keysharer

package

v0.11.0 Latest Latest Go to latest Published: Feb 18, 2026 License: Apache-2.0 Imports: 11 Imported by: 0

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Valid go.mod file
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Stable version
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Repository

github.com/Fairblock/fairyring

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Documentation ¶

Index ¶

func DecryptECIES(priv *btcec.PrivateKey, cipher string) ([]byte, error)
func ExtractFromShare(shareScalar []byte, index uint32, id []byte) ([]byte, error)
func MakeVE(heightFor uint64, idx uint32, extracted []byte) ([]byte, error)
func SelectShare(mat ShareMaterial, heightPlusOne uint64) ([]byte, uint32, error)
type Config
- func LoadConfig(home string) (Config, error)
type ShareMaterial

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func DecryptECIES ¶

func DecryptECIES(priv *btcec.PrivateKey, cipher string) ([]byte, error)

Decrypts a base64 or hex-encoded ECIES(sec256k1) ciphertext with the provided secp256k1 private key.

func ExtractFromShare ¶

func ExtractFromShare(shareScalar []byte, index uint32, id []byte) ([]byte, error)

ExtractFromShare derives the per-ID extracted key bytes from the validator share (scalar bytes) and index.

func MakeVE ¶

func MakeVE(heightFor uint64, idx uint32, extracted []byte) ([]byte, error)

Marshal VE protobuf

func SelectShare ¶

func SelectShare(mat ShareMaterial, heightPlusOne uint64) ([]byte, uint32, error)

Choose which share to use for height h+1 (active unless we cross expiry)

Types ¶

type Config ¶

type Config struct {
	Enabled                    bool   `yaml:"enabled"`
	ValidatorAccount           string `yaml:"validator_account"`      // bech32 account string used in EncryptedKeyshares[].Validator
	AppSecp256k1PrivHex        string `yaml:"app_secp256k1_priv_hex"` // hex of the app key
	InvalidSharePauseThreshold uint64 `yaml:"invalid_share_pause_threshold"`
}

func LoadConfig ¶

func LoadConfig(home string) (Config, error)

type ShareMaterial ¶

type ShareMaterial struct {
	// decrypted validator shares for active/queued (G2 scalar)
	ActiveShare []byte
	QueuedShare []byte
	// expiries
	ActiveExpiry uint64
	QueuedExpiry uint64
	// index in DKG (1..N)
	Index uint32
}

Source Files ¶

View all Source files

keysharer.go

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