diff --git a/candid/ic.did b/candid/ic.did
index 702b7ef49..b4ed746f2 100644
--- a/candid/ic.did
+++ b/candid/ic.did
@@ -1,9 +1,12 @@
+// Generated from dfinity/portal commit 7b300dc97a1636f8134410e9a40f3556acf9b496 for file 'docs/references/_attachments/ic.did'
 type canister_id = principal;
 type wasm_module = blob;
+type snapshot_id = blob;
 
 type log_visibility = variant {
     controllers;
     public;
+    allowed_viewers : vec principal;
 };
 
 type canister_settings = record {
@@ -45,6 +48,11 @@ type change_details = variant {
         mode : variant { install; reinstall; upgrade };
         module_hash : blob;
     };
+    load_snapshot : record {
+      canister_version : nat64;
+      snapshot_id : snapshot_id;
+      taken_at_timestamp : nat64;
+    };
     controllers_change : record {
         controllers : vec principal;
     };
@@ -90,7 +98,13 @@ type bitcoin_network = variant {
 
 type bitcoin_address = text;
 
-type block_hash = blob;
+type bitcoin_block_hash = blob;
+
+type bitcoin_block_header = blob;
+
+type millisatoshi_per_byte = nat64;
+
+type bitcoin_block_height = nat32;
 
 type outpoint = record {
     txid : blob;
@@ -112,30 +126,10 @@ type bitcoin_get_utxos_args = record {
     };
 };
 
-type bitcoin_get_utxos_query_args = record {
-    address : bitcoin_address;
-    network : bitcoin_network;
-    filter : opt variant {
-        min_confirmations : nat32;
-        page : blob;
-    };
-};
-
-type bitcoin_get_current_fee_percentiles_args = record {
-    network : bitcoin_network;
-};
-
 type bitcoin_get_utxos_result = record {
     utxos : vec utxo;
-    tip_block_hash : block_hash;
-    tip_height : nat32;
-    next_page : opt blob;
-};
-
-type bitcoin_get_utxos_query_result = record {
-    utxos : vec utxo;
-    tip_block_hash : block_hash;
-    tip_height : nat32;
+    tip_block_hash : bitcoin_block_hash;
+    tip_height : bitcoin_block_height;
     next_page : opt blob;
 };
 
@@ -145,18 +139,29 @@ type bitcoin_get_balance_args = record {
     min_confirmations : opt nat32;
 };
 
-type bitcoin_get_balance_query_args = record {
-    address : bitcoin_address;
+type bitcoin_get_balance_result = satoshi;
+
+type bitcoin_get_current_fee_percentiles_args = record {
     network : bitcoin_network;
-    min_confirmations : opt nat32;
 };
 
+type bitcoin_get_current_fee_percentiles_result = vec millisatoshi_per_byte;
+
 type bitcoin_send_transaction_args = record {
     transaction : blob;
     network : bitcoin_network;
 };
 
-type millisatoshi_per_byte = nat64;
+type bitcoin_get_block_headers_args = record {
+    start_height : bitcoin_block_height;
+    end_height : opt bitcoin_block_height;
+    network: bitcoin_network;
+};
+
+type bitcoin_get_block_headers_result = record {
+    tip_height : bitcoin_block_height;
+    block_headers : vec bitcoin_block_header;
+};
 
 type node_metrics = record {
     node_id : principal;
@@ -339,6 +344,14 @@ type node_metrics_history_result = vec record {
     node_metrics : vec node_metrics;
 };
 
+type subnet_info_args = record {
+    subnet_id : principal;
+};
+
+type subnet_info_result = record {
+    replica_version : text;
+};
+
 type provisional_create_canister_with_cycles_args = record {
     amount : opt nat;
     settings : opt canister_settings;
@@ -361,11 +374,35 @@ type stored_chunks_result = vec chunk_hash;
 
 type upload_chunk_result = chunk_hash;
 
-type bitcoin_get_balance_result = satoshi;
+type snapshot = record {
+  id : snapshot_id;
+  taken_at_timestamp : nat64;
+  total_size : nat64;
+};
 
-type bitcoin_get_balance_query_result = satoshi;
+type take_canister_snapshot_args = record {
+  canister_id : canister_id;
+  replace_snapshot : opt snapshot_id;
+};
 
-type bitcoin_get_current_fee_percentiles_result = vec millisatoshi_per_byte;
+type take_canister_snapshot_result = snapshot;
+
+type load_canister_snapshot_args = record {
+  canister_id : canister_id;
+  snapshot_id : snapshot_id;
+  sender_canister_version : opt nat64;
+};
+
+type list_canister_snapshots_args = record {
+  canister_id : canister_id;
+};
+
+type list_canister_snapshots_result = vec snapshot;
+
+type delete_canister_snapshot_args = record {
+  canister_id : canister_id;
+  snapshot_id : snapshot_id;
+};
 
 type fetch_canister_logs_args = record {
     canister_id : canister_id;
@@ -409,19 +446,27 @@ service ic : {
 
