Per-API cost tables and the votable HookGasPrice move to the HookFeeV3
branch. V2 charges one cost unit per wasm instruction and 100 units per
hook API call (including _g), with ten units per drop rounded up.
- Guard.h: drop the per-import cost map, charge a fixed api_call_cost on
every import call
- Remove sfHookGasPrice, FeeSettings/SetFee/validation fields, fee voting,
server_info output and the hook_gas_price config knob
- hookCostToFee no longer depends on the ledger view
- Restore genesis ledger, jtx Env and fragile-hash tests to dev
- Update expected hook costs in SetHook_test
Adds two CMake functions:
* add_module(library subdirectory): Declares an OBJECT "library" (a CMake abstraction for a collection of object files) with sources from the given subdirectory of the given library, representing a module. Isolates the module's headers by creating a subdirectory in the build directory, e.g. .build/tmp123, that contains just a symlink, e.g. .build/tmp123/basics, to the module's header directory, e.g. include/xrpl/basics, in the source directory, and putting .build/tmp123 (but not include/xrpl) on the include path of the module sources. This prevents the module sources from including headers not explicitly linked to the module in CMake with target_link_libraries.
* target_link_modules(library scope modules...): Links the library target to each of the module targets, and removes their sources from its source list (so they are not compiled and linked twice).
Uses these functions to separate and explicitly link modules in libxrpl:
Level 01: beast
Level 02: basics
Level 03: json, crypto
Level 04: protocol
Level 05: resource, server
