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@@ -4,6 +4,7 @@ cov_html | |
| docs/build | ||
| dist | ||
| .mypy_cache | ||
| coverage.xml | ||
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| # IDE | ||
| .idea | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,205 @@ | ||
| import pathlib | ||
| import tempfile | ||
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| import pytest | ||
| from retry import retry | ||
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| from pycardano import * | ||
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| from .base import TEST_RETRIES, TestBase | ||
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| class TestZeroEmptyAsset(TestBase): | ||
| @retry(tries=TEST_RETRIES, backoff=1.5, delay=6, jitter=(0, 4)) | ||
| @pytest.mark.post_chang | ||
| def test_submit_zero_and_empty(self): | ||
| address = Address(self.payment_vkey.hash(), network=self.NETWORK) | ||
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| # Load payment keys or create them if they don't exist | ||
| def load_or_create_key_pair(base_dir, base_name): | ||
| skey_path = base_dir / f"{base_name}.skey" | ||
| vkey_path = base_dir / f"{base_name}.vkey" | ||
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| if skey_path.exists(): | ||
| skey = PaymentSigningKey.load(str(skey_path)) | ||
| vkey = PaymentVerificationKey.from_signing_key(skey) | ||
| else: | ||
| key_pair = PaymentKeyPair.generate() | ||
| key_pair.signing_key.save(str(skey_path)) | ||
| key_pair.verification_key.save(str(vkey_path)) | ||
| skey = key_pair.signing_key | ||
| vkey = key_pair.verification_key | ||
| return skey, vkey | ||
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| tempdir = tempfile.TemporaryDirectory() | ||
| PROJECT_ROOT = tempdir.name | ||
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| root = pathlib.Path(PROJECT_ROOT) | ||
| # Create the directory if it doesn't exist | ||
| root.mkdir(parents=True, exist_ok=True) | ||
| """Generate keys""" | ||
| key_dir = root / "keys" | ||
| key_dir.mkdir(exist_ok=True) | ||
|
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| # Generate policy keys, which will be used when minting NFT | ||
| policy_skey, policy_vkey = load_or_create_key_pair(key_dir, "policy") | ||
|
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| """Create policy""" | ||
| # A policy that requires a signature from the policy key we generated above | ||
| pub_key_policy_1 = ScriptPubkey(policy_vkey.hash()) | ||
|
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| # A policy that requires a signature from the extended payment key | ||
| pub_key_policy_2 = ScriptPubkey(self.extended_payment_vkey.hash()) | ||
|
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| # Combine two policies using ScriptAll policy | ||
| policy = ScriptAll([pub_key_policy_1, pub_key_policy_2]) | ||
|
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| # Calculate policy ID, which is the hash of the policy | ||
| policy_id = policy.hash() | ||
|
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| """Define NFT""" | ||
| my_nft = MultiAsset.from_primitive( | ||
| { | ||
| policy_id.payload: { | ||
| b"MY_NFT_1": 1, # Name of our NFT1 # Quantity of this NFT | ||
| b"MY_NFT_2": 1, # Name of our NFT2 # Quantity of this NFT | ||
| } | ||
| } | ||
| ) | ||
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| native_scripts = [policy] | ||
|
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| """Create metadata""" | ||
| # We need to create a metadata for our NFTs, so they could be displayed correctly by blockchain explorer | ||
| metadata = { | ||
| 721: { # 721 refers to the metadata label registered for NFT standard here: | ||
| # https://github.com/cardano-foundation/CIPs/blob/master/CIP-0010/registry.json#L14-L17 | ||
| policy_id.payload.hex(): { | ||
| "MY_NFT_1": { | ||
| "description": "This is my first NFT thanks to PyCardano", | ||
| "name": "PyCardano NFT example token 1", | ||
| "id": 1, | ||
| "image": "ipfs://QmRhTTbUrPYEw3mJGGhQqQST9k86v1DPBiTTWJGKDJsVFw", | ||
| }, | ||
| "MY_NFT_2": { | ||
| "description": "This is my second NFT thanks to PyCardano", | ||
| "name": "PyCardano NFT example token 2", | ||
| "id": 2, | ||
| "image": "ipfs://QmRhTTbUrPYEw3mJGGhQqQST9k86v1DPBiTTWJGKDJsVFw", | ||
| }, | ||
| } | ||
| } | ||
| } | ||
|
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| # Place metadata in AuxiliaryData, the format acceptable by a transaction. | ||
| auxiliary_data = AuxiliaryData(AlonzoMetadata(metadata=Metadata(metadata))) | ||
|
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| """Build mint transaction""" | ||
|
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| # Create a transaction builder | ||
| builder = TransactionBuilder(self.chain_context) | ||
|
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| # Add our own address as the input address | ||
