Add a GEP method to blockext, simply some code

[edg-l]

Related to #862

Checklist

• Linked to Github Issue
• Unit tests added
• Integration tests added.
• This change requires new documentation.
  • Documentation has been added/updated.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 70.29586% with 251 lines in your changes missing coverage. Please review.

Project coverage is 82.91%. Comparing base (e36bf30) to head (452eb53).

Files with missing lines	Patch %	Lines
src/libfuncs/starknet.rs	15.26%	211 Missing ⚠️
src/libfuncs/starknet/secp256.rs	92.64%	40 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #873      +/-   ##
==========================================
+ Coverage   82.82%   82.91%   +0.08%     
==========================================
  Files         120      120              
  Lines       34941    33864    -1077     
==========================================
- Hits        28941    28079     -862     
+ Misses       6000     5785     -215     

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[github-actions]

Benchmarking results

Benchmark for program factorial_2M

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	11.140 ± 0.309	10.836	11.577	24.82 ± 0.69
cairo-native (embedded AOT)	3.136 ± 0.012	3.117	3.150	6.99 ± 0.03
cairo-native (embedded JIT using LLVM's ORC Engine)	3.178 ± 0.014	3.163	3.202	7.08 ± 0.03
cairo-native (standalone AOT)	0.676 ± 0.003	0.674	0.683	1.51 ± 0.01
cairo-native (standalone AOT with -march=native)	0.449 ± 0.001	0.448	0.450	1.00

Benchmark for program fib_2M

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	11.319 ± 0.220	10.848	11.534	1412.82 ± 30.78
cairo-native (embedded AOT)	2.689 ± 0.017	2.660	2.712	335.67 ± 3.94
cairo-native (embedded JIT using LLVM's ORC Engine)	2.726 ± 0.031	2.689	2.799	340.25 ± 5.11
cairo-native (standalone AOT)	0.008 ± 0.000	0.008	0.009	1.04 ± 0.01
cairo-native (standalone AOT with -march=native)	0.008 ± 0.000	0.008	0.009	1.00

Benchmark for program logistic_map

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	4.258 ± 0.032	4.223	4.332	60.21 ± 0.48
cairo-native (embedded AOT)	2.848 ± 0.019	2.823	2.889	40.28 ± 0.29
cairo-native (embedded JIT using LLVM's ORC Engine)	3.017 ± 0.013	2.999	3.036	42.67 ± 0.21
cairo-native (standalone AOT)	0.115 ± 0.000	0.114	0.115	1.62 ± 0.01
cairo-native (standalone AOT with -march=native)	0.071 ± 0.000	0.070	0.071	1.00

[github-actions]

Benchmark results Main vs HEAD.

Command	Mean [s]	Min [s]	Max [s]	Relative
head factorial_2M.cairo (JIT)	3.157 ± 0.015	3.136	3.179	1.00 ± 0.01
base factorial_2M.cairo (JIT)	3.203 ± 0.032	3.170	3.254	1.02 ± 0.01
head factorial_2M.cairo (AOT)	3.143 ± 0.031	3.102	3.210	1.00
base factorial_2M.cairo (AOT)	3.166 ± 0.043	3.123	3.275	1.01 ± 0.02

Command	Mean [s]	Min [s]	Max [s]	Relative
head fib_2M.cairo (JIT)	2.720 ± 0.021	2.698	2.772	1.01 ± 0.01
base fib_2M.cairo (JIT)	2.732 ± 0.015	2.715	2.757	1.02 ± 0.01
head fib_2M.cairo (AOT)	2.681 ± 0.019	2.648	2.707	1.00
base fib_2M.cairo (AOT)	2.691 ± 0.020	2.669	2.737	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
head logistic_map.cairo (JIT)	3.003 ± 0.018	2.979	3.044	1.06 ± 0.01
base logistic_map.cairo (JIT)	3.020 ± 0.022	2.989	3.067	1.06 ± 0.01
head logistic_map.cairo (AOT)	2.843 ± 0.014	2.828	2.875	1.00
base logistic_map.cairo (AOT)	2.862 ± 0.025	2.816	2.899	1.01 ± 0.01