     // bitcoin interface
     bitcoin_get_balance : (bitcoin_get_balance_args) -> (bitcoin_get_balance_result);
-    bitcoin_get_balance_query : (bitcoin_get_balance_query_args) -> (bitcoin_get_balance_query_result) query;
     bitcoin_get_utxos : (bitcoin_get_utxos_args) -> (bitcoin_get_utxos_result);
-    bitcoin_get_utxos_query : (bitcoin_get_utxos_query_args) -> (bitcoin_get_utxos_query_result) query;
     bitcoin_send_transaction : (bitcoin_send_transaction_args) -> ();
     bitcoin_get_current_fee_percentiles : (bitcoin_get_current_fee_percentiles_args) -> (bitcoin_get_current_fee_percentiles_result);
+    bitcoin_get_block_headers : (bitcoin_get_block_headers_args) -> (bitcoin_get_block_headers_result);
 
     // metrics interface
     node_metrics_history : (node_metrics_history_args) -> (node_metrics_history_result);
 
+    // subnet info
+    subnet_info : (subnet_info_args) -> (subnet_info_result);
+
     // provisional interfaces for the pre-ledger world
     provisional_create_canister_with_cycles : (provisional_create_canister_with_cycles_args) -> (provisional_create_canister_with_cycles_result);
     provisional_top_up_canister : (provisional_top_up_canister_args) -> ();
 
+    // Canister snapshots
+    take_canister_snapshot : (take_canister_snapshot_args) -> (take_canister_snapshot_result);
+    load_canister_snapshot : (load_canister_snapshot_args) -> ();
+    list_canister_snapshots : (list_canister_snapshots_args) -> (list_canister_snapshots_result);
+    delete_canister_snapshot : (delete_canister_snapshot_args) -> ();
+
     // canister logging
     fetch_canister_logs : (fetch_canister_logs_args) -> (fetch_canister_logs_result) query;
 };
diff --git a/scripts/did.ic.sh b/scripts/did.ic.sh
new file mode 100755
index 000000000..f3a5b07fb
--- /dev/null
+++ b/scripts/did.ic.sh
@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+download_did() {
+  local raw_url="$1"
+  local out_filename="$2"
+  local folder="$3"
+
+  local out_path="${folder}/${out_filename}"
+
+  # Extract repository, branch, and file path from the raw URL
+  local repo=$(echo "$raw_url" | awk -F '/' '{print $4"/"$5}')
+  local branch=$(echo "$raw_url" | awk -F '/' '{print $6}')
+  local file_path=$(echo "$raw_url" | awk -F "$branch/" '{print $2}')
+
+  # Get the latest commit hash for the specified file
+  local api_url="https://api.github.com/repos/${repo}/commits?path=${file_path}&sha=${branch}"
+  local commit_hash=$(curl -s "$api_url" | jq -r '.[0].sha')
+
+  if [ -z "$commit_hash" ]; then
+    echo "Failed to retrieve commit hash for ${file_path} in ${repo}."
+    return 1
+  fi
+
+  echo "Downloading ${raw_url} -> REPO_ROOT/${out_path}"
+  {
+    echo "// Generated from ${repo} commit ${commit_hash} for file '${file_path}'"
+    curl -s "$raw_url"
+  } >"${out_path}"
+}
+
+download_did https://raw.githubusercontent.com/dfinity/portal/master/docs/references/_attachments/ic.did "ic.did" "candid"
\ No newline at end of file
diff --git a/src/declarations/ic/ic.did.d.ts b/src/declarations/ic/ic.did.d.ts
index f3bf13a37..6b9217d4a 100644
--- a/src/declarations/ic/ic.did.d.ts
+++ b/src/declarations/ic/ic.did.d.ts
@@ -3,18 +3,24 @@ import type { IDL } from '@dfinity/candid';
 import type { Principal } from '@dfinity/principal';
 
