easy refactor(graphql-alt): lock down visibility

## Description

Switch `pub` to `pub(crate)` or `pub(super)` where possible.

## Test plan

CI

Author: amnn

crates/sui-indexer-alt-graphql/src/api/scalars/cursor.rs

@@ -24,7 +24,7 @@ pub(crate) enum Error {
 }
 
 impl<C> JsonCursor<C> {
-    pub fn new(cursor: C) -> Self {
+    pub(crate) fn new(cursor: C) -> Self {
         Self(cursor)
     }
 }

crates/sui-indexer-alt-graphql/src/api/types/object.rs

@@ -82,10 +82,10 @@ pub(crate) struct ObjectImpl<'o>(&'o Object);
 #[derive(InputObject, Debug, Clone, Eq, PartialEq)]
 pub(crate) struct ObjectKey {
     /// The object's ID.
-    pub address: SuiAddress,
+    pub(crate) address: SuiAddress,
 
     /// If specified, tries to fetch the object at this exact version.
-    pub version: Option<UInt53>,
+    pub(crate) version: Option<UInt53>,
 
     /// If specified, tries to fetch the latest version of the object at or before this version.
     ///
@@ -94,10 +94,10 @@ pub(crate) struct ObjectKey {
     /// - The root object of the object it is wrapped in, if it is wrapped.
     /// - The root object of its owner, if it is owned by another object.
     /// - The object itself, if it is not object-owned or wrapped.
-    pub root_version: Option<UInt53>,
+    pub(crate) root_version: Option<UInt53>,
 
     /// If specified, tries to fetch the latest version as of this checkpoint.
-    pub at_checkpoint: Option<UInt53>,
+    pub(crate) at_checkpoint: Option<UInt53>,
 }
 
 #[derive(thiserror::Error, Debug, Clone)]

crates/sui-indexer-alt-graphql/src/api/types/transaction.rs

@@ -21,8 +21,8 @@ use super::transaction_effects::{EffectsContents, TransactionEffects};
 
 #[derive(Clone)]
 pub(crate) struct Transaction {
-    pub digest: TransactionDigest,
-    pub contents: TransactionContents,
+    pub(crate) digest: TransactionDigest,
+    pub(crate) contents: TransactionContents,
 }
 
 #[derive(Clone)]

crates/sui-indexer-alt-graphql/src/api/types/transaction_effects.rs

@@ -29,8 +29,8 @@ use super::{
 
 #[derive(Clone)]
 pub(crate) struct TransactionEffects {
-    pub digest: TransactionDigest,
-    pub contents: EffectsContents,
+    pub(crate) digest: TransactionDigest,
+    pub(crate) contents: EffectsContents,
 }
 
 #[derive(Clone)]

crates/sui-indexer-alt-graphql/src/extensions/query_limits/input.rs

@@ -18,8 +18,8 @@ use super::{
 /// How many input nodes the query used, and how deep the deepest part of the query was.
 #[derive(Serialize, Deserialize)]
 pub(super) struct Usage {
-    pub nodes: u32,
-    pub depth: u32,
+    pub(super) nodes: u32,
+    pub(super) depth: u32,
 }
 
 /// Check input node limits for the query in `doc` regarding depth and number of nodes. These

crates/sui-indexer-alt-graphql/src/extensions/query_limits/mod.rs

@@ -29,13 +29,13 @@ pub(crate) mod show_usage;
 mod visitor;
 
 pub(crate) struct QueryLimitsConfig {
-    pub max_output_nodes: u32,
-    pub max_query_nodes: u32,
-    pub max_query_depth: u32,
-    pub max_query_payload_size: u32,
-    pub max_tx_payload_size: u32,
+    pub(crate) max_output_nodes: u32,
+    pub(crate) max_query_nodes: u32,
+    pub(crate) max_query_depth: u32,
+    pub(crate) max_query_payload_size: u32,
+    pub(crate) max_tx_payload_size: u32,
 
-    pub tx_payload_args: BTreeSet<(&'static str, &'static str, &'static str)>,
+    pub(crate) tx_payload_args: BTreeSet<(&'static str, &'static str, &'static str)>,
 }
 
 /// Extension factory for adding checks that the query is within configurable limits.
@@ -64,7 +64,7 @@ struct Usage {
 
 impl QueryLimitsConfig {
     /// Requests to this service can definitely not exceed this size, in bytes.
-    pub fn max_payload_size(&self) -> u32 {
+    pub(crate) fn max_payload_size(&self) -> u32 {
         self.max_query_payload_size + self.max_tx_payload_size
     }
 }

crates/sui-indexer-alt-graphql/src/extensions/query_limits/output.rs

@@ -17,7 +17,7 @@ use super::{
 /// How many output nodes are estimated to be output from this query.
 #[derive(Serialize, Deserialize)]
 pub(super) struct Usage {
-    pub nodes: u32,
+    pub(super) nodes: u32,
 }
 
 struct OutputNodeBudget<'c> {

crates/sui-indexer-alt-graphql/src/extensions/query_limits/payload.rs

@@ -21,8 +21,8 @@ use super::{
 /// The proportion of the query content that was transaction payload versus query payload.
 #[derive(Serialize, Deserialize)]
 pub(super) struct Usage {
-    pub query_payload_size: u32,
-    pub tx_payload_size: u32,
+    pub(super) query_payload_size: u32,
+    pub(super) tx_payload_size: u32,
 }
 
 /// Validation rule that finds parts of the request that correspond to transaction payloads

crates/sui-indexer-alt-graphql/src/extensions/timeout.rs

@@ -20,8 +20,8 @@ use crate::error::request_timeout;
 
 /// How long to wait for each kind of operation before timing out.
 pub(crate) struct TimeoutConfig {
-    pub query: Duration,
-    pub mutation: Duration,
+    pub(crate) query: Duration,
+    pub(crate) mutation: Duration,
 }
 
 /// The timeout extension is responsible for limiting the amount of time spent serving any single

crates/sui-indexer-alt-graphql/src/pagination.rs

@@ -26,8 +26,8 @@ pub(crate) struct PaginationConfig {
 
 /// The configuration for a single paginated field.
 pub(crate) struct PageLimits {
-    pub default: u32,
-    pub max: u32,
+    pub(crate) default: u32,
+    pub(crate) max: u32,
 }
 
 #[derive(Debug, Eq, PartialEq)]