feat: implement oracle log

[JhChoy]

Implementation of the trade log histories for the order book.

[codecov-commenter]

Codecov Report

Patch coverage: 88.88% and project coverage change: -0.35 ⚠️

Comparison is base (e1a3e46) 99.23% compared to head (3813b69) 98.88%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #27      +/-   ##
==========================================
- Coverage   99.23%   98.88%   -0.35%     
==========================================
  Files           9        9              
  Lines         521      539      +18     
  Branches       93       98       +5     
==========================================
+ Hits          517      533      +16     
  Misses          3        3              
- Partials        1        3       +2     

Impacted Files	Coverage Δ
contracts/OrderBook.sol	99.13% <88.88%> (-0.57%)	⬇️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.

[JhChoy]

It would be good to have tests for cases where it circulates.

[graykode]

It would be good to have tests for cases where it circulates.

14ccf8a Done!

[github-actions]

Test with 84bd445.

• EHET : Empty heap with empty segment tree
• EHDT : Empty heap with dirty segment tree
• FHET : Filled heap with empty segment tree
• FHFT : Filled heap with filled segment tree

Changes to gas cost

Generated at commit: 84bd44549d9e5745e7aba6fa1e4f224cece6cc4b, compared to commit: e1a3e4686e473012048de2893a258158af72144e

🧾 Summary (10% most significant diffs)

Contract	Method	Avg (+/-)	%
GasReporter contract	EHDT_FullyMarketAsk EHDT_PartiallyMarketBid EHET_PartiallyMarketAsk FHET_PartiallyMarketAsk FHFT_PartiallyMarketBid marketAskOrder	+25,644 ❌ +25,624 ❌ +25,644 ❌ +25,644 ❌ +25,624 ❌ +25,644 ❌	+29.74% +31.26% +29.73% +29.73% +31.25% +43.19%