 export type bitcoin_address = string;
+export type bitcoin_block_hash = Uint8Array | number[];
+export type bitcoin_block_header = Uint8Array | number[];
+export type bitcoin_block_height = number;
 export interface bitcoin_get_balance_args {
 	network: bitcoin_network;
 	address: bitcoin_address;
 	min_confirmations: [] | [number];
 }
-export interface bitcoin_get_balance_query_args {
+export type bitcoin_get_balance_result = satoshi;
+export interface bitcoin_get_block_headers_args {
+	start_height: bitcoin_block_height;
+	end_height: [] | [bitcoin_block_height];
 	network: bitcoin_network;
-	address: bitcoin_address;
-	min_confirmations: [] | [number];
 }
-export type bitcoin_get_balance_query_result = satoshi;
-export type bitcoin_get_balance_result = satoshi;
+export interface bitcoin_get_block_headers_result {
+	tip_height: bitcoin_block_height;
+	block_headers: Array<bitcoin_block_header>;
+}
 export interface bitcoin_get_current_fee_percentiles_args {
 	network: bitcoin_network;
 }
@@ -24,21 +30,10 @@ export interface bitcoin_get_utxos_args {
 	filter: [] | [{ page: Uint8Array | number[] } | { min_confirmations: number }];
 	address: bitcoin_address;
 }
-export interface bitcoin_get_utxos_query_args {
-	network: bitcoin_network;
-	filter: [] | [{ page: Uint8Array | number[] } | { min_confirmations: number }];
-	address: bitcoin_address;
-}
-export interface bitcoin_get_utxos_query_result {
-	next_page: [] | [Uint8Array | number[]];
-	tip_height: number;
-	tip_block_hash: block_hash;
-	utxos: Array<utxo>;
-}
 export interface bitcoin_get_utxos_result {
 	next_page: [] | [Uint8Array | number[]];
-	tip_height: number;
-	tip_block_hash: block_hash;
+	tip_height: bitcoin_block_height;
+	tip_block_hash: bitcoin_block_hash;
 	utxos: Array<utxo>;
 }
 export type bitcoin_network = { mainnet: null } | { testnet: null };
@@ -46,7 +41,6 @@ export interface bitcoin_send_transaction_args {
 	transaction: Uint8Array | number[];
 	network: bitcoin_network;
 }
-export type block_hash = Uint8Array | number[];
 export type canister_id = Principal;
 export interface canister_info_args {
 	canister_id: canister_id;
@@ -119,6 +113,13 @@ export type change_details =
 				module_hash: Uint8Array | number[];
 			};
 	  }
+	| {
+			load_snapshot: {
+				canister_version: bigint;
+				taken_at_timestamp: bigint;
+				snapshot_id: snapshot_id;
+			};
+	  }
 	| { controllers_change: { controllers: Array<Principal> } }
 	| { code_uninstall: null };
 export type change_origin =
@@ -154,6 +155,10 @@ export interface definite_canister_settings {
 export interface delete_canister_args {
 	canister_id: canister_id;
 }
+export interface delete_canister_snapshot_args {
+	canister_id: canister_id;
+	snapshot_id: snapshot_id;
+}
 export interface deposit_cycles_args {
 	canister_id: canister_id;
 }
@@ -206,7 +211,19 @@ export interface install_code_args {
 	canister_id: canister_id;
 	sender_canister_version: [] | [bigint];
 }
-export type log_visibility = { controllers: null } | { public: null };
+export interface list_canister_snapshots_args {
+	canister_id: canister_id;
+}
+export type list_canister_snapshots_result = Array<snapshot>;
+export interface load_canister_snapshot_args {
+	canister_id: canister_id;
+	sender_canister_version: [] | [bigint];
+	snapshot_id: snapshot_id;
+}
+export type log_visibility =
+	| { controllers: null }
+	| { public: null }
+	| { allowed_viewers: Array<Principal> };
 export type millisatoshi_per_byte = bigint;
 export interface node_metrics {
 	num_block_failures_total: bigint;
@@ -266,6 +283,12 @@ export interface sign_with_schnorr_args {
 export interface sign_with_schnorr_result {
 	signature: Uint8Array | number[];
 }
+export interface snapshot {
+	id: snapshot_id;
+	total_size: bigint;
+	taken_at_timestamp: bigint;
+}
+export type snapshot_id = Uint8Array | number[];
