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Adding assertions in private data js app (#365)

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Adding assertions in js app, for CI pipeline testing
  Improved readability

Signed-off-by: Sijo Cherian <sijo@ibm.com>

Co-authored-by: Sijo Cherian <sijo@ibm.com>
This commit is contained in:
Sijo Cherian 2020-11-04 10:34:33 -05:00 committed by GitHub
parent 33adb8d164
commit e7c74060f3
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1 changed files with 94 additions and 17 deletions
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111
asset-transfer-private-data/application-javascript/app.js
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@ -22,6 +22,11 @@ const mspOrg1 = 'Org1MSP';
const mspOrg2 = 'Org2MSP';
const Org1UserId = 'appUser1';
const Org2UserId = 'appUser2';
const userOrg1IdentityString = `x509::CN=${Org1UserId},OU=client+OU=org1+OU=department1::CN=ca.org1.example.com,O=org1.example.com,L=Durham,ST=North Carolina,C=US`;
const userOrg2IdentityString = `x509::CN=${Org2UserId},OU=client+OU=org2+OU=department1::CN=ca.org2.example.com,O=org2.example.com,L=Hursley,ST=Hampshire,C=UK`;
const RED = '\x1b[31m\n';
const RESET = '\x1b[0m';
function prettyJSONString(inputString) {
if (inputString) {
@ -32,6 +37,67 @@ function prettyJSONString(inputString) {
}
}
function doFail(msgString) {
console.error(`${RED}\t${msgString}${RESET}`);
process.exit(1);
}
function verifyAssetData(org, resultBuffer, expectedId, color, size, owner, appraisedValue) {
let asset;
if (resultBuffer) {
asset = JSON.parse(resultBuffer.toString('utf8'));
} else {
doFail('Failed to read asset');
}
console.log(`*** verify asset data for: ${expectedId}`);
if (!asset) {
doFail('Received empty asset');
}
if (expectedId !== asset.assetID) {
doFail(`recieved asset ${asset.assetID} , but expected ${expectedId}`);
}
if (asset.color !== color) {
doFail(`asset ${asset.assetID} has color of ${asset.color}, expected value ${color}`);
}
if (asset.size !== size) {
doFail(`Failed size check - asset ${asset.assetID} has size of ${asset.size}, expected value ${size}`);
}
let assetsOwner = Buffer.from(asset.owner, 'base64').toString();
if (assetsOwner === owner) {
console.log(`\tasset ${asset.assetID} owner: ${assetsOwner}`);
} else {
doFail(`Failed owner check from ${org} - asset ${asset.assetID} owned by ${assetsOwner}, expected value ${owner}`);
}
if (appraisedValue) {
if (asset.appraisedValue !== appraisedValue) {
doFail(`Failed appraised value check from ${org} - asset ${asset.assetID} has appraised value of ${asset.appraisedValue}, expected value ${appraisedValue}`);
}
}
}
function verifyAssetPrivateDetails(resultBuffer, expectedId, appraisedValue) {
let assetPD;
if (resultBuffer) {
assetPD = JSON.parse(resultBuffer.toString('utf8'));
} else {
doFail('Failed to read asset private details');
}
console.log(`*** verify private details: ${expectedId}`);
if (!assetPD) {
doFail('Received empty data');
}
if (expectedId !== assetPD.assetID) {
doFail(`recieved ${assetPD.assetID} , but expected ${expectedId}`);
}
if (appraisedValue) {
if (assetPD.appraisedValue !== appraisedValue) {
doFail(`Failed appraised value check - asset ${assetPD.assetID} has appraised value of ${assetPD.appraisedValue}, expected value ${appraisedValue}`);
}
}
}
async function initContractFromOrg1Identity() {
console.log('\n--> Fabric client user & Gateway init: Using Org1 identity to Org1 Peer');
// build an in memory object with the network configuration (also known as a connection profile)
@ -115,8 +181,10 @@ async function main() {
try {
// Sample transactions are listed below
// Add few sample Assets & transfers one of the asset from Org1 to Org2 as the new owner
let assetID1 = 'asset1';
let assetID2 = 'asset2';
let randomNumber = Math.floor(Math.random() * 1000) + 1;
// use a random key so that we can run multiple times
let assetID1 = `asset${randomNumber}`;
let assetID2 = `asset${randomNumber + 1}`;
const assetType = 'ValuableAsset';
let result;
let asset1Data = { objectType: assetType, assetID: assetID1, color: 'green', size: 20, appraisedValue: 100 };
@ -146,12 +214,15 @@ async function main() {
console.log('\n--> Evaluate Transaction: GetAssetByRange asset0-asset9');
// GetAssetByRange returns assets on the ledger with ID in the range of startKey (inclusive) and endKey (exclusive)
result = await contractOrg1.evaluateTransaction('GetAssetByRange', 'asset0', 'asset9');
console.log(' result: ' + prettyJSONString(result.toString()));
console.log(`<-- result: ${prettyJSONString(result.toString())}`);
if (!result || result.length === 0) {
doFail('recieved empty query list for GetAssetByRange');
}
