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GITBOOK-375: change request with no subject merged in GitBook
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@ -362,10 +362,525 @@ As parameters:
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### Ocean Assets
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<details>
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<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/ocean/ocean_assets.py#LL178C1-L185C82"><code>ocean.assets.create_url_asset( self, name: str, url: str, publisher_wallet, wait_for_aqua: bool = True ) -> tuple</code></a></summary>
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It is the most used functions in all the READMEs.
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Creates asset of type "dataset", having `UrlFiles`, with good defaults.
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It can be called after instantiating Ocean object.
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Params:
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1. `name` - name of the asset, `string`
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2. `url` - url that is stored in the asset, `string`
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3. `publisher_wallet` - wallet of the asset publisher/owner, `Brownie account`
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4. `wait_for_aqua` - boolean value which default is `True`, waiting for aquarius to fetch the asset takes additional time, but if you want to be sure that your asset is indexed, keep the default value.
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Return:
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A tuple which contains the data NFT, datatoken and the data asset.
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{% code overflow="wrap" %}
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```python
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@enforce_types
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def create_url_asset(
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self, name: str, url: str, publisher_wallet, wait_for_aqua: bool = True
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) -> tuple:
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"""Create asset of type "data", having UrlFiles, with good defaults"""
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metadata = self._default_metadata(name, publisher_wallet)
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files = [UrlFile(url)]
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return self._create_1dt(metadata, files, publisher_wallet, wait_for_aqua)
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```
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{% endcode %}
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</details>
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<details>
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<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/ocean/ocean_assets.py#LL146C4-L176C82"><code>ocean.assets.create_algo_asset( self, name: str, url: str, publisher_wallet, image: str = "oceanprotocol/algo_dockers", tag: str = "python-branin", checksum: str = "sha256:8221d20c1c16491d7d56b9657ea09082c0ee4a8ab1a6621fa720da58b09580e4", wait_for_aqua: bool = True) -> tuple</code></a></summary>
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Create asset of type "algorithm", having `UrlFiles`, with good defaults
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It can be called after instantiating Ocean object.
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Params:
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1. `name` - name of the asset, `string`
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2. `url` - url that is stored in the asset, `string`
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3. `publisher_wallet` - wallet of the asset publisher/owner, `Brownie account`
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4. `image` - docker image of that algorithm, `string`
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5. `tag` - docker tag for that algorithm image, `string`
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6. `checksum` - docker checksum for algorithm's image, `string`
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7. `wait_for_aqua` - boolean value which default is `True`, waiting for aquarius to fetch the asset takes additional time, but if you want to be sure that your asset is indexed, keep the default value.
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Return:
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A tuple which contains the algorithm NFT, algorithm datatoken and the algorithm asset.
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{% code overflow="wrap" %}
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```python
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@enforce_types
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def create_algo_asset(
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self,
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name: str,
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url: str,
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publisher_wallet,
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image: str = "oceanprotocol/algo_dockers",
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tag: str = "python-branin",
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checksum: str = "sha256:8221d20c1c16491d7d56b9657ea09082c0ee4a8ab1a6621fa720da58b09580e4",
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wait_for_aqua: bool = True,
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) -> tuple:
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"""Create asset of type "algorithm", having UrlFiles, with good defaults"""
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if image == "oceanprotocol/algo_dockers" or tag == "python-branin":
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assert image == "oceanprotocol/algo_dockers" and tag == "python-branin"
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metadata = self._default_metadata(name, publisher_wallet, "algorithm")
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metadata["algorithm"] = {
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"language": "python",
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"format": "docker-image",
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"version": "0.1",
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"container": {
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"entrypoint": "python $ALGO",
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"image": image,
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"tag": tag,
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"checksum": checksum,
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},
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}
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files = [UrlFile(url)]
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return self._create_1dt(metadata, files, publisher_wallet, wait_for_aqua)
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```
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{% endcode %}
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</details>
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<details>
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<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/ocean/ocean_assets.py#LL187C5-L198C82"><code>ocean.assets.create_arweave_asset( self, name: str, transaction_id: str, publisher_wallet, wait_for_aqua: bool = True) -> tuple</code></a></summary>
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Creates asset of type "data", having `ArweaveFile`, with good defaults.
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It can be called after instantiating Ocean object.
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Params:
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1. `name` - name of the asset, `string`
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2. `transaction_id` - transaction id from the arweave file, `string`
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3. `publisher_wallet` - wallet of the asset publisher/owner, `Brownie account`
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4. `wait_for_aqua` - boolean value which default is `True`, waiting for aquarius to fetch the asset takes additional time, but if you want to be sure that your asset is indexed, keep the default value.
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Return:
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A tuple which contains the data NFT, datatoken and the data asset.
