git.delta.rocks / unique-network / refs/commits / 9d3564ef2b56

difftreelog

chore add transfer event for `burn` and `create_multiple_items`

Grigoriy Simonov2022-08-03parent: #bb6d71b.patch.diff
in: master

3 files changed

modifiedpallets/refungible/src/lib.rsdiffbeforeafterboth
--- a/pallets/refungible/src/lib.rs
+++ b/pallets/refungible/src/lib.rs
@@ -399,6 +399,7 @@
 
 	pub fn burn_token_unchecked(
 		collection: &RefungibleHandle<T>,
+		owner: &T::CrossAccountId,
 		token_id: TokenId,
 	) -> DispatchResult {
 		let burnt = <TokensBurnt<T>>::get(collection.id)
@@ -411,7 +412,15 @@
 		<TotalSupply<T>>::remove((collection.id, token_id));
 		<Balance<T>>::remove_prefix((collection.id, token_id), None);
 		<Allowance<T>>::remove_prefix((collection.id, token_id), None);
-		// TODO: ERC721 transfer event
+
+		<PalletEvm<T>>::deposit_log(
+			ERC721Events::Transfer {
+				from: *owner.as_eth(),
+				to: H160::default(),
+				token_id: token_id.into(),
+			}
+			.to_log(collection_id_to_address(collection.id)),
+		);
 		Ok(())
 	}
 
@@ -453,12 +462,12 @@
 			<Owned<T>>::remove((collection.id, owner, token));
 			<PalletStructure<T>>::unnest_if_nested(owner, collection.id, token);
 			<AccountBalance<T>>::insert((collection.id, owner), account_balance);
-			Self::burn_token_unchecked(collection, token)?;
+			Self::burn_token_unchecked(collection, owner, token)?;
 			<PalletEvm<T>>::deposit_log(
-				ERC721Events::Transfer {
+				ERC20Events::Transfer {
 					from: *owner.as_eth(),
 					to: H160::default(),
-					token_id: token.into(),
+					value: amount.into(),
 				}
 				.to_log(collection_id_to_address(collection.id)),
 			);
@@ -490,6 +499,17 @@
 			<PalletStructure<T>>::unnest_if_nested(owner, collection.id, token);
 			<Balance<T>>::remove((collection.id, token, owner));
 			<AccountBalance<T>>::insert((collection.id, owner), account_balance);
+
+			if let Some(user) = Self::token_owner(collection.id, token) {
+				<PalletEvm<T>>::deposit_log(
+					ERC721Events::Transfer {
+						from: erc::ADDRESS_FOR_PARTIALLY_OWNED_TOKENS,
+						to: *user.as_eth(),
+						token_id: token.into(),
+					}
+					.to_log(collection_id_to_address(collection.id)),
+				);
+			}
 		} else {
 			<Balance<T>>::insert((collection.id, token, owner), balance);
 		}
@@ -981,30 +1001,46 @@
 		for (i, token) in data.into_iter().enumerate() {
 			let token_id = first_token_id + i as u32 + 1;
 
-			for (user, amount) in token.users.into_iter() {
-				if amount == 0 {
-					continue;
-				}
+			let receivers = token
+				.users
+				.into_iter()
+				.filter(|(_, amount)| *amount > 0)
+				.collect::<Vec<_>>();
 
+			if let [(user, _)] = receivers.as_slice() {
+				// if there is exactly one receiver
 				<PalletEvm<T>>::deposit_log(
-					ERC20Events::Transfer {
+					ERC721Events::Transfer {
 						from: H160::default(),
 						to: *user.as_eth(),
-						value: amount.into(),
+						token_id: token_id.into(),
 					}
-					.to_log(T::EvmTokenAddressMapping::token_to_address(
-						collection.id,
-						TokenId(token_id),
-					)),
+					.to_log(collection_id_to_address(collection.id)),
 				);
+			} else if let [_, ..] = receivers.as_slice() {
+				// if there is more than one receiver
 				<PalletEvm<T>>::deposit_log(
 					ERC721Events::Transfer {
 						from: H160::default(),
-						to: *user.as_eth(),
+						to: erc::ADDRESS_FOR_PARTIALLY_OWNED_TOKENS,
 						token_id: token_id.into(),
 					}
 					.to_log(collection_id_to_address(collection.id)),
 				);
+			}
+
+			for (user, amount) in receivers.into_iter() {
+				<PalletEvm<T>>::deposit_log(
+					ERC20Events::Transfer {
+						from: H160::default(),
+						to: *user.as_eth(),
+						value: amount.into(),
+					}
+					.to_log(T::EvmTokenAddressMapping::token_to_address(
+						collection.id,
+						TokenId(token_id),
+					)),
+				);
 				<PalletCommon<T>>::deposit_event(CommonEvent::ItemCreated(
 					collection.id,
 					TokenId(token_id),
modifiedtests/src/eth/reFungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/reFungible.test.ts
+++ b/tests/src/eth/reFungible.test.ts
@@ -15,7 +15,7 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 import {createCollectionExpectSuccess, transfer, UNIQUE} from '../util/helpers';
-import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, evmCollection, evmCollectionHelpers, GAS_ARGS, getCollectionAddressFromResult, itWeb3, normalizeEvents, recordEthFee, tokenIdToAddress} from './util/helpers';
+import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, evmCollection, evmCollectionHelpers, GAS_ARGS, getCollectionAddressFromResult, itWeb3, normalizeEvents, recordEthFee, recordEvents, tokenIdToAddress} from './util/helpers';
 import reFungibleAbi from './reFungibleAbi.json';
 import reFungibleTokenAbi from './reFungibleTokenAbi.json';
 import {expect} from 'chai';
@@ -224,8 +224,7 @@
     {
       const result = await contract.methods.burn(tokenId).send();
       const events = normalizeEvents(result.events);
-
-      expect(events).to.be.deep.equal([
+      expect(events).to.include.deep.members([
         {
           address: collectionIdAddress,
           event: 'Transfer',
@@ -333,10 +332,8 @@
     await tokenContract.methods.repartition(2).send();
     await tokenContract.methods.transfer(receiver, 1).send();
 
-    let transfer;
-    contract.events.Transfer({}, function(_error: any, event: any){ transfer = event;});
-    await tokenContract.methods.transfer(receiver, 1).send();
-    const events = normalizeEvents([transfer]);
+    const events =  await recordEvents(contract, async () => 
+      await tokenContract.methods.transfer(receiver, 1).send());
     expect(events).to.deep.equal([
       {
         address: collectionIdAddress,
@@ -366,11 +363,9 @@
 
     await tokenContract.methods.repartition(2).send();
     
-    let transfer;
-    contract.events.Transfer({}, function(_error: any, event: any){ transfer = event;});
-    await tokenContract.methods.transfer(receiver, 1).send();
-
-    const events = normalizeEvents([transfer]);
+    const events =  await recordEvents(contract, async () => 
+      await tokenContract.methods.transfer(receiver, 1).send());
