src/auction.test.ts

@@ -12,29 +12,24 @@ jest.setTimeout(30 * 60 * 1000);
 const { chainId, rpcEndpoint, gqlEndpoint, privateKey, fee } = getConfig();
 
 const duration = 60;
-
+const commitsDuration = Duration.fromPartial({ seconds: Long.fromNumber(60) });
-const commitsDuration = Duration.fromPartial({
+const revealsDuration = Duration.fromPartial({ seconds: Long.fromNumber(60) });
-  seconds: Long.fromNumber(duration),
-  nanos: 0
-});
-const revealsDuration = Duration.fromPartial({
-  seconds: Long.fromNumber(duration),
-  nanos: 0
-});
 
 const commitFee = coin('1000', DENOM);
 const revealFee = coin('1000', DENOM);
 
 const creatorInitialBalance = 1000000000000;
 const bidderInitialBalance = 20000000;
+const lowestBidAmount = 10000000;
 
-const createAuctionTests = () => {
+const auctionTests = () => {
   let registry: Registry;
   let auctionId: string;
 
-  let auctionCreatorAccount: { address: string, privateKey: string, bid?: any };
+  let auctionCreatorAccount: { address: string, privateKey: string };
   let bidderAccounts: { address: string, privateKey: string, bid?: any }[] = [];
 
+  const numBidders = 3;
   let bidAmounts: Coin[] = [];
 
   beforeAll(async () => {
@@ -44,31 +39,36 @@ const createAuctionTests = () => {
     const mnenonic1 = Account.generateMnemonic();
     const auctionCreator = await Account.generateFromMnemonic(mnenonic1);
     await auctionCreator.init();
+
     await registry.sendCoins({ denom: DENOM, amount: creatorInitialBalance.toString(), destinationAddress: auctionCreator.address }, privateKey, fee);
     auctionCreatorAccount = { address: auctionCreator.address, privateKey: auctionCreator.privateKey.toString('hex') };
   });
 
   test('Setup bidder accounts', async () => {
-    for (let i = 0; i < 3; i++) {
+    for (let i = 0; i < numBidders; i++) {
       const mnenonic = Account.generateMnemonic();
       const account = await Account.generateFromMnemonic(mnenonic);
       await account.init();
+
       await registry.sendCoins({ denom: DENOM, amount: bidderInitialBalance.toString(), destinationAddress: account.address }, privateKey, fee);
       bidderAccounts.push({ address: account.address, privateKey: account.privateKey.toString('hex') });
     }
   });
 
-  test('Create vickrey auction', async () => {
+  test('Create a vickrey auction', async () => {
     const minimumBid = coin('1000000', DENOM);
 
-    const auction = await registry.createAuction({
+    const auction = await registry.createAuction(
+      {
         commitsDuration,
         revealsDuration,
         commitFee,
         revealFee,
         minimumBid
       },
-    auctionCreatorAccount.privateKey, fee);
+      auctionCreatorAccount.privateKey,
+      fee
+    );
 
     expect(auction.auction?.id).toBeDefined();
     auctionId = auction.auction?.id || '';
@@ -76,8 +76,8 @@ const createAuctionTests = () => {
   });
 
   test('Commit bids.', async () => {
-    for (let i = 0; i < 3; i++) {
+    for (let i = 0; i < numBidders; i++) {
-      bidAmounts.push(coin((10000000 + (i * 500)).toString(), DENOM));
+      bidAmounts.push(coin((lowestBidAmount + (i * 500)).toString(), DENOM));
       bidderAccounts[i].bid = await createBid(chainId, auctionId, bidderAccounts[i].address, `${bidAmounts[i].amount}${bidAmounts[i].denom}`);
       await registry.commitBid({ auctionId, commitHash: bidderAccounts[i].bid.commitHash }, bidderAccounts[i].privateKey, fee);
     }
@@ -101,7 +101,7 @@ const createAuctionTests = () => {
     const [auction] = await registry.getAuctionsByIds([auctionId]);
     expect(auction.status).toEqual('reveal');
 
