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Prevent container mutation while iterating #3126

Merged
merged 2 commits into from
Feb 27, 2024
Merged

Prevent container mutation while iterating #3126

merged 2 commits into from
Feb 27, 2024

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SupunS
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@SupunS SupunS commented Feb 22, 2024 •
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Closes #2961

Description

NOTE:

  1. Hide whitespace changes when reviewing the PR/diff. There are lot of indentation changes.
  2. Many of the changes are for passing the locationRange for functions where necessary. I've annotated the important changes that is being added as the main objective of this PR.
  • Targeted PR against master branch
  • Linked to Github issue with discussion and accepted design OR link to spec that describes this work
  • Code follows the standards mentioned here
  • Updated relevant documentation
  • Re-reviewed Files changed in the Github PR explorer
  • Added appropriate labels

@SupunS SupunS added the Language Breaking Change Breaks Cadence contracts deployed on Mainnet label Feb 22, 2024
@SupunS SupunS self-assigned this Feb 22, 2024
@SupunS SupunS mentioned this pull request Feb 22, 2024
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SupunS
SupunS commented Feb 22, 2024
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github-actions bot commented Feb 22, 2024 •
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Cadence Benchstat comparison

This branch with compared with the base branch onflow:master commit a9778bd
The command for i in {1..N}; do go test ./... -run=XXX -bench=. -benchmem -shuffle=on; done was used.
Bench tests were run a total of 7 times on each branch.