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{% code overflow="wrap" %}
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```python
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@enforce_types
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def create_arweave_asset(
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self,
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name: str,
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transaction_id: str,
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publisher_wallet,
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wait_for_aqua: bool = True,
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) -> tuple:
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"""Create asset of type "data", having ArweaveFiles, with good defaults"""
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metadata = self._default_metadata(name, publisher_wallet)
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files = [ArweaveFile(transaction_id)]
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return self._create_1dt(metadata, files, publisher_wallet, wait_for_aqua)
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```
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{% endcode %}
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</details>
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<details>
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<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/ocean/ocean_assets.py#LL200C5-L212C82"><code>ocean.assets.create_graphql_asset( self, name: str, url: str, query: str, publisher_wallet, wait_for_aqua: bool = True, ) -> tuple</code></a></summary>
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Creates asset of type "data", having `GraphqlQuery` files, with good defaults.
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It can be called after instantiating Ocean object.
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Params:
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1. `name` - name of the asset, `string`
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2. `url` - url of subgraph that you are using, `string`
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3. `query` - GraphQL query, `string`
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4. `publisher_wallet` - wallet of the asset publisher/owner, `Brownie account`
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5. `wait_for_aqua` - boolean value which default is `True`, waiting for aquarius to fetch the asset takes additional time, but if you want to be sure that your asset is indexed, keep the default value.
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Return:
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A tuple which contains the data NFT, datatoken and the data asset.
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{% code overflow="wrap" %}
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```python
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@enforce_types
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def create_graphql_asset(
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self,
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name: str,
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url: str,
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query: str,
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publisher_wallet,
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wait_for_aqua: bool = True,
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) -> tuple:
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"""Create asset of type "data", having GraphqlQuery files, w good defaults"""
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metadata = self._default_metadata(name, publisher_wallet)
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files = [GraphqlQuery(url, query)]
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return self._create_1dt(metadata, files, publisher_wallet, wait_for_aqua)
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```
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{% endcode %}
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</details>
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<details>
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<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/ocean/ocean_assets.py#LL214C5-L229C1"><code>ocean.assets.create_onchain_asset( self, name: str, contract_address: str, contract_abi: dict, publisher_wallet, wait_for_aqua: bool = True ) -> tuple</code></a></summary>
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Creates asset of type "data", having `SmartContractCall` files, with good defaults.
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It can be called after instantiating Ocean object.
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Params:
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1. `name` - name of the asset, `string`
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2. `contract_address` - contract address that should be stored in the asset, `string`
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3. `contract_abi` - ABI of functions presented in the contract, `string`
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4. `publisher_wallet` - wallet of the asset publisher/owner, `Brownie account`
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5. `wait_for_aqua` - boolean value which default is `True`, waiting for aquarius to fetch the asset takes additional time, but if you want to be sure that your asset is indexed, keep the default value.
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Return:
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A tuple which contains the data NFT, datatoken and the data asset.
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{% code overflow="wrap" %}
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```python
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@enforce_types
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def create_onchain_asset(
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self,
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name: str,
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contract_address: str,
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contract_abi: dict,
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publisher_wallet,
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wait_for_aqua: bool = True,
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) -> tuple:
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"""Create asset of type "data", having SmartContractCall files, w defaults"""
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chain_id = self._chain_id
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onchain_data = SmartContractCall(contract_address, chain_id, contract_abi)
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files = [onchain_data]
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metadata = self._default_metadata(name, publisher_wallet)
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return self._create_1dt(metadata, files, publisher_wallet, wait_for_aqua)
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```
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{% endcode %}
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</details>
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<details>
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<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/ocean/ocean_assets.py#LL259C5-L390C43"><code>ocean.assets.create( self, metadata: dict, publisher_wallet, credentials: Optional[dict] = None, data_nft_address: Optional[str] = None, data_nft_args: Optional[DataNFTArguments] = None, deployed_datatokens: Optional[List[Datatoken]] = None, services: Optional[list] = None, datatoken_args: Optional[List["DatatokenArguments"]] = None, encrypt_flag: Optional[bool] = True, compress_flag: Optional[bool] = True, wait_for_aqua: bool = True, ) -> Optional[DDO]</code></a></summary>
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Register an asset on-chain. Asset = {data\_NFT, >=0 datatokens, DDO}
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Creating/deploying a DataNFT contract and in the Metadata store (Aquarius).
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Params:
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* `metadata`: `dictionary` conforming to the Metadata accepted by Ocean Protocol. 
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* `publisher_wallet`- `Brownie account` of the publisher registering this asset.
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* `credentials` - credentials `dictionary` necessary for the asset, which establish who can consume the asset and who cannot.
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* `data_nft_address`- hex string, the address of the data NFT. The new asset will be associated with this data NFT address.
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* `data_nft_args`- object of DataNFTArguments type if creating a new one.
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* `deployed_datatokens`- list of datatokens which are already deployed.
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* `services` - list of `Service` objects if you want to run multiple services for a datatoken or you have multiple datatokens with a single service each.
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* `datatoken_args` - list of objects of `DatatokenArguments` type if creating a new datatokens.
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* `encrypt_flag`- bool for encryption of the DDO.
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* `compress_flag`- bool for compression of the DDO.
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* `wait_for_aqua`- bool for spending time waiting for DDO to be updated in Aquarius.
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Return:
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A tuple which contains the data NFT, datatoken and the data asset.
