[WIP] ref: SentryEnvelopeHeader to swift

[noahsmartin]

Blocked by https://github.com/getsentry/sentry-cocoa/pull/5453

Converts SentryEnvelopeHeader to Swift

#skip-changelog

[codecov[bot]]

Codecov Report

:x: Patch coverage is 92.68293% with 3 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 86.756%. Comparing base (93c76b0) to head (7f1c719). :warning: Report is 7 commits behind head on main. :white_check_mark: All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
Sources/Sentry/SentryEnvelope.m	80.000%	3 Missing :warning:

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #5454       +/-   ##
=============================================
+ Coverage   86.625%   86.756%   +0.130%     
=============================================
  Files          427       428        +1     
  Lines        36870     36901       +31     
  Branches     15807     17419     +1612     
=============================================
+ Hits         31939     32014       +75     
+ Misses        4891      4842       -49     
- Partials        40        45        +5     

Files with missing lines	Coverage Δ
Sources/Sentry/SentryClient.m	98.944% <100.000%> (+0.004%)	:arrow_up:
Sources/Sentry/SentryTransportAdapter.m	100.000% <100.000%> (ø)
Sources/Swift/Tools/SentryEnvelopeHeader.swift	100.000% <100.000%> (ø)
Sources/Sentry/SentryEnvelope.m	87.037% <80.000%> (-1.803%)	:arrow_down:

... and 22 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

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[github-actions[bot]]

Performance metrics :rocket:

	Plain	With Sentry	Diff
Startup time	1217.00 ms	1235.96 ms	18.96 ms
Size	23.75 KiB	947.71 KiB	923.96 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
effeafa3422d4f571659ddecf6c36f527b80f45d	1225.88 ms	1249.78 ms	23.90 ms
21375302b4c2afa2366ee8726a3a428feff3f082	1223.39 ms	1253.25 ms	29.86 ms
5d238d36df08c29f7c2d6e448530c2ff4d02da14	1228.94 ms	1253.04 ms	24.10 ms
efa740d79f6dadae7856c274c5c673e462d82a58	1220.71 ms	1246.20 ms	25.50 ms
d157d83ca63eb1c3b1b899d109ef9a1094ac4770	1228.02 ms	1252.47 ms	24.45 ms
5db87fadf4c77a122640220412fe7c704f60fb47	1218.88 ms	1251.53 ms	32.65 ms
139db8b9769c008210310800d3b8d39e7c5fe27c	1231.50 ms	1258.19 ms	26.69 ms
83bb97844b3d6332a45b423eff67beac3be3ff78	1238.33 ms	1260.04 ms	21.71 ms
891fd1d4209c595516927d48ed677a2917a7bf64	1220.02 ms	1227.60 ms	7.57 ms
2de3f92ef65432cb85855b449fff3513c07ae428	1207.56 ms	1234.96 ms	27.40 ms

App size

Revision	Plain	With Sentry	Diff
effeafa3422d4f571659ddecf6c36f527b80f45d	23.74 KiB	926.64 KiB	902.89 KiB
21375302b4c2afa2366ee8726a3a428feff3f082	23.75 KiB	933.33 KiB	909.58 KiB
5d238d36df08c29f7c2d6e448530c2ff4d02da14	23.75 KiB	913.62 KiB	889.88 KiB
efa740d79f6dadae7856c274c5c673e462d82a58	23.75 KiB	919.69 KiB	895.95 KiB
d157d83ca63eb1c3b1b899d109ef9a1094ac4770	23.75 KiB	928.85 KiB	905.10 KiB
5db87fadf4c77a122640220412fe7c704f60fb47	23.75 KiB	926.65 KiB	902.90 KiB
139db8b9769c008210310800d3b8d39e7c5fe27c	23.75 KiB	920.64 KiB	896.89 KiB
83bb97844b3d6332a45b423eff67beac3be3ff78	23.75 KiB	920.64 KiB	896.89 KiB
891fd1d4209c595516927d48ed677a2917a7bf64	23.75 KiB	919.92 KiB	896.17 KiB
2de3f92ef65432cb85855b449fff3513c07ae428	23.75 KiB	919.69 KiB	895.94 KiB

Previous results on branch: envelopeHeaderSwift

Startup times

Revision	Plain	With Sentry	Diff
1532434ad074589f06b9247355bd077913e40146	1231.52 ms	1259.47 ms	27.95 ms
fdf2ea80235978055648a415fa073a1b50ab6107	1218.63 ms	1251.82 ms	33.18 ms
cbea941cbde596907d9d276af9fdfc1cb8c2b37d	1237.08 ms	1259.14 ms	22.06 ms

App size

Revision	Plain	With Sentry	Diff
1532434ad074589f06b9247355bd077913e40146	23.75 KiB	947.72 KiB	923.97 KiB
fdf2ea80235978055648a415fa073a1b50ab6107	23.75 KiB	858.40 KiB	834.64 KiB
cbea941cbde596907d9d276af9fdfc1cb8c2b37d	23.75 KiB	947.72 KiB	923.97 KiB

[github-actions[bot]]

🚨 Detected changes in high risk code 🚨

High-risk code can easily blow up and is hard to test. We had severe bugs in the past. Be extra careful when changing these files, and have an extra careful look at these:

• [x] Sources/Sentry/SentrySerialization.m