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Refactor state and contract modules #2224

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Description

This PR has 2 major changes:

  1. Combine ContractNonce, ContractClassHash, and ContractDeploymentHeight into a single bucket called Contract.
    Separation of the contract fields in different buckets creates data duplication. Instead, we can encode them into a single object and store them in a single bucket. The slight performance degradation of encoding/decoding is insignificant as the fields are small.
    Migration codes are added along with the unit tests.

  2. Refactor State.Update, State.Revert and the removal of history.
    In the previous implementation, after applying each state diff (i.e. nonce, class hash, storage), the contract commitment is recalculated. This indicates that the higher the number of individual state diffs, the more times we need to recalculate the contract commitment.
    In this new implementation, a contract's commitment is calculated only once after all state diffs are applied to a contract object. Now, the number of contract commitment calculations depends on the number of contracts updated.

Benchmark Results

goos: darwin
goarch: arm64
pkg: github.com/NethermindEth/juno/core
cpu: Apple M3 Pro
               │   new.txt   │               old.txt               │
               │   sec/op    │   sec/op     vs base                │
StateUpdate-11   3.316m ± 2%   4.146m ± 2%  +25.03% (p=0.000 n=10)

               │   new.txt    │               old.txt                │
               │     B/op     │     B/op      vs base                │
StateUpdate-11   144.1Ki ± 0%   182.4Ki ± 0%  +26.53% (p=0.000 n=10)

               │   new.txt   │               old.txt               │
               │  allocs/op  │  allocs/op   vs base                │
StateUpdate-11   3.037k ± 0%   4.056k ± 0%  +33.54% (p=0.000 n=10)

@weiihann weiihann changed the title Weiihann/refactor state Refactor state and contract modules Oct 17, 2024
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codecov bot commented Oct 17, 2024

Codecov Report

Attention: Patch coverage is 65.50976% with 159 lines in your changes missing coverage. Please review.

Project coverage is 75.35%. Comparing base (3093ca8) to head (c466cca).

Files with missing lines Patch % Lines
core/state.go 68.16% 45 Missing and 33 partials ⚠️
migration/migration.go 47.05% 42 Missing and 21 partials ⚠️
core/contract.go 80.43% 10 Missing and 8 partials ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #2224      +/-   ##
==========================================
- Coverage   75.63%   75.35%   -0.28%     
==========================================
  Files         104      103       -1     
  Lines       11102    11168      +66     
==========================================
+ Hits         8397     8416      +19     
- Misses       2073     2104      +31     
- Partials      632      648      +16     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

@weiihann weiihann requested review from kirugan and IronGauntlets and removed request for kirugan October 17, 2024 10:17
@pnowosie pnowosie self-requested a review October 28, 2024 12:52
commit f5dc02c
Author: Kirill <[email protected]>
Date:   Thu Oct 17 11:15:15 2024 +0400

    Small restructure of plugin logic (#2221)

commit b43c46f
Author: Rian Hughes <[email protected]>
Date:   Wed Oct 16 15:42:07 2024 +0300

    Support plugins (#2051)

    Co-authored-by: rian <[email protected]>
    Co-authored-by: LordGhostX <[email protected]>

commit ca006de
Author: Kirill <[email protected]>
Date:   Wed Oct 16 16:14:16 2024 +0400

    Replace UnmarshalJSON() with UnmarshalText() for transaction statuses (#2220)

    * Replace UnmarshalJSON() with UnmarshalText() for transaction statuses

    UnmarshalText avoids issues with forgetting quotes in JSON, making it simpler for parsing plain text values.

fix merge conflicts
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state.go was hard to review I guess because of the method re-ordering and diff looks weird.
Only some minor comments

}

if oldValue != nil {
if err = cb(&key, oldValue); err != nil {
if oldVal != nil && logChanges {
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Checks the 2nd cond only if we care of logging

Suggested change
if oldVal != nil && logChanges {
if logChanges && oldVal != nil {

@@ -1,134 +0,0 @@
package core
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Do we have the functionality to read contract's historical data now?
I saw we log old values but can we read?

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👍 Ok they're implemented in state,go

assert.Equal(t, replacedVal, nonce)

require.NoError(t, state.Revert(2, nonceStateUpdate))
nonce, sErr = state.ContractNonce(new(felt.Felt).Set(&su1FirstDeployedAddress))
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Do we really need to pass a cloned value instead of the original (su1FirstDeployedAddress)
It's a bit hard to read 🤔
Also new(felt.Felt).SetUint64(n) 👇 bellow

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2 participants