GO-2025-3989: go-f3 Vulnerable to Cached Justification Verification Bypass in github.com/filecoin-project/go-f3

certchain

package

v0.8.8 Latest Latest Go to latest Published: Jul 8, 2025 License: Apache-2.0, MIT Imports: 13 Imported by: 0

Details

certchain package is a testing utility for generating and validating finality certificates. It has no effect on the consensus protocol.

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

func New(o ...Option) (*CertChain, error)

func (cc *CertChain) Generate(ctx context.Context, length uint64) ([]*certs.FinalityCertificate, error)

func (cc *CertChain) GetCommittee(ctx context.Context, instance uint64) (*gpbft.Committee, error)

func (cc *CertChain) GetProposal(ctx context.Context, instance uint64) (*gpbft.SupplementalData, *gpbft.ECChain, error)

func (cc *CertChain) Validate(ctx context.Context, crts []*certs.FinalityCertificate) error

type FinalityCertificateProvider func(context.Context, uint64) (*certs.FinalityCertificate, error)

type Option func(*options) error

func WithEC(ec ec.Backend) Option

func WithManifest(m manifest.Manifest) Option

func WithSeed(seed int64) Option

func WithSignVerifier(sv SignVerifier) Option

type SignVerifier interface {
	gpbft.Signer
	gpbft.Verifier
}