 export interface start_canister_args {
 	canister_id: canister_id;
 }
@@ -276,6 +299,17 @@ export interface stored_chunks_args {
 	canister_id: canister_id;
 }
 export type stored_chunks_result = Array<chunk_hash>;
+export interface subnet_info_args {
+	subnet_id: Principal;
+}
+export interface subnet_info_result {
+	replica_version: string;
+}
+export interface take_canister_snapshot_args {
+	replace_snapshot: [] | [snapshot_id];
+	canister_id: canister_id;
+}
+export type take_canister_snapshot_result = snapshot;
 export interface uninstall_code_args {
 	canister_id: canister_id;
 	sender_canister_version: [] | [bigint];
@@ -298,31 +332,33 @@ export interface utxo {
 export type wasm_module = Uint8Array | number[];
 export interface _SERVICE {
 	bitcoin_get_balance: ActorMethod<[bitcoin_get_balance_args], bitcoin_get_balance_result>;
-	bitcoin_get_balance_query: ActorMethod<
-		[bitcoin_get_balance_query_args],
-		bitcoin_get_balance_query_result
+	bitcoin_get_block_headers: ActorMethod<
+		[bitcoin_get_block_headers_args],
+		bitcoin_get_block_headers_result
 	>;
 	bitcoin_get_current_fee_percentiles: ActorMethod<
 		[bitcoin_get_current_fee_percentiles_args],
 		bitcoin_get_current_fee_percentiles_result
 	>;
 	bitcoin_get_utxos: ActorMethod<[bitcoin_get_utxos_args], bitcoin_get_utxos_result>;
-	bitcoin_get_utxos_query: ActorMethod<
-		[bitcoin_get_utxos_query_args],
-		bitcoin_get_utxos_query_result
-	>;
 	bitcoin_send_transaction: ActorMethod<[bitcoin_send_transaction_args], undefined>;
 	canister_info: ActorMethod<[canister_info_args], canister_info_result>;
 	canister_status: ActorMethod<[canister_status_args], canister_status_result>;
 	clear_chunk_store: ActorMethod<[clear_chunk_store_args], undefined>;
 	create_canister: ActorMethod<[create_canister_args], create_canister_result>;
 	delete_canister: ActorMethod<[delete_canister_args], undefined>;
+	delete_canister_snapshot: ActorMethod<[delete_canister_snapshot_args], undefined>;
 	deposit_cycles: ActorMethod<[deposit_cycles_args], undefined>;
 	ecdsa_public_key: ActorMethod<[ecdsa_public_key_args], ecdsa_public_key_result>;
 	fetch_canister_logs: ActorMethod<[fetch_canister_logs_args], fetch_canister_logs_result>;
 	http_request: ActorMethod<[http_request_args], http_request_result>;
 	install_chunked_code: ActorMethod<[install_chunked_code_args], undefined>;
 	install_code: ActorMethod<[install_code_args], undefined>;
+	list_canister_snapshots: ActorMethod<
+		[list_canister_snapshots_args],
+		list_canister_snapshots_result
+	>;
+	load_canister_snapshot: ActorMethod<[load_canister_snapshot_args], undefined>;
 	node_metrics_history: ActorMethod<[node_metrics_history_args], node_metrics_history_result>;
 	provisional_create_canister_with_cycles: ActorMethod<
 		[provisional_create_canister_with_cycles_args],
@@ -336,6 +372,8 @@ export interface _SERVICE {
 	start_canister: ActorMethod<[start_canister_args], undefined>;
 	stop_canister: ActorMethod<[stop_canister_args], undefined>;
 	stored_chunks: ActorMethod<[stored_chunks_args], stored_chunks_result>;
+	subnet_info: ActorMethod<[subnet_info_args], subnet_info_result>;
+	take_canister_snapshot: ActorMethod<[take_canister_snapshot_args], take_canister_snapshot_result>;
 	uninstall_code: ActorMethod<[uninstall_code_args], undefined>;
 	update_settings: ActorMethod<[update_settings_args], undefined>;
 	upload_chunk: ActorMethod<[upload_chunk_args], upload_chunk_result>;
diff --git a/src/declarations/ic/ic.factory.did.js b/src/declarations/ic/ic.factory.did.js
index a3cd60498..f709bf40e 100644
--- a/src/declarations/ic/ic.factory.did.js
+++ b/src/declarations/ic/ic.factory.did.js
@@ -12,12 +12,17 @@ export const idlFactory = ({ IDL }) => {
 	});
 	const satoshi = IDL.Nat64;
 	const bitcoin_get_balance_result = satoshi;
-	const bitcoin_get_balance_query_args = IDL.Record({
