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
before · tests/src/eth/reFungible.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 {createCollectionExpectSuccess, transfer, UNIQUE} from '../util/helpers';18import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, evmCollection, evmCollectionHelpers, GAS_ARGS, getCollectionAddressFromResult, itWeb3, normalizeEvents, recordEthFee, tokenIdToAddress} from './util/helpers';19import reFungibleAbi from './reFungibleAbi.json';20import reFungibleTokenAbi from './reFungibleTokenAbi.json';21import {expect} from 'chai';2223describe('Refungible: Information getting', () => {24  itWeb3('totalSupply', async ({api, web3, privateKeyWrapper}) => {25    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);26    const helper = evmCollectionHelpers(web3, caller);27    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();28    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);29    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});30    const nextTokenId = await contract.methods.nextTokenId().call();31    await contract.methods.mint(caller, nextTokenId).send();32    const totalSupply = await contract.methods.totalSupply().call();33    expect(totalSupply).to.equal('1');34  });3536  itWeb3('balanceOf', async ({api, web3, privateKeyWrapper}) => {37    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);38    const helper = evmCollectionHelpers(web3, caller);39    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();40    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);41    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});4243    {44      const nextTokenId = await contract.methods.nextTokenId().call();45      await contract.methods.mint(caller, nextTokenId).send();46    }47    {48      const nextTokenId = await contract.methods.nextTokenId().call();49      await contract.methods.mint(caller, nextTokenId).send();50    }51    {52      const nextTokenId = await contract.methods.nextTokenId().call();53      await contract.methods.mint(caller, nextTokenId).send();54    }5556    const balance = await contract.methods.balanceOf(caller).call();5758    expect(balance).to.equal('3');59  });6061  itWeb3('ownerOf', async ({api, web3, privateKeyWrapper}) => {62    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);63    const helper = evmCollectionHelpers(web3, caller);64    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();65    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);66    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});6768    const tokenId = await contract.methods.nextTokenId().call();69    await contract.methods.mint(caller, tokenId).send();7071    const owner = await contract.methods.ownerOf(tokenId).call();7273    expect(owner).to.equal(caller);74  });7576  itWeb3('ownerOf after burn', async ({api, web3, privateKeyWrapper}) => {77    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);78    const receiver = createEthAccount(web3);79    const helper = evmCollectionHelpers(web3, caller);80    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();81    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);82    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});8384    const tokenId = await contract.methods.nextTokenId().call();85    await contract.methods.mint(caller, tokenId).send();8687    const tokenAddress = tokenIdToAddress(collectionId, tokenId);88    const tokenContract = new web3.eth.Contract(reFungibleTokenAbi as any, tokenAddress, {from: caller, ...GAS_ARGS});8990    await tokenContract.methods.repartition(2).send();91    await tokenContract.methods.transfer(receiver, 1).send();9293    await tokenContract.methods.burnFrom(caller, 1).send();9495    const owner = await contract.methods.ownerOf(tokenId).call();9697    expect(owner).to.equal(receiver);98  });99100  itWeb3('ownerOf for partial ownership', async ({api, web3, privateKeyWrapper}) => {101    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);102    const receiver = createEthAccount(web3);103    const helper = evmCollectionHelpers(web3, caller);104    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();105    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);106    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});107108    const tokenId = await contract.methods.nextTokenId().call();109    await contract.methods.mint(caller, tokenId).send();110111    const tokenAddress = tokenIdToAddress(collectionId, tokenId);112    const tokenContract = new web3.eth.Contract(reFungibleTokenAbi as any, tokenAddress, {from: caller, ...GAS_ARGS});113114    await tokenContract.methods.repartition(2).send();115    await tokenContract.methods.transfer(receiver, 1).send();116117    const owner = await contract.methods.ownerOf(tokenId).call();118119    expect(owner).to.equal('0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF');120  });121});122123describe('Refungible: