genesis: replacing fd types genesis type with handrolled one

[ibhatt-jumptrading]

No description provided.

[github-actions]

Performance Measurements ⏳

Suite	Baseline	New	Change
backtest mainnet-368528500-perf per slot	0.064161 s	0.063927 s	-0.365% ✅
backtest mainnet-368528500-perf snapshot load	2.356 s	2.347 s	-0.382% ✅
backtest mainnet-368528500-perf total elapsed	64.160678 s	63.927318 s	-0.364% ✅
firedancer mem usage with mainnet.toml	1023.23 GiB	1023.23 GiB	0.000% ✅

[github-actions]

Performance Measurements ⏳

Suite	Baseline	New	Change
backtest mainnet-368528500-perf per slot	0.050907 s	0.050884 s	-0.045% ✅
backtest mainnet-368528500-perf snapshot load	1.644 s	1.628 s	-0.973% ✅
backtest mainnet-368528500-perf total elapsed	50.907125 s	50.883981 s	-0.045% ✅
firedancer mem usage with mainnet.toml	1023.23 GiB	1023.23 GiB	0.000% ✅

[github-actions]

Performance Measurements ⏳

Suite	Baseline	New	Change
backtest mainnet-368528500-perf per slot	0.074457 s	0.073667 s	-1.061% ✅
backtest mainnet-368528500-perf snapshot load	3.179 s	3.166 s	-0.409% ✅
backtest mainnet-368528500-perf total elapsed	74.456822 s	73.666834 s	-1.061% ✅
firedancer mem usage with mainnet.toml	1023.23 GiB	1023.23 GiB	0.000% ✅

[github-actions]

Performance Measurements ⏳

Suite	Baseline	New	Change
backtest mainnet-368528500-perf per slot	0.063367 s	0.064094 s	1.147% ✅
backtest mainnet-368528500-perf snapshot load	2.331 s	2.368 s	1.587% ✅
backtest mainnet-368528500-perf total elapsed	63.367473 s	64.094113 s	1.147% ✅
firedancer mem usage with mainnet.toml	1023.23 GiB	1023.23 GiB	0.000% ✅

[github-actions]

Performance Measurements ⏳

Suite	Baseline	New	Change
backtest mainnet-368528500-perf per slot	0.063789 s	0.064377 s	0.922% ✅
backtest mainnet-368528500-perf snapshot load	2.371 s	2.329 s	-1.771% ✅
backtest mainnet-368528500-perf total elapsed	63.788845 s	64.377121 s	0.922% ✅
firedancer mem usage with mainnet.toml	1023.23 GiB	1023.23 GiB	0.000% ✅

[github-actions]

Performance Measurements ⏳

Suite	Baseline	New	Change
backtest mainnet-368528500-perf per slot	0.073297 s	0.073966 s	0.913% ✅
backtest mainnet-368528500-perf snapshot load	3.143 s	3.18 s	1.177% ✅
backtest mainnet-368528500-perf total elapsed	73.296846 s	73.965832 s	0.913% ✅
firedancer mem usage with mainnet.toml	1023.23 GiB	1023.23 GiB	0.000% ✅

[ripatel-fd]

Since we accept genesis blobs from remote peers this needs some more security measures. Could you add a fuzz_genesis_parse.c with a generic libfuzzer harness? You can check the gossip message parser fuzzer for a scaffold and the in-tree docs for libFuzzer build instructions.