From d1cff906608b199b8bf8592abb3b160964c759c2 Mon Sep 17 00:00:00 2001
From: "hinto.janai" <hinto.janai@protonmail.com>
Date: Fri, 6 Sep 2024 20:58:50 -0400
Subject: [PATCH] rpc/types: add `from` module

---
 rpc/types/Cargo.toml        |  6 ++++--
 rpc/types/src/from/bin.rs   |  1 +
 rpc/types/src/from/json.rs  |  1 +
 rpc/types/src/from/misc.rs  | 37 +++++++++++++++++++++++++++++++++++++
 rpc/types/src/from/mod.rs   |  4 ++++
 rpc/types/src/from/other.rs |  1 +
 rpc/types/src/lib.rs        |  1 +
 7 files changed, 49 insertions(+), 2 deletions(-)
 create mode 100644 rpc/types/src/from/bin.rs
 create mode 100644 rpc/types/src/from/json.rs
 create mode 100644 rpc/types/src/from/misc.rs
 create mode 100644 rpc/types/src/from/mod.rs
 create mode 100644 rpc/types/src/from/other.rs

diff --git a/rpc/types/Cargo.toml b/rpc/types/Cargo.toml
index 08b13b1..996e8f0 100644
--- a/rpc/types/Cargo.toml
+++ b/rpc/types/Cargo.toml
@@ -15,11 +15,13 @@ epee    = ["dep:cuprate-epee-encoding"]
 
 [dependencies]
 cuprate-epee-encoding = { path = "../../net/epee-encoding", optional = true }
+cuprate-helper        = { path = "../../helper", default-features = false, features = ["cast", "map"] }
 cuprate-fixed-bytes   = { path = "../../net/fixed-bytes" }
 cuprate-types         = { path = "../../types" }
 
-paste        = { workspace = true }
-serde        = { workspace = true, optional = true }
+hex   = { workspace = true }
+paste = { workspace = true }
+serde = { workspace = true, optional = true }
 
 [dev-dependencies]
 cuprate-test-utils = { path = "../../test-utils" }
diff --git a/rpc/types/src/from/bin.rs b/rpc/types/src/from/bin.rs
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/rpc/types/src/from/bin.rs
@@ -0,0 +1 @@
+
diff --git a/rpc/types/src/from/json.rs b/rpc/types/src/from/json.rs
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/rpc/types/src/from/json.rs
@@ -0,0 +1 @@
+
diff --git a/rpc/types/src/from/misc.rs b/rpc/types/src/from/misc.rs
new file mode 100644
index 0000000..062f8cd
--- /dev/null
+++ b/rpc/types/src/from/misc.rs
@@ -0,0 +1,37 @@
+use cuprate_types::VerifiedBlockInformation;
+
+use cuprate_helper::{cast::usize_to_u64, map::split_u128_into_low_high_bits};
+
+use crate::misc::BlockHeader;
+
+impl From<&VerifiedBlockInformation> for BlockHeader {
+    fn from(b: &VerifiedBlockInformation) -> Self {
+        let (cumulative_difficulty_top64, cumulative_difficulty) =
+            split_u128_into_low_high_bits(b.cumulative_difficulty);
+
+        Self {
+            block_size: usize_to_u64(b.block_blob.len()),
+            block_weight: usize_to_u64(b.weight),
+            cumulative_difficulty_top64,
+            cumulative_difficulty,
+            depth: todo!(),
+            difficulty_top64: todo!(),
+            difficulty: todo!(),
+            hash: hex::encode(b.block_hash),
+            height: usize_to_u64(b.height),
+            long_term_weight: usize_to_u64(b.long_term_weight),
+            major_version: b.block.header.hardfork_version,
+            miner_tx_hash: hex::encode(b.block.miner_transaction.hash()),
+            minor_version: b.block.header.hardfork_signal,
+            nonce: b.block.header.nonce,
+            num_txes: usize_to_u64(b.txs.len()),
+            orphan_status: todo!(),
+            pow_hash: hex::encode(b.pow_hash),
+            prev_hash: hex::encode(b.block.header.previous),
+            reward: todo!(),
+            timestamp: b.block.header.timestamp,
+            wide_cumulative_difficulty: todo!(),
+            wide_difficulty: todo!(),
+        }
+    }
+}
diff --git a/rpc/types/src/from/mod.rs b/rpc/types/src/from/mod.rs
new file mode 100644
index 0000000..ffa8364
--- /dev/null
+++ b/rpc/types/src/from/mod.rs
@@ -0,0 +1,4 @@
+mod bin;
+mod json;
+mod misc;
+mod other;
diff --git a/rpc/types/src/from/other.rs b/rpc/types/src/from/other.rs
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/rpc/types/src/from/other.rs
@@ -0,0 +1 @@
+
diff --git a/rpc/types/src/lib.rs b/rpc/types/src/lib.rs
index 51ea3cc..c24d287 100644
--- a/rpc/types/src/lib.rs
+++ b/rpc/types/src/lib.rs
@@ -4,6 +4,7 @@
 mod constants;
 mod defaults;
 mod free;
+mod from;
 mod macros;
 mod rpc_call;