From af6ff09a275ec12b6fd0d6a101637f4710902a3c Mon Sep 17 00:00:00 2001
From: "Dr. Maxim Orlovsky" <orlovsky@pandoracore.com>
Date: Mon, 20 Apr 2020 00:41:31 +0200
Subject: [PATCH] Removing BitcoinHash trait to adopt new bitcoin crate API

---
 Cargo.lock    | 1171 +++++++++++++++++++++++++------------------------
 Cargo.toml    |    3 +-
 src/bulk.rs   |    7 +-
 src/cache.rs  |    2 +-
 src/daemon.rs |    9 +-
 src/index.rs  |    7 +-
 src/query.rs  |    4 +-
 src/rpc.rs    |    4 +-
 src/util.rs   |   26 +-
 9 files changed, 630 insertions(+), 603 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 670cc5f..0c730bf 100644
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+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/Cargo.toml b/Cargo.toml
index 03264ad..59e4e6d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,8 +24,7 @@ latest_rust = []  # use latest Rust features (otherwise, support Rust 1.34)
 [dependencies]
 base64 = "0.10"
 bincode = "1.0"
-bitcoin = { version = "0.23", features = ["use-serde"] }
-bitcoin_hashes = "0.7.6"
+bitcoin = { version = "0.24", features = ["use-serde"] }
 configure_me = "0.3.4"
 configure_me_codegen = "0.3.14"
 crossbeam-channel = "0.3"
diff --git a/src/bulk.rs b/src/bulk.rs
index 98287c1..d511e7c 100644
--- a/src/bulk.rs
+++ b/src/bulk.rs
@@ -18,7 +18,6 @@ use crate::metrics::{CounterVec, Histogram, HistogramOpts, HistogramVec, MetricO
 use crate::signal::Waiter;
 use crate::store::{DBStore, Row, WriteStore};
 use crate::util::{spawn_thread, HeaderList, SyncChannel};
-use bitcoin::BitcoinHash;
 
 struct Parser {
     magic: u32,
@@ -88,7 +87,7 @@ impl Parser {
         let mut rows = Vec::<Row>::new();
         let timer = self.duration.with_label_values(&["index"]).start_timer();
         for block in blocks {
-            let blockhash = block.bitcoin_hash();
+            let blockhash = block.block_hash();
             if let Some(header) = self.current_headers.header_by_blockhash(&blockhash) {
                 if self
                     .indexed_blockhashes
@@ -265,7 +264,7 @@ pub fn index_blk_files(
 mod tests {
 
     use super::*;
-    use bitcoin_hashes::Hash;
+    use bitcoin::hashes::Hash;
     use hex::decode as hex_decode;
 
     #[test]
@@ -275,7 +274,7 @@ mod tests {
         let blocks = parse_blocks(raw_blocks, magic).unwrap();
         assert_eq!(blocks.len(), 2);
         assert_eq!(
-            blocks[1].bitcoin_hash().into_inner().to_vec(),
+            blocks[1].block_hash().into_inner().to_vec(),
             hex_decode("d55acd552414cc44a761e8d6b64a4d555975e208397281d115336fc500000000").unwrap()
         );
     }
diff --git a/src/cache.rs b/src/cache.rs
index 916ce5a..7c7e13c 100644
--- a/src/cache.rs
+++ b/src/cache.rs
@@ -145,7 +145,7 @@ impl TransactionCache {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use bitcoin_hashes::Hash;
+    use bitcoin::hashes::Hash;
 
     #[test]
     fn test_sized_lru_cache_hit_and_miss() {
diff --git a/src/daemon.rs b/src/daemon.rs
index 8cfd30d..0a0a273 100644
--- a/src/daemon.rs
+++ b/src/daemon.rs
@@ -3,8 +3,8 @@ use bitcoin::blockdata::transaction::Transaction;
 use bitcoin::consensus::encode::{deserialize, serialize};
 use bitcoin::hash_types::{BlockHash, Txid};
 use bitcoin::network::constants::Network;
-use bitcoin_hashes::hex::{FromHex, ToHex};
-use bitcoin_hashes::Hash;
+use bitcoin::hashes::hex::{FromHex, ToHex};
+use bitcoin::hashes::Hash;
 use serde_json::{from_str, from_value, Map, Value};
 use std::collections::{HashMap, HashSet};
 use std::io::{BufRead, BufReader, Lines, Write};
@@ -19,7 +19,6 @@ use crate::errors::*;
 use crate::metrics::{HistogramOpts, HistogramVec, Metrics};
 use crate::signal::Waiter;
 use crate::util::HeaderList;
-use bitcoin::BitcoinHash;
 
 fn parse_hash<T: Hash>(value: &Value) -> Result<T> {
     Ok(T::from_hex(
@@ -497,7 +496,7 @@ impl Daemon {
         let block = block_from_value(
             self.request("getblock", json!([blockhash.to_hex(), /*verbose=*/ false]))?,
         )?;
-        assert_eq!(block.bitcoin_hash(), *blockhash);
+        assert_eq!(block.block_hash(), *blockhash);
         Ok(block)
     }
 
