git.delta.rocks / unique-network / refs/commits / fc406280aa2f

--- a/pallets/fungible/src/erc.rs
+++ b/pallets/fungible/src/erc.rs
@@ -129,7 +129,23 @@
 	}
 }
 
-#[solidity_interface(name = ERC20UniqueExtensions)]
+#[solidity_interface(name = "ERC20Mintable")]
+impl<T: Config> FungibleHandle<T> {
+	#[weight(<SelfWeightOf<T>>::create_item())]
+	fn mint(&mut self, caller: caller, to: address, amount: uint256) -> Result<bool> {
+		let caller = T::CrossAccountId::from_eth(caller);
+		let to = T::CrossAccountId::from_eth(to);
+		let amount = amount.try_into().map_err(|_| "amount overflow")?;
+		let budget = self
+			.recorder
+			.weight_calls_budget(<StructureWeight<T>>::find_parent());
+		<Pallet<T>>::create_item(&self, &caller, (to, amount), &budget)
+			.map_err(dispatch_to_evm::<T>)?;
+		Ok(true)
+	}
+}
+
+#[solidity_interface(name = "ERC20UniqueExtensions")]
 impl<T: Config> FungibleHandle<T> {
 	#[weight(<SelfWeightOf<T>>::burn_from())]
 	fn burn_from(&mut self, caller: caller, from: address, amount: uint256) -> Result<bool> {
@@ -144,12 +160,29 @@
 			.map_err(dispatch_to_evm::<T>)?;
 		Ok(true)
 	}
+
+	#[weight(<SelfWeightOf<T>>::create_multiple_items_ex(amounts.len() as u32))]
+	fn mint_bulk(&mut self, caller: caller, amounts: Vec<(address, uint256)>) -> Result<bool> {
+		let caller = T::CrossAccountId::from_eth(caller);
+		let budget = self
+			.recorder
+			.weight_calls_budget(<StructureWeight<T>>::find_parent());
+		let amounts = amounts
+			.into_iter()
+			.map(|(to, amount)| Ok((T::CrossAccountId::from_eth(to), amount.try_into().map_err(|_| "amount overflow")?)))
+			.collect::<Result<_>>()?;
+
+		<Pallet<T>>::create_multiple_items(&self, &caller, amounts, &budget)
+			.map_err(dispatch_to_evm::<T>)?;
+		Ok(true)
+	}
 }
 
 #[solidity_interface(
 	name = UniqueFungible,
 	is(
 		ERC20,
+		ERC20Mintable,
 		ERC20UniqueExtensions,
 		Collection(common_mut, CollectionHandle<T>),
 	)

--- a/pallets/fungible/src/stubs/UniqueFungible.sol
+++ b/pallets/fungible/src/stubs/UniqueFungible.sol
@@ -3,7 +3,13 @@
 
 pragma solidity >=0.8.0 <0.9.0;
 
-/// @dev common stubs holder
+// Anonymous struct
+struct Tuple0 {
+	address field_0;
+	uint256 field_1;
+}
+
+// Common stubs holder
 contract Dummy {
 	uint8 dummy;
 	string stub_error = "this contract is implemented in native";
@@ -21,8 +27,49 @@
 	}
 }
 
-/// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0xe54be640
+// Inline
+contract ERC20Events {
+	event Transfer(address indexed from, address indexed to, uint256 value);
+	event Approval(
+		address indexed owner,
+		address indexed spender,
+		uint256 value
+	);
+}
+
+// Selector: 40c10f19
+contract ERC20Mintable is Dummy, ERC165 {
+	// Selector: mint(address,uint256) 40c10f19
+	function mint(address to, uint256 amount) public returns (bool) {
+		require(false, stub_error);
+		to;
+		amount;
+		dummy = 0;
+		return false;
+	}
+}
+
+// Selector: 63034ac5
+contract ERC20UniqueExtensions is Dummy, ERC165 {
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 amount) public returns (bool) {
+		require(false, stub_error);
+		from;
+		amount;
+		dummy = 0;
+		return false;
+	}
+
+	// Selector: mintBulk((address,uint256)[]) 1acf2d55
+	function mintBulk(Tuple0[] memory amounts) public returns (bool) {
+		require(false, stub_error);
+		amounts;
+		dummy = 0;
+		return false;
+	}
+}
+
+// Selector: 6cf113cd
 contract Collection is Dummy, ERC165 {
 	/// Set collection property.
 	///
@@ -476,6 +523,7 @@
 	Dummy,
 	ERC165,
 	ERC20,
+	ERC20Mintable,
 	ERC20UniqueExtensions,
 	Collection
 {}

