Ccip-5315 ocr params defaults #16573
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,97 @@ | ||
| package globals | ||
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| import ( | ||
| "fmt" | ||
| "time" | ||
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| "dario.cat/mergo" | ||
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| "github.com/smartcontractkit/chainlink/deployment/common/types" | ||
| ) | ||
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| // Intention of this file is to be a single source of the truth for OCR3 parameters used by CCIP plugins. | ||
| // | ||
| // Assumptions: | ||
| // - Although, some values are similar between Commit and Execute, we should keep them separate, because | ||
| // these plugins have different requirements and characteristics. This way we can avoid misconfiguration | ||
| // by accidentally changing parameter for one plugin while adjusting it for the other | ||
| // - OCR3 parameters are chain agnostic and should be reused across different chains. There might be some use cases | ||
| // for overrides to accommodate specific chain characteristics (e.g. Ethereum). | ||
| // However, for most of the cases we should strive to rely on defaults under CommitOCRParams and ExecOCRParams. | ||
| // This makes the testing process much easier and increase our confidence that the configuration is safe to use. | ||
| // - The fewer overrides the better. Introducing new overrides should be done with caution and only if there's a strong | ||
| // justification for it. Moreover, it requires detailed chaos / load testing to ensure that the new parameters are safe to use | ||
| // and meet CCIP SLOs | ||
| // - Single params must not be stored under const or exposed outside of this file to limit the risk of | ||
| // accidental configuration or partial configuration | ||
| // - MaxDurations should be set on the latencies observed on various environments using p99 OCR3 latencies | ||
| // These values should be specific to the plugin type and should not depend on the chain family | ||
| // or the environment in which plugin runs | ||
| var ( | ||
| // CommitOCRParams represents the default OCR3 parameters for all chains (beside Ethereum, see CommitOCRParamsForEthereum). | ||
| // Most of the intervals here should be generic enough (and chain agnostic) to be reused across different chains. | ||
| CommitOCRParams = types.OCRParameters{ | ||
| DeltaProgress: 120 * time.Second, | ||
| DeltaResend: 30 * time.Second, | ||
| DeltaInitial: 20 * time.Second, | ||
| DeltaRound: 15 * time.Second, | ||
| DeltaGrace: 5 * time.Second, | ||
| DeltaCertifiedCommitRequest: 10 * time.Second, | ||
| // TransmissionDelayMultiplier overrides DeltaStage | ||
| DeltaStage: 25 * time.Second, | ||
| Rmax: 3, | ||
| MaxDurationQuery: 7 * time.Second, | ||
| MaxDurationObservation: 13 * time.Second, | ||
| MaxDurationShouldAcceptAttestedReport: 5 * time.Second, | ||
| MaxDurationShouldTransmitAcceptedReport: 10 * time.Second, | ||
| } | ||
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| // CommitOCRParamsForEthereum represents a dedicated set of OCR3 parameters for Ethereum. | ||
| // It's driven by the fact that Ethereum block time is slow (12 seconds) and chain is considered | ||
| // more expensive to other EVM compatible chains | ||
| CommitOCRParamsForEthereum = withOverrides( | ||
| CommitOCRParams, | ||
| types.OCRParameters{ | ||
| DeltaRound: 90 * time.Second, | ||
| DeltaStage: 60 * time.Second, | ||
| }, | ||
| ) | ||
| ) | ||
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| var ( | ||
| // ExecOCRParams represents the default OCR3 parameters for all chains (beside Ethereum, see ExecOCRParamsForEthereum). | ||
| ExecOCRParams = types.OCRParameters{ | ||
| DeltaProgress: 100 * time.Second, | ||
| DeltaResend: 30 * time.Second, | ||
| DeltaInitial: 20 * time.Second, | ||
| DeltaRound: 15 * time.Second, | ||
| DeltaGrace: 5 * time.Second, | ||
| DeltaCertifiedCommitRequest: 10 * time.Second, | ||
| // TransmissionDelayMultiplier overrides DeltaStage | ||
| DeltaStage: 25 * time.Second, | ||
| Rmax: 3, | ||
| // MaxDurationQuery is set to very low value, because Execution plugin doesn't use Query | ||
| MaxDurationQuery: 200 * time.Millisecond, | ||
| MaxDurationObservation: 13 * time.Second, | ||
| MaxDurationShouldAcceptAttestedReport: 5 * time.Second, | ||
| MaxDurationShouldTransmitAcceptedReport: 10 * time.Second, | ||
| } | ||
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| // ExecOCRParamsForEthereum represents a dedicated set of OCR3 parameters for Ethereum. | ||
| // Similarly to Commit, it's here to accommodate Ethereum specific characteristics | ||
| ExecOCRParamsForEthereum = withOverrides( | ||
| ExecOCRParams, | ||
| types.OCRParameters{ | ||
| DeltaRound: 90 * time.Second, | ||
| DeltaStage: 60 * time.Second, | ||
| }, | ||
| ) | ||
| ) | ||
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| func withOverrides(base types.OCRParameters, overrides types.OCRParameters) types.OCRParameters { | ||
| outcome := base | ||
| if err := mergo.Merge(&outcome, overrides, mergo.WithOverride); err != nil { | ||
| panic(fmt.Sprintf("error while building an OCR config %v", err)) | ||
| } | ||
| return outcome | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| package globals | ||
|
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| import ( | ||
| "github.com/stretchr/testify/assert" | ||
| "testing" | ||
| "time" | ||
| ) | ||
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| func Test_MergeWithOverrides(t *testing.T) { | ||
| assert.Equal(t, ExecOCRParams.DeltaProgress, ExecOCRParamsForEthereum.DeltaProgress) | ||
| assert.Equal(t, ExecOCRParams.DeltaResend, ExecOCRParamsForEthereum.DeltaResend) | ||
| assert.Equal(t, ExecOCRParams.DeltaInitial, ExecOCRParamsForEthereum.DeltaInitial) | ||
| assert.Equal(t, ExecOCRParams.DeltaGrace, ExecOCRParamsForEthereum.DeltaGrace) | ||
| assert.Equal(t, ExecOCRParams.DeltaCertifiedCommitRequest, ExecOCRParamsForEthereum.DeltaCertifiedCommitRequest) | ||
| assert.Equal(t, ExecOCRParams.MaxDurationQuery, ExecOCRParamsForEthereum.MaxDurationQuery) | ||
| assert.Equal(t, ExecOCRParams.MaxDurationObservation, ExecOCRParamsForEthereum.MaxDurationObservation) | ||
| assert.Equal(t, ExecOCRParams.MaxDurationShouldAcceptAttestedReport, ExecOCRParamsForEthereum.MaxDurationShouldAcceptAttestedReport) | ||
| assert.Equal(t, ExecOCRParams.MaxDurationShouldTransmitAcceptedReport, ExecOCRParamsForEthereum.MaxDurationShouldTransmitAcceptedReport) | ||
| assert.Equal(t, ExecOCRParams.MaxDurationQuery, ExecOCRParamsForEthereum.MaxDurationQuery) | ||
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| assert.Equal(t, 90*time.Second, ExecOCRParamsForEthereum.DeltaRound) | ||
| assert.Equal(t, 60*time.Second, ExecOCRParamsForEthereum.DeltaStage) | ||
| assert.Equal(t, 200*time.Millisecond, ExecOCRParams.MaxDurationQuery) | ||
| assert.Equal(t, 200*time.Millisecond, ExecOCRParamsForEthereum.MaxDurationQuery) | ||
| } | ||
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no feeboosting anymore.