guard

package
v0.0.93 Latest Latest
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 Go to latest Published: Jan 26, 2023 License: MIT Imports: 15 Imported by: 0

Documentation

Overview

Package guard signs attestations and posts to attestation collector and destination.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type AttestationCollectorAttestationScanner 

type AttestationCollectorAttestationScanner struct {
	// contains filtered or unexported fields
}

AttestationCollectorAttestationScanner fetches attestations for particular origin-destination pair. TODO: this needs to become an interface.

func NewAttestationCollectorAttestationScanner 

func NewAttestationCollectorAttestationScanner(domain domains.DomainClient, originID, destinationID uint32, db db.SynapseDB, signer signer.Signer, interval time.Duration) AttestationCollectorAttestationScanner

NewAttestationCollectorAttestationScanner creates a new attestation collector attestation scanner.

func (AttestationCollectorAttestationScanner) FindLatestNonce 

func (a AttestationCollectorAttestationScanner) FindLatestNonce(ctx context.Context) (nonce uint32, err error)

FindLatestNonce fetches the latest cached nonce for a given chain. TODO (joe): there was a bug in this code not covered by current tests. Make sure to add a test that covers when latestNonce is not zero.

func (AttestationCollectorAttestationScanner) Start 

func (a AttestationCollectorAttestationScanner) Start(ctx context.Context) error

Start starts the AttestationCollectorAttestationScanner.

type AttestationDoubleCheckOnOriginVerifier added in v0.0.70 

type AttestationDoubleCheckOnOriginVerifier struct {
	// contains filtered or unexported fields
}

AttestationDoubleCheckOnOriginVerifier double checks attestations on origin. TODO: this needs to become an interface.

func NewAttestationDoubleCheckOnOriginVerifier added in v0.0.70 

func NewAttestationDoubleCheckOnOriginVerifier(
	originDomain domains.DomainClient,
	attestationDomain domains.DomainClient,
	destinationDomain domains.DomainClient,
	db db.SynapseDB,
	bondedSigner signer.Signer,
	unbondedSigner signer.Signer,
	interval time.Duration) AttestationDoubleCheckOnOriginVerifier

NewAttestationDoubleCheckOnOriginVerifier creates a new attestation double-check-on-origin verifier.

func (AttestationDoubleCheckOnOriginVerifier) FindOldestGuardUnsignedAndUnverifiedAttestation added in v0.0.70 

func (a AttestationDoubleCheckOnOriginVerifier) FindOldestGuardUnsignedAndUnverifiedAttestation(ctx context.Context) (types.InProgressAttestation, error)

FindOldestGuardUnsignedAndUnverifiedAttestation fetches the oldest attestation that still needs to be signed by the guard and needs to be verified.

func (AttestationDoubleCheckOnOriginVerifier) Start added in v0.0.70 

func (a AttestationDoubleCheckOnOriginVerifier) Start(ctx context.Context) error

Start starts the OriginAttestationScanner.

type AttestationGuardCollectorSubmitter added in v0.0.73 

type AttestationGuardCollectorSubmitter struct {
	// contains filtered or unexported fields
}

AttestationGuardCollectorSubmitter submits the signed attestation (by both notary and guard) to the Attestation Collector. TODO: this needs to become an interface.

func NewAttestationGuardCollectorSubmitter added in v0.0.73 

func NewAttestationGuardCollectorSubmitter(
	originDomain domains.DomainClient,
	attestationDomain domains.DomainClient,
	destinationDomain domains.DomainClient,
	db db.SynapseDB,
	bondedSigner signer.Signer,
	unbondedSigner signer.Signer,
	interval time.Duration) AttestationGuardCollectorSubmitter

NewAttestationGuardCollectorSubmitter creates a new attestation guard collector submitter.

func (AttestationGuardCollectorSubmitter) FindOldestGuardUnsubmittedSignedInProgressAttestation added in v0.0.73 

func (a AttestationGuardCollectorSubmitter) FindOldestGuardUnsubmittedSignedInProgressAttestation(ctx context.Context) (types.InProgressAttestation, error)

FindOldestGuardUnsubmittedSignedInProgressAttestation fetches the oldest signed attestation (by both notary and guard) that has not yet been submitted to the Attestation Collector.

func (AttestationGuardCollectorSubmitter) Start added in v0.0.73 

func (a AttestationGuardCollectorSubmitter) Start(ctx context.Context) error

Start starts the AttestationGuardCollectorSubmitter.

type AttestationGuardCollectorVerifier added in v0.0.74 

type AttestationGuardCollectorVerifier struct {
	// contains filtered or unexported fields
}

AttestationGuardCollectorVerifier verifies the signed attestation (by both notary and guard) is posted successfully on the Attestation Collector. TODO: this needs to become an interface.

func NewAttestationGuardCollectorVerifier added in v0.0.74 

func NewAttestationGuardCollectorVerifier(
	originDomain domains.DomainClient,
	attestationDomain domains.DomainClient,
	destinationDomain domains.DomainClient,
	db db.SynapseDB,
	bondedSigner signer.Signer,
	unbondedSigner signer.Signer,
	interval time.Duration) AttestationGuardCollectorVerifier

NewAttestationGuardCollectorVerifier creates a new attestation guard collector verifier.

