mirror of
https://github.com/sonr-io/sonr.git
synced 2026-08-04 18:31:41 +00:00
@@ -0,0 +1,267 @@
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package keeper
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import (
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"context"
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"fmt"
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"time"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/bech32"
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apiv1 "github.com/sonr-io/sonr/api/dwn/v1"
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"github.com/sonr-io/sonr/crypto/keys"
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"github.com/sonr-io/sonr/crypto/mpc"
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"github.com/sonr-io/sonr/types/ipfs"
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"github.com/sonr-io/sonr/x/dwn/types"
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)
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// GetIPFSClient returns the IPFS client for external access
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func (k Keeper) GetIPFSClient() (ipfs.IPFSClient, error) {
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if k.ipfsClient == nil {
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client, err := ipfs.GetClient()
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if err != nil {
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return nil, err
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}
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k.ipfsClient = client
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}
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return k.ipfsClient, nil
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}
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// AddEnclaveDataToIPFS adds MPC enclave data to IPFS with consensus-based encryption
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func (k Keeper) AddEnclaveDataToIPFS(
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ctx context.Context,
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data *mpc.EnclaveData,
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) (*apiv1.VaultState, error) {
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// Input validation
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pubKey := data.PubKeyBytes()
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did, err := keys.NewFromMPCPubKey(pubKey)
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if err != nil {
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return nil, fmt.Errorf("failed to create DID from public key: %w", err)
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}
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owner, err := bech32.ConvertAndEncode("idx", pubKey)
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if err != nil {
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return nil, fmt.Errorf("failed to convert public key to DID: %w", err)
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}
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k.logger.Info("AddMPCEnclaveData called",
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"did", did,
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"owner", owner,
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)
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// Get IPFS client (lazy initialization)
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ipfsClient, err := k.GetIPFSClient()
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if err != nil {
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return nil, fmt.Errorf(
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"IPFS client not available - vault creation requires IPFS client: %w", err)
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}
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// Marshal enclave data to bytes
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enclaveBytes, err := data.Marshal()
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if err != nil {
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return nil, fmt.Errorf("failed to marshal enclave data: %w", err)
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}
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// SECURITY: EnclaveData MUST ALWAYS be encrypted - it contains sensitive cryptographic material
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sdkCtx := sdk.UnwrapSDKContext(ctx)
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// Encrypt enclave data using consensus-based encryption (mandatory for enclave data)
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encryptedData, err := k.encryptionSubkeeper.EncryptWithConsensusKey(
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sdkCtx,
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enclaveBytes,
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"vault.enclave/v1", // Use vault protocol for enclave data
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)
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if err != nil {
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// CRITICAL: Never store enclave data unencrypted - fail the operation instead
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k.logger.Error("SECURITY: Failed to encrypt enclave data - operation aborted",
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"error", err,
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"did", did,
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)
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return nil, fmt.Errorf("mandatory encryption failed for sensitive enclave data: %w", err)
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}
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// Store encrypted data and metadata
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dataToStore := encryptedData.Ciphertext
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encryptionMetadata := encryptedData.Metadata
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k.logger.Info("Enclave data encrypted successfully",
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"did", did,
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"encrypted_size", len(dataToStore),
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"original_size", len(enclaveBytes),
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"key_version", encryptedData.Metadata.KeyVersion,
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)
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// Store the encrypted data to IPFS
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vaultCID, err := ipfsClient.Add(dataToStore)
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if err != nil {
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return nil, fmt.Errorf("failed to store vault data to IPFS: %w", err)
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}
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// Store the vault state in the database with encryption metadata
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vaultState := &apiv1.VaultState{
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VaultId: vaultCID,
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Owner: owner,
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PublicKey: pubKey,
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CreatedAt: time.Now().Unix(),
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LastRefreshed: time.Now().Unix(),
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CreatedHeight: sdkCtx.BlockHeight(), // Will be set by the block height in the message server
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EnclaveData: &apiv1.EnclaveData{
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PrivateData: dataToStore,
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PublicKey: pubKey,
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EnclaveId: vaultCID,
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Version: 1,
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},
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}
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// Store encryption metadata on-chain (always present for enclave data)
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apiMetadata := encryptionMetadata.ToAPIEncryptionMetadata()
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vaultState.EncryptionMetadata = apiMetadata
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k.logger.Debug("Stored encryption metadata with vault",
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"vault_id", vaultCID,
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"algorithm", apiMetadata.Algorithm,
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"key_version", apiMetadata.KeyVersion,
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"block_height", sdkCtx.BlockHeight(),
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)
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return vaultState, nil
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}
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// GetEnclaveDataFromIPFS retrieves MPC enclave data from IPFS with consensus-based encryption
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func (k Keeper) GetEnclaveDataFromIPFS(
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ctx context.Context,
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cid string,
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encryptionMetadata *types.EncryptionMetadata,