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{% code overflow="wrap" %}
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```python
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def create(
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self,
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metadata: dict,
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publisher_wallet,
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credentials: Optional[dict] = None,
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data_nft_address: Optional[str] = None,
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data_nft_args: Optional[DataNFTArguments] = None,
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deployed_datatokens: Optional[List[Datatoken]] = None,
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services: Optional[list] = None,
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datatoken_args: Optional[List["DatatokenArguments"]] = None,
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encrypt_flag: Optional[bool] = True,
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compress_flag: Optional[bool] = True,
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wait_for_aqua: bool = True,
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) -> Optional[DDO]:
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self._assert_ddo_metadata(metadata)
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provider_uri = DataServiceProvider.get_url(self._config_dict)
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if not data_nft_address:
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data_nft_args = data_nft_args or DataNFTArguments(
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metadata["name"], metadata["name"]
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)
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data_nft = data_nft_args.deploy_contract(
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self._config_dict, publisher_wallet
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)
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# register on-chain
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if not data_nft:
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logger.warning("Creating new NFT failed.")
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return None, None, None
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logger.info(f"Successfully created NFT with address {data_nft.address}.")
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else:
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data_nft = DataNFT(self._config_dict, data_nft_address)
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# Create DDO object
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ddo = DDO()
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# Generate the did, add it to the ddo.
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ddo.did = data_nft.calculate_did()
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# Check if it's already registered first!
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if self._aquarius.ddo_exists(ddo.did):
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raise AquariusError(
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f"Asset id {ddo.did} is already registered to another asset."
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)
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ddo.chain_id = self._chain_id
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ddo.metadata = metadata
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ddo.credentials = credentials if credentials else {"allow": [], "deny": []}
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ddo.nft_address = data_nft.address
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datatokens = []
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if not deployed_datatokens:
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services = []
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for datatoken_arg in datatoken_args:
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new_dt = datatoken_arg.create_datatoken(
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data_nft, publisher_wallet, with_services=True
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)
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datatokens.append(new_dt)
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services.extend(datatoken_arg.services)
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for service in services:
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ddo.add_service(service)
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else:
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if not services:
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logger.warning("services required with deployed_datatokens.")
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return None, None, None
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datatokens = deployed_datatokens
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dt_addresses = []
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for datatoken in datatokens:
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if deployed_datatokens[0].address not in data_nft.getTokensList():
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logger.warning(
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"some deployed_datatokens don't belong to the given data nft."
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)
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return None, None, None
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dt_addresses.append(datatoken.address)
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for service in services:
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if service.datatoken not in dt_addresses:
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logger.warning("Datatoken services mismatch.")
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return None, None, None
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ddo.add_service(service)
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# Validation by Aquarius
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_, proof = self.validate(ddo)
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proof = (
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proof["publicKey"],
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proof["v"],
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proof["r"][0],
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proof["s"][0],
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)
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document, flags, ddo_hash = self._encrypt_ddo(
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ddo, provider_uri, encrypt_flag, compress_flag
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)
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data_nft.setMetaData(
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0,
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provider_uri,
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Web3.toChecksumAddress(publisher_wallet.address.lower()).encode("utf-8"),
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flags,
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document,
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ddo_hash,
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[proof],
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{"from": publisher_wallet},
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)
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# Fetch the ddo on chain
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if wait_for_aqua:
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ddo = self._aquarius.wait_for_ddo(ddo.did)
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return (data_nft, datatokens, ddo)
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```
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{% endcode %}
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</details>
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<details>
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<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/ocean/ocean_assets.py#LL392C5-L454C19"><code>ocean.assets.update( self, ddo: DDO, publisher_wallet, provider_uri: Optional[str] = None, encrypt_flag: Optional[bool] = True, compress_flag: Optional[bool] = True, ) -> Optional[DDO]</code></a></summary>
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Updates a ddo on-chain.
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Params:
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* `ddo` - DDO to update
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* `publisher_wallet` - who published this DDO
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* `provider_uri` - URL of service provider. This will be used as base to construct the serviceEndpoint for the `access` (download) service.
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* `encrypt_flag` - boolean value for encryption the DDO
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* `compress_flag` - boolean value for compression the DDO
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Return:
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The updated DDO, or `None` if updated DDO not found in Aquarius.
