diff --git a/client/src/client_sync/v17/blockchain.rs b/client/src/client_sync/v17/blockchain.rs
index f5cff7b65..0a5a2c7d9 100644
--- a/client/src/client_sync/v17/blockchain.rs
+++ b/client/src/client_sync/v17/blockchain.rs
@@ -318,6 +318,16 @@ macro_rules! impl_client_v17__savemempool {
     };
 }
 
+/// Implements Bitcoin Core JSON-RPC API method `verifychain`
+#[macro_export]
+macro_rules! impl_client_v17__verifychain {
+    () => {
+        impl Client {
+            pub fn verify_chain(&self) -> Result<VerifyChain> { self.call("verifychain", &[]) }
+        }
+    };
+}
+
 /// Implements Bitcoin Core JSON-RPC API method `verifytxoutproof`
 #[macro_export]
 macro_rules! impl_client_v17__verifytxoutproof {
diff --git a/client/src/client_sync/v17/mod.rs b/client/src/client_sync/v17/mod.rs
index 1fd8d5d6b..90ebf68cf 100644
--- a/client/src/client_sync/v17/mod.rs
+++ b/client/src/client_sync/v17/mod.rs
@@ -50,6 +50,7 @@ crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/client/src/client_sync/v18/mod.rs b/client/src/client_sync/v18/mod.rs
index f52c9b390..b1dfddada 100644
--- a/client/src/client_sync/v18/mod.rs
+++ b/client/src/client_sync/v18/mod.rs
@@ -44,6 +44,7 @@ crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/client/src/client_sync/v19/mod.rs b/client/src/client_sync/v19/mod.rs
index d2a1cfb19..a127a1429 100644
--- a/client/src/client_sync/v19/mod.rs
+++ b/client/src/client_sync/v19/mod.rs
@@ -45,6 +45,7 @@ crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/client/src/client_sync/v20.rs b/client/src/client_sync/v20.rs
index 4fe9375f9..9aa8fb98d 100644
--- a/client/src/client_sync/v20.rs
+++ b/client/src/client_sync/v20.rs
@@ -42,6 +42,7 @@ crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/client/src/client_sync/v21/mod.rs b/client/src/client_sync/v21/mod.rs
index f30784e73..6a0e1856b 100644
--- a/client/src/client_sync/v21/mod.rs
+++ b/client/src/client_sync/v21/mod.rs
@@ -44,6 +44,7 @@ crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/client/src/client_sync/v22/mod.rs b/client/src/client_sync/v22/mod.rs
index 5243d0d61..0f5ebc69e 100644
--- a/client/src/client_sync/v22/mod.rs
+++ b/client/src/client_sync/v22/mod.rs
@@ -45,6 +45,7 @@ crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v17__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/client/src/client_sync/v23/mod.rs b/client/src/client_sync/v23/mod.rs
index 760f5faaa..664e28500 100644
--- a/client/src/client_sync/v23/mod.rs
+++ b/client/src/client_sync/v23/mod.rs
@@ -46,6 +46,7 @@ crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v23__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/client/src/client_sync/v24.rs b/client/src/client_sync/v24.rs
index b91964e84..3ba9a1ddb 100644
--- a/client/src/client_sync/v24.rs
+++ b/client/src/client_sync/v24.rs
@@ -42,6 +42,7 @@ crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v23__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/client/src/client_sync/v25.rs b/client/src/client_sync/v25.rs
index e1b972c70..9c65e9ea5 100644
--- a/client/src/client_sync/v25.rs
+++ b/client/src/client_sync/v25.rs
@@ -42,6 +42,7 @@ crate::impl_client_v17__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v23__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/client/src/client_sync/v26/mod.rs b/client/src/client_sync/v26/mod.rs
index eaf2d5c89..59f25fb06 100644
--- a/client/src/client_sync/v26/mod.rs
+++ b/client/src/client_sync/v26/mod.rs