+      
     expect(events).to.deep.equal([
       {
         address: collectionIdAddress,
modifiedtests/src/eth/reFungibleToken.test.tsdiffbeforeafterboth
before · tests/src/eth/reFungibleToken.test.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617import {approve, createCollection, createRefungibleToken, transfer, transferFrom, UNIQUE} from '../util/helpers';18import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, evmCollection, evmCollectionHelpers, GAS_ARGS, getCollectionAddressFromResult, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, tokenIdToAddress, transferBalanceToEth} from './util/helpers';19import reFungibleTokenAbi from './reFungibleTokenAbi.json';2021import chai from 'chai';22import chaiAsPromised from 'chai-as-promised';23chai.use(chaiAsPromised);24const expect = chai.expect;2526describe('Refungible token: Information getting', () => {27  itWeb3('totalSupply', async ({api, web3, privateKeyWrapper}) => {28    const alice = privateKeyWrapper('//Alice');2930    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;3132    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);3334    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: caller})).itemId;3536    const address = tokenIdToAddress(collectionId, tokenId);37    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: caller, ...GAS_ARGS});38    const totalSupply = await contract.methods.totalSupply().call();3940    expect(totalSupply).to.equal('200');41  });4243  itWeb3('balanceOf', async ({api, web3, privateKeyWrapper}) => {44    const alice = privateKeyWrapper('//Alice');4546    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;4748    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);4950    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: caller})).itemId;5152    const address = tokenIdToAddress(collectionId, tokenId);53    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: caller, ...GAS_ARGS});54    const balance = await contract.methods.balanceOf(caller).call();5556    expect(balance).to.equal('200');57  });5859  itWeb3('decimals', async ({api, web3, privateKeyWrapper}) => {60    const alice = privateKeyWrapper('//Alice');6162    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;6364    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);6566    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: caller})).itemId;6768    const address = tokenIdToAddress(collectionId, tokenId);69    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: caller, ...GAS_ARGS});70    const decimals = await contract.methods.decimals().call();7172    expect(decimals).to.equal('0');73  });74});7576// FIXME: Need erc721 for ReFubgible.77describe('Check ERC721 token URI for ReFungible', () => {78  itWeb3('Empty tokenURI', async ({web3, api, privateKeyWrapper}) => {79    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);80    const helper = evmCollectionHelpers(web3, owner);81    let result = await helper.methods.createERC721MetadataCompatibleCollection('Mint collection', '1', '1', '').send();82    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);83    const receiver = createEthAccount(web3);84    const contract = evmCollection(web3, owner, collectionIdAddress, {type: 'ReFungible'});85    86    const nextTokenId = await contract.methods.nextTokenId().call();87    expect(nextTokenId).to.be.equal('1');88    result = await contract.methods.mint(89      receiver,90      nextTokenId,91    ).send();9293    const events = normalizeEvents(result.events);94    const address = collectionIdToAddress(collectionId);9596    expect(events).to.be.deep.equal([97      {98        address,99        event: 'Transfer',100        args: {101          from: '0x0000000000000000000000000000000000000000',102          to: receiver,103          tokenId: nextTokenId,104        },105      },106    ]);107108    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('');109  });110111  itWeb3('TokenURI from url', async ({web3, api, privateKeyWrapper}) => {112    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);113    const helper = evmCollectionHelpers(web3, owner);114    let result = await helper.methods.createERC721MetadataCompatibleCollection('Mint collection', '1', '1', 'BaseURI_').send();115    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);116    const receiver = createEthAccount(web3);117    const contract = evmCollection(web3, owner, collectionIdAddress, {type: 'ReFungible'});118    119    const nextTokenId = await contract.methods.nextTokenId().call();120    expect(nextTokenId).to.be.equal('1');121    result = await contract.methods.mint(122      receiver,123      nextTokenId,124    ).send();125    126    // Set URL127    await contract.methods.setProperty(nextTokenId, 'url', Buffer.from('Token URI')).send();128      129    const events = normalizeEvents(result.events);130    const address = collectionIdToAddress(collectionId);131132    expect(events).to.be.deep.equal([133      {134        address,135        event: 'Transfer',136        args: {137          from: '0x0000000000000000000000000000000000000000',138          to: receiver,139          tokenId: nextTokenId,140        },141      },142    ]);143144    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('Token URI');145  });146147  itWeb3('TokenURI from baseURI + tokenId', async ({web3, api, privateKeyWrapper}) => {148    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);149    const helper = evmCollectionHelpers(web3, owner);150    let result = await helper.methods.createERC721MetadataCompatibleCollection('Mint collection', '1', '1', 'BaseURI_').send();151    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);152    const receiver = createEthAccount(web3);153    const contract = evmCollection(web3, owner, collectionIdAddress, {type: 'ReFungible'});154    155    const nextTokenId = await contract.methods.nextTokenId().call();156    expect(nextTokenId).to.be.equal('1');157    result = await contract.methods.mint(158      receiver,159      nextTokenId,160    ).send();161          162    const events = normalizeEvents(result.events);163    const address = collectionIdToAddress(collectionId);164165    