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) (*mpc.EnclaveData, error) {
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ipfsClient, err := k.GetIPFSClient()
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if err != nil {
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return nil, fmt.Errorf("IPFS client not available for operations: %w", err)
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}
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if cid == "" {
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return nil, fmt.Errorf("CID cannot be empty")
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}
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// Retrieve encrypted data from IPFS
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encryptedData, err := ipfsClient.Get(cid)
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if err != nil {
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return nil, fmt.Errorf("failed to retrieve data from IPFS: %w", err)
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}
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if encryptionMetadata == nil {
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// SECURITY: EnclaveData must always have encryption metadata
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k.logger.Error("SECURITY: Missing encryption metadata for enclave data retrieval",
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"cid", cid,
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)
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return nil, fmt.Errorf(
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"missing encryption metadata - enclave data must always be encrypted",
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)
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}
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// Decrypt the data using the encryption subkeeper
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sdkCtx := sdk.UnwrapSDKContext(ctx)
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decryptedData, err := k.encryptionSubkeeper.DecryptWithConsensusKey(
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sdkCtx,
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encryptedData,
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encryptionMetadata,
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)
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if err != nil {
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return nil, fmt.Errorf("failed to decrypt data: %w", err)
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}
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k.logger.Debug("Successfully retrieved and decrypted data from IPFS",
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"cid", cid,
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"encrypted_size", len(encryptedData),
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"decrypted_size", len(decryptedData),
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"algorithm", encryptionMetadata.Algorithm,
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)
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data := &mpc.EnclaveData{}
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if err := data.Unmarshal(decryptedData); err != nil {
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return nil, fmt.Errorf("failed to unmarshal decrypted enclave data: %w", err)
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}
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return data, nil
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}
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// StoreEncryptedToIPFS stores encrypted data to IPFS with metadata tracking
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func (k Keeper) StoreEncryptedToIPFS(
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ctx context.Context,
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data []byte,
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protocol string,
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) (string, error) {
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ipfsClient, err := k.GetIPFSClient()
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if err != nil {
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return "", fmt.Errorf("IPFS client not available for operations: %w", err)
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}
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if len(data) == 0 {
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return "", fmt.Errorf("cannot store empty data")
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}
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k.logger.Info("Storing encrypted data to IPFS",
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"data_size", len(data),
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"protocol", protocol,
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)
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// Store the encrypted data directly to IPFS
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// The data is assumed to already be encrypted by the caller
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cid, err := ipfsClient.Add(data)
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if err != nil {
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return "", fmt.Errorf("failed to store encrypted data to IPFS: %w", err)
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}
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k.logger.Debug("Successfully stored encrypted data to IPFS",
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"cid", cid,
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"protocol", protocol,
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"size", len(data),
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)
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return cid, nil
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}
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// RetrieveAndDecryptFromIPFS retrieves encrypted data from IPFS and decrypts it
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func (k Keeper) RetrieveAndDecryptFromIPFS(
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ctx context.Context,
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cid string,
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encryptionMetadata *types.EncryptionMetadata,
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) ([]byte, error) {
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ipfsClient, err := k.GetIPFSClient()
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if err != nil {
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return nil, fmt.Errorf("IPFS client not available for operations: %w", err)
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}
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if cid == "" {
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return nil, fmt.Errorf("CID cannot be empty")
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}
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// Retrieve encrypted data from IPFS
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encryptedData, err := ipfsClient.Get(cid)
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if err != nil {
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return nil, fmt.Errorf("failed to retrieve data from IPFS: %w", err)
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}
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if encryptionMetadata == nil {
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// Data is unencrypted, return as-is
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k.logger.Debug("Retrieved unencrypted data from IPFS",
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"cid", cid,
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"size", len(encryptedData),
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)
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return encryptedData, nil
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}
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// Decrypt the data using the encryption subkeeper
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sdkCtx := sdk.UnwrapSDKContext(ctx)
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decryptedData, err := k.encryptionSubkeeper.DecryptWithConsensusKey(
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sdkCtx,
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encryptedData,
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encryptionMetadata,
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)
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if err != nil {
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return nil, fmt.Errorf("failed to decrypt data: %w", err)
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}
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k.logger.Debug("Successfully retrieved and decrypted data from IPFS",
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"cid", cid,
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"encrypted_size", len(encryptedData),
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"decrypted_size", len(decryptedData),
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"algorithm", encryptionMetadata.Algorithm,
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)
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return decryptedData, nil
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}
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