@@ -46,6 +46,7 @@ crate::impl_client_v26__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v23__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/client/src/client_sync/v27.rs b/client/src/client_sync/v27.rs
index 75339c42d..7508b648f 100644
--- a/client/src/client_sync/v27.rs
+++ b/client/src/client_sync/v27.rs
@@ -42,6 +42,7 @@ crate::impl_client_v26__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v23__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/client/src/client_sync/v28/mod.rs b/client/src/client_sync/v28/mod.rs
index 132e9f663..19f0cdb1f 100644
--- a/client/src/client_sync/v28/mod.rs
+++ b/client/src/client_sync/v28/mod.rs
@@ -44,6 +44,7 @@ crate::impl_client_v26__gettxoutsetinfo!();
 crate::impl_client_v17__preciousblock!();
 crate::impl_client_v17__pruneblockchain!();
 crate::impl_client_v23__savemempool!();
+crate::impl_client_v17__verifychain!();
 crate::impl_client_v17__verifytxoutproof!();
 
 // == Control ==
diff --git a/integration_test/tests/blockchain.rs b/integration_test/tests/blockchain.rs
index 7d4a0100b..15ae0f6fd 100644
--- a/integration_test/tests/blockchain.rs
+++ b/integration_test/tests/blockchain.rs
@@ -321,6 +321,13 @@ fn blockchain__get_tx_out_proof__modelled() {
     verify_tx_out_proof(&node).unwrap();
 }
 
+#[test]
+fn blockchain__verify_chain() {
+    let node = Node::with_wallet(Wallet::None, &[]);
+
+    let _: Result<VerifyChain, _> = node.client.verify_chain();
+}
+
 fn verify_tx_out_proof(node: &Node) -> Result<(), client_sync::Error> {
     let (_address, tx) = node.create_mined_transaction();
     let txid = tx.compute_txid();
diff --git a/types/src/v17/blockchain/mod.rs b/types/src/v17/blockchain/mod.rs
index 7ac03f657..6982827ea 100644
--- a/types/src/v17/blockchain/mod.rs
+++ b/types/src/v17/blockchain/mod.rs
@@ -650,6 +650,10 @@ pub struct PruneBlockchain(
     pub i64,
 );
 
+/// Result of JSON-RPC method `verifychain`.
+#[derive(Clone, Debug, PartialEq, Deserialize, Serialize)]
+pub struct VerifyChain(pub bool);
+
 /// Result of JSON-RPC method `verifytxoutproof`.
 ///
 /// > verifytxoutproof "proof"
diff --git a/types/src/v17/mod.rs b/types/src/v17/mod.rs
index 4fcd6435a..e21fd73aa 100644
--- a/types/src/v17/mod.rs
+++ b/types/src/v17/mod.rs
@@ -244,7 +244,7 @@ pub use self::{
         GetRawMempool, GetRawMempoolVerbose, GetTxOut, GetTxOutError, GetTxOutSetInfo,
         GetTxOutSetInfoError, MapMempoolEntryError, MempoolEntry, MempoolEntryError,
         MempoolEntryFees, MempoolEntryFeesError, PruneBlockchain, Softfork, SoftforkReject,
-        VerifyTxOutProof,
+        VerifyChain, VerifyTxOutProof,
     },
     control::{GetMemoryInfoStats, Locked, Logging},
     generating::{Generate, GenerateToAddress},
diff --git a/types/src/v18/mod.rs b/types/src/v18/mod.rs
index 84f041303..d6d7c5736 100644
--- a/types/src/v18/mod.rs
+++ b/types/src/v18/mod.rs
@@ -267,6 +267,6 @@ pub use crate::v17::{
     RawTransaction, RawTransactionError, RawTransactionInput, RawTransactionOutput,
     RescanBlockchain, SendMany, SendRawTransaction, SendToAddress, SignFail, SignFailError,
     SignMessage, SignRawTransaction, SignRawTransactionError, Softfork, SoftforkReject,
-    TestMempoolAccept, TransactionCategory, UploadTarget, VerifyTxOutProof, WalletCreateFundedPsbt,
-    WalletCreateFundedPsbtError, WalletProcessPsbt, WitnessUtxo,
+    TestMempoolAccept, TransactionCategory, UploadTarget, VerifyChain, VerifyTxOutProof,