expect(events).to.be.deep.equal([166      {167        address,168        event: 'Transfer',169        args: {170          from: '0x0000000000000000000000000000000000000000',171          to: receiver,172          tokenId: nextTokenId,173        },174      },175    ]);176177    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('BaseURI_' + nextTokenId);178  });179180  itWeb3('TokenURI from baseURI + suffix', async ({web3, api, privateKeyWrapper}) => {181    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);182    const helper = evmCollectionHelpers(web3, owner);183    let result = await helper.methods.createERC721MetadataCompatibleCollection('Mint collection', '1', '1', 'BaseURI_').send();184    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);185    const receiver = createEthAccount(web3);186    const contract = evmCollection(web3, owner, collectionIdAddress, {type: 'ReFungible'});187    188    const nextTokenId = await contract.methods.nextTokenId().call();189    expect(nextTokenId).to.be.equal('1');190    result = await contract.methods.mint(191      receiver,192      nextTokenId,193    ).send();194          195    // Set suffix196    const suffix = '/some/suffix';197    await contract.methods.setProperty(nextTokenId, 'suffix', Buffer.from(suffix)).send();198199    const events = normalizeEvents(result.events);200    const address = collectionIdToAddress(collectionId);201202    expect(events).to.be.deep.equal([203      {204        address,205        event: 'Transfer',206        args: {207          from: '0x0000000000000000000000000000000000000000',208          to: receiver,209          tokenId: nextTokenId,210        },211      },212    ]);213214    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('BaseURI_' + suffix);215  });216});217218describe('Refungible: Plain calls', () => {219  itWeb3('Can perform approve()', async ({web3, api, privateKeyWrapper}) => {220    const alice = privateKeyWrapper('//Alice');221222    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;223224    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);225226    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;227228    const address = tokenIdToAddress(collectionId, tokenId);229230    const spender = createEthAccount(web3);231232    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});233234    {235      const result = await contract.methods.approve(spender, 100).send({from: owner});236      const events = normalizeEvents(result.events);237238      expect(events).to.be.deep.equal([239        {240          address,241          event: 'Approval',242          args: {243            owner,244            spender,245            value: '100',246          },247        },248      ]);249    }250251    {252      const allowance = await contract.methods.allowance(owner, spender).call();253      expect(+allowance).to.equal(100);254    }255  });256257  itWeb3('Can perform transferFrom()', async ({web3, api, privateKeyWrapper}) => {258    const alice = privateKeyWrapper('//Alice');259260    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;261262    const owner = createEthAccount(web3);263    await transferBalanceToEth(api, alice, owner);264265    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;266267    const spender = createEthAccount(web3);268    await transferBalanceToEth(api, alice, spender);269270    const receiver = createEthAccount(web3);271272    const address = tokenIdToAddress(collectionId, tokenId);273    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});274275    await contract.methods.approve(spender, 100).send();276277    {278      const result = await contract.methods.transferFrom(owner, receiver, 49).send({from: spender});279      const events = normalizeEvents(result.events);280      expect(events).to.be.deep.equal([281        {282          address,283          event: 'Transfer',284          args: {285            from: owner,286            to: receiver,287            value: '49',288          },289        },290        {291          address,292          event: 'Approval',293          args: {294            owner,295            spender,296            value: '51',297          },298        },299      ]);300    }301302    {303      const balance = await contract.methods.balanceOf(receiver).call();304      expect(+balance).to.equal(49);305    }306307    {308      const balance = await contract.methods.balanceOf(owner).call();309      expect(+balance).to.equal(151);310    }311  });312313  itWeb3('Can perform transfer()', async ({web3, api, privateKeyWrapper}) => {314    const alice = privateKeyWrapper('//Alice');315316    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;317318    const owner = createEthAccount(web3);319    await transferBalanceToEth(api, alice, owner);320321    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;322323    const receiver = createEthAccount(web3);324    await transferBalanceToEth(api, alice, receiver);325326    const address = tokenIdToAddress(collectionId, tokenId);327    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});328329    {330      const result = await contract.methods.transfer(receiver, 50).send({from: owner});331      const events = normalizeEvents(result.events);332      expect(events).to.be.deep.equal([333        {334          address,335          event: 'Transfer',336          args: {337            from: owner,338            to: receiver,339            value: '50',340          },341        },342      ]);343    }344345    {346      const balance = await contract.methods.balanceOf(owner).call();347      expect(+balance).to.equal(150);348    }349350    {351      const balance = await contract.methods.balanceOf(receiver).call();352      expect(+balance).to.equal(50);353    }354  });355356  itWeb3('Can perform repartition()', async ({web3, api, privateKeyWrapper}) => {357    const alice = privateKeyWrapper('//Alice');358359    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;360361    const owner = createEthAccount(web3);362    await transferBalanceToEth(api, alice, owner);363364    const receiver = createEthAccount(web3);365    await transferBalanceToEth(api, alice, receiver);366367    