof(
// newCredContent,
// async (data) => ({
// signature: await issuerKeys.assertionMethod.sign(data),
// keyType: issuerKeys.assertionMethod.type,
// keyUri: `${issuerDid.uri}${
// issuerDid.assertionMethod![0].id
// }` as Cord.DidResourceUri,
// }),
// issuerDid,
// { spaceUri: space.uri, schemaUri, needSDR: false, needStatementProof: false },
// );

console.log("\n ** VC Asset Create Entry to chain ** \n",
{
"entry": {
assetQty: assetProperties.assetQty,
digest: vc.credentialHash,
authorizationId: uriToIdentifier(space.authorization),
}});

/* TODO: Build assetEntryUri from vcExport library */
const assetEntryUri = await buildAssetUri(assetProperties, issuerDid.uri, space.uri, api);
// console.dir(vc, {
// depth: null,
// colors: true,
// });

const assetVcEntry = await buildFromAssetVcProperties(newCredContent.credentialHash, issuerDid.uri, space.uri, api);

const extrinsic = await Cord.Asset.dispatchCreateVcToChain(
assetProperties.assetQty,
vc.credentialHash,
vc.issuer,
newCredContent.credentialHash,
newCredContent.issuer,
networkAuthorityIdentity,
space.authorization,
//assetEntry.uri,
assetVcEntry.uri,
extSignCallback,
)
console.log("\n✅ VC Asset created on-chain!");

console.log("\n ✅ VC Asset created!");

console.log("Pring vc asset", vc);

// Step 3: Issue Asset to Holder
// Step 6: Issue Asset to Holder
console.log(`\n❄️ Issue Asset to Holder - Issuer Action `);
const assetIssuance = await Cord.Asset.buildFromIssueProperties(
//assetEntry.uri,
assetEntryUri,
assetVcEntry.uri,
holderDid.uri,
1,
issuerDid.uri,
Expand All @@ -277,7 +255,7 @@ async function main() {
extSignCallback,
)

// Step 4: Transfer Asset to New Owner
// Step 7: Transfer Asset to New Owner
console.log(`\n❄️ Transfer Asset to New Owner (Holder2) - Holder Action `);

const assetTransfer = await Cord.Asset.buildFromTransferProperties(
Expand All @@ -300,7 +278,7 @@ async function main() {
}),
)

console.log("✅ Asset transferred!");
console.log("✅ Asset transferred!");
}
main()
.then(() => console.log("\nBye! 👋 👋 👋 "))
Expand Down
6 changes: 3 additions & 3 deletions packages/asset/src/Asset.chain.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -84,9 +84,9 @@ export async function dispatchCreateVcToChain(
creator: DidUri,
authorAccount: CordKeyringPair,
authorizationUri: AuthorizationUri,
//assetEntryUri: AssetUri,
assetEntryUri: AssetUri,
signCallback: SignExtrinsicCallback
): Promise<any> {
): Promise<AssetUri> {
try {
const api = ConfigService.get('api')
const authorizationId: AuthorizationId = uriToIdentifier(authorizationUri)
Expand All @@ -106,7 +106,7 @@ export async function dispatchCreateVcToChain(

await Chain.signAndSubmitTx(extrinsic, authorAccount)

return null
return assetEntryUri
} catch (error) {
const errorMessage =
error instanceof Error ? error.message : JSON.stringify(error)
Expand Down
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