+    WalletCreateFundedPsbt, WalletCreateFundedPsbtError, WalletProcessPsbt, WitnessUtxo,
 };
diff --git a/types/src/v19/mod.rs b/types/src/v19/mod.rs
index e22b8ce4f..03f32e90a 100644
--- a/types/src/v19/mod.rs
+++ b/types/src/v19/mod.rs
@@ -268,8 +268,8 @@ pub use crate::v17::{
     PruneBlockchain, RawTransactionError, RawTransactionInput, RawTransactionOutput,
     RescanBlockchain, SendMany, SendRawTransaction, SendToAddress, SignMessage, SignRawTransaction,
     SignRawTransactionError, SoftforkReject, TestMempoolAccept, TransactionCategory, UploadTarget,
-    VerifyTxOutProof, WalletCreateFundedPsbt, WalletCreateFundedPsbtError, WalletProcessPsbt,
-    WitnessUtxo,
+    VerifyChain, VerifyTxOutProof, WalletCreateFundedPsbt, WalletCreateFundedPsbtError,
+    WalletProcessPsbt, WitnessUtxo,
 };
 #[doc(inline)]
 pub use crate::v18::{
diff --git a/types/src/v20/mod.rs b/types/src/v20/mod.rs
index 2330f5135..1533102c8 100644
--- a/types/src/v20/mod.rs
+++ b/types/src/v20/mod.rs
@@ -261,8 +261,8 @@ pub use crate::{
         RawTransactionError, RawTransactionInput, RawTransactionOutput, RescanBlockchain, SendMany,
         SendRawTransaction, SendToAddress, SignMessage, SignRawTransaction,
         SignRawTransactionError, SoftforkReject, TestMempoolAccept, TransactionCategory,
-        UploadTarget, VerifyTxOutProof, WalletCreateFundedPsbt, WalletCreateFundedPsbtError,
-        WalletProcessPsbt, WitnessUtxo,
+        UploadTarget, VerifyChain, VerifyTxOutProof, WalletCreateFundedPsbt,
+        WalletCreateFundedPsbtError, WalletProcessPsbt, WitnessUtxo,
     },
     v18::{
         ActiveCommand, AnalyzePsbt, AnalyzePsbtError, AnalyzePsbtInput, AnalyzePsbtInputMissing,
diff --git a/types/src/v21/mod.rs b/types/src/v21/mod.rs
index 9ab7f999f..0476cbf41 100644
--- a/types/src/v21/mod.rs
+++ b/types/src/v21/mod.rs
@@ -267,8 +267,8 @@ pub use crate::{
         RawTransactionError, RawTransactionInput, RawTransactionOutput, RescanBlockchain, SendMany,
         SendRawTransaction, SendToAddress, SignMessage, SignRawTransaction,
         SignRawTransactionError, SoftforkReject, TestMempoolAccept, TransactionCategory,
-        UploadTarget, VerifyTxOutProof, WalletCreateFundedPsbt, WalletCreateFundedPsbtError,
-        WalletProcessPsbt, WitnessUtxo,
+        UploadTarget, VerifyChain, VerifyTxOutProof, WalletCreateFundedPsbt,
+        WalletCreateFundedPsbtError, WalletProcessPsbt, WitnessUtxo,
     },
     v18::{
         ActiveCommand, AnalyzePsbt, AnalyzePsbtError, AnalyzePsbtInput, AnalyzePsbtInputMissing,
diff --git a/types/src/v22/mod.rs b/types/src/v22/mod.rs
index a475abe5c..f35c96d73 100644
--- a/types/src/v22/mod.rs
+++ b/types/src/v22/mod.rs
@@ -281,7 +281,7 @@ pub use crate::{
         LoadWallet, Locked, PeerInfo, PruneBlockchain, RawTransactionError, RawTransactionInput,
         RawTransactionOutput, RescanBlockchain, SendMany, SendRawTransaction, SendToAddress,
         SignMessage, SignRawTransaction, SignRawTransactionError, SoftforkReject,
-        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyTxOutProof,
+        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyChain, VerifyTxOutProof,
         WalletCreateFundedPsbt, WalletCreateFundedPsbtError, WalletProcessPsbt, WitnessUtxo,
     },
     v18::{
diff --git a/types/src/v23/mod.rs b/types/src/v23/mod.rs
index 59c497e96..1a0dc9524 100644
--- a/types/src/v23/mod.rs
+++ b/types/src/v23/mod.rs
@@ -276,7 +276,7 @@ pub use crate::{