---

Full diff report 👇

Contract	Deployment Cost (+/-)	Method	Min (+/-)	%	Avg (+/-)	%	Median (+/-)	%	Max (+/-)	%	# Calls (+/-)
GasReporter contract	948,376 (0)	EHDT_FullyCancelAsk EHDT_FullyCancelBid EHDT_FullyClaimAsk EHDT_FullyClaimBid EHDT_FullyMarketAsk EHDT_FullyMarketBid EHDT_LimitAsk EHDT_LimitBid EHDT_PartiallyCancelAsk EHDT_PartiallyCancelBid EHDT_PartiallyMarketAsk EHDT_PartiallyMarketBid EHET_FullyCancelAsk EHET_FullyCancelBid EHET_FullyClaimAsk EHET_FullyClaimBid EHET_FullyMarketAsk EHET_FullyMarketBid EHET_LimitAsk EHET_LimitBid EHET_PartiallyCancelAsk EHET_PartiallyCancelBid EHET_PartiallyMarketAsk EHET_PartiallyMarketBid FHET_FullyCancelAsk FHET_FullyCancelBid FHET_FullyMarketAsk FHET_FullyMarketBid FHET_LimitAsk FHET_LimitBid FHET_PartiallyCancelAsk FHET_PartiallyCancelBid FHET_PartiallyMarketAsk FHET_PartiallyMarketBid FHFT_FullyCancelAsk FHFT_FullyCancelBid FHFT_FullyMarketAsk FHFT_FullyMarketBid FHFT_LimitAsk FHFT_LimitBid FHFT_PartiallyCancelAsk FHFT_PartiallyCancelBid FHFT_PartiallyMarketAsk FHFT_PartiallyMarketBid cancelOrder limitAskOrder limitBidOrder marketAskOrder marketBidOrder	121,719 (+69) 120,818 (+69) 80,787 (+23) 80,714 (+23) 111,885 (+25,644) 115,019 (+25,623) 143,721 (-44) 156,772 (-44) 153,331 (+69) 152,466 (+69) 111,907 (+25,644) 107,606 (+25,624) 121,653 (+69) 137,919 (+69) 80,766 (+23) 80,713 (+23) 111,972 (+25,644) 100,336 (+20,499) 260,854 (-44) 239,634 (-44) 170,498 (+69) 169,587 (+69) 111,906 (+25,644) 90,567 (+20,499) 121,675 (+69) 137,876 (+69) 111,973 (+25,644) 100,369 (+20,498) 187,116 (-44) 166,216 (-44) 125,249 (+69) 141,473 (+69) 111,906 (+25,644) 90,567 (+20,499) 121,654 (+69) 120,751 (+69) 111,929 (+25,644) 115,041 (+25,623) 121,402 (-44) 117,451 (-44) 125,271 (+69) 124,416 (+69) 111,907 (+25,644) 107,628 (+25,624) 40,738 (+55) 46,914 (-35) 44,739 (-35) 84,018 (+25,644) 45,357 (+1,476)	+0.06% +0.06% +0.03% +0.03% +29.74% +28.66% -0.03% -0.03% +0.05% +0.05% +29.73% +31.26% +0.06% +0.05% +0.03% +0.03% +29.71% +25.68% -0.02% -0.02% +0.04% +0.04% +29.73% +29.26% +0.06% +0.05% +29.70% +25.66% -0.02% -0.03% +0.06% +0.05% +29.73% +29.26% +0.06% +0.06% +29.72% +28.66% -0.04% -0.04% +0.06% +0.06% +29.73% +31.25% +0.14% -0.07% -0.08% +43.93% +3.36%	121,719 (+69) 120,818 (+69) 80,787 (+23) 80,714 (+23) 111,885 (+25,644) 115,019 (+25,623) 143,721 (-44) 156,772 (-44) 153,331 (+69) 152,466 (+69) 111,907 (+25,644) 107,606 (+25,624) 121,653 (+69) 137,919 (+69) 80,766 (+23) 80,713 (+23) 111,972 (+25,644) 100,336 (+20,499) 260,854 (-44) 239,634 (-44) 170,498 (+69) 169,587 (+69) 111,906 (+25,644) 90,567 (+20,499) 121,675 (+69) 137,876 (+69) 111,973 (+25,644) 100,369 (+20,498) 187,116 (-44) 166,216 (-44) 125,249 (+69) 141,473 (+69) 111,906 (+25,644) 90,567 (+20,499) 121,654 (+69) 120,751 (+69) 111,929 (+25,644) 115,041 (+25,623) 121,402 (-44) 117,451 (-44) 125,271 (+69) 124,416 (+69) 111,907 (+25,644) 107,628 (+25,624) 41,779 (+55) 74,526 (-43) 84,445 (-42) 85,018 (+25,644) 50,026 (+1,660)	+0.06% +0.06% +0.03% +0.03% +29.74% +28.66% -0.03% -0.03% +0.05% +0.05% +29.73% +31.26% +0.06% +0.05% +0.03% +0.03% +29.71% +25.68% -0.02% -0.02% +0.04% +0.04% +29.73% +29.26% +0.06% +0.05% +29.70% +25.66% -0.02% -0.03% +0.06% +0.05% +29.73% +29.26% +0.06% +0.06% +29.72% +28.66% -0.04% -0.04% +0.06% +0.06% +29.73% +31.25% +0.13% -0.06% -0.05% +43.19% +3.43%	121,719 (+69) 120,818 (+69) 80,787 (+23) 80,714 (+23) 111,885 (+25,644) 115,019 (+25,623) 143,721 (-44) 156,772 (-44) 153,331 (+69) 152,466 (+69) 111,907 (+25,644) 107,606 (+25,624) 121,653 (+69) 137,919 (+69) 80,766 (+23) 80,713 (+23) 111,972 (+25,644) 100,336 (+20,499) 260,854 (-44) 239,634 (-44) 170,498 (+69) 169,587 (+69) 111,906 (+25,644) 90,567 (+20,499) 121,675 (+69) 137,876 (+69) 111,973 (+25,644) 100,369 (+20,498) 187,116 (-44) 166,216 (-44) 125,249 (+69) 141,473 (+69) 111,906 (+25,644) 90,567 (+20,499) 121,654 (+69) 120,751 (+69) 111,929 (+25,644) 115,041 (+25,623) 121,402 (-44) 117,451 (-44) 125,271 (+69) 124,416 (+69) 111,907 (+25,644) 107,628 (+25,624) 42,819 (+55) 79,674 (-44) 96,855 (-44) 85,018 (+25,644) 50,026 (+1,660)	+0.06% +0.06% +0.03% +0.03% +29.74% +28.66% -0.03% -0.03% +0.05% +0.05% +29.73% +31.26% +0.06% +0.05% +0.03% +0.03% +29.71% +25.68% -0.02% -0.02% +0.04% +0.04% +29.73% +29.26% +0.06% +0.05% +29.70% +25.66% -0.02% -0.03% +0.06% +0.05% +29.73% +29.26% +0.06% +0.06% +29.72% +28.66% -0.04% -0.04% +0.06% +0.06% +29.73% +31.25% +0.13% -0.06% -0.05% +43.19% +3.43%	121,719 (+69) 120,818 (+69) 80,787 (+23) 80,714 (+23) 111,885 (+25,644) 115,019 (+25,623) 143,721 (-44) 156,772 (-44) 153,331 (+69) 152,466 (+69) 111,907 (+25,644) 107,606 (+25,624) 121,653 (+69) 137,919 (+69) 80,766 (+23) 80,713 (+23) 111,972 (+25,644) 100,336 (+20,499) 260,854 (-44) 239,634 (-44) 170,498 (+69) 169,587 (+69) 111,906 (+25,644) 90,567 (+20,499) 121,675 (+69) 137,876 (+69) 111,973 (+25,644) 100,369 (+20,498) 187,116 (-44) 166,216 (-44) 125,249 (+69) 141,473 (+69) 111,906 (+25,644) 90,567 (+20,499) 121,654 (+69) 120,751 (+69) 111,929 (+25,644) 115,041 (+25,623) 121,402 (-44) 117,451 (-44) 125,271 (+69) 124,416 (+69) 111,907 (+25,644) 107,628 (+25,624) 61,939 (+55) 215,074 (-44) 234,265 (-44) 86,018 (+25,644) 54,696 (+1,845)	+0.06% +0.06% +0.03% +0.03% +29.74% +28.66% -0.03% -0.03% +0.05% +0.05% +29.73% +31.26% +0.06% +0.05% +0.03% +0.03% +29.71% +25.68% -0.02% -0.02% +0.04% +0.04% +29.73% +29.26% +0.06% +0.05% +29.70% +25.66% -0.02% -0.03% +0.06% +0.05% +29.73% +29.26% +0.06% +0.06% +29.72% +28.66% -0.04% -0.04% +0.06% +0.06% +29.73% +31.25% +0.09% -0.02% -0.02% +42.48% +3.49%	1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 1 (0) 294,912 (0) 245,784 (0) 245,784 (0) 4 (0) 4 (0)