feature/1115 execute ucan token (#1177)

- **deps: remove tigerbeetle-go dependency**
- **refactor: remove unused landing page components and models**
- **feat: add pin and publish vault handlers**
- **refactor: move payment and credential services to webui browser
package**
- **refactor: remove unused credentials management components**
- **feat: add landing page components and middleware for credentials and
payments**
- **refactor: remove unused imports in vault config**
- **refactor: remove unused bank, DID, and DWN gRPC clients**
- **refactor: rename client files and improve code structure**
- **feat: add session middleware helpers and landing page components**
- **feat: add user profile registration flow**
- **feat: Implement WebAuthn registration flow**
- **feat: add error view for users without WebAuthn devices**
- **chore: update htmx to include extensions**
- **refactor: rename pin handler to claim handler and update routes**
- **chore: update import paths after moving UI components and styles**
- **fix: address potential server errors by handling and logging them
properly**
- **refactor: move vault config to gateway package and update related
dependencies**
- **style: simplify form styling and remove unnecessary components**
- **feat: improve UI design for registration flow**
- **feat: implement passkey-based authentication**
- **refactor: migrate registration forms to use reusable form
components**
- **refactor: remove tailwindcss setup and use CDN instead**
- **style: update submit button style to use outline variant**
- **refactor: refactor server and IPFS client, remove MPC encryption**
- **refactor: Abstract keyshare functionality and improve message
encoding**
- **refactor: improve keyset JSON marshaling and error handling**
- **feat: add support for digital signatures using MPC keys**
- **fix: Refactor MarshalJSON to use standard json.Marshal for Message
serialization**
- **fix: Encode messages before storing in keyshare structs**
- **style: update form input styles for improved user experience**
- **refactor: improve code structure in registration handlers**
- **refactor: consolidate signer middleware and IPFS interaction**
- **refactor: rename MPC signing and refresh protocol functions**
- **refactor: update hway configuration loading mechanism**
- **feat: integrate database support for sessions and users**
- **refactor: remove devnet infrastructure and simplify build process**
- **docs(guides): add Sonr DID module guide**
- **feat: integrate progress bar into registration form**
- **refactor: migrate WebAuthn dependencies to protocol package**
- **feat: enhance user registration with passkey integration and
improved form styling**
- **refactor: move gateway view handlers to internal pages package**
- **refactor: Move address package to MPC module**
- **feat: integrate turnstile for registration**
- **style: remove unnecessary size attribute from buttons**
- **refactor: rename cookie package to session/cookie**
- **refactor: remove unnecessary types.Session dependency**
- **refactor: rename pkg/core to pkg/chain**
- **refactor: simplify deployment process by removing testnet-specific
Taskfile and devbox configuration**
- **feat: add error redirect functionality and improve routes**
- **feat: implement custom error handling for gateway**
- **chore: update version number to 0.0.7 in template**
- **feat: add IPFS client implementation**
- **feat: Implement full IPFS client interface with comprehensive
methods**
- **refactor: improve IPFS client path handling**
- **refactor: Move UCAN middleware to controller package**
- **feat: add UCAN middleware to motr**
- **refactor: update libp2p dependency**
- **docs: add UCAN specification document**
- **refactor: move UCAN controller logic to common package**
- **refactor: rename exports.go to common.go**
- **feat: add UCAN token support**
- **refactor: migrate UCAN token parsing to dedicated package**
- **refactor: improve CometBFT and app config initialization**
- **refactor: improve deployment scripts and documentation**
- **feat: integrate IPFS and producer middleware**
- **refactor: rename agent directory to aider**
- **fix: correct libp2p import path**
- **refactor: remove redundant dependency**
- **cleanup: remove unnecessary test files**
- **refactor: move attention types to crypto/ucan package**
- **feat: expand capabilities and resource types for UCANs**
- **refactor: rename sonr.go to codec.go and update related imports**
- **feat: add IPFS-based token store**
- **feat: Implement IPFS-based token store with caching and UCAN
integration**
- **feat: Add dynamic attenuation constructor for UCAN presets**
- **fix: Handle missing or invalid attenuation data with
EmptyAttenuation**
- **fix: Update UCAN attenuation tests with correct capability types**
- **feat: integrate UCAN-based authorization into the producer
middleware**
- **refactor: remove unused dependency on go-ucan**
- **refactor: Move address handling logic to DID module**
- **feat: Add support for compressed and uncompressed Secp256k1 public
keys in didkey**
- **test: Add test for generating DID key from MPC keyshares**
- **feat: Add methods for extracting compressed and uncompressed public
keys in share types**
- **feat: Add BaseKeyshare struct with public key conversion methods**
- **refactor: Use compressed and uncompressed public keys in keyshare,
fix public key usage in tests and verification**
- **feat: add support for key generation policy type**
- **fix: correct typo in VaultPermissions constant**
- **refactor: move JWT related code to ucan package**
- **refactor: move UCAN JWT and source code to spec package**

crypto/mpc/keyshare.go

@@ -0,0 +1,67 @@
+package mpc
+
+import (
+	"crypto/ecdsa"
+
+	"github.com/onsonr/sonr/crypto/core/protocol"
+)
+
+// Keyshare represents the common interface for both validator and user keyshares
+type Keyshare interface {
+	GetPayloads() map[string][]byte
+	GetMetadata() map[string]string
+	GetPublicKey() []byte
+	GetProtocol() string
+	GetRole() int32
+	GetVersion() uint32
+	ECDSAPublicKey() (*ecdsa.PublicKey, error)
+	ExtractMessage() *protocol.Message
+	RefreshFunc() (RefreshFunc, error)
+	SignFunc(msg []byte) (SignFunc, error)
+	Marshal() (string, error)
+}
+
+// BaseKeyshare contains common fields and methods for both validator and user keyshares
+type BaseKeyshare struct {
+	Message            *protocol.Message `json:"message"`
+	Role               int               `json:"role"`
+	UncompressedPubKey []byte            `json:"public_key"`
+	CompressedPubKey   []byte            `json:"compressed_public_key"`
+}
+
+func (b *BaseKeyshare) GetPayloads() map[string][]byte {
+	return b.Message.Payloads
+}
+
+func (b *BaseKeyshare) GetMetadata() map[string]string {
+	return b.Message.Metadata
+}
+
+func (b *BaseKeyshare) GetPublicKey() []byte {
+	return b.UncompressedPubKey
+}
+
+func (b *BaseKeyshare) GetProtocol() string {
+	return b.Message.Protocol
+}
+
+func (b *BaseKeyshare) GetRole() int32 {
+	return int32(b.Role)
+}
+
+func (b *BaseKeyshare) GetVersion() uint32 {
+	return uint32(b.Message.Version)
+}
+
+func (b *BaseKeyshare) ECDSAPublicKey() (*ecdsa.PublicKey, error) {
+	return ComputeEcdsaPublicKey(b.UncompressedPubKey)
+}
+
+func (b *BaseKeyshare) ExtractMessage() *protocol.Message {
+	return &protocol.Message{
+		Payloads: b.GetPayloads(),
+		Metadata: b.GetMetadata(),
+		Protocol: b.GetProtocol(),
+		Version:  uint(b.GetVersion()),
+	}
+}