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{% code overflow="wrap" %}
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```python
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@enforce_types
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def update(
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self,
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ddo: DDO,
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publisher_wallet,
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provider_uri: Optional[str] = None,
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encrypt_flag: Optional[bool] = True,
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compress_flag: Optional[bool] = True,
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) -> Optional[DDO]:
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self._assert_ddo_metadata(ddo.metadata)
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if not provider_uri:
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provider_uri = DataServiceProvider.get_url(self._config_dict)
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assert ddo.nft_address, "need nft address to update a ddo"
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data_nft = DataNFT(self._config_dict, ddo.nft_address)
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assert ddo.chain_id == self._chain_id
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for service in ddo.services:
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service.encrypt_files(ddo.nft_address)
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# Validation by Aquarius
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validation_result, errors_or_proof = self.validate(ddo)
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if not validation_result:
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msg = f"DDO has validation errors: {errors_or_proof}"
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logger.error(msg)
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raise ValueError(msg)
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|
||||
document, flags, ddo_hash = self._encrypt_ddo(
|
||||
ddo, provider_uri, encrypt_flag, compress_flag
|
||||
)
|
||||
|
||||
proof = (
|
||||
errors_or_proof["publicKey"],
|
||||
errors_or_proof["v"],
|
||||
errors_or_proof["r"][0],
|
||||
errors_or_proof["s"][0],
|
||||
)
|
||||
|
||||
tx_result = data_nft.setMetaData(
|
||||
0,
|
||||
provider_uri,
|
||||
Web3.toChecksumAddress(publisher_wallet.address.lower()).encode("utf-8"),
|
||||
flags,
|
||||
document,
|
||||
ddo_hash,
|
||||
[proof],
|
||||
{"from": publisher_wallet},
|
||||
)
|
||||
|
||||
ddo = self._aquarius.wait_for_ddo_update(ddo, tx_result.txid)
|
||||
|
||||
return ddo
|
||||
```
|
||||
{% endcode %}
|
||||
|
||||
</details>
|
||||
|
||||
<details>
|
||||
|
||||
<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/ocean/ocean_assets.py#LL456C5-L458C43"><code>ocean.assets.resolve(self, did: str) -> "DDO"</code></a></summary>
|
||||
|
||||
Resolves the asset from Metadata Cache store (Aquarius).
|
||||
|
||||
Param:
|
||||
|
||||
* did - identifier of the DDO to be searched & resolved in Aquarius
|
||||
|
||||
Return:
|
||||
|
||||
Returns DDO instance.
|
||||
|
||||
```python
|
||||
@enforce_types
|
||||
def resolve(self, did: str) -> "DDO":
|
||||
return self._aquarius.get_ddo(did)
|
||||
```
|
||||
|
||||
</details>
|
||||
|
||||
<details>
|
||||
|
||||
<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/ocean/ocean_assets.py#LL460C4-L475C10"><code>ocean.assets.search(self, text: str) -> list</code></a></summary>
|
||||
|
||||
Searches a DDO by a specific text.
|
||||
|
||||
|
||||
|
||||
</details>
|
||||
|
||||
<details>
|
||||
|
||||
<summary>ocean.assets.query(self, query: dict) -> list</summary>
|
||||
|
||||
|
||||
|
||||
</details>
|
||||
|
||||
<details>
|
||||
|
||||
<summary>ocean.assets.download_asset( self, ddo: DDO, consumer_wallet, destination: str, order_tx_id: Union[str, bytes], service: Optional[Service] = None, index: Optional[int] = None, userdata: Optional[dict] = None, ) -> str</summary>
|
||||
|
||||
|
||||
|
||||
</details>
|
||||
|
||||
<details>
|
||||
|
||||
<summary>ocean.assets.pay_for_access_service( self, ddo: DDO, wallet, service: Optional[Service] = None, consume_market_fees: Optional[TokenFeeInfo] = None, consumer_address: Optional[str] = None, userdata: Optional[dict] = None, )</summary>
|
||||
|
||||
|
||||
|
||||
</details>
|
||||
|
||||
<details>
|
||||
|
||||
<summary>ocean.assets.pay_for_compute_service( self, datasets: List[ComputeInput], algorithm_data: Union[ComputeInput, AlgorithmMetadata], compute_environment: str, valid_until: int, consume_market_order_fee_address: str, wallet, consumer_address: Optional[str] = None, )</summary>
|
||||
|
||||
|
||||
|
||||
</details>
|
||||
|
||||
### Ocean Compute
|
||||
|
||||
### Datatoken Interface
|
||||
|
||||
Dispenser utils:
|
||||
|
||||
<details>
|
||||
|
||||
<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/models/datatoken.py#LL336C5-L377C18"><code>datatoken.create_dispenser(self, tx_dict: dict, max_tokens: Optional[Union[int, str]] = None, max_balance: Optional[Union[int, str]] = None, with_mint: Optional[bool] = True)</code></a></summary>
|
||||
@ -376,9 +891,9 @@ It is implemented in DatatokenBase, inherited by Datatoken2, so it can be called
|
||||
|
||||
Each parameter has the following meaning:
|
||||
|
||||
1. `tx_dict` - is the configuration for that specific transaction. Usually for `development` we include just the `from` wallet, but for remote networks, you can provide gas fees, required confirmations for that block etc. For more info, check [Brownie docs](https://eth-brownie.readthedocs.io/en/stable/).
|
||||
2. `max_tokens` - maximum amount of tokens to dispense in wei
|
||||
3. `max_balance` - maximum balance of requester in wei
|
||||
1. `tx_dict` - is the configuration `dictionary` for that specific transaction. Usually for `development` we include just the `from` wallet, but for remote networks, you can provide gas fees, required confirmations for that block etc. For more info, check [Brownie docs](https://eth-brownie.readthedocs.io/en/stable/).
|
||||
2. `max_tokens` - maximum amount of tokens to dispense in wei. The default is a large number.
|
||||
3. `max_balance` - maximum balance of requester in wei. The default is a large number.
|
||||
4. `with_mint` - boolean, `true` if we want to allow the dispenser to be a minter as default value
|
||||
|
||||
Return value is a hex string which denotes the transaction hash of dispenser deployment.