@@ -626,7 +625,7 @@ impl Daemon {
         let mut blockhash = null_hash;
         for header in &result {
             assert_eq!(header.prev_blockhash, blockhash);
-            blockhash = header.bitcoin_hash();
+            blockhash = header.block_hash();
         }
         assert_eq!(blockhash, *tip);
         Ok(result)
diff --git a/src/index.rs b/src/index.rs
index 7722f76..72d3847 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -19,7 +19,6 @@ use crate::util::{
     full_hash, hash_prefix, spawn_thread, Bytes, FullHash, HashPrefix, HeaderEntry, HeaderList,
     HeaderMap, SyncChannel, HASH_PREFIX_LEN,
 };
-use bitcoin::BitcoinHash;
 
 #[derive(Serialize, Deserialize)]
 pub struct TxInKey {
@@ -195,7 +194,7 @@ pub fn index_transaction<'a>(
 }
 
 pub fn index_block<'a>(block: &'a Block, height: usize) -> impl 'a + Iterator<Item = Row> {
-    let blockhash = block.bitcoin_hash();
+    let blockhash = block.block_hash();
     // Persist block hash and header
     let row = Row {
         key: bincode::serialize(&BlockKey {
@@ -263,7 +262,7 @@ fn read_indexed_headers(store: &dyn ReadStore) -> HeaderList {
     assert_eq!(
         headers
             .last()
-            .map(BlockHeader::bitcoin_hash)
+            .map(BlockHeader::block_hash)
             .unwrap_or(null_hash),
         latest_blockhash
     );
@@ -410,7 +409,7 @@ impl Index {
             }
 
             let rows_iter = batch.iter().flat_map(|block| {
-                let blockhash = block.bitcoin_hash();
+                let blockhash = block.block_hash();
                 let height = *height_map
                     .get(&blockhash)
                     .unwrap_or_else(|| panic!("missing header for block {}", blockhash));
diff --git a/src/query.rs b/src/query.rs
index 3b9a945..ac0ddb1 100644
--- a/src/query.rs
+++ b/src/query.rs
@@ -2,8 +2,8 @@ use bitcoin::blockdata::transaction::Transaction;
 use bitcoin::consensus::encode::deserialize;
 use bitcoin::hash_types::{BlockHash, TxMerkleNode, Txid};
 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
-use bitcoin_hashes::hex::ToHex;
-use bitcoin_hashes::Hash;
+use bitcoin::hashes::hex::ToHex;
+use bitcoin::hashes::Hash;
 use crypto::digest::Digest;
 use crypto::sha2::Sha256;
 use serde_json::Value;
diff --git a/src/rpc.rs b/src/rpc.rs
index 03de786..e43a4c5 100644
--- a/src/rpc.rs
+++ b/src/rpc.rs
@@ -1,7 +1,7 @@
 use bitcoin::blockdata::transaction::Transaction;
 use bitcoin::consensus::encode::{deserialize, serialize};
-use bitcoin_hashes::hex::{FromHex, ToHex};
-use bitcoin_hashes::{sha256d::Hash as Sha256dHash, Hash};
+use bitcoin::hashes::hex::{FromHex, ToHex};
+use bitcoin::hashes::{sha256d::Hash as Sha256dHash, Hash};
 use error_chain::ChainedError;
 use serde_json::{from_str, Value};
 use std::collections::HashMap;
diff --git a/src/util.rs b/src/util.rs
index 056471c..129e65d 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -1,6 +1,5 @@
 use bitcoin::blockdata::block::BlockHeader;
 use bitcoin::hash_types::BlockHash;
-use bitcoin::util::hash::BitcoinHash;
 use std::collections::HashMap;
 use std::convert::TryInto;
 use std::fmt;
@@ -73,7 +72,7 @@ fn hash_headers(headers: Vec<BlockHeader>) -> Vec<HashedHeader> {
     // header[i] -> header[i-1] (i.e. header.last() is the tip)
     let hashed_headers =
         Vec::<HashedHeader>::from_iter(headers.into_iter().map(|header| HashedHeader {
-            blockhash: header.bitcoin_hash(),
+            blockhash: header.block_hash(),
             header,
         }));
     for i in 1..hashed_headers.len() {
@@ -285,8 +284,7 @@ mod tests {
     fn test_headers() {
         use bitcoin::blockdata::block::BlockHeader;
         use bitcoin::hash_types::{BlockHash, TxMerkleNode};
-        use bitcoin::util::hash::BitcoinHash;
-        use bitcoin_hashes::Hash;
+        use bitcoin::hashes::Hash;
 
         use super::HeaderList;
 