Collapsed results for better readability

old.txtnew.txt
time/opdelta
DecodeBatchEventsCCF-4127ms ± 0%129ms ± 0%~(p=1.000 n=1+1)
DecodeBatchEventsJSON-4398ms ± 0%396ms ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowFees.FeesDeducted-42.77µs ± 0%2.82µs ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowFees.TokensWithdrawn-42.10µs ± 0%2.13µs ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowIDTableStaking.DelegatorRewardsPaid-42.73µs ± 0%2.87µs ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowIDTableStaking.EpochTotalRewardsPaid-43.06µs ± 0%3.12µs ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowIDTableStaking.NewWeeklyPayout-42.12µs ± 0%2.21µs ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowIDTableStaking.RewardsPaid-42.50µs ± 0%2.49µs ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowToken.TokensDeposited-42.54µs ± 0%2.59µs ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowToken.TokensDeposited_with_nil_receiver-42.45µs ± 0%2.72µs ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowToken.TokensMinted-42.12µs ± 0%2.14µs ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowToken.TokensWithdrawn-42.57µs ± 0%2.61µs ± 0%~(p=1.000 n=1+1)
DecodeJSON/FlowFees.FeesDeducted-49.83µs ± 0%10.25µs ± 0%~(p=1.000 n=1+1)
DecodeJSON/FlowFees.TokensWithdrawn-45.69µs ± 0%5.68µs ± 0%~(p=1.000 n=1+1)
DecodeJSON/FlowIDTableStaking.DelegatorRewardsPaid-48.94µs ± 0%8.91µs ± 0%~(p=1.000 n=1+1)
DecodeJSON/FlowIDTableStaking.EpochTotalRewardsPaid-412.2µs ± 0%12.2µs ± 0%~(p=1.000 n=1+1)
DecodeJSON/FlowIDTableStaking.NewWeeklyPayout-45.85µs ± 0%5.80µs ± 0%~(p=1.000 n=1+1)
DecodeJSON/FlowIDTableStaking.RewardsPaid-47.96µs ± 0%7.54µs ± 0%~(p=1.000 n=1+1)
DecodeJSON/FlowToken.TokensDeposited-47.83µs ± 0%7.83µs ± 0%~(all equal)
DecodeJSON/FlowToken.TokensDeposited_with_nil_receiver-47.09µs ± 0%7.10µs ± 0%~(p=1.000 n=1+1)
DecodeJSON/FlowToken.TokensMinted-45.78µs ± 0%5.74µs ± 0%~(p=1.000 n=1+1)
DecodeJSON/FlowToken.TokensWithdrawn-47.82µs ± 0%7.82µs ± 0%~(all equal)
EncodeBatchEventsCCF-488.8ms ± 0%89.4ms ± 0%~(p=1.000 n=1+1)
EncodeBatchEventsJSON-4107ms ± 0%107ms ± 0%~(p=1.000 n=1+1)
EncodeCCF/FlowFees.FeesDeducted-41.97µs ± 0%2.03µs ± 0%~(p=1.000 n=1+1)
EncodeCCF/FlowFees.TokensWithdrawn-41.56µs ± 0%1.57µs ± 0%~(p=1.000 n=1+1)
EncodeCCF/FlowIDTableStaking.DelegatorRewardsPaid-41.93µs ± 0%1.93µs ± 0%~(all equal)
EncodeCCF/FlowIDTableStaking.EpochTotalRewardsPaid-42.24µs ± 0%2.27µs ± 0%~(p=1.000 n=1+1)