| builder.add_input_address(address) | ||
|
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| # Set nft we want to mint | ||
| builder.mint = my_nft | ||
|
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| # Set native script | ||
| builder.native_scripts = native_scripts | ||
|
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| # Set transaction metadata | ||
| builder.auxiliary_data = auxiliary_data | ||
|
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| # Calculate the minimum amount of lovelace that need to hold the NFT we are going to mint | ||
| min_val = min_lovelace_pre_alonzo(Value(0, my_nft), self.chain_context) | ||
|
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| # Send the NFT to our own address | ||
| nft_output = TransactionOutput(address, Value(min_val, my_nft)) | ||
| builder.add_output(nft_output) | ||
|
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| # Build and sign transaction | ||
| signed_tx = builder.build_and_sign( | ||
| [self.payment_skey, self.extended_payment_skey, policy_skey], address | ||
| ) | ||
|
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| print("############### Transaction created ###############") | ||
| print(signed_tx) | ||
| print(signed_tx.to_cbor_hex()) | ||
|
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| # Submit signed transaction to the network | ||
| print("############### Submitting transaction ###############") | ||
| self.chain_context.submit_tx(signed_tx) | ||
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| self.assert_output(address, nft_output) | ||
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| """Build transaction with 0 nft""" | ||
|
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| # Create a transaction builder | ||
| builder = TransactionBuilder(self.chain_context) | ||
|
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| # Add our own address as the input address | ||
| builder.add_input_address(address) | ||
|
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| # Calculate the minimum amount of lovelace that need to hold the NFT we are going to mint | ||
| min_val = min_lovelace_pre_alonzo(Value(0), self.chain_context) | ||
|
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| # Send the NFT to our own address | ||
| nft_output = TransactionOutput( | ||
| address, | ||
| Value( | ||
| min_val, | ||
| MultiAsset.from_primitive( | ||
| {policy_vkey.hash().payload: {b"MY_NFT_1": 0}} | ||
| ), | ||
| ), | ||
| ) | ||
| builder.add_output(nft_output) | ||
|
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| # Build and sign transaction | ||
| signed_tx = builder.build_and_sign( | ||
| [self.payment_skey, self.extended_payment_skey], address | ||
| ) | ||
|
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| print("############### Transaction created ###############") | ||
| print(signed_tx) | ||
| print(signed_tx.to_cbor_hex()) | ||
|
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| # Submit signed transaction to the network | ||
| print("############### Submitting transaction ###############") | ||
| self.chain_context.submit_tx(signed_tx) | ||
|
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| self.assert_output(address, nft_output) | ||
|
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| """Build transaction with empty multi-asset""" | ||
|
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| # Create a transaction builder | ||
| builder = TransactionBuilder(self.chain_context) | ||
|
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| # Add our own address as the input address | ||
| builder.add_input_address(address) | ||
|
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| # Calculate the minimum amount of lovelace that need to hold the NFT we are going to mint | ||
| min_val = min_lovelace_pre_alonzo(Value(0), self.chain_context) | ||
|
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| # Send the NFT to our own address | ||
| nft_output = TransactionOutput( | ||
| address, | ||
| Value(min_val, MultiAsset.from_primitive({policy_vkey.hash().payload: {}})), | ||
| ) | ||
| builder.add_output(nft_output) | ||
|
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| # Build and sign transaction | ||
| signed_tx = builder.build_and_sign( | ||
| [self.payment_skey, self.extended_payment_skey], address | ||
| ) | ||
|
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| print("############### Transaction created ###############") | ||
| print(signed_tx) | ||
| print(signed_tx.to_cbor_hex()) | ||
|
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| # Submit signed transaction to the network | ||
| print("############### Submitting transaction ###############") | ||
| self.chain_context.submit_tx(signed_tx) | ||
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| self.assert_output(address, nft_output) |
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