Plain calls', () => {124  itWeb3('Can perform mint()', async ({web3, api, privateKeyWrapper}) => {125    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);126    const helper = evmCollectionHelpers(web3, owner);127    let result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();128    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);129    const receiver = createEthAccount(web3);130    const contract = evmCollection(web3, owner, collectionIdAddress, {type: 'ReFungible'});131    const nextTokenId = await contract.methods.nextTokenId().call();132133    expect(nextTokenId).to.be.equal('1');134    result = await contract.methods.mintWithTokenURI(135      receiver,136      nextTokenId,137      'Test URI',138    ).send();139140    const events = normalizeEvents(result.events);141142    expect(events).to.include.deep.members([143      {144        address: collectionIdAddress,145        event: 'Transfer',146        args: {147          from: '0x0000000000000000000000000000000000000000',148          to: receiver,149          tokenId: nextTokenId,150        },151      },152    ]);153154    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('Test URI');155  });156157  itWeb3('Can perform mintBulk()', async ({web3, api, privateKeyWrapper}) => {158    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);159    const helper = evmCollectionHelpers(web3, caller);160    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();161    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);162    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});163164    const receiver = createEthAccount(web3);165166    {167      const nextTokenId = await contract.methods.nextTokenId().call();168      expect(nextTokenId).to.be.equal('1');169      const result = await contract.methods.mintBulkWithTokenURI(170        receiver,171        [172          [nextTokenId, 'Test URI 0'],173          [+nextTokenId + 1, 'Test URI 1'],174          [+nextTokenId + 2, 'Test URI 2'],175        ],176      ).send();177      const events = normalizeEvents(result.events);178179      expect(events).to.include.deep.members([180        {181          address: collectionIdAddress,182          event: 'Transfer',183          args: {184            from: '0x0000000000000000000000000000000000000000',185            to: receiver,186            tokenId: nextTokenId,187          },188        },189        {190          address: collectionIdAddress,191          event: 'Transfer',192          args: {193            from: '0x0000000000000000000000000000000000000000',194            to: receiver,195            tokenId: String(+nextTokenId + 1),196          },197        },198        {199          address: collectionIdAddress,200          event: 'Transfer',201          args: {202            from: '0x0000000000000000000000000000000000000000',203            to: receiver,204            tokenId: String(+nextTokenId + 2),205          },206        },207      ]);208209      expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('Test URI 0');210      expect(await contract.methods.tokenURI(+nextTokenId + 1).call()).to.be.equal('Test URI 1');211      expect(await contract.methods.tokenURI(+nextTokenId + 2).call()).to.be.equal('Test URI 2');212    }213  });214215  itWeb3('Can perform burn()', async ({web3, api, privateKeyWrapper}) => {216    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);217    const helper = evmCollectionHelpers(web3, caller);218    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();219    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);220    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});221222    const tokenId = await contract.methods.nextTokenId().call();223    await contract.methods.mint(caller, tokenId).send();224    {225      const result = await contract.methods.burn(tokenId).send();226      const events = normalizeEvents(result.events);227228      expect(events).to.be.deep.equal([229        {230          address: collectionIdAddress,231          event: 'Transfer',232          args: {233            from: caller,234            to: '0x0000000000000000000000000000000000000000',235            tokenId: tokenId.toString(),236          },237        },238      ]);239    }240  });241242  itWeb3('Can perform transferFrom()', async ({web3, api, privateKeyWrapper}) => {243    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);244    const helper = evmCollectionHelpers(web3, caller);245    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();246    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);247    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});248249    const receiver = createEthAccount(web3);250251    const tokenId = await contract.methods.nextTokenId().call();252    await contract.methods.mint(caller, tokenId).send();253    {254      const result = await contract.methods.transferFrom(caller, receiver, tokenId).send();255      