|
||||
@ -436,14 +951,14 @@ Return value is a hex string which denotes the transaction hash of dispenser dep
|
||||
|
||||
<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/models/datatoken.py#LL379C5-L400C18"><code>datatoken.dispense(self, amount: Union[int, str], tx_dict: dict)</code></a></summary>
|
||||
|
||||
This function is used to retrieve funds or datatokens for an user who wants to access an asset.
|
||||
This function is used to retrieve funds or datatokens for an user who wants to start an order.
|
||||
|
||||
It is implemented in DatatokenBase, so it can be called within Datatoken class.
|
||||
|
||||
Each parameter has the following meaning:
|
||||
|
||||
1. `amount` - amount of datatokens to be dispensed in wei (int or string format)
|
||||
2. `tx_dict` - is the configuration for that specific transaction. Usually for `development` we include just the `from` wallet, but for remote networks, you can provide gas fees, required confirmations for that block etc. For more info, check [Brownie docs](https://eth-brownie.readthedocs.io/en/stable/).
|
||||
2. `tx_dict` - is the configuration `dictionary` for that specific transaction. Usually for `development` we include just the `from` wallet, but for remote networks, you can provide gas fees, required confirmations for that block etc. For more info, check [Brownie docs](https://eth-brownie.readthedocs.io/en/stable/).
|
||||
|
||||
Return value is a hex string which denotes the transaction hash of dispensed datatokens, like a proof.
|
||||
|
||||
@ -478,21 +993,369 @@ Return value is a hex string which denotes the transaction hash of dispensed dat
|
||||
|
||||
<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/models/datatoken.py#LL439C5-L483C1"><code>datatoken.dispense_and_order(self, consumer: str, service_index: int, provider_fees: dict, transaction_parameters: dict, consume_market_fees=None)</code></a></summary>
|
||||
|
||||
This function is used to retrieve funds or datatokens for an user who wants to access an asset.
|
||||
This function is used to retrieve funds or datatokens for an user who wants to start an order.
|
||||
|
||||
It is implemented in Datatoken2, so it can be called within Datatoken2 class (using the enterprise template).
|
||||
|
||||
Each parameter has the following meaning:
|
||||
|
||||
1. `amount` - amount of datatokens to be dispensed in wei (int or string format)
|
||||
2. `tx_dict` - is the configuration for that specific transaction. Usually for `development` we include just the `from` wallet, but for remote networks, you can provide gas fees, required confirmations for that block etc. For more info, check [Brownie docs](https://eth-brownie.readthedocs.io/en/stable/).
|
||||
1. `consumer` - address of the consumer wallet that needs funding
|
||||
2. `service_index` - service index as int for identifying the service that you want to further call [`start_order`](https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean\_lib/models/datatoken.py#LL169C5-L197C10).
|
||||
3. `transaction_parameters` - is the configuration `dictionary` for that specific transaction. Usually for `development` we include just the `from` wallet, but for remote networks, you can provide gas fees, required confirmations for that block etc. For more info, check [Brownie docs](https://eth-brownie.readthedocs.io/en/stable/).
|
||||
4. `consume_market_fees` - [`TokenInfo` ](https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean\_lib/models/datatoken.py#L31)object which contains the consume market fee amount, address & token address. If it is not explicitly specified, by default it has an empty `TokenInfo` object.
|
||||
|
||||
Return value is a hex string which denotes the transaction hash of dispensed datatokens, like a proof.
|
||||
Return value is a hex string which denotes the transaction hash of dispensed datatokens, like a proof of starting order.
|
||||
|
||||
```python
|
||||
def dispense_and_order(
|
||||
self,
|
||||
consumer: str,
|
||||
service_index: int,
|
||||
provider_fees: dict,
|
||||
transaction_parameters: dict,
|
||||
consume_market_fees=None,
|
||||
) -> str:
|
||||
if not consume_market_fees:
|
||||
consume_market_fees = TokenFeeInfo()
|
||||
|
||||
buyer_addr = (
|
||||
transaction_parameters["from"].address
|
||||
if hasattr(transaction_parameters["from"], "address")
|
||||
else transaction_parameters["from"]
|
||||
)
|
||||
|
||||
bal = from_wei(self.balanceOf(buyer_addr))
|
||||
if bal < 1.0:
|
||||
dispenser_addr = get_address_of_type(self.config_dict, "Dispenser")
|
||||
from ocean_lib.models.dispenser import Dispenser # isort: skip
|
||||
|
||||
dispenser = Dispenser(self.config_dict, dispenser_addr)
|
||||
|
||||
# catch key failure modes
|
||||
st = dispenser.status(self.address)
|
||||
active, allowedSwapper = st[0], st[6]
|
||||
if not active:
|
||||
raise ValueError("No active dispenser for datatoken")
|
||||
if allowedSwapper not in [ZERO_ADDRESS, buyer_addr]:
|
||||
raise ValueError(f"Not allowed. allowedSwapper={allowedSwapper}")
|
||||
|
||||
# Try to dispense. If other issues, they'll pop out
|
||||
dispenser.dispense(
|
||||
self.address, "1 ether", buyer_addr, transaction_parameters
|
||||
)
|
||||
|
||||
return self.start_order(
|
||||
consumer=ContractBase.to_checksum_address(consumer),
|
||||
service_index=service_index,
|
||||
provider_fees=provider_fees,
|
||||
consume_market_fees=consume_market_fees,
|
||||
transaction_parameters=transaction_parameters,
|
||||
)
|
||||
```
|
||||
|
||||
</details>
|
||||
|
||||
### Fixed Rate Exchange
|
||||
<details>
|
||||
|
||||
<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/models/datatoken.py#LL402C1-L409C43"><code>datatoken.dispenser_status(self) -> DispenserStatus</code></a></summary>
|
||||
|
||||
Returns a `DispenserStatus` object returned from `Dispenser.sol::status(dt_addr)` which is composed of:
|
||||
|
||||
* bool active
|
||||
* address owner
|
||||
* bool isMinter
|
||||
* uint256 maxTokens
|
||||
* uint256 maxBalance
|
||||
* uint256 balance
|
||||
* address allowedSwapper
|
||||
|
||||
These are Solidity return values & types, but `uint256` means int in Python and `address` is a `string` instance.