-		network: bitcoin_network,
-		address: bitcoin_address,
-		min_confirmations: IDL.Opt(IDL.Nat32)
+	const bitcoin_block_height = IDL.Nat32;
+	const bitcoin_get_block_headers_args = IDL.Record({
+		start_height: bitcoin_block_height,
+		end_height: IDL.Opt(bitcoin_block_height),
+		network: bitcoin_network
+	});
+	const bitcoin_block_header = IDL.Vec(IDL.Nat8);
+	const bitcoin_get_block_headers_result = IDL.Record({
+		tip_height: bitcoin_block_height,
+		block_headers: IDL.Vec(bitcoin_block_header)
 	});
-	const bitcoin_get_balance_query_result = satoshi;
 	const bitcoin_get_current_fee_percentiles_args = IDL.Record({
 		network: bitcoin_network
 	});
@@ -33,7 +38,7 @@ export const idlFactory = ({ IDL }) => {
 		),
 		address: bitcoin_address
 	});
-	const block_hash = IDL.Vec(IDL.Nat8);
+	const bitcoin_block_hash = IDL.Vec(IDL.Nat8);
 	const outpoint = IDL.Record({
 		txid: IDL.Vec(IDL.Nat8),
 		vout: IDL.Nat32
@@ -45,24 +50,8 @@ export const idlFactory = ({ IDL }) => {
 	});
 	const bitcoin_get_utxos_result = IDL.Record({
 		next_page: IDL.Opt(IDL.Vec(IDL.Nat8)),
-		tip_height: IDL.Nat32,
-		tip_block_hash: block_hash,
-		utxos: IDL.Vec(utxo)
-	});
-	const bitcoin_get_utxos_query_args = IDL.Record({
-		network: bitcoin_network,
-		filter: IDL.Opt(
-			IDL.Variant({
-				page: IDL.Vec(IDL.Nat8),
-				min_confirmations: IDL.Nat32
-			})
-		),
-		address: bitcoin_address
-	});
-	const bitcoin_get_utxos_query_result = IDL.Record({
-		next_page: IDL.Opt(IDL.Vec(IDL.Nat8)),
-		tip_height: IDL.Nat32,
-		tip_block_hash: block_hash,
+		tip_height: bitcoin_block_height,
+		tip_block_hash: bitcoin_block_hash,
 		utxos: IDL.Vec(utxo)
 	});
 	const bitcoin_send_transaction_args = IDL.Record({
@@ -81,6 +70,7 @@ export const idlFactory = ({ IDL }) => {
 			canister_id: IDL.Principal
 		})
 	});
+	const snapshot_id = IDL.Vec(IDL.Nat8);
 	const change_details = IDL.Variant({
 		creation: IDL.Record({ controllers: IDL.Vec(IDL.Principal) }),
 		code_deployment: IDL.Record({
@@ -91,6 +81,11 @@ export const idlFactory = ({ IDL }) => {
 			}),
 			module_hash: IDL.Vec(IDL.Nat8)
 		}),
+		load_snapshot: IDL.Record({
+			canister_version: IDL.Nat64,
+			taken_at_timestamp: IDL.Nat64,
+			snapshot_id: snapshot_id
+		}),
 		controllers_change: IDL.Record({
 			controllers: IDL.Vec(IDL.Principal)
 		}),
@@ -111,7 +106,8 @@ export const idlFactory = ({ IDL }) => {
 	const canister_status_args = IDL.Record({ canister_id: canister_id });
 	const log_visibility = IDL.Variant({
 		controllers: IDL.Null,
-		public: IDL.Null
+		public: IDL.Null,
+		allowed_viewers: IDL.Vec(IDL.Principal)
 	});
 	const definite_canister_settings = IDL.Record({
 		freezing_threshold: IDL.Nat,
@@ -157,6 +153,10 @@ export const idlFactory = ({ IDL }) => {
 	});
 	const create_canister_result = IDL.Record({ canister_id: canister_id });
 	const delete_canister_args = IDL.Record({ canister_id: canister_id });
+	const delete_canister_snapshot_args = IDL.Record({
+		canister_id: canister_id,
+		snapshot_id: snapshot_id
+	});
 	const deposit_cycles_args = IDL.Record({ canister_id: canister_id });
 	const ecdsa_curve = IDL.Variant({ secp256k1: IDL.Null });
 	const ecdsa_public_key_args = IDL.Record({
@@ -237,6 +237,20 @@ export const idlFactory = ({ IDL }) => {
 		canister_id: canister_id,
 		sender_canister_version: IDL.Opt(IDL.Nat64)
 	});
+	const list_canister_snapshots_args = IDL.Record({
+		canister_id: canister_id
+	});
+	const snapshot = IDL.Record({
+		id: snapshot_id,
+		total_size: IDL.Nat64,
+		taken_at_timestamp: IDL.Nat64
+	});
+	const list_canister_snapshots_result = IDL.Vec(snapshot);
+	const load_canister_snapshot_args = IDL.Record({
+		canister_id: canister_id,
+		sender_canister_version: IDL.Opt(IDL.Nat64),
+		snapshot_id: snapshot_id
+	});
 	const node_metrics_history_args = IDL.Record({
 		start_at_timestamp_nanos: IDL.Nat64,
