ArrayDB

class ArrayDB(var_key: K, db: iconservice.iconscore.db.IconScoreDatabase, value_type: type)

Utility classes wrapping the state DB. ArrayDB supports length and iterator, maintains order.

K:[int, str, Address, bytes] V:[int, str, Address, bytes, bool]

SIZE_BYTE_KEY = b'size'

get(index: int = 0) → V

Gets the value at index

Parameters:index – index Returns:value at the index

pop() → Optional[V]

Gets and removes last added value

Returns:last added value

put(value: V) → None

Puts the value at the end of array

Parameters:value – value to add