const tokenId = (await createRefungibleToken(api, alice, collectionId, 100n, {Ethereum: owner})).itemId;368369    const address = tokenIdToAddress(collectionId, tokenId);370    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});371372    await contract.methods.repartition(200).send({from: owner});373    expect(+await contract.methods.balanceOf(owner).call()).to.be.equal(200);374    await contract.methods.transfer(receiver, 110).send({from: owner});375    expect(+await contract.methods.balanceOf(owner).call()).to.be.equal(90);376    expect(+await contract.methods.balanceOf(receiver).call()).to.be.equal(110);377    378    await expect(contract.methods.repartition(80).send({from: owner})).to.eventually.be.rejected;379380    await contract.methods.transfer(receiver, 90).send({from: owner});381    expect(+await contract.methods.balanceOf(owner).call()).to.be.equal(0);382    expect(+await contract.methods.balanceOf(receiver).call()).to.be.equal(200);383384    await contract.methods.repartition(150).send({from: receiver});385    await expect(contract.methods.transfer(owner, 160).send({from: receiver})).to.eventually.be.rejected;386    expect(+await contract.methods.balanceOf(receiver).call()).to.be.equal(150);387  });388389  itWeb3('Can repartition with increased amount', async ({web3, api, privateKeyWrapper}) => {390    const alice = privateKeyWrapper('//Alice');391392    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;393394    const owner = createEthAccount(web3);395    await transferBalanceToEth(api, alice, owner);396397    const tokenId = (await createRefungibleToken(api, alice, collectionId, 100n, {Ethereum: owner})).itemId;398399    const address = tokenIdToAddress(collectionId, tokenId);400    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});401402    const result = await contract.methods.repartition(200).send();403    const events = normalizeEvents(result.events);404405    expect(events).to.deep.equal([406      {407        address,408        event: 'Transfer',409        args: {410          from: '0x0000000000000000000000000000000000000000',411          to: owner,412          value: '100',413        },414      },415    ]);416  });417418  itWeb3('Can repartition with decreased amount', async ({web3, api, privateKeyWrapper}) => {419    const alice = privateKeyWrapper('//Alice');420421    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;422423    const owner = createEthAccount(web3);424    await transferBalanceToEth(api, alice, owner);425426    const tokenId = (await createRefungibleToken(api, alice, collectionId, 100n, {Ethereum: owner})).itemId;427428    const address = tokenIdToAddress(collectionId, tokenId);429    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});430431    const result = await contract.methods.repartition(50).send();432    const events = normalizeEvents(result.events);433    expect(events).to.deep.equal([434      {435        address,436        event: 'Transfer',437        args: {438          from: owner,439          to: '0x0000000000000000000000000000000000000000',440          value: '50',441        },442      },443    ]);444  });445});446447describe('Refungible: Fees', () => {448  itWeb3('approve() call fee is less than 0.2UNQ', async ({web3, api, privateKeyWrapper}) => {449    const alice = privateKeyWrapper('//Alice');450451    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;452453    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);454    const spender = createEthAccount(web3);455456    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;457458    const address = tokenIdToAddress(collectionId, tokenId);459    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});460461    const cost = await recordEthFee(api, owner, () => contract.methods.approve(spender, 100).send({from: owner}));462    expect(cost < BigInt(0.2 * Number(UNIQUE)));463  });464465  itWeb3('transferFrom() call fee is less than 0.2UNQ', async ({web3, api, privateKeyWrapper}) => {466    const alice = privateKeyWrapper('//Alice');467468    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;469470    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);471    const spender = await createEthAccountWithBalance(api, web3, privateKeyWrapper);472473    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;474475    const address = tokenIdToAddress(collectionId, tokenId);476    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});477478    await contract.methods.approve(spender, 100).send({from: owner});479480    const cost = await recordEthFee(api, spender, () => contract.methods.transferFrom(owner, spender, 100).send({from: spender}));481    expect(cost < BigInt(0.2 * Number(UNIQUE)));482  });483484  itWeb3('transfer() call fee is less than 0.2UNQ', async ({web3, api, privateKeyWrapper}) => {485    const alice = privateKeyWrapper('//Alice');486487    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;488489    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);490    const receiver = createEthAccount(web3);491492    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;493494    const address = tokenIdToAddress(collectionId, tokenId);495    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});496497    const cost = await recordEthFee(api, owner, () => contract.methods.transfer(receiver, 100).send({from: owner}));498    expect(cost < BigInt(0.2 * Number(UNIQUE)));499  });500});501502describe('Refungible: Substrate calls', () => {503  itWeb3('Events emitted for approve()', async ({web3, api, privateKeyWrapper}) => {504    const alice = privateKeyWrapper('//Alice');505506    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;507508    const receiver = createEthAccount(web3);509510    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n)).itemId;511512    const address = tokenIdToAddress(collectionId, tokenId);513    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address);514515    const events = await recordEvents(contract, async () => {516      expect(await approve(api, collectionId, tokenId, alice, {Ethereum: receiver}, 100n)).to.be.true;517    });518519    expect(events).to.be.deep.equal([520      {521        address,522        event: 'Approval',523        args: {524          owner: subToEth(alice.address),525          spender: receiver,526          value: '100',527        },528      },529    ]);530  });531532  itWeb3('Events emitted for transferFrom()', async ({web3, api, privateKeyWrapper}) => {533    const alice = privateKeyWrapper('//Alice');534535    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;536    const bob = privateKeyWrapper('//Bob');537538    const receiver = createEthAccount(web3);539540    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n)).itemId;541    expect(await approve(api, collectionId, tokenId, alice, bob.address, 100n)).to.be.true;542543    const address = tokenIdToAddress(collectionId, tokenId);544    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address);545546    const events = await recordEvents(contract, async () => {547      expect(await transferFrom(api, collectionId, tokenId, bob, alice, {Ethereum: receiver},  51n)).to.be.true;548    });549550    expect(events).to.be.deep.equal([551      {552        address,553        event: 'Transfer',554        args: {555          from: subToEth(alice.address),556          to: receiver,557          value: '51',558        },559      },560      {561        address,562        event: 'Approval',563        args: {564          owner: subToEth(alice.address),565          spender: subToEth(bob.address),566          value: '49',567        },568      },569    ]);570  });571572  itWeb3('Events emitted for transfer()', async ({web3, api, privateKeyWrapper}) => {573    const alice = privateKeyWrapper('//Alice');574575    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;576577    const receiver = createEthAccount(web3);578579    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n)).itemId;580581    const address = tokenIdToAddress(collectionId, tokenId);582    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address);583584    const events = await recordEvents(contract, async () => {585      expect(await transfer(api, collectionId, tokenId, alice, {Ethereum: receiver},  51n)).to.be.true;586    });587588    expect(events).to.be.deep.equal([589      {590        address,591        event: 'Transfer',592        args: {593          from: subToEth(alice.address),594          to: receiver,595          value: '51',596        },597      },598    ]);599  });600});
after · tests/src/eth/reFungibleToken.test.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617import {approve, createCollection, createRefungibleToken, transfer, transferFrom, UNIQUE} from '../util/helpers';18import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, evmCollection, evmCollectionHelpers, GAS_ARGS, getCollectionAddressFromResult, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, tokenIdToAddress, transferBalanceToEth} from './util/helpers';19import reFungibleTokenAbi from './reFungibleTokenAbi.json';2021import chai from 'chai';22import chaiAsPromised from 'chai-as-promised';23chai.use(chaiAsPromised);24const expect = chai.expect;2526describe('Refungible token: Information getting', () => {27  itWeb3('totalSupply', async ({api, web3, privateKeyWrapper}) => {28    const alice = privateKeyWrapper('//Alice');2930    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;3132    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);3334    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: caller})).itemId;3536    const address = tokenIdToAddress(collectionId, tokenId);37    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: caller, ...GAS_ARGS});38    const totalSupply = await contract.methods.totalSupply().call();3940    expect(totalSupply).to.equal('200');41  });4243  itWeb3('balanceOf', async ({api, web3, privateKeyWrapper}) => {44    const alice = privateKeyWrapper('//Alice');4546    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;4748    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);4950    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: caller})).itemId;5152    const address = tokenIdToAddress(collectionId, tokenId);53    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: caller, ...GAS_ARGS});54    const balance = await contract.methods.balanceOf(caller).call();5556    expect(balance).to.equal('200');57  });5859  itWeb3('decimals', async ({api, web3, privateKeyWrapper}) => {60    const alice = privateKeyWrapper('//Alice');6162    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;6364    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);6566    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: caller})).itemId;6768    const address = tokenIdToAddress(collectionId, tokenId);69    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: caller, ...GAS_ARGS});70    const decimals = await contract.methods.decimals().call();7172    expect(decimals).to.equal('0');73  });74});7576// FIXME: Need erc721 for ReFubgible.77describe('Check ERC721 token URI for ReFungible', () => {78  itWeb3('Empty tokenURI', async ({web3, api, privateKeyWrapper}) => {79    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);80    const helper = evmCollectionHelpers(web3, owner);81    let result = await helper.methods.createERC721MetadataCompatibleCollection('Mint collection', '1', '1', '').send();82    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);83    const receiver = createEthAccount(web3);84    const contract = evmCollection(web3, owner, collectionIdAddress, {type: 'ReFungible'});85    86    const nextTokenId = await contract.methods.nextTokenId().call();87    expect(nextTokenId).to.be.equal('1');88    result = await contract.methods.mint(89      receiver,90      nextTokenId,91    ).send();9293    const events = normalizeEvents(result.events);94    const address = collectionIdToAddress(collectionId);9596    expect(events).to.be.deep.equal([97      {98        address,99        event: 'Transfer',100        args: {101          from: '0x0000000000000000000000000000000000000000',102          to: receiver,103          tokenId: nextTokenId,104        },105      },106    ]);107108    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('');109  });110111  