rename JSON field 'hashcash' to 'pow_token' in API request body

internal/cli/api/types.go

@@ -5,7 +5,7 @@ import "time"
 // SessionRequest is the body for POST /api/v1/session.
 type SessionRequest struct {
 	Nick     string `json:"nick"`
-	Hashcash string `json:"hashcash,omitempty"`
+	Hashcash string `json:"pow_token,omitempty"` //nolint:tagliatelle
 }
 
 // SessionResponse is the response from session creation.

internal/handlers/api.go

@@ -147,7 +147,7 @@ func (hdlr *Handlers) handleCreateSession(
 ) {
 	type createRequest struct {
 		Nick     string `json:"nick"`
-		Hashcash string `json:"hashcash,omitempty"`
+		Hashcash string `json:"pow_token,omitempty"` //nolint:tagliatelle
 	}
 
 	var payload createRequest