FuelLabs/fuel-core · error · anyhow::Error

`debug` must be enabled to use this endpoint

Error message

`debug` must be enabled to use this endpoint

What it means

Error "`debug` must be enabled to use this endpoint" thrown in FuelLabs/fuel-core.

Source

Thrown at crates/fuel-core/src/schema/block.rs:400

#[derive(Default)]
pub struct BlockMutation;

#[Object]
impl BlockMutation {
    /// Sequentially produces `blocks_to_produce` blocks. The first block starts with
    /// `start_timestamp`. If the block production in the [`crate::service::Config`] is
    /// `Trigger::Interval { block_time }`, produces blocks with `block_time ` intervals between
    /// them. The `start_timestamp` is the timestamp in seconds.
    async fn produce_blocks(
        &self,
        ctx: &Context<'_>,
        start_timestamp: Option<Tai64Timestamp>,
        blocks_to_produce: U32,
    ) -> async_graphql::Result<U32> {
        let config = ctx.data_unchecked::<GraphQLConfig>().clone();

        if !config.debug {
            return Err(anyhow!("`debug` must be enabled to use this endpoint").into())
        }

        let consensus_module = ctx.data_unchecked::<ConsensusModule>();

        let start_time = start_timestamp.map(|timestamp| timestamp.0);
        let blocks_to_produce: u32 = blocks_to_produce.into();
        consensus_module
            .manually_produce_blocks(start_time, blocks_to_produce)
            .await?;

        let on_chain_height = ctx.read_view()?.latest_block_height()?;
        let shared_state =
            ctx.data_unchecked::<graphql_api::worker_service::SharedState>();
        shared_state
            .block_height_subscription_handler
            .subscribe()
            .wait_for_block_height(on_chain_height)
            .await?;

View on GitHub (pinned to b9d4d170da)

When it happens

Trigger: Thrown at crates/fuel-core/src/schema/block.rs:400 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of FuelLabs/fuel-core@b9d4d170da (2026-08-16). Data as JSON: /api/errors/2f8de106667adb89. Report an issue: GitHub.