 		subnet_id: IDL.Principal
@@ -305,6 +319,13 @@ export const idlFactory = ({ IDL }) => {
 	const stop_canister_args = IDL.Record({ canister_id: canister_id });
 	const stored_chunks_args = IDL.Record({ canister_id: canister_id });
 	const stored_chunks_result = IDL.Vec(chunk_hash);
+	const subnet_info_args = IDL.Record({ subnet_id: IDL.Principal });
+	const subnet_info_result = IDL.Record({ replica_version: IDL.Text });
+	const take_canister_snapshot_args = IDL.Record({
+		replace_snapshot: IDL.Opt(snapshot_id),
+		canister_id: canister_id
+	});
+	const take_canister_snapshot_result = snapshot;
 	const uninstall_code_args = IDL.Record({
 		canister_id: canister_id,
 		sender_canister_version: IDL.Opt(IDL.Nat64)
@@ -321,10 +342,10 @@ export const idlFactory = ({ IDL }) => {
 	const upload_chunk_result = chunk_hash;
 	return IDL.Service({
 		bitcoin_get_balance: IDL.Func([bitcoin_get_balance_args], [bitcoin_get_balance_result], []),
-		bitcoin_get_balance_query: IDL.Func(
-			[bitcoin_get_balance_query_args],
-			[bitcoin_get_balance_query_result],
-			['query']
+		bitcoin_get_block_headers: IDL.Func(
+			[bitcoin_get_block_headers_args],
+			[bitcoin_get_block_headers_result],
+			[]
 		),
 		bitcoin_get_current_fee_percentiles: IDL.Func(
 			[bitcoin_get_current_fee_percentiles_args],
@@ -332,17 +353,13 @@ export const idlFactory = ({ IDL }) => {
 			[]
 		),
 		bitcoin_get_utxos: IDL.Func([bitcoin_get_utxos_args], [bitcoin_get_utxos_result], []),
-		bitcoin_get_utxos_query: IDL.Func(
-			[bitcoin_get_utxos_query_args],
-			[bitcoin_get_utxos_query_result],
-			['query']
-		),
 		bitcoin_send_transaction: IDL.Func([bitcoin_send_transaction_args], [], []),
 		canister_info: IDL.Func([canister_info_args], [canister_info_result], []),
 		canister_status: IDL.Func([canister_status_args], [canister_status_result], []),
 		clear_chunk_store: IDL.Func([clear_chunk_store_args], [], []),
 		create_canister: IDL.Func([create_canister_args], [create_canister_result], []),
 		delete_canister: IDL.Func([delete_canister_args], [], []),
+		delete_canister_snapshot: IDL.Func([delete_canister_snapshot_args], [], []),
 		deposit_cycles: IDL.Func([deposit_cycles_args], [], []),
 		ecdsa_public_key: IDL.Func([ecdsa_public_key_args], [ecdsa_public_key_result], []),
 		fetch_canister_logs: IDL.Func(
@@ -353,6 +370,12 @@ export const idlFactory = ({ IDL }) => {
 		http_request: IDL.Func([http_request_args], [http_request_result], []),
 		install_chunked_code: IDL.Func([install_chunked_code_args], [], []),
 		install_code: IDL.Func([install_code_args], [], []),
+		list_canister_snapshots: IDL.Func(
+			[list_canister_snapshots_args],
+			[list_canister_snapshots_result],
+			[]
+		),
+		load_canister_snapshot: IDL.Func([load_canister_snapshot_args], [], []),
 		node_metrics_history: IDL.Func([node_metrics_history_args], [node_metrics_history_result], []),
 		provisional_create_canister_with_cycles: IDL.Func(
 			[provisional_create_canister_with_cycles_args],
@@ -367,6 +390,12 @@ export const idlFactory = ({ IDL }) => {
 		start_canister: IDL.Func([start_canister_args], [], []),
 		stop_canister: IDL.Func([stop_canister_args], [], []),
 		stored_chunks: IDL.Func([stored_chunks_args], [stored_chunks_result], []),
+		subnet_info: IDL.Func([subnet_info_args], [subnet_info_result], []),
+		take_canister_snapshot: IDL.Func(
+			[take_canister_snapshot_args],
+			[take_canister_snapshot_result],
+			[]
+		),
 		uninstall_code: IDL.Func([uninstall_code_args], [], []),
 		update_settings: IDL.Func([update_settings_args], [], []),
 		upload_chunk: IDL.Func([upload_chunk_args], [upload_chunk_result], [])
diff --git a/src/declarations/ic/ic.factory.did.mjs b/src/declarations/ic/ic.factory.did.mjs
index a3cd60498..f709bf40e 100644
--- a/src/declarations/ic/ic.factory.did.mjs
+++ b/src/declarations/ic/ic.factory.did.mjs