EncodeCCF/FlowIDTableStaking.NewWeeklyPayout-41.60µs ± 0%1.60µs ± 0%~(p=1.000 n=1+1)
EncodeCCF/FlowIDTableStaking.RewardsPaid-41.74µs ± 0%1.77µs ± 0%~(p=1.000 n=1+1)
EncodeCCF/FlowToken.TokensDeposited-41.78µs ± 0%1.79µs ± 0%~(p=1.000 n=1+1)
EncodeCCF/FlowToken.TokensDeposited_with_nil_receiver-41.78µs ± 0%1.78µs ± 0%~(p=1.000 n=1+1)
EncodeCCF/FlowToken.TokensMinted-41.57µs ± 0%1.57µs ± 0%~(p=1.000 n=1+1)
EncodeCCF/FlowToken.TokensWithdrawn-41.79µs ± 0%1.81µs ± 0%~(p=1.000 n=1+1)
EncodeJSON/FlowFees.FeesDeducted-42.49µs ± 0%2.49µs ± 0%~(p=1.000 n=1+1)
EncodeJSON/FlowFees.TokensWithdrawn-41.41µs ± 0%1.42µs ± 0%~(p=1.000 n=1+1)
EncodeJSON/FlowIDTableStaking.DelegatorRewardsPaid-42.23µs ± 0%2.23µs ± 0%~(p=1.000 n=1+1)
EncodeJSON/FlowIDTableStaking.EpochTotalRewardsPaid-43.09µs ± 0%3.16µs ± 0%~(p=1.000 n=1+1)
EncodeJSON/FlowIDTableStaking.NewWeeklyPayout-41.46µs ± 0%1.46µs ± 0%~(p=1.000 n=1+1)
EncodeJSON/FlowIDTableStaking.RewardsPaid-41.88µs ± 0%1.90µs ± 0%~(p=1.000 n=1+1)
EncodeJSON/FlowToken.TokensDeposited-42.20µs ± 0%2.17µs ± 0%~(p=1.000 n=1+1)
EncodeJSON/FlowToken.TokensDeposited_with_nil_receiver-41.68µs ± 0%1.70µs ± 0%~(p=1.000 n=1+1)
EncodeJSON/FlowToken.TokensMinted-41.43µs ± 0%1.42µs ± 0%~(p=1.000 n=1+1)
EncodeJSON/FlowToken.TokensWithdrawn-42.14µs ± 0%2.16µs ± 0%~(p=1.000 n=1+1)
ExportType/composite_type-4298ns ± 0%296ns ± 0%~(p=1.000 n=1+1)
ExportType/simple_type-471.6ns ± 0%70.6ns ± 0%~(p=1.000 n=1+1)
InterpretRecursionFib-42.16ms ± 0%2.18ms ± 0%~(p=1.000 n=1+1)
NewInterpreter/new_interpreter-4901ns ± 0%978ns ± 0%~(p=1.000 n=1+1)
NewInterpreter/new_sub-interpreter-4447ns ± 0%455ns ± 0%~(p=1.000 n=1+1)
ParseArray-45.84ms ± 1%6.06ms ± 1%~(p=0.333 n=2+2)
ParseDeploy/byte_array-48.86ms ± 0%9.25ms ± 1%~(p=0.333 n=2+2)
ParseDeploy/decode_hex-41.00ms ± 0%1.00ms ± 0%~(p=1.000 n=2+2)
ParseFungibleToken/With_memory_metering-4147µs ± 3%152µs ± 2%~(p=0.667 n=2+2)
ParseFungibleToken/Without_memory_metering-4116µs ± 3%117µs ± 4%~(p=0.667 n=2+2)
ParseInfix-45.19µs ± 0%5.28µs ± 1%~(p=0.333 n=2+2)
QualifiedIdentifierCreation/One_level-42.48ns ± 0%2.48ns ± 0%~(p=1.000 n=1+1)
QualifiedIdentifierCreation/Three_levels-483.7ns ± 0%83.5ns ± 0%~(p=1.000 n=1+1)
RuntimeScriptNoop-43.64µs ± 0%3.64µs ± 0%~(p=1.000 n=1+1)
SuperTypeInference/arrays-4240ns ± 0%240ns ± 0%~(all equal)
SuperTypeInference/composites-489.5ns ± 0%89.6ns ± 0%~(p=1.000 n=1+1)
SuperTypeInference/integers-4316ns ± 0%314ns ± 0%~(p=1.000 n=1+1)
ValueIsSubtypeOfSemaType-469.4ns ± 0%69.1ns ± 0%~(p=1.000 n=1+1)
 
