Implement pruneblock method and test

Author: GideonBature

client/src/client_sync/v17/blockchain.rs

@@ -289,6 +289,19 @@ macro_rules! impl_client_v17__preciousblock {
     };
 }
 
+/// Implements Bitcoin Core JSON-RPC API method `pruneblockchain`
+#[macro_export]
+macro_rules! impl_client_v17__pruneblockchain {
+    () => {
+        impl Client {
+            /// Instructs the node to prune the blockchain up to a specified height or timestamp.
+            pub fn prune_blockchain(&self, target: u64) -> Result<PruneBlockchain> {
+                self.call("pruneblockchain", &[target.into()])
+            }
+        }
+    };
+}
+
 /// Implements Bitcoin Core JSON-RPC API method `verifytxoutproof`
 #[macro_export]
 macro_rules! impl_client_v17__verifytxoutproof {

client/src/client_sync/v17/mod.rs

@@ -48,6 +48,7 @@ crate::impl_client_v17__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

client/src/client_sync/v18/mod.rs

@@ -41,6 +41,7 @@ crate::impl_client_v17__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

client/src/client_sync/v19/mod.rs

@@ -43,6 +43,7 @@ crate::impl_client_v17__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

client/src/client_sync/v20.rs

@@ -40,6 +40,7 @@ crate::impl_client_v17__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

client/src/client_sync/v21/mod.rs

@@ -42,6 +42,7 @@ crate::impl_client_v17__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

client/src/client_sync/v22/mod.rs

@@ -43,6 +43,7 @@ crate::impl_client_v22__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

client/src/client_sync/v23/mod.rs

@@ -43,6 +43,7 @@ crate::impl_client_v22__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

client/src/client_sync/v24.rs

@@ -40,6 +40,7 @@ crate::impl_client_v22__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

client/src/client_sync/v25.rs

@@ -40,6 +40,7 @@ crate::impl_client_v22__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

client/src/client_sync/v26/mod.rs

@@ -43,6 +43,7 @@ crate::impl_client_v22__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v26__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

client/src/client_sync/v27.rs

@@ -40,6 +40,7 @@ crate::impl_client_v22__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v26__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

client/src/client_sync/v28/mod.rs

@@ -42,6 +42,7 @@ crate::impl_client_v22__gettxout!();
 crate::impl_client_v17__gettxoutproof!();
 crate::impl_client_v26__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
+crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==

integration_test/tests/blockchain.rs

@@ -6,8 +6,8 @@
 
 use integration_test::{Node, NodeExt as _, Wallet};
 use node::client::client_sync;
-use node::vtype::*;             // All the version specific types.
 use node::mtype;
+use node::vtype::*; // All the version specific types.
 
 #[test]
 fn blockchain__get_best_block_hash__modelled() {
@@ -27,7 +27,8 @@ fn blockchain__get_block__modelled() {
     let model: Result<mtype::GetBlockVerboseZero, _> = json.into_model();
     model.expect("GetBlock into model");
 
-    let json: GetBlockVerboseOne = node.client.get_block_verbose_one(block_hash).expect("getblock verbose=1");
+    let json: GetBlockVerboseOne =
+        node.client.get_block_verbose_one(block_hash).expect("getblock verbose=1");
     let model: Result<mtype::GetBlockVerboseOne, GetBlockVerboseOneError> = json.into_model();
     model.expect("GetBlockVerbose into model");
 
@@ -86,7 +87,8 @@ fn blockchain__get_block_header__modelled() {
     model.unwrap();
 
     // verbose = true
-    let json:GetBlockHeaderVerbose = node.client.get_block_header_verbose(&block_hash).expect("getblockheader");
+    let json: GetBlockHeaderVerbose =
+        node.client.get_block_header_verbose(&block_hash).expect("getblockheader");
     let model: Result<mtype::GetBlockHeaderVerbose, GetBlockHeaderVerboseError> = json.into_model();
     model.unwrap();
 }
@@ -290,3 +292,25 @@ fn verify_tx_out_proof(node: &Node) -> Result<(), client_sync::Error> {
 
     Ok(())
 }
+
+#[test]
+fn blockchain__prune_blockchain() {
+    const NBLOCKS: usize = 1;
+
+    let node = Node::with_wallet(Wallet::Default, &["-prune=550"]);
+    let address = node.client.new_address().expect("Failed to get new address");
+
+    let gen_result = node
+        .client
+        .generate_to_address(NBLOCKS, &address)
+        .expect("generate_to_address RPC call failed");
+    assert_eq!(
+        gen_result.0.len(),
+        NBLOCKS,
+        "generate_to_address did not return the expected number of block hashes"
+    );
+
+    let target_height: u64 = 500;
+
+    let _: Result<PruneBlockchain, _> = node.client.prune_blockchain(target_height);
+}

integration_test/tests/control.rs

@@ -5,7 +5,7 @@
 #![allow(non_snake_case)] // Test names intentionally use double underscore.
 
 use integration_test::{Node, NodeExt as _, Wallet};
-use node::vtype::*;             // All the version specific types.
+use node::vtype::*; // All the version specific types.
 
