git.delta.rocks / unique-network / refs/commits / 930910430200

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--- a/pallets/unique/src/eth/stubs/CollectionHelpers.sol
+++ b/pallets/unique/src/eth/stubs/CollectionHelpers.sol
@@ -23,7 +23,7 @@
 }
 
 /// @title Contract, which allows users to operate with collections
-/// @dev the ERC-165 identifier for this interface is 0x88ee8ef1
+/// @dev the ERC-165 identifier for this interface is 0x5ad4f440
 contract CollectionHelpers is Dummy, ERC165, CollectionHelpersEvents {
 	/// Create an NFT collection
 	/// @param name Name of the collection
@@ -105,4 +105,12 @@
 		dummy;
 		return false;
 	}
+
+	/// @dev EVM selector for this function is: 0xd23a7ab1,
+	///  or in textual repr: collectionCreationFee()
+	function collectionCreationFee() public view returns (uint256) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
 }

--- a/tests/src/eth/api/CollectionHelpers.sol
+++ b/tests/src/eth/api/CollectionHelpers.sol
@@ -18,7 +18,7 @@
 }
 
 /// @title Contract, which allows users to operate with collections
-/// @dev the ERC-165 identifier for this interface is 0x88ee8ef1
+/// @dev the ERC-165 identifier for this interface is 0x5ad4f440
 interface CollectionHelpers is Dummy, ERC165, CollectionHelpersEvents {
 	/// Create an NFT collection
 	/// @param name Name of the collection
@@ -65,4 +65,8 @@
 	/// @dev EVM selector for this function is: 0xc3de1494,
 	///  or in textual repr: isCollectionExist(address)
 	function isCollectionExist(address collectionAddress) external view returns (bool);
+
+	/// @dev EVM selector for this function is: 0xd23a7ab1,
+	///  or in textual repr: collectionCreationFee()
+	function collectionCreationFee() external view returns (uint256);
 }

--- a/tests/src/eth/payable.test.ts
+++ b/tests/src/eth/payable.test.ts
@@ -171,6 +171,11 @@
     expect(finalContractBalance == initialContractBalance).to.be.true;
   });
 
+  itEth('Get collection creation fee', async({helper}) => {
+    const deployer = await helper.eth.createAccountWithBalance(donor);
+    expect(await helper.eth.getCollectionCreationFee(deployer)).to.be.equal(String(2n * helper.balance.getOneTokenNominal()));
+  });
+
   async function deployProxyContract(helper: EthUniqueHelper, deployer: string) {
     return await helper.ethContract.deployByCode(
       deployer,

--- a/tests/src/eth/util/playgrounds/unique.dev.ts
+++ b/tests/src/eth/util/playgrounds/unique.dev.ts
@@ -152,6 +152,11 @@
   async transferBalanceFromSubstrate(donor: IKeyringPair, recepient: string, amount=1000n, inTokens=true) {
     return await this.helper.balance.transferToSubstrate(donor, evmToAddress(recepient), amount * (inTokens ? this.helper.balance.getOneTokenNominal() : 1n));
   }
+  
+  async getCollectionCreationFee(signer: string) {
+    const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);
+    return await collectionHelper.methods.collectionCreationFee().call();
+  }
 
   async sendEVM(signer: IKeyringPair, contractAddress: string, abi: string, value: string, gasLimit?: number) {
     if(!gasLimit) gasLimit = this.DEFAULT_GAS;