Pre-Fill-Swap
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Solvers exclusively hold to simplify accounting and minimize risk exposure. The green-highlighted section in the diagram below illustrates the Pre-Fill-Swap, an intermediary step in the process that occurs when the requested assets are not .
When the order requests , this swap step is skipped, as solvers are expected to maintain sufficient balances of at all times.
The supports requesting arbitrary assets on the destination chain. When a requested assets are not , the solver performs a Pre-Fill-Swap—similar in concept to a , but reversed. In this case, the solver swaps for the requested assets and transfers the guaranteed amount to the beneficiary address on the destination chain specified in the order.