alloc/opdelta
DecodeBatchEventsCCF-466.1MB ± 0%66.1MB ± 0%~(p=1.000 n=1+1)
DecodeBatchEventsJSON-4244MB ± 0%244MB ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowFees.FeesDeducted-41.39kB ± 0%1.39kB ± 0%~(all equal)
DecodeCCF/FlowFees.TokensWithdrawn-41.20kB ± 0%1.20kB ± 0%~(all equal)
DecodeCCF/FlowIDTableStaking.DelegatorRewardsPaid-41.47kB ± 0%1.47kB ± 0%~(all equal)
DecodeCCF/FlowIDTableStaking.EpochTotalRewardsPaid-41.48kB ± 0%1.48kB ± 0%~(all equal)
DecodeCCF/FlowIDTableStaking.NewWeeklyPayout-41.25kB ± 0%1.25kB ± 0%~(all equal)
DecodeCCF/FlowIDTableStaking.RewardsPaid-41.37kB ± 0%1.37kB ± 0%~(all equal)
DecodeCCF/FlowToken.TokensDeposited-41.31kB ± 0%1.31kB ± 0%~(all equal)
DecodeCCF/FlowToken.TokensDeposited_with_nil_receiver-41.30kB ± 0%1.30kB ± 0%~(all equal)
DecodeCCF/FlowToken.TokensMinted-41.20kB ± 0%1.20kB ± 0%~(all equal)
DecodeCCF/FlowToken.TokensWithdrawn-41.32kB ± 0%1.32kB ± 0%~(all equal)
DecodeJSON/FlowFees.FeesDeducted-46.00kB ± 0%6.00kB ± 0%~(all equal)
DecodeJSON/FlowFees.TokensWithdrawn-43.60kB ± 0%3.60kB ± 0%~(all equal)
DecodeJSON/FlowIDTableStaking.DelegatorRewardsPaid-45.43kB ± 0%5.43kB ± 0%~(all equal)
DecodeJSON/FlowIDTableStaking.EpochTotalRewardsPaid-47.35kB ± 0%7.35kB ± 0%~(all equal)
DecodeJSON/FlowIDTableStaking.NewWeeklyPayout-43.64kB ± 0%3.64kB ± 0%~(all equal)
DecodeJSON/FlowIDTableStaking.RewardsPaid-44.54kB ± 0%4.54kB ± 0%~(all equal)
DecodeJSON/FlowToken.TokensDeposited-44.88kB ± 0%4.88kB ± 0%~(all equal)
DecodeJSON/FlowToken.TokensDeposited_with_nil_receiver-44.46kB ± 0%4.46kB ± 0%~(all equal)
DecodeJSON/FlowToken.TokensMinted-43.60kB ± 0%3.60kB ± 0%~(all equal)
DecodeJSON/FlowToken.TokensWithdrawn-44.88kB ± 0%4.88kB ± 0%~(all equal)
EncodeBatchEventsCCF-462.4MB ± 0%62.4MB ± 0%~(p=1.000 n=1+1)
EncodeBatchEventsJSON-439.1MB ± 0%39.1MB ± 0%~(p=1.000 n=1+1)
EncodeCCF/FlowFees.FeesDeducted-41.22kB ± 0%1.22kB ± 0%~(all equal)
EncodeCCF/FlowFees.TokensWithdrawn-41.17kB ± 0%1.17kB ± 0%~(all equal)
EncodeCCF/FlowIDTableStaking.DelegatorRewardsPaid-41.44kB ± 0%1.44kB ± 0%~(all equal)
EncodeCCF/FlowIDTableStaking.EpochTotalRewardsPaid-41.41kB ± 0%1.41kB ± 0%~(all equal)
EncodeCCF/FlowIDTableStaking.NewWeeklyPayout-41.34kB ± 0%1.34kB ± 0%~(all equal)
