sender

type Service interface {
	// Prepare sends a request to the given participant to prepare for DKG.
	Prepare(ctx context.Context,
		recipient *core.Endpoint,
		account string,
		passphrase []byte,
		threshold uint32,
		participants []*core.Endpoint) error
	// Execute sends a request to the given participant to execute the given DKG.
	Execute(ctx context.Context, recipient *core.Endpoint, account string) error
	// Commit sends a request to the given participant to commit the given DKG.
	Commit(ctx context.Context, recipient *core.Endpoint, account string, confirmationData []byte) ([]byte, []byte, error)
	// Abort sends a request to the given participant to abort the given DKG.
	Abort(ctx context.Context, recipient *core.Endpoint, account string) error
	// SendContribution sends a contribution to a recipient.
	SendContribution(ctx context.Context, recipient *core.Endpoint, account string, distributionSecret bls.SecretKey, verificationVector []bls.PublicKey) (bls.SecretKey, []bls.PublicKey, error)
}