|
||||
|
||||
For tips & tricks, check [this section](https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/READMEs/main-flow.md#faucet-tips--tricks) from the [README](https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/READMEs/main-flow.md).
|
||||
|
||||
It is implemented in DatatokenBase, inherited by Datatoken2, so it can be called within both instances.
|
||||
|
||||
```python
|
||||
@enforce_types
|
||||
def dispenser_status(self):
|
||||
""":return: DispenserStatus object"""
|
||||
# import here to avoid circular import
|
||||
from ocean_lib.models.dispenser import DispenserStatus
|
||||
|
||||
status_tup = self._ocean_dispenser().status(self.address)
|
||||
return DispenserStatus(status_tup)
|
||||
```
|
||||
|
||||
</details>
|
||||
|
||||
Fixed Rate Exchange utils:
|
||||
|
||||
<details>
|
||||
|
||||
<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/models/datatoken.py#LL236C4-L310C1"><code>datatoken.create_exchange(self, rate: Union[int, str], base_token_addr: str, tx_dict: dict, owner_addr: Optional[str] = None, publish_market_fee_collector: Optional[str] = None, publish_market_fee: Union[int, str] = 0, with_mint: bool = False, allowed_swapper: str = ZERO_ADDRESS, full_info: bool = False) -> Union[OneExchange, tuple]</code></a></summary>
|
||||
|
||||
It is implemented in DatatokenBase, inherited by Datatoken2, so it can be called within both instances.
|
||||
|
||||
For this datatoken, create a single fixed-rate exchange (OneExchange).
|
||||
|
||||
This wraps the smart contract method `Datatoken.createFixedRate()` with a simpler interface.
|
||||
|
||||
Main params:
|
||||
|
||||
* `rate` - how many base tokens does 1 datatoken cost? In wei or string
|
||||
* `base_token_addr` - e.g. OCEAN address
|
||||
* `tx_dict` - is the configuration `dictionary` for that specific transaction. Usually for `development` we include just the `from` wallet, but for remote networks, you can provide gas fees, required confirmations for that block etc. For more info, check [Brownie docs](https://eth-brownie.readthedocs.io/en/stable/).
|
||||
|
||||
Optional params, with good defaults:
|
||||
|
||||
* `owner_addr` - owner of the datatoken
|
||||
* `publish_market_fee_collector` - fee going to publish market address
|
||||
* `publish_market_fee` - in wei or string, e.g. `int(1e15)` or `"0.001 ether"`
|
||||
* `with_mint` - should the exchange mint datatokens as needed (`True`), or do they need to be supplied/allowed by participants like base token (`False`)?