console.log('\n--> Evaluate Transaction: ReadAssetPrivateDetails from ' + org1PrivateCollectionName);
// ReadAssetPrivateDetails reads data from Org's private collection. Args: collectionName, assetID
result = await contractOrg1.evaluateTransaction('ReadAssetPrivateDetails', org1PrivateCollectionName, assetID1);
console.log(' result: ' + prettyJSONString(result.toString()));
console.log(`<-- result: ${prettyJSONString(result.toString())}`);
verifyAssetPrivateDetails(result, assetID1, 100);
// Attempt Transfer the asset to Org2 , without Org2 adding AgreeToTransfer //
// Transaction should return an error: "failed transfer verification ..."
@ -171,9 +242,9 @@ async function main() {
console.log('\n~~~~~~~~~~~~~~~~ As Org2 Client ~~~~~~~~~~~~~~~~');
console.log('\n--> Evaluate Transaction: ReadAsset ' + assetID1);
result = await contractOrg2.evaluateTransaction('ReadAsset', assetID1);
console.log(' result: ' + prettyJSONString(result.toString()));
let assetOwner = JSON.parse(result.toString()).owner;
console.log(' Asset owner: ' + Buffer.from(assetOwner, 'base64').toString());
console.log(`<-- result: ${prettyJSONString(result.toString())}`);
verifyAssetData(mspOrg2, result, assetID1, 'green', 20, userOrg1IdentityString);
// Org2 cannot ReadAssetPrivateDetails from Org1's private collection due to Collection policy
// Will fail: await contractOrg2.evaluateTransaction('ReadAssetPrivateDetails', org1PrivateCollectionName, assetID1);
@ -203,7 +274,7 @@ async function main() {
// All members can send txn ReadTransferAgreement, set by Org2 above
console.log('\n--> Evaluate Transaction: ReadTransferAgreement ' + assetID1);
result = await contractOrg1.evaluateTransaction('ReadTransferAgreement', assetID1);
console.log(' result: ' + prettyJSONString(result.toString()));
console.log(`<-- result: ${prettyJSONString(result.toString())}`);
// Transfer the asset to Org2 //
// To transfer the asset, the owner needs to pass the MSP ID of new asset owner, and initiate the transfer
@ -219,19 +290,21 @@ async function main() {
//Again ReadAsset : results will show that the buyer identity now owns the asset:
console.log('\n--> Evaluate Transaction: ReadAsset ' + assetID1);
result = await contractOrg1.evaluateTransaction('ReadAsset', assetID1);
console.log(' result: ' + prettyJSONString(result.toString()));
assetOwner = JSON.parse(result.toString()).owner;
console.log(' Asset owner: ' + Buffer.from(assetOwner, 'base64').toString());
console.log(`<-- result: ${prettyJSONString(result.toString())}`);
verifyAssetData(mspOrg1, result, assetID1, 'green', 20, userOrg2IdentityString);
//Confirm that transfer removed the private details from the Org1 collection:
console.log('\n--> Evaluate Transaction: ReadAssetPrivateDetails');
// ReadAssetPrivateDetails reads data from Org's private collection: Should return empty
result = await contractOrg1.evaluateTransaction('ReadAssetPrivateDetails', org1PrivateCollectionName, assetID1);
console.log(' result: ' + prettyJSONString(result.toString()));
console.log(`<-- result: ${prettyJSONString(result.toString())}`);
if (result && result.length > 0) {
doFail('Expected empty data from ReadAssetPrivateDetails');
}
console.log('\n--> Evaluate Transaction: ReadAsset ' + assetID2);
result = await contractOrg1.evaluateTransaction('ReadAsset', assetID2);
console.log(' result: ' + prettyJSONString(result.toString()));
console.log(`<-- result: ${prettyJSONString(result.toString())}`);
verifyAssetData(mspOrg1, result, assetID2, 'blue', 35, userOrg1IdentityString);
console.log('\n********* Demo deleting asset **************');
let dataForDelete = { assetID: assetID2 };
@ -259,13 +332,17 @@ async function main() {
console.log('\n--> Evaluate Transaction: ReadAsset ' + assetID2);
result = await contractOrg1.evaluateTransaction('ReadAsset', assetID2);
console.log(' result: ' + prettyJSONString(result.toString()));
console.log(`<-- result: ${prettyJSONString(result.toString())}`);
if (result && result.length > 0) {
doFail('Expected empty read, after asset is deleted');
}
console.log('\n~~~~~~~~~~~~~~~~ As Org2 Client ~~~~~~~~~~~~~~~~');
// Org2 can ReadAssetPrivateDetails: Org2 is owner, and private details exist in new owner's Collection
console.log('\n--> Evaluate Transaction as Org2: ReadAssetPrivateDetails ' + assetID1 + ' from ' + org2PrivateCollectionName);
result = await contractOrg2.evaluateTransaction('ReadAssetPrivateDetails', org2PrivateCollectionName, assetID1);
console.log(' result: ' + prettyJSONString(result.toString()));
console.log(`<-- result: ${prettyJSONString(result.toString())}`);
verifyAssetPrivateDetails(result, assetID1, 100);
} finally {
// Disconnect from the gateway peer when all work for this client identity is complete
gatewayOrg1.disconnect();