7 files changed, 80 insertions, 9 deletions
diff --git a/vendor/github.com/slack-go/slack/attachments.go b/vendor/github.com/slack-go/slack/attachments.go
index b5b79f9f..5f388e9f 100644
--- a/vendor/github.com/slack-go/slack/attachments.go
+++ b/vendor/github.com/slack-go/slack/attachments.go
@@ -75,7 +75,7 @@ type Attachment struct {
 	Title     string `json:"title,omitempty"`
 	TitleLink string `json:"title_link,omitempty"`
 	Pretext   string `json:"pretext,omitempty"`
-	Text      string `json:"text,omitempty"`
+	Text      string `json:"text"` // Required
 
 	ImageURL string `json:"image_url,omitempty"`
 	ThumbURL string `json:"thumb_url,omitempty"`
diff --git a/vendor/github.com/slack-go/slack/block.go b/vendor/github.com/slack-go/slack/block.go
index 4b4b1559..dd4b8715 100644
--- a/vendor/github.com/slack-go/slack/block.go
+++ b/vendor/github.com/slack-go/slack/block.go
@@ -16,6 +16,7 @@ const (
 	MBTContext MessageBlockType = "context"
 	MBTFile    MessageBlockType = "file"
 	MBTInput   MessageBlockType = "input"
+	MBTHeader  MessageBlockType = "header"
 )
 
 // Block defines an interface all block types should implement
diff --git a/vendor/github.com/slack-go/slack/block_conv.go b/vendor/github.com/slack-go/slack/block_conv.go
index 3fda5431..656a9ab1 100644
--- a/vendor/github.com/slack-go/slack/block_conv.go
+++ b/vendor/github.com/slack-go/slack/block_conv.go
@@ -111,6 +111,12 @@ func (b *InputBlock) UnmarshalJSON(data []byte) error {
 		e = &SelectBlockElement{}
 	case "multi_static_select", "multi_external_select", "multi_users_select", "multi_conversations_select", "multi_channels_select":
 		e = &MultiSelectBlockElement{}
+	case "checkboxes":
+		e = &CheckboxGroupsBlockElement{}
+	case "overflow":
+		e = &OverflowBlockElement{}
+	case "radio_buttons":
+		e = &RadioButtonsBlockElement{}
 	default:
 		return errors.New("unsupported block element type")
 	}
@@ -175,6 +181,8 @@ func (b *BlockElements) UnmarshalJSON(data []byte) error {
 			blockElement = &PlainTextInputBlockElement{}
 		case "checkboxes":
 			blockElement = &CheckboxGroupsBlockElement{}
+		case "radio_buttons":
+			blockElement = &RadioButtonsBlockElement{}
 		case "static_select", "external_select", "users_select", "conversations_select", "channels_select":
 			blockElement = &SelectBlockElement{}
 		default:
diff --git a/vendor/github.com/slack-go/slack/block_header.go b/vendor/github.com/slack-go/slack/block_header.go
new file mode 100644
index 00000000..6dff4b88
--- /dev/null
+++ b/vendor/github.com/slack-go/slack/block_header.go
@@ -0,0 +1,38 @@
+package slack
+
+// HeaderBlock defines a new block of type header
+//
+// More Information: https://api.slack.com/reference/messaging/blocks#header
+type HeaderBlock struct {
+	Type    MessageBlockType `json:"type"`
+	Text    *TextBlockObject `json:"text,omitempty"`
+	BlockID string           `json:"block_id,omitempty"`
+}
+
+// BlockType returns the type of the block
+func (s HeaderBlock) BlockType() MessageBlockType {
+	return s.Type
+}
+
+// HeaderBlockOption allows configuration of options for a new header block
+type HeaderBlockOption func(*HeaderBlock)
+
+func HeaderBlockOptionBlockID(blockID string) HeaderBlockOption {
+	return func(block *HeaderBlock) {
+		block.BlockID = blockID
+	}
+}
+
+// NewHeaderBlock returns a new instance of a header block to be rendered
+func NewHeaderBlock(textObj *TextBlockObject, options ...HeaderBlockOption) *HeaderBlock {
+	block := HeaderBlock{
+		Type: MBTHeader,
+		Text: textObj,
+	}
+
+	for _, option := range options {
+		option(&block)
+	}
+
+	return &block
+}
diff --git a/vendor/github.com/slack-go/slack/errors.go b/vendor/github.com/slack-go/slack/errors.go
index a1dfec25..8be22a65 100644
--- a/vendor/github.com/slack-go/slack/errors.go
+++ b/vendor/github.com/slack-go/slack/errors.go
@@ -9,6 +9,7 @@ const (
 	ErrRTMGoodbye           = errorsx.String("goodbye detected")
 	ErrRTMDeadman           = errorsx.String("deadman switch triggered")
 	ErrParametersMissing    = errorsx.String("received empty parameters")
+	ErrBlockIDNotUnique     = errorsx.String("Block ID needs to be unique")
 	ErrInvalidConfiguration = errorsx.String("invalid configuration")
 	ErrMissingHeaders       = errorsx.String("missing headers")
 	ErrExpiredTimestamp     = errorsx.String("timestamp is too old")
diff --git a/vendor/github.com/slack-go/slack/oauth.go b/vendor/github.com/slack-go/slack/oauth.go
index 4dc23b11..707ccc6b 100644
--- a/vendor/github.com/slack-go/slack/oauth.go
+++ b/vendor/github.com/slack-go/slack/oauth.go
@@ -33,14 +33,15 @@ type OAuthResponse struct {
 