EncodeCCF/FlowIDTableStaking.RewardsPaid-41.42kB ± 0%1.42kB ± 0%~(all equal)
EncodeCCF/FlowToken.TokensDeposited-41.22kB ± 0%1.22kB ± 0%~(all equal)
EncodeCCF/FlowToken.TokensDeposited_with_nil_receiver-41.20kB ± 0%1.20kB ± 0%~(all equal)
EncodeCCF/FlowToken.TokensMinted-41.17kB ± 0%1.17kB ± 0%~(all equal)
EncodeCCF/FlowToken.TokensWithdrawn-41.22kB ± 0%1.22kB ± 0%~(all equal)
EncodeJSON/FlowFees.FeesDeducted-4864B ± 0%864B ± 0%~(all equal)
EncodeJSON/FlowFees.TokensWithdrawn-4504B ± 0%504B ± 0%~(all equal)
EncodeJSON/FlowIDTableStaking.DelegatorRewardsPaid-4888B ± 0%888B ± 0%~(all equal)
EncodeJSON/FlowIDTableStaking.EpochTotalRewardsPaid-41.08kB ± 0%1.08kB ± 0%~(all equal)
EncodeJSON/FlowIDTableStaking.NewWeeklyPayout-4552B ± 0%552B ± 0%~(all equal)
EncodeJSON/FlowIDTableStaking.RewardsPaid-4752B ± 0%752B ± 0%~(all equal)
EncodeJSON/FlowToken.TokensDeposited-4776B ± 0%776B ± 0%~(all equal)
EncodeJSON/FlowToken.TokensDeposited_with_nil_receiver-4640B ± 0%640B ± 0%~(all equal)
EncodeJSON/FlowToken.TokensMinted-4512B ± 0%512B ± 0%~(all equal)
EncodeJSON/FlowToken.TokensWithdrawn-4768B ± 0%768B ± 0%~(all equal)
ExportType/composite_type-4120B ± 0%120B ± 0%~(all equal)
ExportType/simple_type-40.00B 0.00B ~(all equal)
InterpretRecursionFib-41.00MB ± 0%1.00MB ± 0%~(p=1.000 n=1+1)
NewInterpreter/new_interpreter-4944B ± 0%944B ± 0%~(all equal)
NewInterpreter/new_sub-interpreter-4200B ± 0%200B ± 0%~(all equal)
ParseArray-42.68MB ± 1%2.73MB ± 1%~(p=0.667 n=2+2)
ParseDeploy/byte_array-44.22MB ± 0%4.22MB ± 0%~(p=0.333 n=2+2)
ParseDeploy/decode_hex-4214kB ± 0%214kB ± 0%~(p=1.000 n=2+2)
ParseFungibleToken/With_memory_metering-429.6kB ± 0%29.6kB ± 0%~(p=1.000 n=2+2)
ParseFungibleToken/Without_memory_metering-429.6kB ± 0%29.6kB ± 0%~(p=0.667 n=2+2)
ParseInfix-41.92kB ± 0%1.92kB ± 0%~(p=1.000 n=2+2)
QualifiedIdentifierCreation/One_level-40.00B 0.00B ~(all equal)
QualifiedIdentifierCreation/Three_levels-464.0B ± 0%64.0B ± 0%~(all equal)
RuntimeScriptNoop-43.21kB ± 0%3.21kB ± 0%~(all equal)
SuperTypeInference/arrays-496.0B ± 0%96.0B ± 0%~(all equal)
SuperTypeInference/composites-40.00B 0.00B ~(all equal)
SuperTypeInference/integers-40.00B 0.00B ~(all equal)
ValueIsSubtypeOfSemaType-448.0B ± 0%48.0B ± 0%~(all equal)
 
