before_apply_transfer

Extendable function that allows the developer to add more functionality to the apply_transfer function, before the transfer is applied.

This allows, for example,to check that any condition is met before the transfer is applied on this chain.

If this function throws, the transfer will not be applied.

Throws when any extension of this function throws.

Parameters

• sender_blockchain_rid — the chain the transfer originated from
• sender_account_id — the account that has transferred the tokens
• recipient_id — the ID of the recipient account on the end chain
• asset — the asset that was transferred
• amount — the amount that was transferred
• hop_index — the IDs of the chains this transfer is going through
• is_final — whether the transfer has this chain as destination