--- a/tests/src/eth/api/UniqueFungible.sol
+++ b/tests/src/eth/api/UniqueFungible.sol
@@ -3,7 +3,13 @@
 
 pragma solidity >=0.8.0 <0.9.0;
 
-/// @dev common stubs holder
+// Anonymous struct
+struct Tuple0 {
+	address field_0;
+	uint256 field_1;
+}
+
+// Common stubs holder
 interface Dummy {
 
 }
@@ -12,8 +18,32 @@
 	function supportsInterface(bytes4 interfaceID) external view returns (bool);
 }
 
-/// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0xe54be640
+// Inline
+interface ERC20Events {
+	event Transfer(address indexed from, address indexed to, uint256 value);
+	event Approval(
+		address indexed owner,
+		address indexed spender,
+		uint256 value
+	);
+}
+
+// Selector: 40c10f19
+interface ERC20Mintable is Dummy, ERC165 {
+	// Selector: mint(address,uint256) 40c10f19
+	function mint(address to, uint256 amount) external returns (bool);
+}
+
+// Selector: 63034ac5
+interface ERC20UniqueExtensions is Dummy, ERC165 {
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 amount) external returns (bool);
+
+	// Selector: mintBulk((address,uint256)[]) 1acf2d55
+	function mintBulk(Tuple0[] memory amounts) external returns (bool);
+}
+
+// Selector: 6cf113cd
 interface Collection is Dummy, ERC165 {
 	/// Set collection property.
 	///
@@ -207,30 +237,8 @@
 	/// @dev EVM selector for this function is: 0xd34b55b8,
 	///  or in textual repr: uniqueCollectionType()
 	function uniqueCollectionType() external returns (string memory);
-
-	/// Changes collection owner to another account
-	///
-	/// @dev Owner can be changed only by current owner
-	/// @param newOwner new owner account
-	/// @dev EVM selector for this function is: 0x13af4035,
-	///  or in textual repr: setOwner(address)
-	function setOwner(address newOwner) external;
-
-	/// Changes collection owner to another substrate account
-	///
-	/// @dev Owner can be changed only by current owner
-	/// @param newOwner new owner substrate account
-	/// @dev EVM selector for this function is: 0xb212138f,
-	///  or in textual repr: setOwnerSubstrate(uint256)
-	function setOwnerSubstrate(uint256 newOwner) external;
 }
 
-/// @dev anonymous struct
-struct Tuple6 {
-	address field_0;
-	uint256 field_1;
-}
-
 /// @dev the ERC-165 identifier for this interface is 0x79cc6790
 interface ERC20UniqueExtensions is Dummy, ERC165 {
 	/// @dev EVM selector for this function is: 0x79cc6790,
@@ -298,6 +306,7 @@
 	Dummy,
 	ERC165,
 	ERC20,
+	ERC20Mintable,
 	ERC20UniqueExtensions,
 	Collection
 {}

--- a/tests/src/eth/fungible.test.ts
+++ b/tests/src/eth/fungible.test.ts
@@ -14,10 +14,11 @@
 // You should have received a copy of the GNU General Public License
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
-import {approveExpectSuccess, createCollectionExpectSuccess, createFungibleItemExpectSuccess, transferExpectSuccess, transferFromExpectSuccess, UNIQUE} from '../util/helpers';
-import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, GAS_ARGS, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, transferBalanceToEth} from './util/helpers';
+import {approveExpectSuccess, createCollection, createCollectionExpectSuccess, createFungibleItemExpectSuccess, transferExpectSuccess, transferFromExpectSuccess, UNIQUE} from '../util/helpers';
+import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, evmCollection, GAS_ARGS, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, transferBalanceToEth} from './util/helpers';
 import fungibleAbi from './fungibleAbi.json';
 import {expect} from 'chai';
+import {submitTransactionAsync} from '../substrate/substrate-api';
 
 describe('Fungible: Information getting', () => {
   itWeb3('totalSupply', async ({api, web3, privateKeyWrapper}) => {
@@ -58,6 +59,129 @@
 });
 