allocs/opdelta
DecodeBatchEventsCCF-41.48M ± 0%1.48M ± 0%~(p=1.000 n=1+1)
DecodeBatchEventsJSON-44.70M ± 0%4.70M ± 0%~(p=1.000 n=1+1)
DecodeCCF/FlowFees.FeesDeducted-430.0 ± 0%30.0 ± 0%~(all equal)
DecodeCCF/FlowFees.TokensWithdrawn-426.0 ± 0%26.0 ± 0%~(all equal)
DecodeCCF/FlowIDTableStaking.DelegatorRewardsPaid-430.0 ± 0%30.0 ± 0%~(all equal)
DecodeCCF/FlowIDTableStaking.EpochTotalRewardsPaid-432.0 ± 0%32.0 ± 0%~(all equal)
DecodeCCF/FlowIDTableStaking.NewWeeklyPayout-426.0 ± 0%26.0 ± 0%~(all equal)
DecodeCCF/FlowIDTableStaking.RewardsPaid-429.0 ± 0%29.0 ± 0%~(all equal)
DecodeCCF/FlowToken.TokensDeposited-431.0 ± 0%31.0 ± 0%~(all equal)
DecodeCCF/FlowToken.TokensDeposited_with_nil_receiver-429.0 ± 0%29.0 ± 0%~(all equal)
DecodeCCF/FlowToken.TokensMinted-426.0 ± 0%26.0 ± 0%~(all equal)
DecodeCCF/FlowToken.TokensWithdrawn-431.0 ± 0%31.0 ± 0%~(all equal)
DecodeJSON/FlowFees.FeesDeducted-4126 ± 0%126 ± 0%~(all equal)
DecodeJSON/FlowFees.TokensWithdrawn-471.0 ± 0%71.0 ± 0%~(all equal)
DecodeJSON/FlowIDTableStaking.DelegatorRewardsPaid-4102 ± 0%102 ± 0%~(all equal)
DecodeJSON/FlowIDTableStaking.EpochTotalRewardsPaid-4159 ± 0%159 ± 0%~(all equal)
DecodeJSON/FlowIDTableStaking.NewWeeklyPayout-470.0 ± 0%70.0 ± 0%~(all equal)
DecodeJSON/FlowIDTableStaking.RewardsPaid-487.0 ± 0%87.0 ± 0%~(all equal)
DecodeJSON/FlowToken.TokensDeposited-495.0 ± 0%95.0 ± 0%~(all equal)
DecodeJSON/FlowToken.TokensDeposited_with_nil_receiver-486.0 ± 0%86.0 ± 0%~(all equal)
DecodeJSON/FlowToken.TokensMinted-471.0 ± 0%71.0 ± 0%~(all equal)
DecodeJSON/FlowToken.TokensWithdrawn-495.0 ± 0%95.0 ± 0%~(all equal)
EncodeBatchEventsCCF-4950k ± 0%950k ± 0%~(p=1.000 n=1+1)
EncodeBatchEventsJSON-4853k ± 0%853k ± 0%~(p=1.000 n=1+1)
EncodeCCF/FlowFees.FeesDeducted-419.0 ± 0%19.0 ± 0%~(all equal)
EncodeCCF/FlowFees.TokensWithdrawn-419.0 ± 0%19.0 ± 0%~(all equal)
EncodeCCF/FlowIDTableStaking.DelegatorRewardsPaid-419.0 ± 0%19.0 ± 0%~(all equal)
EncodeCCF/FlowIDTableStaking.EpochTotalRewardsPaid-419.0 ± 0%19.0 ± 0%~(all equal)
EncodeCCF/FlowIDTableStaking.NewWeeklyPayout-419.0 ± 0%19.0 ± 0%~(all equal)
EncodeCCF/FlowIDTableStaking.RewardsPaid-419.0 ± 0%19.0 ± 0%~(all equal)
EncodeCCF/FlowToken.TokensDeposited-420.0 ± 0%20.0 ± 0%~(all equal)
EncodeCCF/FlowToken.TokensDeposited_with_nil_receiver-420.0 ± 0%20.0 ± 0%~(all equal)
EncodeCCF/FlowToken.TokensMinted-419.0 ± 0%19.0 ± 0%~(all equal)
EncodeCCF/FlowToken.TokensWithdrawn-420.0 ± 0%20.0 ± 0%~(all equal)
EncodeJSON/FlowFees.FeesDeducted-419.0 ± 0%19.0 ± 0%~(all equal)
EncodeJSON/FlowFees.TokensWithdrawn-412.0 ± 0%12.0 ± 0%~(all equal)
EncodeJSON/FlowIDTableStaking.DelegatorRewardsPaid-416.0 ± 0%16.0 ± 0%~(all equal)
EncodeJSON/FlowIDTableStaking.EpochTotalRewardsPaid-425.0 ± 0%25.0 ± 0%~(all equal)
EncodeJSON/FlowIDTableStaking.NewWeeklyPayout-412.0 ± 0%12.0 ± 0%~(all equal)
EncodeJSON/FlowIDTableStaking.RewardsPaid-415.0 ± 0%15.0 ± 0%~(all equal)
EncodeJSON/FlowToken.TokensDeposited-419.0 ± 0%19.0 ± 0%~(all equal)
EncodeJSON/FlowToken.TokensDeposited_with_nil_receiver-414.0 ± 0%14.0 ± 0%~(all equal)
EncodeJSON/FlowToken.TokensMinted-413.0 ± 0%13.0 ± 0%~(all equal)
EncodeJSON/FlowToken.TokensWithdrawn-418.0 ± 0%18.0 ± 0%~(all equal)
ExportType/composite_type-43.00 ± 0%3.00 ± 0%~(all equal)
ExportType/simple_type-40.00 0.00 ~(all equal)
InterpretRecursionFib-418.9k ± 0%18.9k ± 0%~(all equal)
NewInterpreter/new_interpreter-415.0 ± 0%15.0 ± 0%~(all equal)
NewInterpreter/new_sub-interpreter-44.00 ± 0%4.00 ± 0%~(all equal)
ParseArray-459.6k ± 0%59.6k ± 0%~(p=0.667 n=2+2)
ParseDeploy/byte_array-489.4k ± 0%89.4k ± 0%~(p=0.667 n=2+2)
ParseDeploy/decode_hex-463.0 ± 0%63.0 ± 0%~(all equal)
ParseFungibleToken/With_memory_metering-4773 ± 1%773 ± 1%~(p=1.000 n=2+2)
ParseFungibleToken/Without_memory_metering-4773 ± 1%773 ± 1%~(p=1.000 n=2+2)
ParseInfix-448.0 ± 0%48.0 ± 0%~(all equal)
QualifiedIdentifierCreation/One_level-40.00 0.00 ~(all equal)
QualifiedIdentifierCreation/Three_levels-42.00 ± 0%2.00 ± 0%~(all equal)
RuntimeScriptNoop-451.0 ± 0%51.0 ± 0%~(all equal)
SuperTypeInference/arrays-43.00 ± 0%3.00 ± 0%~(all equal)
SuperTypeInference/composites-40.00 0.00 ~(all equal)
SuperTypeInference/integers-40.00 0.00 ~(all equal)
ValueIsSubtypeOfSemaType-41.00 ± 0%1.00 ± 0%~(all equal)
 

