Restructuring perp/vault fees

[aalavandhan]

1. Perp's mint/burn fees are paid to the vault (by minting/transfering perp tokens)
2. All fees collected during flash swaps go to the vault's balance. (before it was split between perp and the vault)
3. Added owner defined drSoftBounds (similar to bill broker), which determine when flash swap fees transition from constant value to the linearly increasing fee (previously the kink point was dr=1.0).

[openzeppelin-code]

Restructuring perp/vault fees

Generated at commit: abc11646cd41cd6c18983f280d3e62f560690896

🚨 Report Summary

	Severity Level	Results
Contracts	Critical High Medium Low Note Total	1 0 0 3 25 29
Dependencies	Critical High Medium Low Note Total	0 0 0 0 0 0

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[brandoniles]

I think we're good here, but do we have everything needed for the frontend to be able to represent fee activity?

[aalavandhan]

I think we're good here, but do we have everything needed for the frontend to be able to represent fee activity?

The mint/redeem preview functions should compute the fees and adjust for it. The UI should pick that up I think ..

[brandoniles]

LGTM