 describe('Fungible: Plain calls', () => {
+  itWeb3('Can perform mint()', async ({web3, api, privateKeyWrapper}) => {
+    const alice = privateKeyWrapper('//Alice');
+    const collection = await createCollection(api, alice, {
+      name: 'token name',
+      mode: {type: 'Fungible', decimalPoints: 0},
+    });
+
+    const receiver = createEthAccount(web3);
+
+    const collectionIdAddress = collectionIdToAddress(collection.collectionId);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const changeAdminTx = api.tx.unique.addCollectionAdmin(collection.collectionId, {Ethereum: owner});
+    await submitTransactionAsync(alice, changeAdminTx);
+
+    const collectionContract = evmCollection(web3, owner, collectionIdAddress, {type: 'Fungible', decimalPoints: 0});
+    const result = await collectionContract.methods.mint(receiver, 100).send();
+    const events = normalizeEvents(result.events);
+    
+    expect(events).to.be.deep.equal([
+      {
+        address: collectionIdAddress,
+        event: 'Transfer',
+        args: {
+          from: '0x0000000000000000000000000000000000000000',
+          to: receiver,
+          value: '100',
+        },
+      },
+    ]);
+  });
+
+  itWeb3('Can perform mintBulk()', async ({web3, api, privateKeyWrapper}) => {
+    const alice = privateKeyWrapper('//Alice');
+    const collection = await createCollection(api, alice, {
+      name: 'token name',
+      mode: {type: 'Fungible', decimalPoints: 0},
+    });
+
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const receiver1 = createEthAccount(web3);
+    const receiver2 = createEthAccount(web3);
+    const receiver3 = createEthAccount(web3);
+
+    const collectionIdAddress = collectionIdToAddress(collection.collectionId);
+    const changeAdminTx = api.tx.unique.addCollectionAdmin(collection.collectionId, {Ethereum: owner});
+    await submitTransactionAsync(alice, changeAdminTx);
+
+    const collectionContract = evmCollection(web3, owner, collectionIdAddress, {type: 'Fungible', decimalPoints: 0});
+    const result = await collectionContract.methods.mintBulk([
+      [receiver1, 10],
+      [receiver2, 20],
+      [receiver3, 30],
+    ]).call();
+    console.log(result);
+    const events = normalizeEvents(result.events);
+
+    expect(events).to.be.deep.equal([
+      {
+        address:collectionIdAddress,
+        event: 'Transfer',
+        args: {
+          from: '0x0000000000000000000000000000000000000000',
+          to: receiver1,
+          value: '10',
+        },
+      },
+      {
+        address:collectionIdAddress,
+        event: 'Transfer',
+        args: {
+          from: '0x0000000000000000000000000000000000000000',
+          to: receiver2,
+          value: '20',
+        },
+      },
+      {
+        address:collectionIdAddress,
+        event: 'Transfer',
+        args: {
+          from: '0x0000000000000000000000000000000000000000',
+          to: receiver3,
+          value: '30',
+        },
+      },
+    ]);
+  });
+
+  itWeb3('Can perform burn()', async ({web3, api, privateKeyWrapper}) => {
+    const alice = privateKeyWrapper('//Alice');
+    const collection = await createCollection(api, alice, {
+      name: 'token name',
+      mode: {type: 'Fungible', decimalPoints: 0},
+    });
+
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const changeAdminTx = api.tx.unique.addCollectionAdmin(collection.collectionId, {Ethereum: owner});
+    await submitTransactionAsync(alice, changeAdminTx);
+    const receiver = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+
+    const collectionIdAddress = collectionIdToAddress(collection.collectionId);
+    const collectionContract = evmCollection(web3, owner, collectionIdAddress, {type: 'Fungible', decimalPoints: 0});
+    await collectionContract.methods.mint(receiver, 100).send();
+
+    const result = await collectionContract.methods.burnFrom(receiver, 49).send({from: receiver});
+    
+    const events = normalizeEvents(result.events);
+
+    expect(events).to.be.deep.equal([
+      {
+        address: collectionIdAddress,
+        event: 'Transfer',
+        args: {
+          from: receiver,
+          to: '0x0000000000000000000000000000000000000000',
+          value: '49',
+        },
+      },
+    ]);
+
+    const balance = await collectionContract.methods.balanceOf(receiver).call();
+    expect(balance).to.equal('51');
+  });
+
   itWeb3('Can perform approve()', async ({web3, api, privateKeyWrapper}) => {
     const collection = await createCollectionExpectSuccess({
       name: 'token name',