Update to rust-bitcoin v0.30.2

fuzz/Cargo.toml

@@ -20,8 +20,8 @@ stdin_fuzz = []
 [dependencies]
 lightning = { path = "../lightning", features = ["regex", "hashbrown", "_test_utils"] }
 lightning-rapid-gossip-sync = { path = "../lightning-rapid-gossip-sync" }
-bitcoin = { version = "0.29.0", features = ["secp-lowmemory"] }
-hex = "0.3"
+bitcoin = { version = "0.30.2", features = ["secp-lowmemory"] }
+hex = { package = "hex-conservative", version = "0.1.1", default-features = false }
 hashbrown = "0.8"
 
 afl = { version = "0.12", optional = true }

fuzz/src/chanmon_consistency.rs

@@ -20,9 +20,9 @@
 
 use bitcoin::blockdata::constants::genesis_block;
 use bitcoin::blockdata::transaction::{Transaction, TxOut};
-use bitcoin::blockdata::script::{Builder, Script};
+use bitcoin::blockdata::script::{Builder, ScriptBuf};
 use bitcoin::blockdata::opcodes;
-use bitcoin::blockdata::locktime::PackedLockTime;
+use bitcoin::blockdata::locktime::absolute::LockTime;
 use bitcoin::network::constants::Network;
 
 use bitcoin::hashes::Hash as TraitImport;
@@ -270,11 +270,11 @@ impl SignerProvider for KeyProvider {
 		})
 	}
 
-	fn get_destination_script(&self) -> Result<Script, ()> {
+	fn get_destination_script(&self) -> Result<ScriptBuf, ()> {
 		let secp_ctx = Secp256k1::signing_only();
 		let channel_monitor_claim_key = SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, self.node_secret[31]]).unwrap();
 		let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
-		Ok(Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script())
+		Ok(Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(our_channel_monitor_claim_key_hash).into_script())
 	}
 
 	fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> {
@@ -343,7 +343,7 @@ type ChanMan<'a> = ChannelManager<Arc<TestChainMonitor>, Arc<TestBroadcaster>, A
 fn get_payment_secret_hash(dest: &ChanMan, payment_id: &mut u8) -> Option<(PaymentSecret, PaymentHash)> {
 	let mut payment_hash;
 	for _ in 0..256 {
-		payment_hash = PaymentHash(Sha256::hash(&[*payment_id; 1]).into_inner());
+		payment_hash = PaymentHash(Sha256::hash(&[*payment_id; 1]).to_byte_array());
 		if let Ok(payment_secret) = dest.create_inbound_payment_for_hash(payment_hash, None, 3600, None) {
 			return Some((payment_secret, payment_hash));
 		}
@@ -565,7 +565,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out, anchors: bool) {
 				let events = $source.get_and_clear_pending_events();
 				assert_eq!(events.len(), 1);
 				if let events::Event::FundingGenerationReady { ref temporary_channel_id, ref channel_value_satoshis, ref output_script, .. } = events[0] {
-					let tx = Transaction { version: $chan_id, lock_time: PackedLockTime::ZERO, input: Vec::new(), output: vec![TxOut {
+					let tx = Transaction { version: $chan_id, lock_time: LockTime::ZERO, input: Vec::new(), output: vec![TxOut {
 						value: *channel_value_satoshis, script_pubkey: output_script.clone(),
 					}]};
 					funding_output = OutPoint { txid: tx.txid(), index: 0 };

fuzz/src/onion_message.rs

@@ -1,6 +1,6 @@
 // Imports that need to be added manually
 use bitcoin::bech32::u5;
-use bitcoin::blockdata::script::Script;
+use bitcoin::blockdata::script::ScriptBuf;
 use bitcoin::secp256k1::{PublicKey, Scalar, Secp256k1, SecretKey};
 use bitcoin::secp256k1::ecdh::SharedSecret;
 use bitcoin::secp256k1::ecdsa::RecoverableSignature;
@@ -199,13 +199,14 @@ impl SignerProvider for KeyProvider {
 
 	fn read_chan_signer(&self, _data: &[u8]) -> Result<TestChannelSigner, DecodeError> { unreachable!() }
 