 #[test]
 fn control__get_memory_info() {

integration_test/tests/generating.rs

@@ -5,8 +5,8 @@
 #![allow(non_snake_case)] // Test names intentionally use double underscore.
 
 use integration_test::{Node, NodeExt as _, Wallet};
-use node::vtype::*;             // All the version specific types.
 use node::mtype;
+use node::vtype::*; // All the version specific types.
 
 #[test]
 // The `generate` method was deprecated in Core v18 and was removed in v19.
@@ -28,9 +28,10 @@ fn generating__generate_to_address__modelled() {
     let node = Node::with_wallet(Wallet::Default, &[]);
     let address = node.client.new_address().expect("failed to get new address");
 
-    let json: GenerateToAddress = node.client.generate_to_address(NBLOCKS, &address).expect("generatetoaddress");
+    let json: GenerateToAddress =
+        node.client.generate_to_address(NBLOCKS, &address).expect("generatetoaddress");
 
-    let model: Result<mtype::GenerateToAddress, _>  = json.into_model();
+    let model: Result<mtype::GenerateToAddress, _> = json.into_model();
     let _ = model.unwrap();
 }
 

integration_test/tests/mining.rs

@@ -7,8 +7,8 @@
 use bitcoin::SignedAmount;
 use integration_test::{Node, NodeExt as _, Wallet};
 use node::client::client_sync::{TemplateRequest, TemplateRules};
-use node::vtype::*;             // All the version specific types.
 use node::mtype;
+use node::vtype::*; // All the version specific types.
 
 #[test]
 fn mining__get_block_template__modelled() {
@@ -72,7 +72,7 @@ fn mining__prioritise_transaction() {
 }
 
 #[test]
-#[cfg(feature = "TODO")]        // This test is flaky - no clue why.
+#[cfg(feature = "TODO")] // This test is flaky - no clue why.
 fn mining__submit_block() {
     // Requires connected nodes otherwise the RPC call errors.
     let (node1, node2, node3) = integration_test::three_node_network();
@@ -96,8 +96,8 @@ fn mining__submit_block() {
 fn submit_empty_block(node: &Node, bt: &mtype::GetBlockTemplate) {
     use bitcoin::hashes::Hash as _;
     use bitcoin::{
-        absolute, block, transaction, Amount, Block, OutPoint, ScriptBuf, Sequence,
-        Transaction, TxIn, TxOut, Witness, ScriptHash, TxMerkleNode,
+        absolute, block, transaction, Amount, Block, OutPoint, ScriptBuf, ScriptHash, Sequence,
+        Transaction, TxIn, TxMerkleNode, TxOut, Witness,
     };
 
     let txdata = vec![Transaction {
@@ -124,7 +124,10 @@ fn submit_empty_block(node: &Node, bt: &mtype::GetBlockTemplate) {
             version: block::Version::default(),
             prev_blockhash: bt.previous_block_hash,
             merkle_root: TxMerkleNode::all_zeros(),
-            time: Ord::max(bt.min_time, std::time::UNIX_EPOCH.elapsed().expect("elapsed").as_secs() as u32) as u32,
+            time: Ord::max(
+                bt.min_time,
+                std::time::UNIX_EPOCH.elapsed().expect("elapsed").as_secs() as u32,
+            ) as u32,
             bits: bt.bits,
             nonce: 0,
         },
@@ -148,8 +151,8 @@ fn submit_empty_block(node: &Node, bt: &mtype::GetBlockTemplate) {
 fn mining__submit_block_with_dummy_coinbase(node: &Node, bt: &mtype::GetBlockTemplate) {
     use bitcoin::hashes::Hash as _;
     use bitcoin::{
-        absolute, block, transaction, Amount, Block, OutPoint, ScriptBuf, Sequence,
-        Transaction, TxIn, TxOut, Witness, TxMerkleNode,
+        absolute, block, transaction, Amount, Block, OutPoint, ScriptBuf, Sequence, Transaction,
+        TxIn, TxMerkleNode, TxOut, Witness,
     };
 
     let address = node.client.new_address().expect("failed to get new address");

integration_test/tests/network.rs

@@ -5,8 +5,8 @@
 #![allow(non_snake_case)] // Test names intentionally use double underscore.
 
 use integration_test::{Node, NodeExt as _, Wallet};
-use node::vtype::*;             // All the version specific types.
 use node::mtype;
+use node::vtype::*; // All the version specific types.
 
 #[test]
 fn network__get_added_node_info() {