|
||||
* `allowed_swapper` - if `ZERO_ADDRESS`, anyone can swap
|
||||
* `full_info` - return just `OneExchange`, or `(OneExchange, <other info>)`
|
||||
|
||||
Return
|
||||
|
||||
* `exchange` - OneExchange
|
||||
* (maybe) `tx_receipt`
|
||||
|
||||
{% code overflow="wrap" %}
|
||||
```python
|
||||
@enforce_types
|
||||
def create_exchange(
|
||||
self,
|
||||
rate: Union[int, str],
|
||||
base_token_addr: str,
|
||||
tx_dict: dict,
|
||||
owner_addr: Optional[str] = None,
|
||||
publish_market_fee_collector: Optional[str] = None,
|
||||
publish_market_fee: Union[int, str] = 0,
|
||||
with_mint: bool = False,
|
||||
allowed_swapper: str = ZERO_ADDRESS,
|
||||
full_info: bool = False,
|
||||
) -> Union[OneExchange, tuple]:
|
||||
|
||||
# import now, to avoid circular import
|
||||
from ocean_lib.models.fixed_rate_exchange import OneExchange
|
||||
|
||||
FRE_addr = get_address_of_type(self.config_dict, "FixedPrice")
|
||||
from_addr = (
|
||||
tx_dict["from"].address
|
||||
if hasattr(tx_dict["from"], "address")
|
||||
else tx_dict["from"]
|
||||
)
|
||||
BT = Datatoken(self.config_dict, base_token_addr)
|
||||
owner_addr = owner_addr or from_addr
|
||||
publish_market_fee_collector = publish_market_fee_collector or from_addr
|
||||
|
||||
tx = self.contract.createFixedRate(
|
||||
checksum_addr(FRE_addr),
|
||||
[
|
||||
checksum_addr(BT.address),
|
||||
checksum_addr(owner_addr),
|
||||
checksum_addr(publish_market_fee_collector),
|
||||
checksum_addr(allowed_swapper),
|
||||
],
|
||||
[
|
||||
BT.decimals(),
|
||||
self.decimals(),
|
||||
rate,
|
||||
publish_market_fee,
|
||||
with_mint,
|
||||
],
|
||||
tx_dict,
|
||||
)
|
||||
|
||||
exchange_id = tx.events["NewFixedRate"]["exchangeId"]
|
||||
FRE = self._FRE()
|
||||
exchange = OneExchange(FRE, exchange_id)
|
||||
if full_info:
|
||||
return (exchange, tx)
|
||||
return exchange
|
||||
```
|
||||
{% endcode %}
|
||||
|
||||
</details>
|
||||
|
||||
<details>
|
||||
|
||||
<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/models/datatoken.py#LL484C4-L518C10"><code>datatoken.buy_DT_and_order(self, consumer: str, service_index: int, provider_fees: dict, exchange: Any, transaction_parameters: dict, consume_market_fees=None, ) -> str:</code></a></summary>
|
||||
|
||||
This function is used to retrieve funds or datatokens for an user who wants to start an order.
|
||||
|
||||
It is implemented in Datatoken class and it is also inherited in Datatoken2 class.
|
||||
|
||||
Each parameter has the following meaning:
|
||||
|
||||
1. `consumer` - address of the consumer wallet that needs funding
|
||||
2. `service_index` - service index as int for identifying the service that you want to further call [`start_order`](https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean\_lib/models/datatoken.py#LL169C5-L197C10).
|
||||
3. `transaction_parameters` - is the configuration `dictionary` for that specific transaction. Usually for `development` we include just the `from` wallet, but for remote networks, you can provide gas fees, required confirmations for that block etc. For more info, check [Brownie docs](https://eth-brownie.readthedocs.io/en/stable/).
|
||||
4. `consume_market_fees` - [`TokenInfo` ](https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean\_lib/models/datatoken.py#L31)object which contains the consume market fee amount, address & token address. If it is not explicitly specified, by default it has an empty `TokenInfo` object.
|
||||
|
||||
Return value is a hex string for transaction hash which denotes the proof of starting order.
|
||||
|
||||
```python
|
||||
@enforce_types
|
||||
def buy_DT_and_order(
|
||||
self,
|
||||
consumer: str,
|
||||
service_index: int,
|
||||
provider_fees: dict,
|
||||
exchange: Any,
|
||||
transaction_parameters: dict,
|
||||
consume_market_fees=None,
|
||||
) -> str:
|
||||
fre_address = get_address_of_type(self.config_dict, "FixedPrice")
|
||||
|
||||
# import now, to avoid circular import
|
||||
from ocean_lib.models.fixed_rate_exchange import OneExchange
|
||||
|
||||
if not consume_market_fees:
|
||||
consume_market_fees = TokenFeeInfo()
|
||||
|
||||
if not isinstance(exchange, OneExchange):
|
||||
exchange = OneExchange(fre_address, exchange)
|
||||
|
||||
exchange.buy_DT(
|
||||
datatoken_amt=to_wei(1),
|
||||
consume_market_fee_addr=consume_market_fees.address,
|
||||
consume_market_fee=consume_market_fees.amount,
|
||||
tx_dict=transaction_parameters,
|
||||
)
|
||||
|
||||
return self.start_order(
|
||||
consumer=ContractBase.to_checksum_address(consumer),
|
||||
service_index=service_index,
|
||||
provider_fees=provider_fees,
|
||||
consume_market_fees=consume_market_fees,
|
||||
transaction_parameters=transaction_parameters,
|
||||
)
|
||||
```
|
||||
|
||||
</details>
|
||||
|
||||
<details>
|
||||
|
||||
<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/models/datatoken.py#LL311C4-L322C25"><code>datatoken.get_exchanges(self) -> list</code></a></summary>
|
||||
|
||||
Returns `List[OneExchange]` - all the exchanges for this datatoken.
|
||||
|
||||
It is implemented in DatatokenBase, inherited by Datatoken2, so it can be called within both instances.