-	fn get_destination_script(&self) -> Result<Script, ()> { unreachable!() }
+	fn get_destination_script(&self) -> Result<ScriptBuf, ()> { unreachable!() }
 
 	fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> { unreachable!() }
 }
 
 #[cfg(test)]
 mod tests {
+	use bitcoin::hashes::hex::FromHex;
 	use lightning::util::logger::{Logger, Record};
 	use std::collections::HashMap;
 	use std::sync::Mutex;
@@ -258,7 +259,7 @@ mod tests {
 			000000000000000000000000000000000000000005600000000000000000000000000000000000000000000\
 			000000000000000000";
 		let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
-		super::do_test(&::hex::decode(one_hop_om).unwrap(), &logger);
+		super::do_test(&<Vec<u8>>::from_hex(one_hop_om).unwrap(), &logger);
 		{
 			let log_entries = logger.lines.lock().unwrap();
 			assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(),
@@ -302,7 +303,7 @@ mod tests {
 			000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
 			000000000000000000";
 		let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
-		super::do_test(&::hex::decode(two_unblinded_hops_om).unwrap(), &logger);
+		super::do_test(&<Vec<u8>>::from_hex(two_unblinded_hops_om).unwrap(), &logger);
 		{
 			let log_entries = logger.lines.lock().unwrap();
 			assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));
@@ -343,7 +344,7 @@ mod tests {
 			000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
 			000000000000000000";
 		let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
-		super::do_test(&::hex::decode(two_unblinded_two_blinded_om).unwrap(), &logger);
+		super::do_test(&<Vec<u8>>::from_hex(two_unblinded_two_blinded_om).unwrap(), &logger);
 		{
 			let log_entries = logger.lines.lock().unwrap();
 			assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));
@@ -384,7 +385,7 @@ mod tests {
 			000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
 			000000000000000000";
 		let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
-		super::do_test(&::hex::decode(three_blinded_om).unwrap(), &logger);
+		super::do_test(&<Vec<u8>>::from_hex(three_blinded_om).unwrap(), &logger);
 		{
 			let log_entries = logger.lines.lock().unwrap();
 			assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));

lightning-background-processor/Cargo.toml

@@ -21,7 +21,7 @@ no-std = ["bitcoin/no-std", "lightning/no-std", "lightning-rapid-gossip-sync/no-
 default = ["std"]
 
 [dependencies]
-bitcoin = { version = "0.29.0", default-features = false }
+bitcoin = { version = "0.30.2", default-features = false }
 lightning = { version = "0.0.118", path = "../lightning", default-features = false }
 lightning-rapid-gossip-sync = { version = "0.0.118", path = "../lightning-rapid-gossip-sync", default-features = false }
 

lightning-background-processor/src/lib.rs

@@ -845,7 +845,7 @@ impl Drop for BackgroundProcessor {
 #[cfg(all(feature = "std", test))]
 mod tests {
 	use bitcoin::blockdata::constants::{genesis_block, ChainHash};
-	use bitcoin::blockdata::locktime::PackedLockTime;
+	use bitcoin::blockdata::locktime::absolute::LockTime;
 	use bitcoin::blockdata::transaction::{Transaction, TxOut};
 	use bitcoin::network::constants::Network;
 	use bitcoin::secp256k1::{SecretKey, PublicKey, Secp256k1};
@@ -1254,7 +1254,7 @@ mod tests {
 					assert_eq!(channel_value_satoshis, $channel_value);
 					assert_eq!(user_channel_id, 42);
 
-					let tx = Transaction { version: 1 as i32, lock_time: PackedLockTime(0), input: Vec::new(), output: vec![TxOut {
+					let tx = Transaction { version: 1 as i32, lock_time: LockTime::ZERO, input: Vec::new(), output: vec![TxOut {
 						value: channel_value_satoshis, script_pubkey: output_script.clone(),
 					}]};
 					(temporary_channel_id, tx)

lightning-block-sync/Cargo.toml

@@ -18,7 +18,8 @@ rest-client = [ "serde_json", "chunked_transfer" ]
 rpc-client = [ "serde_json", "chunked_transfer" ]
 
 [dependencies]
-bitcoin = "0.29.0"
+bitcoin = "0.30.2"
+hex = { package = "hex-conservative", version = "0.1.1", default-features = false }
 lightning = { version = "0.0.118", path = "../lightning" }
 tokio = { version = "1.0", features = [ "io-util", "net", "time" ], optional = true }
 serde_json = { version = "1.0", optional = true }

lightning-block-sync/src/convert.rs

@@ -1,8 +1,8 @@
 use crate::http::{BinaryResponse, JsonResponse};
-use crate::utils::hex_to_uint256;
+use crate::utils::hex_to_work;
 use crate::{BlockHeaderData, BlockSourceError};
 
-use bitcoin::blockdata::block::{Block, BlockHeader};
+use bitcoin::blockdata::block::{Block, Header};
 use bitcoin::consensus::encode;
 use bitcoin::hash_types::{BlockHash, TxMerkleNode, Txid};
 use bitcoin::hashes::hex::FromHex;
@@ -88,17 +88,21 @@ impl TryFrom<serde_json::Value> for BlockHeaderData {
 		} }
 