@@ -308,7 +306,7 @@ mod tests {
             nonce: 0,
         }];
         for _height in 1..10 {
-            let prev_blockhash = headers.last().unwrap().bitcoin_hash();
+            let prev_blockhash = headers.last().unwrap().block_hash();
             let header = BlockHeader {
                 version: 1,
                 prev_blockhash,
@@ -329,7 +327,7 @@ mod tests {
         for h in 0..3 {
             let entry = header_list.header_by_height(h).unwrap();
             assert_eq!(entry.header, headers[h]);
-            assert_eq!(entry.hash, headers[h].bitcoin_hash());
+            assert_eq!(entry.hash, headers[h].block_hash());
             assert_eq!(entry.height, h);
             assert_eq!(header_list.header_by_blockhash(&entry.hash), Some(entry));
         }
@@ -343,7 +341,7 @@ mod tests {
         for h in 0..6 {
             let entry = header_list.header_by_height(h).unwrap();
             assert_eq!(entry.header, headers[h]);
-            assert_eq!(entry.hash, headers[h].bitcoin_hash());
+            assert_eq!(entry.hash, headers[h].block_hash());
             assert_eq!(entry.height, h);
             assert_eq!(header_list.header_by_blockhash(&entry.hash), Some(entry));
         }
@@ -357,7 +355,7 @@ mod tests {
         for h in 0..10 {
             let entry = header_list.header_by_height(h).unwrap();
             assert_eq!(entry.header, headers[h]);
-            assert_eq!(entry.hash, headers[h].bitcoin_hash());
+            assert_eq!(entry.hash, headers[h].block_hash());
             assert_eq!(entry.height, h);
             assert_eq!(header_list.header_by_blockhash(&entry.hash), Some(entry));
         }
@@ -365,7 +363,7 @@ mod tests {
         // Reorg the chain and test apply() on it
         for h in 8..10 {
             headers[h].nonce += 1;
-            headers[h].prev_blockhash = headers[h - 1].bitcoin_hash()
+            headers[h].prev_blockhash = headers[h - 1].block_hash()
         }
         // Test reorging the chain
         let ordered = header_list.order(headers[8..10].to_vec());
@@ -376,19 +374,19 @@ mod tests {
         for h in 0..10 {
             let entry = header_list.header_by_height(h).unwrap();
             assert_eq!(entry.header, headers[h]);
-            assert_eq!(entry.hash, headers[h].bitcoin_hash());
+            assert_eq!(entry.hash, headers[h].block_hash());
             assert_eq!(entry.height, h);
             assert_eq!(header_list.header_by_blockhash(&entry.hash), Some(entry));
         }
 
         // Test "trimming" the chain
-        header_list.apply(vec![], headers[7].bitcoin_hash());
+        header_list.apply(vec![], headers[7].block_hash());
         assert_eq!(header_list.len(), 8);
-        assert_eq!(header_list.tip(), headers[7].bitcoin_hash());
+        assert_eq!(header_list.tip(), headers[7].block_hash());
         for h in 0..8 {
             let entry = header_list.header_by_height(h).unwrap();
             assert_eq!(entry.header, headers[h]);
-            assert_eq!(entry.hash, headers[h].bitcoin_hash());
+            assert_eq!(entry.hash, headers[h].block_hash());
             assert_eq!(entry.height, h);
             assert_eq!(header_list.header_by_blockhash(&entry.hash), Some(entry));
         }
@@ -402,7 +400,7 @@ mod tests {
         for h in 0..10 {
             let entry = header_list.header_by_height(h).unwrap();
             assert_eq!(entry.header, headers[h]);
-            assert_eq!(entry.hash, headers[h].bitcoin_hash());
+            assert_eq!(entry.hash, headers[h].block_hash());
             assert_eq!(entry.height, h);
             assert_eq!(header_list.header_by_blockhash(&entry.hash), Some(entry));
         }