balance

Represents an account's holdings of a certain asset.

entity balance {
 key asset: asset;
 key account: account;
 mutable amount: big_integer;
}

key asset: asset;

The asset this balance refers to

key account: account;

The account holding this balance

mutable amount: big_integer;

How much of this asset is held by the account. If this reaches 0L, it is deleted.