-    for (let i = 0; i < 3; i++) {
+    for (let i = 0; i < numBidders; i++) {
       await registry.revealBid({ auctionId, reveal: bidderAccounts[i].bid.revealString }, bidderAccounts[i].privateKey, fee);
     }
   });
@@ -129,33 +129,35 @@ const createAuctionTests = () => {
     expect(auction.status).toEqual('completed');
 
     const highestBidder = bidderAccounts[bidderAccounts.length - 1];
-    const secondHighestBidder = (bidderAccounts[bidderAccounts.length - 2]);
+    const secondHighestBidder = bidderAccounts[bidderAccounts.length - 2];
+
+    expect(auction.winnerAddresses).toHaveLength(1);
 
     expect(auction.winnerAddresses[0]).toEqual(highestBidder.address);
     expect(highestBidder.bid.reveal.bidAmount).toEqual(`${auction.winnerBids[0].quantity}${auction.winnerBids[0].type}`);
     expect(secondHighestBidder.bid.reveal.bidAmount).toEqual(`${auction.winnerPrice.quantity}${auction.winnerPrice.type}`);
 
-    const winningPriceAmount = parseInt(auction.winnerPrice.quantity, 10);
+    const winningPriceAmount = parseInt(auction.winnerPrice.quantity);
-    const expectedBalance = (bidderInitialBalance - winningPriceAmount);
 
     const [winnerAccountObj] = await registry.getAccounts([highestBidder.address]);
     expect(winnerAccountObj).toBeDefined();
-    expect(winnerAccountObj.address).toBe(highestBidder.address);
 
+    // Balance should be less than bidder's initial balance - winning price as tx fees also gets deducted
     const [{ type, quantity }] = winnerAccountObj.balance;
-
     expect(type).toBe(DENOM);
-    expect(parseInt(quantity)).toBeLessThan(expectedBalance);
+    expect(parseInt(quantity)).toBeLessThan(bidderInitialBalance - winningPriceAmount);
   });
 };
 
-const createProviderAuctionTests = () => {
+const providerAuctionTests = () => {
   let registry: Registry;
   let auctionId: string;
 
   let auctionCreatorAccount: { address: string, privateKey: string, bid?: any };
   let bidderAccounts: { address: string, privateKey: string, bid?: any }[] = [];
 
+  const numBidders = 4;
+  const numProviders = 3;
   let bidAmounts: Coin[] = [];
 
   beforeAll(async () => {
@@ -165,32 +167,36 @@ const createProviderAuctionTests = () => {
     const mnenonic1 = Account.generateMnemonic();
     const auctionCreator = await Account.generateFromMnemonic(mnenonic1);
     await auctionCreator.init();
+
     await registry.sendCoins({ denom: DENOM, amount: creatorInitialBalance.toString(), destinationAddress: auctionCreator.address }, privateKey, fee);
     auctionCreatorAccount = { address: auctionCreator.address, privateKey: auctionCreator.privateKey.toString('hex') };
   });
 
   test('Setup bidder accounts', async () => {
-    for (let i = 0; i < 4; i++) {
+    for (let i = 0; i < numBidders; i++) {
       const mnenonic = Account.generateMnemonic();
       const account = await Account.generateFromMnemonic(mnenonic);
       await account.init();
+
       await registry.sendCoins({ denom: DENOM, amount: bidderInitialBalance.toString(), destinationAddress: account.address }, privateKey, fee);
       bidderAccounts.push({ address: account.address, privateKey: account.privateKey.toString('hex') });
     }
   });
 
-  test('Create provider auction', async () => {
+  test('Create a provider auction', async () => {
-    const maxPrice = coin('100000000', DENOM);
+    const maxPrice = coin((10 * lowestBidAmount).toString(), DENOM);
 
-    const auction = await registry.createProviderAuction({
+    const auction = await registry.createProviderAuction(
+      {
         commitsDuration,
         revealsDuration,
         commitFee,
         revealFee,
         maxPrice,
-      numProviders: 3
+        numProviders
       },
-    auctionCreatorAccount.privateKey, fee);
+      auctionCreatorAccount.privateKey, fee
+    );
 
     expect(auction.auction?.id).toBeDefined();
     auctionId = auction.auction?.id || '';
@@ -198,15 +204,15 @@ const createProviderAuctionTests = () => {
   });
 
