diff --git a/core/runtime/wavm/intrinsics/intrinsic_functions.cpp b/core/runtime/wavm/intrinsics/intrinsic_functions.cpp
index 417cd96f91..6eb9c49b6b 100644
--- a/core/runtime/wavm/intrinsics/intrinsic_functions.cpp
+++ b/core/runtime/wavm/intrinsics/intrinsic_functions.cpp
@@ -45,7 +45,7 @@ namespace kagome::runtime::wavm {
   Result cName(WAVM::Runtime::ContextRuntimeData *contextRuntimeData,      \
                ##__VA_ARGS__) {                                            \
     logger->warn("Unimplemented Host API function " #cName " was called"); \
-    return Result();                                                       \
+    throw std::runtime_error{#cName " not implemented"};                   \
   }
 
   WAVM_DEFINE_INTRINSIC_FUNCTION(void,
@@ -743,6 +743,11 @@ namespace kagome::runtime::wavm {
                                       WAVM::I32,
                                       WAVM::I32)
 
+  WAVM_DEFINE_INTRINSIC_FUNCTION_STUB(void,
+                                      ext_transaction_index_renew_version_1,
+                                      WAVM::I32,
+                                      WAVM::I32)
+
   WAVM_DEFINE_INTRINSIC_FUNCTION_STUB(
       void, ext_benchmarking_add_to_whitelist_version_1, WAVM::I64)
 
@@ -776,6 +781,15 @@ namespace kagome::runtime::wavm {
     return peekHostApi()->ext_trie_blake2_256_root_version_1(values_data);
   }
 
+  WAVM_DEFINE_INTRINSIC_FUNCTION_STUB(
+      WAVM::I32,
+      ext_trie_blake2_256_verify_proof_version_2,
+      WAVM::I32,
+      WAVM::I64,
+      WAVM::I64,
+      WAVM::I64,
+      WAVM::I32)
+
   void registerHostApiMethods(IntrinsicModule &module) {
     if (logger == nullptr) {
       logger = log::createLogger("Host API wrappers", "wavm");
@@ -843,6 +857,7 @@ namespace kagome::runtime::wavm {
     REGISTER_HOST_INTRINSIC(I32, ext_trie_blake2_256_ordered_root_version_1, I64)
     REGISTER_HOST_INTRINSIC(I32, ext_trie_blake2_256_ordered_root_version_2, I64, I32)
     REGISTER_HOST_INTRINSIC(I32, ext_trie_blake2_256_root_version_1, I64)
+    REGISTER_HOST_INTRINSIC(I32, ext_trie_blake2_256_verify_proof_version_2,I32, I64, I64, I64, I32)
     REGISTER_HOST_INTRINSIC(I64, ext_crypto_ed25519_public_keys_version_1, I32)
     REGISTER_HOST_INTRINSIC(I64, ext_crypto_ed25519_sign_version_1, I32, I32, I64)
     REGISTER_HOST_INTRINSIC(I64, ext_crypto_secp256k1_ecdsa_recover_compressed_version_1, I32, I32)
@@ -892,6 +907,7 @@ namespace kagome::runtime::wavm {
     REGISTER_HOST_INTRINSIC(   , ext_evm_ext_runtime_event_version_1, I64)
     REGISTER_HOST_INTRINSIC(I64, ext_evm_ext_step_event_filter_version_1)
     REGISTER_HOST_INTRINSIC(   , ext_transaction_index_index_version_1, I32, I32, I32)
+    REGISTER_HOST_INTRINSIC(   , ext_transaction_index_renew_version_1, I32, I32)
 
     REGISTER_HOST_INTRINSIC(   , ext_benchmarking_add_to_whitelist_version_1, I64)
     REGISTER_HOST_INTRINSIC(   , ext_benchmarking_commit_db_version_1)