chore: extracted types and updated docker workflow to add a v prefix

Author: chatton

.github/workflows/docker.yml

@@ -44,8 +44,8 @@ jobs:
           tags: |
             type=ref,event=branch
             type=ref,event=pr
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern=v{{version}}
+            type=semver,pattern=v{{major}}.{{minor}}
             type=sha
 
       - name: Build and push

internal/celestia/client.go

@@ -208,22 +208,26 @@ func (c *Client) VerifyDataBlobAtHeight(ctx context.Context, unwrappedDataBlob [
 	return false, nil
 }
 
-// GetBlockTimestamp retrieves the timestamp of a celestia da block at the given height
-func (c *Client) GetBlockTimestamp(ctx context.Context, daHeight uint64) (time.Time, error) {
-	type headerResult struct {
-		Header struct {
-			Time string `json:"time"`
-		} `json:"header"`
-	}
+type Header struct {
+	Time string `json:"time"`
+}
 
-	type rpcResponse struct {
-		Result headerResult `json:"result"`
-		Error  *struct {
-			Code    int    `json:"code"`
-			Message string `json:"message"`
-		} `json:"error"`
-	}
+type HeaderResult struct {
+	Header Header `json:"header"`
+}
 
+type RPCError struct {
+	Code    int    `json:"code"`
+	Message string `json:"message"`
+}
+
+type RPCResponse struct {
+	Result HeaderResult `json:"result"`
+	Error  *RPCError    `json:"error"`
+}
+
+// GetBlockTimestamp retrieves the timestamp of a celestia da block at the given height
+func (c *Client) GetBlockTimestamp(ctx context.Context, daHeight uint64) (time.Time, error) {
 	payload := map[string]interface{}{
 		"jsonrpc": "2.0",
 		"id":      1,
@@ -257,7 +261,7 @@ func (c *Client) GetBlockTimestamp(ctx context.Context, daHeight uint64) (time.T
 		return time.Time{}, fmt.Errorf("failed to read response body: %w", err)
 	}
 
-	var rpcResp rpcResponse
+	var rpcResp RPCResponse
 	if err := json.Unmarshal(respBody, &rpcResp); err != nil {
 		return time.Time{}, fmt.Errorf("failed to unmarshal response: %w", err)
 	}