         LoadWallet, Locked, PeerInfo, PruneBlockchain, RawTransactionError, RawTransactionInput,
         RawTransactionOutput, RescanBlockchain, SendMany, SendRawTransaction, SendToAddress,
         SignMessage, SignRawTransaction, SignRawTransactionError, SoftforkReject,
-        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyTxOutProof,
+        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyChain, VerifyTxOutProof,
         WalletCreateFundedPsbt, WalletCreateFundedPsbtError, WalletProcessPsbt, WitnessUtxo,
     },
     v18::{
diff --git a/types/src/v24/mod.rs b/types/src/v24/mod.rs
index 41b51ad47..e76d8af39 100644
--- a/types/src/v24/mod.rs
+++ b/types/src/v24/mod.rs
@@ -277,7 +277,7 @@ pub use crate::{
         LoadWallet, Locked, PeerInfo, PruneBlockchain, RawTransactionError, RawTransactionInput,
         RawTransactionOutput, RescanBlockchain, SendMany, SendRawTransaction, SendToAddress,
         SignMessage, SignRawTransaction, SignRawTransactionError, SoftforkReject,
-        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyTxOutProof,
+        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyChain, VerifyTxOutProof,
         WalletCreateFundedPsbt, WalletCreateFundedPsbtError, WalletProcessPsbt, WitnessUtxo,
     },
     v18::{
diff --git a/types/src/v25/mod.rs b/types/src/v25/mod.rs
index f5b37edc9..883c75899 100644
--- a/types/src/v25/mod.rs
+++ b/types/src/v25/mod.rs
@@ -274,7 +274,7 @@ pub use crate::{
         Locked, PeerInfo, PruneBlockchain, RawTransactionError, RawTransactionInput,
         RawTransactionOutput, RescanBlockchain, SendMany, SendRawTransaction, SendToAddress,
         SignMessage, SignRawTransaction, SignRawTransactionError, SoftforkReject,
-        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyTxOutProof,
+        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyChain, VerifyTxOutProof,
         WalletCreateFundedPsbt, WalletCreateFundedPsbtError, WalletProcessPsbt, WitnessUtxo,
     },
     v18::{
diff --git a/types/src/v26/mod.rs b/types/src/v26/mod.rs
index 50e8eac57..4f776e634 100644
--- a/types/src/v26/mod.rs
+++ b/types/src/v26/mod.rs
@@ -294,7 +294,7 @@ pub use crate::{
         Locked, PeerInfo, PruneBlockchain, RawTransactionError, RawTransactionInput,
         RawTransactionOutput, RescanBlockchain, SendMany, SendRawTransaction, SendToAddress,
         SignMessage, SignRawTransaction, SignRawTransactionError, SoftforkReject,
-        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyTxOutProof,
+        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyChain, VerifyTxOutProof,
         WalletCreateFundedPsbt, WalletCreateFundedPsbtError, WalletProcessPsbt, WitnessUtxo,
     },
     v18::{
diff --git a/types/src/v27/mod.rs b/types/src/v27/mod.rs
index 05f09815f..64b2b40cf 100644
--- a/types/src/v27/mod.rs
+++ b/types/src/v27/mod.rs
@@ -278,7 +278,7 @@ pub use crate::{
         Locked, PeerInfo, PruneBlockchain, RawTransactionError, RawTransactionInput,
         RawTransactionOutput, RescanBlockchain, SendMany, SendRawTransaction, SendToAddress,
         SignMessage, SignRawTransaction, SignRawTransactionError, SoftforkReject,
-        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyTxOutProof,
+        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyChain, VerifyTxOutProof,
         WalletCreateFundedPsbt, WalletCreateFundedPsbtError, WalletProcessPsbt, WitnessUtxo,
     },
     v18::{