itWeb3('TokenURI from url', async ({web3, api, privateKeyWrapper}) => {112    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);113    const helper = evmCollectionHelpers(web3, owner);114    let result = await helper.methods.createERC721MetadataCompatibleCollection('Mint collection', '1', '1', 'BaseURI_').send();115    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);116    const receiver = createEthAccount(web3);117    const contract = evmCollection(web3, owner, collectionIdAddress, {type: 'ReFungible'});118    119    const nextTokenId = await contract.methods.nextTokenId().call();120    expect(nextTokenId).to.be.equal('1');121    result = await contract.methods.mint(122      receiver,123      nextTokenId,124    ).send();125    126    // Set URL127    await contract.methods.setProperty(nextTokenId, 'url', Buffer.from('Token URI')).send();128      129    const events = normalizeEvents(result.events);130    const address = collectionIdToAddress(collectionId);131132    expect(events).to.be.deep.equal([133      {134        address,135        event: 'Transfer',136        args: {137          from: '0x0000000000000000000000000000000000000000',138          to: receiver,139          tokenId: nextTokenId,140        },141      },142    ]);143144    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('Token URI');145  });146147  itWeb3('TokenURI from baseURI + tokenId', async ({web3, api, privateKeyWrapper}) => {148    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);149    const helper = evmCollectionHelpers(web3, owner);150    let result = await helper.methods.createERC721MetadataCompatibleCollection('Mint collection', '1', '1', 'BaseURI_').send();151    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);152    const receiver = createEthAccount(web3);153    const contract = evmCollection(web3, owner, collectionIdAddress, {type: 'ReFungible'});154    155    const nextTokenId = await contract.methods.nextTokenId().call();156    expect(nextTokenId).to.be.equal('1');157    result = await contract.methods.mint(158      receiver,159      nextTokenId,160    ).send();161          162    const events = normalizeEvents(result.events);163    const address = collectionIdToAddress(collectionId);164165    expect(events).to.be.deep.equal([166      {167        address,168        event: 'Transfer',169        args: {170          from: '0x0000000000000000000000000000000000000000',171          to: receiver,172          tokenId: nextTokenId,173        },174      },175    ]);176177    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('BaseURI_' + nextTokenId);178  });179180  itWeb3('TokenURI from baseURI + suffix', async ({web3, api, privateKeyWrapper}) => {181    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);182    const helper = evmCollectionHelpers(web3, owner);183    let result = await helper.methods.createERC721MetadataCompatibleCollection('Mint collection', '1', '1', 'BaseURI_').send();184    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);185    const receiver = createEthAccount(web3);186    const contract = evmCollection(web3, owner, collectionIdAddress, {type: 'ReFungible'});187    188    const nextTokenId = await contract.methods.nextTokenId().call();189    expect(nextTokenId).to.be.equal('1');190    result = await contract.methods.mint(191      receiver,192      nextTokenId,193    ).send();194          195    // Set suffix196    const suffix = '/some/suffix';197    await contract.methods.setProperty(nextTokenId, 'suffix', Buffer.from(suffix)).send();198199    const events = normalizeEvents(result.events);200    const address = collectionIdToAddress(collectionId);201202    expect(events).to.be.deep.equal([203      {204        address,205        event: 'Transfer',206        args: {207          from: '0x0000000000000000000000000000000000000000',208          to: receiver,209          tokenId: nextTokenId,210        },211      },212    ]);213214    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('BaseURI_' + suffix);215  });216});217218describe('Refungible: Plain calls', () => {219  itWeb3('Can perform approve()', async ({web3, api, privateKeyWrapper}) => {220    const alice = privateKeyWrapper('//Alice');221222    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;223224    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);225226    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;227228    const address = tokenIdToAddress(collectionId, tokenId);229230    const spender = createEthAccount(web3);231232    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});233234    {235      const result = await contract.methods.approve(spender, 100).send({from: owner});236      const events = normalizeEvents(result.events);237238      expect(events).to.be.deep.equal([239        {240          address,241          event: 'Approval',242          args: {243            owner,244            spender,245            value: '100',246          },247        },248      ]);249    }250251    {252      const allowance = await contract.methods.allowance(owner, spender).call();253      expect(+allowance).to.equal(100);254    }255  });256257  itWeb3('Can perform transferFrom()', async ({web3, api, privateKeyWrapper}) => {258    const alice = privateKeyWrapper('//Alice');259260    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;261262    const owner = createEthAccount(web3);263    await transferBalanceToEth(api, alice, owner);264265    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;266267    const spender = createEthAccount(web3);268    await transferBalanceToEth(api, alice, spender);269270    const receiver = createEthAccount(web3);271272    const address = tokenIdToAddress(collectionId, tokenId);273    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});274275    await contract.methods.approve(spender, 100).send();276277    {278      const result = await contract.methods.transferFrom(owner, receiver, 49).send({from: spender});279      const events = normalizeEvents(result.events);280      expect(events).to.include.deep.members([281        {282          address,283          event: 'Transfer',284          args: {285            from: