# lib.ft4.core.assets · FT4 Rell API · Chromia Docs (concept) > Types asset An asset represents anything that is fungible. It can be more than money, asset_filter Filter used for the query getassetsfiltered to fetch ass Source: https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/ PACKAGE # lib.ft4.core.assets On this page * [Types](#types) * [Functions](#functions) * [Properties](#properties) ## Types [asset](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/asset/) : An asset represents anything that is fungible. It can be more than money, [asset\_filter](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/asset_filter/) : Filter used for the query getassetsfiltered to fetch assets based on selected criteria [balance](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/balance/) : Represents an account's holdings of a certain asset. [balance\_filter](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/balance_filter/) : Filter used for the query getbalancesfiltered to fetch balances based on selected criteria [crosschain\_transfer\_history\_entry](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/crosschain_transfer_history_entry/) : Represents the cross-chain movement of an asset on the origin or target chain. [crosschain\_transfer\_history\_entry\_filter](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/crosschain_transfer_history_entry_filter/) : Filter used for the query getcrosschaintransferhistoryentriesfiltered to fetch balances entries on selected criteria [filter](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/filter/) : Filter used in queries, which allows to fetch only one direction of transfer [transfer\_detail](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/transfer_detail/) : Details about a transfer. It contains a limited set of information that can be used to [transfer\_history\_entry](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/transfer_history_entry/) : Represents the movement of an asset in or out of an account. [transfer\_history\_entry\_filter](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/transfer_history_entry_filter/) : Filter used for the query gettransferhistoryentriesfiltered to fetch entries based on selected criteria [transfer\_type](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/transfer_type/) : The type of a transfer, used for filtering in queries ## Functions [Asset](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/-asset/) : Returns the asset with the specified id as an entity. [after\_burn](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/after_burn/) : Extendable function that allows the developer to add more functionality to the [after\_mint](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/after_mint/) : Extendable function that allows the developer to add more functionality to the [after\_transfer](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/after_transfer/) : Extendable function that allows the developer to add more functionality to the [before\_burn](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/before_burn/) : Extendable function that allows the developer to add more functionality to the [before\_mint](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/before_mint/) : Extendable function that allows the developer to add more functionality to the [before\_transfer](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/before_transfer/) : Extendable function that allows the developer to add more functionality to the [create\_on\_internal\_transfer](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/create_on_internal_transfer/) : Extendable function that defines how to create an account when an on-chain transfer to a [deduct\_balance](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/deduct_balance/) : Removes a certain amount of money from an account. It does NOT update total supply, [extract\_data\_from\_transfer\_history\_entry](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/extract_data_from_transfer_history_entry/) : Maps an entry's info into a readable format for the frontend [extract\_data\_from\_transfer\_history\_list](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/extract_data_from_transfer_history_list/) : Takes a list of transfer history entries and builds a page that can be returned [extract\_details\_from\_account\_creation\_transfer](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/extract_details_from_account_creation_transfer/) : Analogous to extractdetailsfromtransferhistoryentry, but extracts data from the [extract\_details\_from\_crosschain\_transfer\_history\_entry](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/extract_details_from_crosschain_transfer_history_entry/) : Maps a crosschaintransferhistoryentry to a transferdetail object. [extract\_details\_from\_transfer\_history\_entry](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/extract_details_from_transfer_history_entry/) : Maps a transferhistoryentry to a transferdetail object. [extract\_operation\_name](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/extract_operation_name/) : Extracts the name of the operation that caused the transfer to happen. [format\_amount\_with\_decimals](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/format_amount_with_decimals/) : Creates a readable string representing the amount of tokens, given the raw [get\_all\_assets](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_all_assets/) : Retrieves all registered assets, paginated. [get\_asset\_balance](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_asset_balance/) : Returns how much of an asset the account holds. [get\_asset\_balances](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_asset_balances/) : Retrieves all asset balances for a certain account. [get\_asset\_details\_for\_crosschain\_registration](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_asset_details_for_crosschain_registration/) : Outputs the details of an asset in a format that is used by other chains to register [get\_assets\_by\_type](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_assets_by_type/) : Retrieves all assets of a specified type, paginated. [get\_assets\_filtered](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_assets_filtered/) : Retrieves all assets based on the selected filter of assetfilter, paginated [get\_balances\_filtered](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_balances_filtered/) : Retrieves all balances based on the selected filter of balancefilter, paginated [get\_crosschain\_transfer\_history\_entries\_filtered](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_crosschain_transfer_history_entries_filtered/) : Retrieves all crosschain transfer history entries based on the provided filtering, paginated [get\_paginated\_asset\_balances](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_paginated_asset_balances/) : Retrieves all the balances of a certain account, paginated. [get\_paginated\_assets\_by\_name](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_paginated_assets_by_name/) : Retrieves all assets with the given name, paginated. [get\_paginated\_assets\_by\_symbol](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_paginated_assets_by_symbol/) : Retrieves all assets with the given symbol, paginated. [get\_paginated\_transfers](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_paginated_transfers/) : Fetches all transfers, allowing filtering in multiple ways. Paginated. [get\_transfer\_details](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_transfer_details/) : Returns a transferdetail object for each transferentry that was registered during [get\_transfer\_details\_by\_asset](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_transfer_details_by_asset/) : Same as gettransferdetails, but restricts the results to transfer entries related [get\_transfer\_history\_entries\_filtered](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/get_transfer_history_entries_filtered/) : Fetches all transfer history entries allowing filtering in multiple ways, paginated. [increase\_balance](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/increase_balance/) : Adds a certain amount of money to an account. It does NOT update total supply, extra [is\_create\_on\_internal\_transfer\_enabled](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/is_create_on_internal_transfer_enabled/) : Extendable function that defines whether on-chain transfers towards an account that doesn't [map\_asset](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/map_asset/) : Maps an asset's info into a readable format for the frontend. [map\_balance](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/map_balance/) : Maps an balance info into a readable format for the frontend. [parse\_icon\_url](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/parse_icon_url/) : Tests whether an asset icon URL is invalid. It will not try to resolve the URL, but it will [recall\_on\_internal\_transfer](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/recall_on_internal_transfer/) : Extendable function that defines how to recall a transfer that was erroneously made [require\_zero\_exclusive\_asset\_amount\_limits](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/require_zero_exclusive_asset_amount_limits/) : Ensures that an asset amount is in the interval (0; 2^256) (exclusive) [validate\_asset\_decimals](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/validate_asset_decimals/) : Ensures that decimals are in the interval 0; 78 (inclusive) [validate\_asset\_id](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/validate_asset_id/) : Ensures that the ID has exactly 32 bytes [validate\_asset\_name](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/validate_asset_name/) : Ensures that the text input is at most 1024 characters long. [validate\_asset\_symbol](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/validate_asset_symbol/) : Ensures that the text input is at most 1024 characters long. [validate\_asset\_type](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/validate_asset_type/) : Ensures that the text input is not empty and at most 1024 characters long. [validate\_asset\_uniqueness\_resolver](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/validate_asset_uniqueness_resolver/) : Ensures that the asset uniqueness resolver is at most 1024 bytes long. ## Properties [ASSET\_TYPE\_FT4](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/-a-s-s-e-t_-t-y-p-e_-f-t4/) : The type of fungible assets. By default, assets created with this library will have [max\_asset\_amount](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.assets/max_asset_amount/) : The maximum value that should ever be represented when talking about assets. [View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-rell/-f-t4%20-library/lib.ft4.core.assets/index.html)Generated API reference, mirrored from the live docs