Client generated code fails to build request

[blokkskyver]

Hi, i'm trying to use generated client, but i'm getting this error:

error formatting 'request': unsupported type []gen_client.PaymentQueryRequestCurrencies

Here are my code and specs:

openapi spec:

      "/some/path/foo/bar": {
            "get": {
                "tags": [
                    "Payments"
                ],
                "summary": "search",
                "operationId": "search",
                "parameters": [
                    {
                        "name": "merchantId",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "type": "string"
                        }
                    },
                    {
                        "name": "request",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "$ref": "#/components/schemas/PaymentQueryRequest"
                        }
                    }
                ],
                "responses": {
                    "200": {
...


"PaymentQueryRequest": {
                "required": [
                    "currencies",
                    ... (other params)
                ],
                "type": "object",
                "properties": {
                    ... (params definitions)
                    "currencies": {
                        "type": "array",
                        "description": "Array of ISO 3-letter currency, e.g. SEK,EUR,USD",
                        "example": "SEK, EUR, USD",
                        "items": {
                            "type": "string",
                            "description": "Array of ISO 3-letter currency, e.g. SEK,EUR,USD",
                            "example": "SEK, EUR, USD",
                            "enum": [
                                "ADA",
                                (long currencies list)
                                "ZWL"
                            ]
                        }
                    },
                    ... (params definitions)
...

my codegen settings:

package: gen_client
output: gen/client/client.gen.go
generate:
  models: true
  client: true

using like this: //go:generate go tool oapi-codegen -config ../../../openapi/codegen-client.yaml ../../../openapi/openapi.json

go.mod

	github.com/oapi-codegen/nethttp-middleware v1.1.2
	github.com/oapi-codegen/oapi-codegen/v2 v2.5.0
	github.com/oapi-codegen/runtime v1.1.2

client code:

	resp, err := a.oapiClient.Search(ctx, &gen.SearchParams{
		MerchantId: a.MerchantID,
		Request: gen.PaymentQueryRequest{
			Id:            txID,
			Currencies:    []gen.PaymentQueryRequestCurrencies{},
			InitiatedPsps: []gen.PaymentQueryRequestInitiatedPsps{},
			Psps:          []gen.PaymentQueryRequestPsps{},
			States:        []gen.PaymentQueryRequestStates{},
			Statuses:      []gen.PaymentQueryRequestStatuses{},
			TxTypes:       []gen.PaymentQueryRequestTxTypes{},
		},
	})
	if err != nil {
		return nil, fmt.Errorf("search tx: %w", err)
	}

generated object PaymentQueryRequest

type PaymentQueryRequest struct {
        ... (other fields)
	// Currencies Array of ISO 3-letter currency, e.g. SEK,EUR,USD
	Currencies []PaymentQueryRequestCurrencies `json:"currencies"`
        ... (other fields)
}

Isn't those fields supposed to have form tag? All fields in PaymentQueryRequest have only json tag

also I've tried with nils instead of empty slices – same error happens

[blokkskyver]

debugged this – somehow this metod doesn't have slice primitive and there this code fails when it's recieving any slice param

[blokkskyver]

seems like it's unimplemented - marshalling slices into request query params