const events = normalizeEvents(result.events);256      expect(events).to.include.deep.members([257        {258          address: collectionIdAddress,259          event: 'Transfer',260          args: {261            from: caller,262            to: receiver,263            tokenId: tokenId.toString(),264          },265        },266      ]);267    }268269    {270      const balance = await contract.methods.balanceOf(receiver).call();271      expect(+balance).to.equal(1);272    }273274    {275      const balance = await contract.methods.balanceOf(caller).call();276      expect(+balance).to.equal(0);277    }278  });279280  itWeb3('Can perform transfer()', async ({web3, api, privateKeyWrapper}) => {281    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);282    const helper = evmCollectionHelpers(web3, caller);283    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();284    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);285    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});286287    const receiver = createEthAccount(web3);288289    const tokenId = await contract.methods.nextTokenId().call();290    await contract.methods.mint(caller, tokenId).send();291292    {293      const result = await contract.methods.transfer(receiver, tokenId).send();294      const events = normalizeEvents(result.events);295      expect(events).to.include.deep.members([296        {297          address: collectionIdAddress,298          event: 'Transfer',299          args: {300            from: caller,301            to: receiver,302            tokenId: tokenId.toString(),303          },304        },305      ]);306    }307308    {309      const balance = await contract.methods.balanceOf(caller).call();310      expect(+balance).to.equal(0);311    }312313    {314      const balance = await contract.methods.balanceOf(receiver).call();315      expect(+balance).to.equal(1);316    }317  });318319  itWeb3('transfer event on transfer from partial ownership to full ownership', async ({api, web3, privateKeyWrapper}) => {320    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);321    const receiver = createEthAccount(web3);322    const helper = evmCollectionHelpers(web3, caller);323    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();324    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);325    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});326327    const tokenId = await contract.methods.nextTokenId().call();328    await contract.methods.mint(caller, tokenId).send();329330    const tokenAddress = tokenIdToAddress(collectionId, tokenId);331    const tokenContract = new web3.eth.Contract(reFungibleTokenAbi as any, tokenAddress, {from: caller, ...GAS_ARGS});332333    await tokenContract.methods.repartition(2).send();334    await tokenContract.methods.transfer(receiver, 1).send();335336    let transfer;337    contract.events.Transfer({}, function(_error: any, event: any){ transfer = event;});338    await tokenContract.methods.transfer(receiver, 1).send();339    const events = normalizeEvents([transfer]);340    expect(events).to.deep.equal([341      {342        address: collectionIdAddress,343        event: 'Transfer',344        args: {345          from: '0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF',346          to: receiver,347          tokenId: tokenId.toString(),348        },349      },350    ]);351  });352353  itWeb3('transfer event on transfer from full ownership to partial ownership', async ({api, web3, privateKeyWrapper}) => {354    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);355    const receiver = createEthAccount(web3);356    const helper = evmCollectionHelpers(web3, caller);357    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();358    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);359    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});360361    const tokenId = await contract.methods.nextTokenId().call();362    await contract.methods.mint(caller, tokenId).send();363364    const tokenAddress = tokenIdToAddress(collectionId, tokenId);365    const tokenContract = new web3.eth.Contract(reFungibleTokenAbi as any, tokenAddress, {from: caller, ...GAS_ARGS});366367    await tokenContract.methods.repartition(2).send();368    369    let transfer;370    contract.events.Transfer({}, function(_error: any, event: any){ transfer = event;});371    await tokenContract.methods.transfer(receiver, 1).send();372373    const events = normalizeEvents([transfer]);374    expect(events).to.deep.equal([375      {376        address: collectionIdAddress,377        event: 'Transfer',378        args: {379          from: caller,380          to: '0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF',381          tokenId: tokenId.toString(),382        },383      },384    ]);385  });386});387388describe('RFT: Fees', () => {389  itWeb3('transferFrom() call fee is less than 0.2UNQ', async ({web3, api, privateKeyWrapper}) => {390    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);391    const helper = evmCollectionHelpers(web3, caller);392    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();393    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);394    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});395396    const receiver = createEthAccount(web3);397398    const tokenId = await contract.methods.nextTokenId().call();399    await contract.methods.mint(caller, tokenId).send();400401    const cost = await recordEthFee(api, caller, () => contract.methods.transferFrom(caller, receiver, tokenId).send());402    expect(cost < BigInt(0.2 * Number(UNIQUE)));403    expect(cost > 0n);404  });405406  itWeb3('transfer() call fee is less than 0.2UNQ', async ({web3, api, privateKeyWrapper}) => {407    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);408    const helper = evmCollectionHelpers(web3, caller);409    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();410    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);411    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});412413    const receiver = createEthAccount(web3);414415    const tokenId = await contract.methods.nextTokenId().call();416    await contract.methods.mint(caller, tokenId).send();417418    const cost = await recordEthFee(api, caller, () => contract.methods.transfer(receiver, tokenId).send());419    expect(cost < BigInt(0.2 * Number(UNIQUE)));420    expect(cost > 0n);421  });422});423424describe('Common metadata', () => {425  itWeb3('Returns collection name', async ({api, web3, privateKeyWrapper}) => {426    const collection = await createCollectionExpectSuccess({427      name: 'token name',428      mode: {type: 'ReFungible'},429    });430    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);431432    const address = collectionIdToAddress(collection);433    const contract = evmCollection(web3, caller, address, {type: 'ReFungible'});434    const name = await contract.methods.name().call();435436    expect(name).to.equal('token name');437  });438439  itWeb3('Returns symbol name', async ({api, web3, privateKeyWrapper}) => {440    const collection = await createCollectionExpectSuccess({441      tokenPrefix: 'TOK',442      mode: {type: 'ReFungible'},443    });444    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);445446    const address = collectionIdToAddress(collection);447    const contract = evmCollection(web3, caller, address, {type: 'ReFungible'});448    const symbol = await contract.methods.symbol().call();449450    expect(symbol).to.equal('TOK');451  });452});
modifiedtests/src/eth/reFungibleToken.test.tsdiffbeforeafterboth
--- a/tests/src/eth/reFungibleToken.test.ts
+++ b/tests/src/eth/reFungibleToken.test.ts
@@ -277,7 +277,7 @@
     {
       const result = await contract.methods.transferFrom(owner, receiver, 49).send({from: spender});
       const events = normalizeEvents(result.events);
-      expect(events).to.be.deep.equal([
+      expect(events).to.include.deep.members([
         {
           address,
           event: 'Transfer',
@@ -329,7 +329,7 @@
     {
       const result = await contract.methods.transfer(receiver, 50).send({from: owner});
       const events = normalizeEvents(result.events);
-      expect(events).to.be.deep.equal([
+      expect(events).to.include.deep.members([
         {
           address,
           event: 'Transfer',
@@ -442,6 +442,38 @@
       },
     ]);
   });
+
+  itWeb3('Receiving Transfer event on burning into full ownership', async ({web3, api, privateKeyWrapper}) => {
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const receiver = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const helper = evmCollectionHelpers(web3, caller);
+    const result = await helper.methods.createRefungibleCollection('Mint collection', '6', '6').send();
+    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
+    const contract = evmCollection(web3, caller, collectionIdAddress, {type: 'ReFungible'});
+
+    const tokenId = await contract.methods.nextTokenId().call();
+    await contract.methods.mint(caller, tokenId).send();
+
+    const address = tokenIdToAddress(collectionId, tokenId);
+
+    const tokenContract =  new web3.eth.Contract(reFungibleTokenAbi as any, address, {from: caller, ...GAS_ARGS});
+    await tokenContract.methods.repartition(2).send();
+    await tokenContract.methods.transfer(receiver, 1).send();
+
+    const events =  await recordEvents(contract, async () => 
+      await tokenContract.methods.burnFrom(caller, 1).send());
+    expect(events).to.deep.equal([
+      {
+        address: collectionIdAddress,
+        event: 'Transfer',
+        args: {
+          from: '0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF',
+          to: receiver,
+          tokenId,
+        },
+      },
+    ]);
+  });
 });
 
 describe('Refungible: Fees', () => {