 // OAuthV2Response ...
 type OAuthV2Response struct {
-	AccessToken string                    `json:"access_token"`
-	TokenType   string                    `json:"token_type"`
-	Scope       string                    `json:"scope"`
-	BotUserID   string                    `json:"bot_user_id"`
-	AppID       string                    `json:"app_id"`
-	Team        OAuthV2ResponseTeam       `json:"team"`
-	Enterprise  OAuthV2ResponseEnterprise `json:"enterprise"`
-	AuthedUser  OAuthV2ResponseAuthedUser `json:"authed_user"`
+	AccessToken     string                       `json:"access_token"`
+	TokenType       string                       `json:"token_type"`
+	Scope           string                       `json:"scope"`
+	BotUserID       string                       `json:"bot_user_id"`
+	AppID           string                       `json:"app_id"`
+	Team            OAuthV2ResponseTeam          `json:"team"`
+	IncomingWebhook OAuthResponseIncomingWebhook `json:"incoming_webhook"`
+	Enterprise      OAuthV2ResponseEnterprise    `json:"enterprise"`
+	AuthedUser      OAuthV2ResponseAuthedUser    `json:"authed_user"`
 	SlackResponse
 }
 
diff --git a/vendor/github.com/slack-go/slack/views.go b/vendor/github.com/slack-go/slack/views.go
index c34feece..ee197ad8 100644
--- a/vendor/github.com/slack-go/slack/views.go
+++ b/vendor/github.com/slack-go/slack/views.go
@@ -150,6 +150,23 @@ func (api *Client) OpenView(triggerID string, view ModalViewRequest) (*ViewRespo
 	return api.OpenViewContext(context.Background(), triggerID, view)
 }
 
+// ValidateUniqueBlockID will verify if each input block has a unique block ID if set
+func ValidateUniqueBlockID(view ModalViewRequest) bool {
+
+	uniqueBlockID := map[string]bool{}
+
+	for _, b := range view.Blocks.BlockSet {
+		if inputBlock, ok := b.(*InputBlock); ok {
+			if _, ok := uniqueBlockID[inputBlock.BlockID]; ok {
+				return false
+			}
+			uniqueBlockID[inputBlock.BlockID] = true
+		}
+	}
+
+	return true
+}
+
 // OpenViewContext opens a view for a user with a custom context.
 func (api *Client) OpenViewContext(
 	ctx context.Context,
@@ -159,6 +176,11 @@ func (api *Client) OpenViewContext(
 	if triggerID == "" {
 		return nil, ErrParametersMissing
 	}
+
+	if !ValidateUniqueBlockID(view) {
+		return nil, ErrBlockIDNotUnique
+	}
+
 	req := openViewRequest{
 		TriggerID: triggerID,
 		View:      view,