@@ -12,12 +12,17 @@ export const idlFactory = ({ IDL }) => {
 	});
 	const satoshi = IDL.Nat64;
 	const bitcoin_get_balance_result = satoshi;
-	const bitcoin_get_balance_query_args = IDL.Record({
-		network: bitcoin_network,
-		address: bitcoin_address,
-		min_confirmations: IDL.Opt(IDL.Nat32)
+	const bitcoin_block_height = IDL.Nat32;
+	const bitcoin_get_block_headers_args = IDL.Record({
+		start_height: bitcoin_block_height,
+		end_height: IDL.Opt(bitcoin_block_height),
+		network: bitcoin_network
+	});
+	const bitcoin_block_header = IDL.Vec(IDL.Nat8);
+	const bitcoin_get_block_headers_result = IDL.Record({
+		tip_height: bitcoin_block_height,
+		block_headers: IDL.Vec(bitcoin_block_header)
 	});
-	const bitcoin_get_balance_query_result = satoshi;
 	const bitcoin_get_current_fee_percentiles_args = IDL.Record({
 		network: bitcoin_network
 	});
@@ -33,7 +38,7 @@ export const idlFactory = ({ IDL }) => {
 		),
 		address: bitcoin_address
 	});
-	const block_hash = IDL.Vec(IDL.Nat8);
+	const bitcoin_block_hash = IDL.Vec(IDL.Nat8);
 	const outpoint = IDL.Record({
 		txid: IDL.Vec(IDL.Nat8),
 		vout: IDL.Nat32
@@ -45,24 +50,8 @@ export const idlFactory = ({ IDL }) => {
 	});
 	const bitcoin_get_utxos_result = IDL.Record({
 		next_page: IDL.Opt(IDL.Vec(IDL.Nat8)),
-		tip_height: IDL.Nat32,
-		tip_block_hash: block_hash,
-		utxos: IDL.Vec(utxo)
-	});
-	const bitcoin_get_utxos_query_args = IDL.Record({
-		network: bitcoin_network,
-		filter: IDL.Opt(
-			IDL.Variant({
-				page: IDL.Vec(IDL.Nat8),
-				min_confirmations: IDL.Nat32
-			})
-		),
-		address: bitcoin_address
-	});
-	const bitcoin_get_utxos_query_result = IDL.Record({
-		next_page: IDL.Opt(IDL.Vec(IDL.Nat8)),
-		tip_height: IDL.Nat32,
-		tip_block_hash: block_hash,
+		tip_height: bitcoin_block_height,
+		tip_block_hash: bitcoin_block_hash,
 		utxos: IDL.Vec(utxo)
 	});
 	const bitcoin_send_transaction_args = IDL.Record({
@@ -81,6 +70,7 @@ export const idlFactory = ({ IDL }) => {
 			canister_id: IDL.Principal
 		})
 	});
+	const snapshot_id = IDL.Vec(IDL.Nat8);
 	const change_details = IDL.Variant({
 		creation: IDL.Record({ controllers: IDL.Vec(IDL.Principal) }),
 		code_deployment: IDL.Record({
@@ -91,6 +81,11 @@ export const idlFactory = ({ IDL }) => {
 			}),
 			module_hash: IDL.Vec(IDL.Nat8)
 		}),
+		load_snapshot: IDL.Record({
+			canister_version: IDL.Nat64,
+			taken_at_timestamp: IDL.Nat64,
+			snapshot_id: snapshot_id
+		}),
 		controllers_change: IDL.Record({
 			controllers: IDL.Vec(IDL.Principal)
 		}),
@@ -111,7 +106,8 @@ export const idlFactory = ({ IDL }) => {
 	const canister_status_args = IDL.Record({ canister_id: canister_id });
 	const log_visibility = IDL.Variant({
 		controllers: IDL.Null,
-		public: IDL.Null
+		public: IDL.Null,
+		allowed_viewers: IDL.Vec(IDL.Principal)
 	});
 	const definite_canister_settings = IDL.Record({
 		freezing_threshold: IDL.Nat,
@@ -157,6 +153,10 @@ export const idlFactory = ({ IDL }) => {
 	});
 	const create_canister_result = IDL.Record({ canister_id: canister_id });
 	const delete_canister_args = IDL.Record({ canister_id: canister_id });
+	const delete_canister_snapshot_args = IDL.Record({
+		canister_id: canister_id,
+		snapshot_id: snapshot_id
+	});
 	const deposit_cycles_args = IDL.Record({ canister_id: canister_id });
 	const ecdsa_curve = IDL.Variant({ secp256k1: IDL.Null });
 	const ecdsa_public_key_args = IDL.Record({
@@ -237,6 +237,20 @@ export const idlFactory = ({ IDL }) => {
 		canister_id: canister_id,
 		sender_canister_version: IDL.Opt(IDL.Nat64)
 	});
+	const list_canister_snapshots_args = IDL.Record({
+		canister_id: canister_id
+	});
+	const snapshot = IDL.Record({
+		id: snapshot_id,
+		total_size: IDL.Nat64,
+		taken_at_timestamp: IDL.Nat64
+	});
+	const list_canister_snapshots_result = IDL.Vec(snapshot);
+	const load_canister_snapshot_args = IDL.Record({