|
||||
|
||||
{% code overflow="wrap" %}
|
||||
```python
|
||||
@enforce_types
|
||||
def get_exchanges(self) -> list:
|
||||
"""return List[OneExchange] - all the exchanges for this datatoken"""
|
||||
# import now, to avoid circular import
|
||||
from ocean_lib.models.fixed_rate_exchange import OneExchange
|
||||
|
||||
FRE = self._FRE()
|
||||
addrs_and_exchange_ids = self.getFixedRates()
|
||||
exchanges = [
|
||||
OneExchange(FRE, exchange_id) for _, exchange_id in addrs_and_exchange_ids
|
||||
]
|
||||
return exchanges
|
||||
|
||||
```
|
||||
{% endcode %}
|
||||
|
||||
</details>
|
||||
|
||||
Orders:
|
||||
|
||||
<details>
|
||||
|
||||
<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/models/datatoken.py#LL169C5-L197C10"><code>datatoken.start_order( self, consumer: str, service_index: int, provider_fees: dict, transaction_parameters: dict, consume_market_fees=None, ) -> str</code></a></summary>
|
||||
|
||||
Starting order of a certain datatoken.
|
||||
|
||||
It is implemented in Datatoken class and it is also inherited in Datatoken2 class.
|
||||
|
||||
Each parameter has the following meaning:
|
||||
|
||||
1. `consumer` - address of the consumer wallet that needs funding
|
||||
2. `service_index` - service index as int for identifying the service that you want to apply `start_order`.
|
||||
3. `provider_fees` - dictionary which includes provider fees generated when `initialize` endpoint from `Provider` was called.
|
||||
4. `transaction_parameters` - is the configuration `dictionary` for that specific transaction. Usually for `development` we include just the `from` wallet, but for remote networks, you can provide gas fees, required confirmations for that block etc. For more info, check [Brownie docs](https://eth-brownie.readthedocs.io/en/stable/).
|
||||
5. `consume_market_fees` - [`TokenInfo` ](https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean\_lib/models/datatoken.py#L31)object which contains the consume market fee amount, address & token address. If it is not explicitly specified, by default it has an empty `TokenInfo` object.
|
||||
|
||||
Return value is a hex string for transaction hash which denotes the proof of starting order.
|
||||
|
||||
```python
|
||||
@enforce_types
|
||||
def start_order(
|
||||
self,
|
||||
consumer: str,
|
||||
service_index: int,
|
||||
provider_fees: dict,
|
||||
transaction_parameters: dict,
|
||||
consume_market_fees=None,
|
||||
) -> str:
|
||||
|
||||
if not consume_market_fees:
|
||||
consume_market_fees = TokenFeeInfo()
|
||||
|
||||
return self.contract.startOrder(
|
||||
checksum_addr(consumer),
|
||||
service_index,
|
||||
(
|
||||
checksum_addr(provider_fees["providerFeeAddress"]),
|
||||
checksum_addr(provider_fees["providerFeeToken"]),
|
||||
int(provider_fees["providerFeeAmount"]),
|
||||
provider_fees["v"],
|
||||
provider_fees["r"],
|
||||
provider_fees["s"],
|
||||
provider_fees["validUntil"],
|
||||
provider_fees["providerData"],
|
||||
),
|
||||
consume_market_fees.to_tuple(),
|
||||
transaction_parameters,
|
||||
)
|
||||
```
|
||||
|
||||
</details>
|
||||
|
||||
<details>
|
||||
|
||||
<summary><a href="https://github.com/oceanprotocol/ocean.py/blob/4aa12afd8a933d64bc2ed68d1e5359d0b9ae62f9/ocean_lib/models/datatoken.py#LL199C5-L219C10"><code>datatoken.reuse_order(self, order_tx_id: Union[str, bytes], provider_fees: dict, transaction_parameters: dict) -> str</code></a></summary>
|
||||
|
||||
Reusing an order from a certain datatoken.
|
||||
|
||||
It is implemented in Datatoken class and it is also inherited in Datatoken2 class.
|
||||
|
||||
Each parameter has the following meaning:
|
||||
|
||||
1. `order_tx_id` - transaction hash of a previous order, string or bytes format.
|
||||
2. `provider_fees` - dictionary which includes provider fees generated when `initialize` endpoint from `Provider` was called.
|
||||
3. `transaction_parameters` - is the configuration `dictionary` for that specific transaction. Usually for `development` we include just the `from` wallet, but for remote networks, you can provide gas fees, required confirmations for that block etc. For more info, check [Brownie docs](https://eth-brownie.readthedocs.io/en/stable/).
|
||||
|
||||
Return value is a hex string for transaction hash which denotes the proof of reusing order.
|
||||
|
||||
```python
|
||||
@enforce_types
|
||||
def reuse_order(
|
||||
self,
|
||||
order_tx_id: Union[str, bytes],
|
||||
provider_fees: dict,
|
||||
transaction_parameters: dict,
|
||||
) -> str:
|
||||
return self.contract.reuseOrder(
|
||||
order_tx_id,
|
||||
(
|
||||
checksum_addr(provider_fees["providerFeeAddress"]),
|
||||
checksum_addr(provider_fees["providerFeeToken"]),
|
||||
int(provider_fees["providerFeeAmount"]),
|
||||
provider_fees["v"],
|
||||
provider_fees["r"],
|
||||
provider_fees["s"],
|
||||
provider_fees["validUntil"],
|
||||
provider_fees["providerData"],
|
||||
),
|
||||
transaction_parameters,
|
||||
)
|
||||
```
|
||||
|
||||
</details>
|
||||
|
||||
### Dispenser
|
||||
|
||||
Loading…
Reference in New Issue
Block a user