@SupunS SupunS marked this pull request as ready for review February 22, 2024 15:02
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codecov bot commented Feb 22, 2024 •
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Codecov Report

Attention: Patch coverage is 84.59119% with 49 lines in your changes are missing coverage. Please review.

Project coverage is 80.62%. Comparing base (99159e8) to head (2354104).
Report is 63 commits behind head on master.

Files Patch % Lines
runtime/stdlib/test.go 28.00% 18 Missing ⚠️
runtime/interpreter/interpreter.go 83.63% 6 Missing and 3 partials ⚠️
runtime/stdlib/bls.go 69.23% 4 Missing and 4 partials ⚠️
runtime/stdlib/test_emulatorbackend.go 41.66% 7 Missing ⚠️
runtime/convertValues.go 83.33% 2 Missing and 1 partial ⚠️
runtime/interpreter/value.go 98.33% 2 Missing ⚠️
runtime/interpreter/value_string.go 95.34% 1 Missing and 1 partial ⚠️
Additional details and impacted files 
@@            Coverage Diff             @@
##           master    #3126      +/-   ##
==========================================
- Coverage   80.67%   80.62%   -0.05%     
==========================================
  Files         379      380       +1     
  Lines       91523    92053     +530     
==========================================
+ Hits        73834    74218     +384     
- Misses      15047    15160     +113     
- Partials     2642     2675      +33
Flag Coverage Δ
unittests 80.62% <84.59%> (-0.05%) ⬇️

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dsainati1
dsainati1 approved these changes Feb 26, 2024
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To check my understanding, this just extends the existing logic for resource containers to struct containers as well?

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SupunS commented Feb 26, 2024

To check my understanding, this just extends the existing logic for resource containers to struct containers as well?

Yes, precisely.

turbolent
turbolent reviewed Feb 26, 2024
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Nice!

Changes look good, mostly just concerned about impact on "unrelated" code

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As discussed maybe make the transfer in the iteration function optional, and only use it for the for-loop to begin with.
That way it does not impact other code that use the iteration functions, but assumes in-place mutation is supported.
We can then audit and fix/adjust these other uses of the iteration functions separately.

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SupunS commented Feb 27, 2024 •
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Made the transfer optional and only enabled it for the for loop: 2354104.
There are cases we shouldn't actually transfer the element (added a test in the commit). Good call to make it optional! @turbolent 🥇

@SupunS SupunS force-pushed the supun/reject-container-mutation branch from 797b125 to 2354104 Compare February 27, 2024 05:08
turbolent
turbolent approved these changes Feb 27, 2024
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Nice!

@SupunS SupunS merged commit c1d9e7c into master Feb 27, 2024
11 of 14 checks passed
@SupunS SupunS deleted the supun/reject-container-mutation branch February 27, 2024 05:58
@SupunS SupunS mentioned this pull request Feb 27, 2024
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@turbolent turbolent turbolent approved these changes

@dsainati1 dsainati1 dsainati1 approved these changes

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Language Breaking Change Breaks Cadence contracts deployed on Mainnet
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Reject container mutation while iterating
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