 		Ok(BlockHeaderData {
-			header: BlockHeader {
-				version: get_field!("version", as_i64).try_into().map_err(|_| ())?,
+			header: Header {
+				version: bitcoin::blockdata::block::Version::from_consensus(
+					get_field!("version", as_i64).try_into().map_err(|_| ())?
+				),
 				prev_blockhash: if let Some(hash_str) = response.get("previousblockhash") {
-						BlockHash::from_hex(hash_str.as_str().ok_or(())?).map_err(|_| ())?
+						BlockHash::from_str(hash_str.as_str().ok_or(())?).map_err(|_| ())?
 					} else { BlockHash::all_zeros() },
-				merkle_root: TxMerkleNode::from_hex(get_field!("merkleroot", as_str)).map_err(|_| ())?,
+				merkle_root: TxMerkleNode::from_str(get_field!("merkleroot", as_str)).map_err(|_| ())?,
 				time: get_field!("time", as_u64).try_into().map_err(|_| ())?,
-				bits: u32::from_be_bytes(<[u8; 4]>::from_hex(get_field!("bits", as_str)).map_err(|_| ())?),
+				bits: bitcoin::CompactTarget::from_consensus(
+					u32::from_be_bytes(<[u8; 4]>::from_hex(get_field!("bits", as_str)).map_err(|_| ())?)
+				),
 				nonce: get_field!("nonce", as_u64).try_into().map_err(|_| ())?,
 			},
-			chainwork: hex_to_uint256(get_field!("chainwork", as_str)).map_err(|_| ())?,
+			chainwork: hex_to_work(get_field!("chainwork", as_str)).map_err(|_| ())?,
 			height: get_field!("height", as_u64).try_into().map_err(|_| ())?,
 		})
 	}
@@ -132,7 +136,7 @@ impl TryInto<(BlockHash, Option<u32>)> for JsonResponse {
 		}
 
 		let hash = match &self.0["bestblockhash"] {
-			serde_json::Value::String(hex_data) => match BlockHash::from_hex(&hex_data) {
+			serde_json::Value::String(hex_data) => match BlockHash::from_str(&hex_data) {
 				Err(_) => return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, "invalid hex data")),
 				Ok(block_hash) => block_hash,
 			},
@@ -288,8 +292,8 @@ pub(crate) mod tests {
 	use super::*;
 	use bitcoin::blockdata::constants::genesis_block;
 	use bitcoin::hashes::Hash;
-	use bitcoin::hashes::hex::ToHex;
 	use bitcoin::network::constants::Network;
+	use hex::DisplayHex;
 	use serde_json::value::Number;
 	use serde_json::Value;
 
@@ -298,14 +302,14 @@ pub(crate) mod tests {
 		fn from(data: BlockHeaderData) -> Self {
 			let BlockHeaderData { chainwork, height, header } = data;
 			serde_json::json!({
-				"chainwork": chainwork.to_string()["0x".len()..],
+				"chainwork": chainwork.to_be_bytes().as_hex().to_string(),
 				"height": height,
-				"version": header.version,
-				"merkleroot": header.merkle_root.to_hex(),
+				"version": header.version.to_consensus(),
+				"merkleroot": header.merkle_root.to_string(),
 				"time": header.time,
 				"nonce": header.nonce,
-				"bits": header.bits.to_hex(),
-				"previousblockhash": header.prev_blockhash.to_hex(),
+				"bits": header.bits.to_consensus().to_be_bytes().as_hex().to_string(),
+				"previousblockhash": header.prev_blockhash.to_string(),
 			})
 		}
 	}
@@ -394,7 +398,7 @@ pub(crate) mod tests {
 	#[test]
 	fn into_block_header_from_json_response_with_valid_header_array() {
 		let genesis_block = genesis_block(Network::Bitcoin);
-		let best_block_header = BlockHeader {
+		let best_block_header = Header {
 			prev_blockhash: genesis_block.block_hash(),
 			..genesis_block.header
 		};
@@ -541,7 +545,7 @@ pub(crate) mod tests {
 	fn into_block_hash_from_json_response_without_height() {
 		let block = genesis_block(Network::Bitcoin);
 		let response = JsonResponse(serde_json::json!({
-			"bestblockhash": block.block_hash().to_hex(),
+			"bestblockhash": block.block_hash().to_string(),
 		}));
 		match TryInto::<(BlockHash, Option<u32>)>::try_into(response) {
 			Err(e) => panic!("Unexpected error: {:?}", e),
@@ -556,7 +560,7 @@ pub(crate) mod tests {
 	fn into_block_hash_from_json_response_with_unexpected_blocks_type() {
 		let block = genesis_block(Network::Bitcoin);
 		let response = JsonResponse(serde_json::json!({
-			"bestblockhash": block.block_hash().to_hex(),
+			"bestblockhash": block.block_hash().to_string(),
 			"blocks": "foo",
 		}));
 		match TryInto::<(BlockHash, Option<u32>)>::try_into(response) {
@@ -572,7 +576,7 @@ pub(crate) mod tests {
 	fn into_block_hash_from_json_response_with_invalid_height() {
 		let block = genesis_block(Network::Bitcoin);
 		let response = JsonResponse(serde_json::json!({
-			"bestblockhash": block.block_hash().to_hex(),
+			"bestblockhash": block.block_hash().to_string(),
 			"blocks": std::u64::MAX,
 		}));
 		match TryInto::<(BlockHash, Option<u32>)>::try_into(response) {
@@ -588,7 +592,7 @@ pub(crate) mod tests {
 	fn into_block_hash_from_json_response_with_height() {
 		let block = genesis_block(Network::Bitcoin);
 		let response = JsonResponse(serde_json::json!({
-			"bestblockhash": block.block_hash().to_hex(),
+			"bestblockhash": block.block_hash().to_string(),
 			"blocks": 1,
 		}));
 		match TryInto::<(BlockHash, Option<u32>)>::try_into(response) {