   test('Commit bids.', async () => {
-    for (let i = 0; i < 4; i++) {
+    for (let i = 0; i < numBidders; i++) {
-      bidAmounts.push(coin((100000 + (i * 500)).toString(), DENOM));
+      bidAmounts.push(coin((lowestBidAmount + (i * 500)).toString(), DENOM));
       bidderAccounts[i].bid = await createBid(chainId, auctionId, bidderAccounts[i].address, `${bidAmounts[i].amount}${bidAmounts[i].denom}`);
       await registry.commitBid({ auctionId, commitHash: bidderAccounts[i].bid.commitHash }, bidderAccounts[i].privateKey, fee);
     }
 
     const [auction] = await registry.getAuctionsByIds([auctionId]);
     expect(auction.status).toEqual('commit');
-    expect(auction.bids.length).toEqual(3);
+    expect(auction.bids.length).toEqual(numBidders);
     auction.bids.forEach((bid: any) => {
       expect(bid.status).toEqual('commit');
     });
@@ -223,7 +229,7 @@ const createProviderAuctionTests = () => {
     const [auction] = await registry.getAuctionsByIds([auctionId]);
     expect(auction.status).toEqual('reveal');
 
-    for (let i = 0; i < 4; i++) {
+    for (let i = 0; i < numBidders; i++) {
       await registry.revealBid({ auctionId, reveal: bidderAccounts[i].bid.revealString }, bidderAccounts[i].privateKey, fee);
     }
   });
@@ -250,51 +256,49 @@ const createProviderAuctionTests = () => {
     const [auction] = await registry.getAuctionsByIds([auctionId]);
     expect(auction.status).toEqual('completed');
 
-    const bidWinners = bidderAccounts.slice(0, 3);
+    const bidWinners = bidderAccounts.slice(0, numProviders);
+    const bidLosers = bidderAccounts.slice(numProviders, numBidders);
 
     // Check balances of auction winners
     for (let i = 0; i < bidWinners.length; i++) {
-      const winner = bidWinners[i];
+      const expectedWinner = bidWinners[i];
 
-      expect(auction.winnerAddresses[i]).toEqual(winner.address);
+      expect(auction.winnerAddresses[i]).toEqual(expectedWinner.address);
-      expect(winner.bid.reveal.bidAmount).toEqual(`${auction.winnerBids[i].quantity}${auction.winnerBids[i].type}`);
+      expect(expectedWinner.bid.reveal.bidAmount).toEqual(`${auction.winnerBids[i].quantity}${auction.winnerBids[i].type}`);
 
-      const [winnerAccountObj] = await registry.getAccounts([winner.address]);
+      const [winnerAccountObj] = await registry.getAccounts([expectedWinner.address]);
       expect(winnerAccountObj).toBeDefined();
-      expect(winnerAccountObj.address).toBe(winner.address);
 
       const [{ type, quantity }] = winnerAccountObj.balance;
-      const winningBidAmount = parseInt(auction.winnerPrice.quantity, 10);
+      const actualBalance = parseInt(quantity);
-      const expectedBalance = bidderInitialBalance + winningBidAmount;
+      const winningBidAmount = parseInt(auction.winnerPrice.quantity);
 
-      // The actual balance would be less than expected balance as fees would also get deducted
+      // Balance should be more than bidder's initial balance but
+      // less than initial balance + winning price as tx fees also gets deducted
       expect(type).toBe(DENOM);
-      expect(expectedBalance).toBeLessThan(parseInt(quantity));
+      expect(actualBalance).toBeGreaterThan(bidderInitialBalance);
+      expect(actualBalance).toBeLessThan(bidderInitialBalance + winningBidAmount);
     }
 
     // Check balances of non-winners
-    for (let i = 3; i < bidderAccounts.length; i++) {
+    for (const bidder of bidLosers) {
-      const bidder = bidderAccounts[i];
-
       const [bidderAccountObj] = await registry.getAccounts([bidder.address]);
       expect(bidderAccountObj).toBeDefined();
-      expect(bidderAccountObj.address).toBe(bidder.address);
 
       const [{ type, quantity }] = bidderAccountObj.balance;
 
-      // The balance would be less than initial balance as fees would get deducted
+      // Balance should be less than initial balance as fees would get deducted
       expect(type).toBe(DENOM);
       expect(parseInt(quantity)).toBeLessThan(bidderInitialBalance);
     }
 
     const [creatorAccountObj] = await registry.getAccounts([auctionCreatorAccount.address]);
     expect(creatorAccountObj).toBeDefined();
-    expect(creatorAccountObj.address).toBe(auctionCreatorAccount.address);
 
     const [{ type, quantity }] = creatorAccountObj.balance;
 