diff --git a/types/src/v28/mod.rs b/types/src/v28/mod.rs
index e03707f12..5cac901aa 100644
--- a/types/src/v28/mod.rs
+++ b/types/src/v28/mod.rs
@@ -285,7 +285,7 @@ pub use crate::{
         Locked, PeerInfo, PruneBlockchain, RawTransactionError, RawTransactionInput,
         RawTransactionOutput, RescanBlockchain, SendMany, SendRawTransaction, SendToAddress,
         SignMessage, SignRawTransaction, SignRawTransactionError, SoftforkReject,
-        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyTxOutProof,
+        TestMempoolAccept, TransactionCategory, UploadTarget, VerifyChain, VerifyTxOutProof,
         WalletCreateFundedPsbt, WalletCreateFundedPsbtError, WalletProcessPsbt, WitnessUtxo,
     },
     v18::{
diff --git a/verify/src/method/v17.rs b/verify/src/method/v17.rs
index f753fa5f4..7466db65d 100644
--- a/verify/src/method/v17.rs
+++ b/verify/src/method/v17.rs
@@ -33,7 +33,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("pruneblockchain", "PruneBlockchain", "prune_blockchain"),
     Method::new_nothing("savemempool", "save_mempool"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     // control
     Method::new_no_model("getmemoryinfo", "GetMemoryInfoStats", "get_memory_info"),
diff --git a/verify/src/method/v18.rs b/verify/src/method/v18.rs
index a90c7751f..ed2b0c07e 100644
--- a/verify/src/method/v18.rs
+++ b/verify/src/method/v18.rs
@@ -33,7 +33,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("pruneblockchain", "PruneBlockchain", "prune_blockchain"),
     Method::new_nothing("savemempool", "save_mempool"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     // control
     Method::new_no_model("getmemoryinfo", "GetMemoryInfoStats", "get_memory_info"),
diff --git a/verify/src/method/v19.rs b/verify/src/method/v19.rs
index 7b609cfc5..31d5ead96 100644
--- a/verify/src/method/v19.rs
+++ b/verify/src/method/v19.rs
@@ -34,7 +34,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("pruneblockchain", "PruneBlockchain", "prune_blockchain"),
     Method::new_nothing("savemempool", "save_mempool"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     Method::new_no_model("getrpcinfo", "GetRpcInfo", "get_rpc_info"),
     // control
diff --git a/verify/src/method/v20.rs b/verify/src/method/v20.rs
index 14d77eac0..68f677708 100644
--- a/verify/src/method/v20.rs
+++ b/verify/src/method/v20.rs
@@ -34,7 +34,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("pruneblockchain", "PruneBlockchain", "prune_blockchain"),
     Method::new_nothing("savemempool", "save_mempool"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     Method::new_no_model("getrpcinfo", "GetRpcInfo", "get_rpc_info"),
     // control
diff --git a/verify/src/method/v21.rs b/verify/src/method/v21.rs
index fc1eedb68..24528fe8d 100644
--- a/verify/src/method/v21.rs
+++ b/verify/src/method/v21.rs
@@ -34,7 +34,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("pruneblockchain", "PruneBlockchain", "prune_blockchain"),
     Method::new_nothing("savemempool", "save_mempool"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     // control
     Method::new_no_model("getmemoryinfo", "GetMemoryInfoStats", "get_memory_info"),
diff --git a/verify/src/method/v22.rs b/verify/src/method/v22.rs
index ca3071374..9ba8999d6 100644
--- a/verify/src/method/v22.rs
+++ b/verify/src/method/v22.rs
@@ -34,7 +34,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("pruneblockchain", "PruneBlockchain", "prune_blockchain"),
