From b6e8b3a08e88873d633956024879bdb575b48d00 Mon Sep 17 00:00:00 2001
From: "hinto.janai" <hinto.janai@protonmail.com>
Date: Mon, 9 Sep 2024 17:50:11 -0400
Subject: [PATCH] cuprated: version constants

---
 Cargo.lock                        | 27 +++++++++++++++++++++++++++
 Cargo.toml                        |  1 +
 binaries/cuprated/Cargo.toml      |  3 ++-
 binaries/cuprated/src/main.rs     |  1 +
 binaries/cuprated/src/rpc/json.rs | 16 ++++++++++------
 binaries/cuprated/src/version.rs  |  8 ++++++++
 6 files changed, 49 insertions(+), 7 deletions(-)
 create mode 100644 binaries/cuprated/src/version.rs

diff --git a/Cargo.lock b/Cargo.lock
index c941dc12..8ef6323d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -386,6 +386,26 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4b82cf0babdbd58558212896d1a4272303a57bdb245c2bf1147185fb45640e70"
 
+[[package]]
+name = "const_format"
+version = "0.2.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50c655d81ff1114fb0dcdea9225ea9f0cc712a6f8d189378e82bdf62a473a64b"
+dependencies = [
+ "const_format_proc_macros",
+]
+
+[[package]]
+name = "const_format_proc_macros"
+version = "0.2.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eff1a44b93f47b1bac19a27932f5c591e43d1ba357ee4f61526c8a25603f0eb1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.4"
@@ -927,6 +947,7 @@ dependencies = [
  "cfg-if",
  "chrono",
  "clap",
+ "const_format",
  "crossbeam",
  "crypto-bigint",
  "cuprate-address-book",
@@ -3044,6 +3065,12 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
+[[package]]
+name = "unicode-xid"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "229730647fbc343e3a80e463c1db7f78f3855d3f3739bee0dda773c9a037c90a"
+
 [[package]]
 name = "untrusted"
 version = "0.9.0"
diff --git a/Cargo.toml b/Cargo.toml
index 2d718936..d2b3397a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,6 +59,7 @@ clap                  = { version = "4.4.7", default-features = false }
 chrono                = { version = "0.4.31", default-features = false }
 crypto-bigint         = { version = "0.5.5", default-features = false }
 crossbeam             = { version = "0.8.4", default-features = false }
+const_format          = { version = "0.2.33", default-features = false }
 curve25519-dalek      = { version = "4.1.3", default-features = false }
 dashmap               = { version = "5.5.3", default-features = false }
 dirs                  = { version = "5.0.1", default-features = false }
diff --git a/binaries/cuprated/Cargo.toml b/binaries/cuprated/Cargo.toml
index a886c124..634a5220 100644
--- a/binaries/cuprated/Cargo.toml
+++ b/binaries/cuprated/Cargo.toml
@@ -42,10 +42,11 @@ borsh                 = { workspace = true }
 bytemuck              = { workspace = true }
 bytes                 = { workspace = true }
 cfg-if                = { workspace = true }
-clap                  = { workspace = true }
+clap                  = { workspace = true, features = ["cargo"] }
 chrono                = { workspace = true }
 crypto-bigint         = { workspace = true }
 crossbeam             = { workspace = true }
+const_format          = { workspace = true }
 curve25519-dalek      = { workspace = true }
 dashmap               = { workspace = true }
 dirs                  = { workspace = true }
diff --git a/binaries/cuprated/src/main.rs b/binaries/cuprated/src/main.rs
index 04392260..b7abf41d 100644
--- a/binaries/cuprated/src/main.rs
+++ b/binaries/cuprated/src/main.rs
@@ -17,6 +17,7 @@ mod config;
 mod p2p;
 mod rpc;
 mod txpool;
+mod version;
 
 fn main() {
     todo!()
diff --git a/binaries/cuprated/src/rpc/json.rs b/binaries/cuprated/src/rpc/json.rs
index 6bc0f7de..fd8cb89b 100644
--- a/binaries/cuprated/src/rpc/json.rs
+++ b/binaries/cuprated/src/rpc/json.rs
@@ -32,12 +32,16 @@ use cuprate_rpc_types::{
         SyncInfoResponse,
     },
     misc::{BlockHeader, Status},
+    CORE_RPC_VERSION,
 };
 use cuprate_types::{blockchain::BlockchainReadRequest, Chain};
 
 use crate::{
-    rpc::{blockchain, helper},
-    rpc::{CupratedRpcHandlerState, RESTRICTED_BLOCK_COUNT, RESTRICTED_BLOCK_HEADER_RANGE},
+    rpc::{
+        blockchain, helper, CupratedRpcHandlerState, RESTRICTED_BLOCK_COUNT,
+        RESTRICTED_BLOCK_HEADER_RANGE,
+    },
+    version::CUPRATED_VERSION_IS_RELEASE,
 };
 
 /// Map a [`JsonRpcRequest`] to the function that will lead to a [`JsonRpcResponse`].
@@ -440,14 +444,14 @@ async fn get_coinbase_tx_sum(
 
 /// <https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454/src/rpc/core_rpc_server.cpp#L2981-L2996>
 async fn get_version(
-    state: CupratedRpcHandlerState,
+    mut state: CupratedRpcHandlerState,
     request: GetVersionRequest,
 ) -> Result<GetVersionResponse, Error> {
     Ok(GetVersionResponse {
         base: ResponseBase::ok(),
-        version: todo!(),
-        release: todo!(),
-        current_height: todo!(),
+        version: CORE_RPC_VERSION,
+        release: CUPRATED_VERSION_IS_RELEASE,
+        current_height: helper::top_height(&mut state).await?.0,
         target_height: todo!(),
         hard_forks: todo!(),
     })
diff --git a/binaries/cuprated/src/version.rs b/binaries/cuprated/src/version.rs
new file mode 100644
index 00000000..c04a5b77
--- /dev/null
+++ b/binaries/cuprated/src/version.rs
@@ -0,0 +1,8 @@
+//! - <https://github.com/monero-project/monero/blob/a1dc85c5373a30f14aaf7dcfdd95f5a7375d3623/src/version.h>
+//! - <https://github.com/monero-project/monero/blob/a1dc85c5373a30f14aaf7dcfdd95f5a7375d3623/src/version.cpp.in>
+
+use const_format::formatcp;
+
+pub const CUPRATED_VERSION: &str = formatcp!("{}", clap::crate_version!());
+pub const CUPRATED_RELEASE_NAME: &str = "Fluorine Fermi";
+pub const CUPRATED_VERSION_IS_RELEASE: bool = !cfg!(debug_assertions);