sig docs, remove HardForks request

Cargo.lock

@@ -1010,6 +1010,7 @@ dependencies = [
  "serde",
  "serde_bytes",
  "serde_json",
+ "strum",
  "thiserror",
  "thread_local",
  "tokio",

binaries/cuprated/Cargo.toml

@@ -65,6 +65,7 @@ rayon                 = { workspace = true }
 serde_bytes           = { workspace = true }
 serde_json            = { workspace = true }
 serde                 = { workspace = true }
+strum                 = { workspace = true }
 thiserror             = { workspace = true }
 thread_local          = { workspace = true }
 tokio-util            = { workspace = true }

binaries/cuprated/src/rpc/json.rs

@@ -5,7 +5,9 @@ use std::{
 
 use anyhow::{anyhow, Error};
 use cuprate_p2p_core::{client::handshaker::builder::DummyAddressBook, ClearNet};
+use futures::TryFutureExt;
 use monero_serai::block::Block;
+use strum::{EnumCount, VariantArray};
 use tower::{Service, ServiceExt};
 
 use cuprate_consensus::{BlockchainReadRequest, BlockchainResponse};
@@ -673,14 +675,20 @@ async fn get_version(
     let current_height = helper::top_height(&mut state).await?.0;
     let target_height = blockchain_manager::target_height(&mut state.blockchain_manager).await?;
 
-    let hard_forks = blockchain::hard_forks(&mut state.blockchain_read)
-        .await?
-        .into_iter()
-        .map(|(height, hf)| HardforkEntry {
-            height: usize_to_u64(height),
-            hf_version: hf.as_u8(),
-        })
-        .collect();
+    let mut hard_forks = Vec::with_capacity(HardFork::COUNT);
+
+    // FIXME: use an iterator `collect()` version.
+    for hf in HardFork::VARIANTS {
+        if let Ok(hf) = blockchain_context::hard_fork_info(&mut state.blockchain_context, *hf).await
+        {
+            let entry = HardforkEntry {
+                height: hf.earliest_height,
+                hf_version: hf.version,
+            };
+
+            hard_forks.push(entry);
+        }
+    }
 
     Ok(GetVersionResponse {
         base: ResponseBase::OK,

binaries/cuprated/src/rpc/request/blockchain.rs

@@ -344,22 +344,6 @@ pub(crate) async fn coinbase_tx_sum(
     Ok(sum)
 }
 
-/// [`BlockchainReadRequest::HardForks`]
-pub(crate) async fn hard_forks(
-    blockchain_read: &mut BlockchainReadHandle,
-) -> Result<BTreeMap<usize, HardFork>, Error> {
-    let BlockchainResponse::HardForks(hfs) = blockchain_read
-        .ready()
-        .await?
-        .call(BlockchainReadRequest::HardForks)
-        .await?
-    else {
-        unreachable!();
-    };
-
-    Ok(hfs)
-}
-
 /// [`BlockchainReadRequest::AltChains`]
 pub(crate) async fn alt_chains(
     blockchain_read: &mut BlockchainReadHandle,

storage/blockchain/src/service/read.rs

@@ -121,7 +121,6 @@ fn map_request(
         R::DatabaseSize => database_size(env),
         R::OutputHistogram(input) => output_histogram(env, input),
         R::CoinbaseTxSum { height, count } => coinbase_tx_sum(env, height, count),
-        R::HardForks => hard_forks(env),
         R::AltChains => alt_chains(env),
         R::AltChainCount => alt_chain_count(env),
     }
@@ -652,11 +651,6 @@ fn coinbase_tx_sum(env: &ConcreteEnv, height: usize, count: u64) -> ResponseResu
     Ok(BlockchainResponse::CoinbaseTxSum(todo!()))
 }
 
-/// [`BlockchainReadRequest::HardForks`]
-fn hard_forks(env: &ConcreteEnv) -> ResponseResult {
-    Ok(BlockchainResponse::HardForks(todo!()))
-}
-
 /// [`BlockchainReadRequest::AltChains`]
 fn alt_chains(env: &ConcreteEnv) -> ResponseResult {
     Ok(BlockchainResponse::AltChains(todo!()))

storage/txpool/src/service/interface.rs

@@ -22,12 +22,16 @@ pub enum TxpoolReadRequest {
     /// Get information on all transactions in the pool.
     Backlog,
 