+		canister_id: canister_id,
+		sender_canister_version: IDL.Opt(IDL.Nat64),
+		snapshot_id: snapshot_id
+	});
 	const node_metrics_history_args = IDL.Record({
 		start_at_timestamp_nanos: IDL.Nat64,
 		subnet_id: IDL.Principal
@@ -305,6 +319,13 @@ export const idlFactory = ({ IDL }) => {
 	const stop_canister_args = IDL.Record({ canister_id: canister_id });
 	const stored_chunks_args = IDL.Record({ canister_id: canister_id });
 	const stored_chunks_result = IDL.Vec(chunk_hash);
+	const subnet_info_args = IDL.Record({ subnet_id: IDL.Principal });
+	const subnet_info_result = IDL.Record({ replica_version: IDL.Text });
+	const take_canister_snapshot_args = IDL.Record({
+		replace_snapshot: IDL.Opt(snapshot_id),
+		canister_id: canister_id
+	});
+	const take_canister_snapshot_result = snapshot;
 	const uninstall_code_args = IDL.Record({
 		canister_id: canister_id,
 		sender_canister_version: IDL.Opt(IDL.Nat64)
@@ -321,10 +342,10 @@ export const idlFactory = ({ IDL }) => {
 	const upload_chunk_result = chunk_hash;
 	return IDL.Service({
 		bitcoin_get_balance: IDL.Func([bitcoin_get_balance_args], [bitcoin_get_balance_result], []),
-		bitcoin_get_balance_query: IDL.Func(
-			[bitcoin_get_balance_query_args],
-			[bitcoin_get_balance_query_result],
-			['query']
+		bitcoin_get_block_headers: IDL.Func(
+			[bitcoin_get_block_headers_args],
+			[bitcoin_get_block_headers_result],
+			[]
 		),
 		bitcoin_get_current_fee_percentiles: IDL.Func(
 			[bitcoin_get_current_fee_percentiles_args],
@@ -332,17 +353,13 @@ export const idlFactory = ({ IDL }) => {
 			[]
 		),
 		bitcoin_get_utxos: IDL.Func([bitcoin_get_utxos_args], [bitcoin_get_utxos_result], []),
-		bitcoin_get_utxos_query: IDL.Func(
-			[bitcoin_get_utxos_query_args],
-			[bitcoin_get_utxos_query_result],
-			['query']
-		),
 		bitcoin_send_transaction: IDL.Func([bitcoin_send_transaction_args], [], []),
 		canister_info: IDL.Func([canister_info_args], [canister_info_result], []),
 		canister_status: IDL.Func([canister_status_args], [canister_status_result], []),
 		clear_chunk_store: IDL.Func([clear_chunk_store_args], [], []),
 		create_canister: IDL.Func([create_canister_args], [create_canister_result], []),
 		delete_canister: IDL.Func([delete_canister_args], [], []),
+		delete_canister_snapshot: IDL.Func([delete_canister_snapshot_args], [], []),
 		deposit_cycles: IDL.Func([deposit_cycles_args], [], []),
 		ecdsa_public_key: IDL.Func([ecdsa_public_key_args], [ecdsa_public_key_result], []),
 		fetch_canister_logs: IDL.Func(
@@ -353,6 +370,12 @@ export const idlFactory = ({ IDL }) => {
 		http_request: IDL.Func([http_request_args], [http_request_result], []),
 		install_chunked_code: IDL.Func([install_chunked_code_args], [], []),
 		install_code: IDL.Func([install_code_args], [], []),
+		list_canister_snapshots: IDL.Func(
+			[list_canister_snapshots_args],
+			[list_canister_snapshots_result],
+			[]
+		),
+		load_canister_snapshot: IDL.Func([load_canister_snapshot_args], [], []),
 		node_metrics_history: IDL.Func([node_metrics_history_args], [node_metrics_history_result], []),
 		provisional_create_canister_with_cycles: IDL.Func(
 			[provisional_create_canister_with_cycles_args],
@@ -367,6 +390,12 @@ export const idlFactory = ({ IDL }) => {
 		start_canister: IDL.Func([start_canister_args], [], []),
 		stop_canister: IDL.Func([stop_canister_args], [], []),
 		stored_chunks: IDL.Func([stored_chunks_args], [stored_chunks_result], []),
+		subnet_info: IDL.Func([subnet_info_args], [subnet_info_result], []),
+		take_canister_snapshot: IDL.Func(
+			[take_canister_snapshot_args],
+			[take_canister_snapshot_result],
+			[]
+		),
 		uninstall_code: IDL.Func([uninstall_code_args], [], []),
 		update_settings: IDL.Func([update_settings_args], [], []),
 		upload_chunk: IDL.Func([upload_chunk_args], [upload_chunk_result], [])