It is the ‘asset manager’ of the Opium Protocol. Its core responsibility is to manage the transfer of ERC20 and ERC721O tokens.
Its only consumer contract in the Opium Protocol is the Core contract, which makes use of the TokenSpender for actions such as receiving the required margin (collateral) from a user upon a financial product’s creation and transferring the said margin upon a financial product’s execution according to the payout and the outcome fetched at expiry from the OracleAggregator.
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