owner,286            to: receiver,287            value: '49',288          },289        },290        {291          address,292          event: 'Approval',293          args: {294            owner,295            spender,296            value: '51',297          },298        },299      ]);300    }301302    {303      const balance = await contract.methods.balanceOf(receiver).call();304      expect(+balance).to.equal(49);305    }306307    {308      const balance = await contract.methods.balanceOf(owner).call();309      expect(+balance).to.equal(151);310    }311  });312313  itWeb3('Can perform transfer()', async ({web3, api, privateKeyWrapper}) => {314    const alice = privateKeyWrapper('//Alice');315316    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;317318    const owner = createEthAccount(web3);319    await transferBalanceToEth(api, alice, owner);320321    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;322323    const receiver = createEthAccount(web3);324    await transferBalanceToEth(api, alice, receiver);325326    const address = tokenIdToAddress(collectionId, tokenId);327    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});328329    {330      const result = await contract.methods.transfer(receiver, 50).send({from: owner});331      const events = normalizeEvents(result.events);332      expect(events).to.include.deep.members([333        {334          address,335          event: 'Transfer',336          args: {337            from: owner,338            to: receiver,339            value: '50',340          },341        },342      ]);343    }344345    {346      const balance = await contract.methods.balanceOf(owner).call();347      expect(+balance).to.equal(150);348    }349350    {351      const balance = await contract.methods.balanceOf(receiver).call();352      expect(+balance).to.equal(50);353    }354  });355356  itWeb3('Can perform repartition()', async ({web3, api, privateKeyWrapper}) => {357    const alice = privateKeyWrapper('//Alice');358359    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;360361    const owner = createEthAccount(web3);362    await transferBalanceToEth(api, alice, owner);363364    const receiver = createEthAccount(web3);365    await transferBalanceToEth(api, alice, receiver);366367    const tokenId = (await createRefungibleToken(api, alice, collectionId, 100n, {Ethereum: owner})).itemId;368369    const address = tokenIdToAddress(collectionId, tokenId);370    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});371372    await contract.methods.repartition(200).send({from: owner});373    expect(+await contract.methods.balanceOf(owner).call()).to.be.equal(200);374    await contract.methods.transfer(receiver, 110).send({from: owner});375    expect(+await contract.methods.balanceOf(owner).call()).to.be.equal(90);376    expect(+await contract.methods.balanceOf(receiver).call()).to.be.equal(110);377    378    await expect(contract.methods.repartition(80).send({from: owner})).to.eventually.be.rejected;379380    await contract.methods.transfer(receiver, 90).send({from: owner});381    expect(+await contract.methods.balanceOf(owner).call()).to.be.equal(0);382    expect(+await contract.methods.balanceOf(receiver).call()).to.be.equal(200);383384    await contract.methods.repartition(150).send({from: receiver});385    await expect(contract.methods.transfer(owner, 160).send({from: receiver})).to.eventually.be.rejected;386    expect(+await contract.methods.balanceOf(receiver).call()).to.be.equal(150);387  });388389  itWeb3('Can repartition with increased amount', async ({web3, api, privateKeyWrapper}) => {390    const alice = privateKeyWrapper('//Alice');391392    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;393394    const owner = createEthAccount(web3);395    await transferBalanceToEth(api, alice, owner);396397    const tokenId = (await createRefungibleToken(api, alice, collectionId, 100n, {Ethereum: owner})).itemId;398399    const address = tokenIdToAddress(collectionId, tokenId);400    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});401402    const result = await contract.methods.repartition(200).send();403    const events = normalizeEvents(result.events);404405    expect(events).to.deep.equal([406      {407        address,408        event: 'Transfer',409        args: {410          from: '0x0000000000000000000000000000000000000000',411          to: owner,412          value: '100',413        },414      },415    ]);416  });417418  itWeb3('Can repartition with decreased amount', async ({web3, api, privateKeyWrapper}) => {419    const alice = privateKeyWrapper('//Alice');420421    const collectionId = (await createCollection(api, alice, {name: 'token name', mode: {type: 'ReFungible'}})).collectionId;422423    const owner = createEthAccount(web3);424    await transferBalanceToEth(api, alice, owner);425426    const tokenId = (await createRefungibleToken(api, alice, collectionId, 100n, {Ethereum: owner})).itemId;427428    const address = tokenIdToAddress(collectionId, tokenId);429    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});430431    const result = await contract.methods.repartition(50).send();432    const events = normalizeEvents(result.events);433    expect(events).to.deep.equal([434      {435        address,436        event: 'Transfer',437        args: {438          from: owner,439          to: '0x0000000000000000000000000000000000000000',440          value: '50',441        },442      },443    ]);444  });445446  itWeb3('Receiving Transfer event on burning into full ownership', async ({web3, api, privateKeyWrapper}) => {447    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);448    const receiver = await createEthAccountWithBalance(api, web3, privateKeyWrapper);449    const helper = evmCollectionHelpers(web3, caller);450    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();451    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);452    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});453454    const tokenId = await contract.methods.nextTokenId().call();455    await contract.methods.mint(caller, tokenId).send();456457    const address = tokenIdToAddress(collectionId, tokenId);458459    