-    const totalWinningAmount = parseInt(auction.winnerPrice.quantity, 10) * bidWinners.length;
+    const totalWinningAmount = parseInt(auction.winnerPrice.quantity) * bidWinners.length;
-    const expectedCreatorBalance = creatorInitialBalance + totalWinningAmount;
+    const expectedCreatorBalance = creatorInitialBalance - totalWinningAmount;
 
     // The balance would be less than expected balance
     expect(type).toBe(DENOM);
@@ -302,5 +306,5 @@ const createProviderAuctionTests = () => {
   });
 };
 
-describe('Vickrey Auction', () => createAuctionTests());
+describe('Vickrey Auction', () => auctionTests());
-describe('Provider Auction', () => createProviderAuctionTests());
+describe('Provider Auction', () => providerAuctionTests());

src/index.ts

@@ -33,8 +33,8 @@ import { Coin } from './proto/cosmos/base/v1beta1/coin';
 import { MsgCancelBondResponse, MsgCreateBondResponse, MsgRefillBondResponse, MsgWithdrawBondResponse } from './proto/cerc/bond/v1/tx';
 import { MsgOnboardParticipantResponse } from './proto/cerc/onboarding/v1/tx';
 import { MsgSendResponse } from './proto/cosmos/bank/v1beta1/tx';
-import { DEFAULT_GAS_ESTIMATION_MULTIPLIER } from './constants';
+import { AUCTION_KIND_PROVIDER, AUCTION_KIND_VICKREY, DEFAULT_GAS_ESTIMATION_MULTIPLIER } from './constants';
-import { MsgCreateAuction, MsgCreateAuctionResponse } from './proto/cerc/auction/v1/tx';
+import { MsgCreateAuctionResponse } from './proto/cerc/auction/v1/tx';
 
 /**
  * Create an auction bid.
@@ -503,7 +503,8 @@ export class Registry {
     );
   }
 
-  async createAuction ({
+  async createAuction (
+    {
       commitsDuration,
       revealsDuration,
       commitFee,
@@ -511,14 +512,15 @@ export class Registry {
       minimumBid
     }: MsgCreateVickreyAuction,
     privateKey: string,
-  fee: StdFee | number = DEFAULT_GAS_ESTIMATION_MULTIPLIER): Promise<MsgCreateAuctionResponse> {
+    fee: StdFee | number = DEFAULT_GAS_ESTIMATION_MULTIPLIER
+  ): Promise<MsgCreateAuctionResponse> {
     const account = new Account(Buffer.from(privateKey, 'hex'));
     await account.init();
     const laconicClient = await this.getLaconicClient(account);
 
     return laconicClient.createAuction(
       account.address,
-      'vickrey',
+      AUCTION_KIND_VICKREY,
       commitsDuration,
       revealsDuration,
       commitFee,
@@ -530,7 +532,8 @@ export class Registry {
     );
   }
 
-  async createProviderAuction ({
+  async createProviderAuction (
+    {
       commitsDuration,
       revealsDuration,
       commitFee,
@@ -539,14 +542,15 @@ export class Registry {
       numProviders
     }: MsgCreateProviderAuction,
     privateKey: string,
-  fee: StdFee | number = DEFAULT_GAS_ESTIMATION_MULTIPLIER): Promise<MsgCreateAuctionResponse> {
+    fee: StdFee | number = DEFAULT_GAS_ESTIMATION_MULTIPLIER
+  ): Promise<MsgCreateAuctionResponse> {
     const account = new Account(Buffer.from(privateKey, 'hex'));
     await account.init();
     const laconicClient = await this.getLaconicClient(account);
 
     return laconicClient.createAuction(
       account.address,
-      'provider',
+      AUCTION_KIND_PROVIDER,
       commitsDuration,
       revealsDuration,
       commitFee,

src/laconic-client.ts

@@ -431,13 +431,13 @@ export class LaconicClient extends SigningStargateClient {
     const createAuctionMsg: MsgCreateAuctionEncodeObject = {
       typeUrl: typeUrlMsgCreateAuction,
       value: {
+        signer,
+        kind,
         commitsDuration,
         revealsDuration,
         commitFee,
         revealFee,
         minimumBid,
-        signer,
-        kind,
         maxPrice,
         numProviders
       }