     Method::new_nothing("savemempool", "save_mempool"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     // control
     Method::new_no_model("getmemoryinfo", "GetMemoryInfoStats", "get_memory_info"),
diff --git a/verify/src/method/v23.rs b/verify/src/method/v23.rs
index 2bce91f65..4f9b23a38 100644
--- a/verify/src/method/v23.rs
+++ b/verify/src/method/v23.rs
@@ -36,7 +36,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("pruneblockchain", "PruneBlockchain", "prune_blockchain"),
     Method::new_no_model("savemempool", "SaveMempool", "save_mempool"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     // control
     Method::new_no_model("getmemoryinfo", "GetMemoryInfoStats", "get_memory_info"),
diff --git a/verify/src/method/v24.rs b/verify/src/method/v24.rs
index 86c361e9a..e6dc3a4cc 100644
--- a/verify/src/method/v24.rs
+++ b/verify/src/method/v24.rs
@@ -37,7 +37,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("pruneblockchain", "PruneBlockchain", "prune_blockchain"),
     Method::new_no_model("savemempool", "SaveMempool", "save_mempool"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     // control
     Method::new_no_model("getmemoryinfo", "GetMemoryInfoStats", "get_memory_info"),
diff --git a/verify/src/method/v25.rs b/verify/src/method/v25.rs
index 92b0ad9b5..8bcbd0b08 100644
--- a/verify/src/method/v25.rs
+++ b/verify/src/method/v25.rs
@@ -38,7 +38,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("savemempool", "SaveMempool", "save_mempool"),
     Method::new_modelled("scanblocks", "ScanBlocks", "scan_blocks"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     // control
     Method::new_no_model("getmemoryinfo", "GetMemoryInfoStats", "get_memory_info"),
diff --git a/verify/src/method/v26.rs b/verify/src/method/v26.rs
index cfa161506..f7d6ea1d5 100644
--- a/verify/src/method/v26.rs
+++ b/verify/src/method/v26.rs
@@ -42,7 +42,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("savemempool", "SaveMempool", "save_mempool"),
     Method::new_modelled("scanblocks", "ScanBlocks", "scan_blocks"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     // control
     Method::new_no_model("getmemoryinfo", "GetMemoryInfoStats", "get_memory_info"),
diff --git a/verify/src/method/v27.rs b/verify/src/method/v27.rs
index 4a0e0baf9..d4fe32053 100644
--- a/verify/src/method/v27.rs
+++ b/verify/src/method/v27.rs
@@ -42,7 +42,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("savemempool", "SaveMempool", "save_mempool"),
     Method::new_modelled("scanblocks", "ScanBlocks", "scan_blocks"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     Method::new_no_model("getrpcinfo", "GetRpcInfo", "get_rpc_info"),
     // control
diff --git a/verify/src/method/v28.rs b/verify/src/method/v28.rs
index 9b8a3e4d2..6470fee31 100644
--- a/verify/src/method/v28.rs
+++ b/verify/src/method/v28.rs
@@ -42,7 +42,7 @@ pub const METHODS: &[Method] = &[
     Method::new_no_model("savemempool", "SaveMempool", "save_mempool"),
     Method::new_modelled("scanblocks", "ScanBlocks", "scan_blocks"),
     Method::new_modelled("scantxoutset", "ScanTxOutSet", "scan_tx_out_set"),
-    Method::new_bool("verifychain", "verify_chain"),
+    Method::new_no_model("verifychain", "VerifyChain", "verify_chain"),
     Method::new_modelled("verifytxoutproof", "VerifyTxOutProof", "verify_tx_out_proof"),
     Method::new_no_model("getrpcinfo", "GetRpcInfo", "get_rpc_info"),
     // controll