lightning-block-sync/src/init.rs

@@ -4,7 +4,7 @@
 use crate::{BlockSource, BlockSourceResult, Cache, ChainNotifier};
 use crate::poll::{ChainPoller, Validate, ValidatedBlockHeader};
 
-use bitcoin::blockdata::block::BlockHeader;
+use bitcoin::blockdata::block::Header;
 use bitcoin::hash_types::BlockHash;
 use bitcoin::network::constants::Network;
 
@@ -211,11 +211,11 @@ impl<'a, C: Cache> Cache for ReadOnlyCache<'a, C> {
 struct DynamicChainListener<'a, L: chain::Listen + ?Sized>(&'a L);
 
 impl<'a, L: chain::Listen + ?Sized> chain::Listen for DynamicChainListener<'a, L> {
-	fn filtered_block_connected(&self, _header: &BlockHeader, _txdata: &chain::transaction::TransactionData, _height: u32) {
+	fn filtered_block_connected(&self, _header: &Header, _txdata: &chain::transaction::TransactionData, _height: u32) {
 		unreachable!()
 	}
 
-	fn block_disconnected(&self, header: &BlockHeader, height: u32) {
+	fn block_disconnected(&self, header: &Header, height: u32) {
 		self.0.block_disconnected(header, height)
 	}
 }
@@ -234,15 +234,15 @@ impl<'a, L: chain::Listen + ?Sized> chain::Listen for ChainListenerSet<'a, L> {
 		}
 	}
 
-	fn filtered_block_connected(&self, header: &BlockHeader, txdata: &chain::transaction::TransactionData, height: u32) {
+	fn filtered_block_connected(&self, header: &Header, txdata: &chain::transaction::TransactionData, height: u32) {
 		for (starting_height, chain_listener) in self.0.iter() {
 			if height > *starting_height {
 				chain_listener.filtered_block_connected(header, txdata, height);
 			}
 		}
 	}
 
-	fn block_disconnected(&self, _header: &BlockHeader, _height: u32) {
+	fn block_disconnected(&self, _header: &Header, _height: u32) {
 		unreachable!()
 	}
 }

lightning-block-sync/src/lib.rs

@@ -47,9 +47,9 @@ mod utils;
 
 use crate::poll::{ChainTip, Poll, ValidatedBlockHeader};
 
-use bitcoin::blockdata::block::{Block, BlockHeader};
+use bitcoin::blockdata::block::{Block, Header};
 use bitcoin::hash_types::BlockHash;
-use bitcoin::util::uint::Uint256;
+use bitcoin::pow::Work;
 
 use lightning::chain;
 use lightning::chain::Listen;
@@ -147,14 +147,13 @@ impl BlockSourceError {
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub struct BlockHeaderData {
 	/// The block header itself.
-	pub header: BlockHeader,
+	pub header: Header,
 
 	/// The block height where the genesis block has height 0.
 	pub height: u32,
 
-	/// The total chain work in expected number of double-SHA256 hashes required to build a chain
-	/// of equivalent weight.
-	pub chainwork: Uint256,
+	/// The total chain work required to build a chain of equivalent weight.
+	pub chainwork: Work,
 }
 
 /// A block including either all its transactions or only the block header.
@@ -166,7 +165,7 @@ pub enum BlockData {
 	/// A block containing all its transactions.
 	FullBlock(Block),
 	/// A block header for when the block does not contain any pertinent transactions.
-	HeaderOnly(BlockHeader),
+	HeaderOnly(Header),
 }
 
 /// A lightweight client for keeping a listener in sync with the chain, allowing for Simplified