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PageInfo

Cursor metadata for indexer GraphQL connections.

Definition

#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct PageInfo {
    pub start_cursor:      Option<String>,
    pub end_cursor:        Option<String>,
    pub has_next_page:     bool,
    pub has_previous_page: bool,
}

Re-exported at the dango_sdk crate root from indexer_graphql_types.

Fields

start_cursor — Option<String>. Cursor of the first node in this page. None when the page is empty.

end_cursor — Option<String>. Cursor of the last node. Pass as after: to fetch the next page.

has_next_page — bool. true when more pages exist after this one (forward).

has_previous_page — bool. true when pages exist before this one (backward).

Construction

use dango_sdk::PageInfo;
 
let pi = PageInfo {
    start_cursor:      Some("cursor:0".into()),
    end_cursor:        Some("cursor:100".into()),
    has_next_page:     true,
    has_previous_page: false,
};
let _ = pi;

The codegen connection types — accounts::AccountsAccounts, transfers::TransfersTransfers, … — each have their own PageInfo field with the same shape. paginate_all accepts a closure that converts the per-query PageInfo into this common type so the pagination loop is type-agnostic.

Notes

  • Connections follow the Relay cursor spec. Cursors are opaque strings; don't parse them.
  • Forward pagination uses end_cursor + after:. Backward uses start_cursor + before:.

See also