func (AttestationGuardCollectorVerifier) FindOldestGuardSubmittedToCollectorInProgressAttestation added in v0.0.74 

func (a AttestationGuardCollectorVerifier) FindOldestGuardSubmittedToCollectorInProgressAttestation(ctx context.Context) (types.InProgressAttestation, error)

FindOldestGuardSubmittedToCollectorInProgressAttestation fetches the oldest signed attestation (by both notary and guard) that has been submitted to the Attestation Collector.

func (AttestationGuardCollectorVerifier) Start added in v0.0.74 

func (a AttestationGuardCollectorVerifier) Start(ctx context.Context) error

Start starts the AttestationGuardCollectorVerifier.

type AttestationGuardDestinationSubmitter added in v0.0.75 

type AttestationGuardDestinationSubmitter struct {
	// contains filtered or unexported fields
}

AttestationGuardDestinationSubmitter submits the signed attestation (by both notary and guard) to the Destination. TODO: this needs to become an interface.

func NewAttestationGuardDestinationSubmitter added in v0.0.75 

func NewAttestationGuardDestinationSubmitter(
	originDomain domains.DomainClient,
	attestationDomain domains.DomainClient,
	destinationDomain domains.DomainClient,
	db db.SynapseDB,
	bondedSigner signer.Signer,
	unbondedSigner signer.Signer,
	interval time.Duration) AttestationGuardDestinationSubmitter

NewAttestationGuardDestinationSubmitter creates a new attestation guard destination submitter.

func (AttestationGuardDestinationSubmitter) FindOldestGuardConfirmedOnCollector added in v0.0.75 

func (a AttestationGuardDestinationSubmitter) FindOldestGuardConfirmedOnCollector(ctx context.Context) (types.InProgressAttestation, error)

FindOldestGuardConfirmedOnCollector fetches the oldest signed attestation (by both notary and guard) that has been submitted to and confirmed on the Attestation Collector.

func (AttestationGuardDestinationSubmitter) Start added in v0.0.75 

func (a AttestationGuardDestinationSubmitter) Start(ctx context.Context) error

Start starts the AttestationGuardDestinationSubmitter.

type AttestationGuardDestinationVerifier added in v0.0.76 

type AttestationGuardDestinationVerifier struct {
	// contains filtered or unexported fields
}

AttestationGuardDestinationVerifier verifies the signed attestation (by both notary and guard) is posted successfully on the Destination. TODO: this needs to become an interface.

func NewAttestationGuardDestinationVerifier added in v0.0.76 

func NewAttestationGuardDestinationVerifier(
	originDomain domains.DomainClient,
	attestationDomain domains.DomainClient,
	destinationDomain domains.DomainClient,
	db db.SynapseDB,
	bondedSigner signer.Signer,
	unbondedSigner signer.Signer,
	interval time.Duration) AttestationGuardDestinationVerifier

NewAttestationGuardDestinationVerifier creates a new attestation guard destination verifier.

func (AttestationGuardDestinationVerifier) FindOldestSubmittedToDestinationInProgressAttestation added in v0.0.76 

func (a AttestationGuardDestinationVerifier) FindOldestSubmittedToDestinationInProgressAttestation(ctx context.Context) (types.InProgressAttestation, error)

FindOldestSubmittedToDestinationInProgressAttestation fetches the oldest signed attestation (by both notary and guard) that has been submitted to the Destination.

func (AttestationGuardDestinationVerifier) Start added in v0.0.76 

func (a AttestationGuardDestinationVerifier) Start(ctx context.Context) error

Start starts the AttestationGuardDestinationVerifier.

type AttestationGuardSigner added in v0.0.72 

type AttestationGuardSigner struct {
	// contains filtered or unexported fields
}

AttestationGuardSigner signs the attestation after it has been verified on origin. TODO: this needs to become an interface.

func NewAttestationGuardSigner added in v0.0.72 

func NewAttestationGuardSigner(
	originDomain domains.DomainClient,
	attestationDomain domains.DomainClient,
	destinationDomain domains.DomainClient,
	db db.SynapseDB,
	bondedSigner signer.Signer,
	unbondedSigner signer.Signer,
	interval time.Duration) AttestationGuardSigner

NewAttestationGuardSigner creates a new attestation guard signer.

func (AttestationGuardSigner) FindOldestGuardUnsignedAndVerifiedAttestation added in v0.0.72 

func (a AttestationGuardSigner) FindOldestGuardUnsignedAndVerifiedAttestation(ctx context.Context) (types.InProgressAttestation, error)

FindOldestGuardUnsignedAndVerifiedAttestation fetches the oldest attestation that still needs to be signed by the guard but has been verified on origin.

func (AttestationGuardSigner) Start added in v0.0.72 

func (a AttestationGuardSigner) Start(ctx context.Context) error

Start starts the AttestationGuardSigner.

type Guard 

type Guard struct {
	// contains filtered or unexported fields
}

Guard in the current version scans the attestation collector for notary signed attestations, signs them, and posts to destination chains. TODO: Note right now, I have threads for each origin-destination pair and do no batching at all.

func NewGuard 

func NewGuard(ctx context.Context, cfg config.GuardConfig) (_ Guard, err error)

NewGuard creates a new guard.

func (Guard) Start 

func (u Guard) Start(ctx context.Context) error

Start starts the guard.

Source Files

View all Source files

Directories

Path Synopsis
Package cmd provides the command line interface for the guard.
 Package cmd provides the command line interface for the guard.
Package main provides the main function for the Guard.
 Package main provides the main function for the Guard.

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