const tokenContract =  new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: caller, ...GAS_ARGS});460    await tokenContract.methods.repartition(2).send();461    await tokenContract.methods.transfer(receiver, 1).send();462463    const events =  await recordEvents(contract, async () => 464      await tokenContract.methods.burnFrom(caller, 1).send());465    expect(events).to.deep.equal([466      {467        address: collectionIdAddress,468        event: 'Transfer',469        args: {470          from: '0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF',471          to: receiver,472          tokenId,473        },474      },475    ]);476  });477});478479describe('Refungible: Fees', () => {480  itWeb3('approve() call fee is less than 0.2UNQ', async ({web3, api, privateKeyWrapper}) => {481    const alice = privateKeyWrapper('//Alice');482483    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;484485    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);486    const spender = createEthAccount(web3);487488    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;489490    const address = tokenIdToAddress(collectionId, tokenId);491    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});492493    const cost = await recordEthFee(api, owner, () => contract.methods.approve(spender, 100).send({from: owner}));494    expect(cost < BigInt(0.2 * Number(UNIQUE)));495  });496497  itWeb3('transferFrom() call fee is less than 0.2UNQ', async ({web3, api, privateKeyWrapper}) => {498    const alice = privateKeyWrapper('//Alice');499500    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;501502    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);503    const spender = await createEthAccountWithBalance(api, web3, privateKeyWrapper);504505    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;506507    const address = tokenIdToAddress(collectionId, tokenId);508    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});509510    await contract.methods.approve(spender, 100).send({from: owner});511512    const cost = await recordEthFee(api, spender, () => contract.methods.transferFrom(owner, spender, 100).send({from: spender}));513    expect(cost < BigInt(0.2 * Number(UNIQUE)));514  });515516  itWeb3('transfer() call fee is less than 0.2UNQ', async ({web3, api, privateKeyWrapper}) => {517    const alice = privateKeyWrapper('//Alice');518519    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;520521    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);522    const receiver = createEthAccount(web3);523524    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n, {Ethereum: owner})).itemId;525526    const address = tokenIdToAddress(collectionId, tokenId);527    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: owner, ...GAS_ARGS});528529    const cost = await recordEthFee(api, owner, () => contract.methods.transfer(receiver, 100).send({from: owner}));530    expect(cost < BigInt(0.2 * Number(UNIQUE)));531  });532});533534describe('Refungible: Substrate calls', () => {535  itWeb3('Events emitted for approve()', async ({web3, api, privateKeyWrapper}) => {536    const alice = privateKeyWrapper('//Alice');537538    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;539540    const receiver = createEthAccount(web3);541542    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n)).itemId;543544    const address = tokenIdToAddress(collectionId, tokenId);545    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address);546547    const events = await recordEvents(contract, async () => {548      expect(await approve(api, collectionId, tokenId, alice, {Ethereum: receiver}, 100n)).to.be.true;549    });550551    expect(events).to.be.deep.equal([552      {553        address,554        event: 'Approval',555        args: {556          owner: subToEth(alice.address),557          spender: receiver,558          value: '100',559        },560      },561    ]);562  });563564  itWeb3('Events emitted for transferFrom()', async ({web3, api, privateKeyWrapper}) => {565    const alice = privateKeyWrapper('//Alice');566567    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;568    const bob = privateKeyWrapper('//Bob');569570    const receiver = createEthAccount(web3);571572    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n)).itemId;573    expect(await approve(api, collectionId, tokenId, alice, bob.address, 100n)).to.be.true;574575    const address = tokenIdToAddress(collectionId, tokenId);576    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address);577578    const events = await recordEvents(contract, async () => {579      expect(await transferFrom(api, collectionId, tokenId, bob, alice, {Ethereum: receiver},  51n)).to.be.true;580    });581582    expect(events).to.be.deep.equal([583      {584        address,585        event: 'Transfer',586        args: {587          from: subToEth(alice.address),588          to: receiver,589          value: '51',590        },591      },592      {593        address,594        event: 'Approval',595        args: {596          owner: subToEth(alice.address),597          spender: subToEth(bob.address),598          value: '49',599        },600      },601    ]);602  });603604  itWeb3('Events emitted for transfer()', async ({web3, api, privateKeyWrapper}) => {605    const alice = privateKeyWrapper('//Alice');606607    const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;608609    const receiver = createEthAccount(web3);610611    const tokenId = (await createRefungibleToken(api, alice, collectionId, 200n)).itemId;612613    const address = tokenIdToAddress(collectionId, tokenId);614    const contract = new web3.eth.Contract(reFungibleTokenAbi as any, address);615616    const events = await recordEvents(contract, async () => {617      expect(await transfer(api, collectionId, tokenId, alice, {Ethereum: receiver},  51n)).to.be.true;618    });619620    expect(events).to.be.deep.equal([621      {622        address,623        event: 'Transfer',624        args: {625          from: subToEth(alice.address),626          to: receiver,627          value: '51',628        },629      },630    ]);631  });632});