NativeScriptList

class cometa.scripts.native_scripts.native_script_list.NativeScriptList(ptr=None)[source]

Bases: Sequence[NativeScript]

Represents a list of native scripts.

Native scripts form an expression tree and evaluate to either true or false. This list is used for script_all, script_any, and script_n_of_k constructs.

__init__(ptr=None)[source]

Return type:: None

__enter__()[source]

Return type:: NativeScriptList

__exit__(exc_type, exc_val, exc_tb)[source]

Return type:: None

__repr__()[source]

Return repr(self).

Return type:: str

classmethod from_cbor(reader)[source]

Deserializes a NativeScriptList from CBOR data.

Parameters:: reader (CborReader) – A CborReader positioned at the script list data.
Returns:: A new NativeScriptList deserialized from the CBOR data.
Raises:: CardanoError – If deserialization fails.
Return type:: NativeScriptList

classmethod from_list(scripts)[source]

Creates a NativeScriptList from an iterable of native script objects.

Parameters:: scripts (Iterable[Any]) – An iterable of NativeScript or native script type objects.
Returns:: A new NativeScriptList containing all the scripts.
Raises:: CardanoError – If creation fails.
Return type:: NativeScriptList

to_cbor(writer)[source]

Serializes the script list to CBOR format.

Parameters:: writer (CborWriter) – A CborWriter to write the serialized data to.
Raises:: CardanoError – If serialization fails.
Return type:: None

add(script)[source]

Adds a native script to the list.

Parameters:

script (Any) – The script to add. Can be a NativeScript or any specific native script type (ScriptPubkey, ScriptAll, ScriptAny, ScriptNOfK, ScriptInvalidBefore, ScriptInvalidAfter).

Raises:

CardanoError – If addition fails.
TypeError – If the script type is not supported.

Return type:

None

get(index)[source]

Retrieves a native script at the specified index.

Parameters:

index (int) – The index of the script to retrieve.

Returns:

The NativeScript at the specified index.

Raises:

CardanoError – If retrieval fails.
IndexError – If index is out of bounds.

Return type:

NativeScript

__len__()[source]

Returns the number of scripts in the list.

Return type:: int

__iter__()[source]

Iterates over all scripts in the list.

Return type:: Iterator[NativeScript]

__getitem__(index)[source]

Gets a script by index using bracket notation.

Parameters:: index (int)
Return type:: NativeScript

__bool__()[source]

Returns True if the list is not empty.

Return type:: bool

index(value, start=0, stop=None)[source]

Returns the index of the first occurrence of value.

Parameters:

value (NativeScript) – The value to search for.
start (int) – Start searching from this index.
stop (Optional[int]) – Stop searching at this index.

Returns:

The index of the first occurrence.

Raises:

ValueError – If the value is not found.

Return type:

int

count(value)[source]

Returns the number of occurrences of value.

Parameters:: value (NativeScript) – The value to count.
Returns:: The number of occurrences.
Return type:: int