-    /// TODO
+    /// Get information on all transactions in
+    /// the pool for block template purposes.
+    ///
+    /// This is only slightly different to [`TxpoolReadRequest::Backlog`].
     BlockTemplateBacklog,
 
     /// Get the number of transactions in the pool.
     Size {
-        /// TODO
+        /// If this is [`true`], the size returned will
+        /// include private transactions in the pool.
         include_sensitive_txs: bool,
     },
 }
@@ -47,13 +51,13 @@ pub enum TxpoolReadResponse {
 
     /// Response to [`TxpoolReadRequest::Backlog`].
     ///
-    /// The inner `Vec` contains information on all
+    /// The inner [`Vec`] contains information on all
     /// the transactions currently in the pool.
     Backlog(Vec<TxEntry>),
 
     /// Response to [`TxpoolReadRequest::BlockTemplateBacklog`].
     ///
-    /// TODO
+    /// The inner [`Vec`] contains information on transactions
     BlockTemplateBacklog(Vec<BlockTemplateTxEntry>),
 
     /// Response to [`TxpoolReadRequest::Size`].

storage/txpool/src/tx.rs

@@ -13,15 +13,16 @@ pub struct TxEntry {
     pub time_in_pool: std::time::Duration,
 }
 
-/// TODO
+/// Data about a transaction in the pool
+/// for use in a block template.
 ///
 /// Used in [`TxpoolReadResponse::BlockTemplateBacklog`](crate::service::interface::TxpoolReadResponse::BlockTemplateBacklog).
 #[derive(Copy, Clone, Debug, Ord, PartialOrd, Eq, PartialEq, Hash)]
 pub struct BlockTemplateTxEntry {
-    /// TODO
+    /// The transaction's ID (hash).
     pub id: [u8; 32],
-    /// TODO
+    /// The transaction's weight.
     pub weight: u64,
-    /// TODO
+    /// The transaction's fee.
     pub fee: u64,
 }

types/src/blockchain.rs

@@ -4,7 +4,7 @@
 //! responses are also tested in Cuprate's blockchain database crate.
 //---------------------------------------------------------------------------------------------------- Import
 use std::{
-    collections::{BTreeMap, HashMap, HashSet},
+    collections::{HashMap, HashSet},
     ops::Range,
 };
 
@@ -12,7 +12,7 @@ use monero_serai::block::Block;
 
 use crate::{
     types::{Chain, ExtendedBlockHeader, OutputOnChain, VerifiedBlockInformation},
-    AltBlockInformation, ChainId, ChainInfo, CoinbaseTxSum, HardFork, OutputHistogramEntry,
+    AltBlockInformation, ChainId, ChainInfo, CoinbaseTxSum, OutputHistogramEntry,
     OutputHistogramInput,
 };
 
@@ -130,13 +130,10 @@ pub enum BlockchainReadRequest {
     /// TODO: document fields after impl.
     CoinbaseTxSum { height: usize, count: u64 },
 
-    /// TODO
-    HardForks,
-
-    /// TODO
+    /// Get information on all alternative chains.
     AltChains,
 
-    /// TODO
+    /// Get the amount of alternative chains that exist.
     AltChainCount,
 }
 
@@ -286,13 +283,7 @@ pub enum BlockchainResponse {
     /// Response to [`BlockchainReadRequest::CoinbaseTxSum`].
     CoinbaseTxSum(CoinbaseTxSum),
 
-    /// Response to [`BlockchainReadRequest::HardForks`].
-    ///
-    /// - Key = height at which the hardfork activated
-    /// - Value = hardfork version
-    HardForks(BTreeMap<usize, HardFork>),
-
-    /// TODO
+    /// Response to [`BlockchainReadRequest::AltChains`].
     AltChains(Vec<ChainInfo>),
 
     /// Response to [`BlockchainReadRequest::AltChainCount`].