Squashed 'libbitcoinkernel-sys/bitcoin/' changes from 86b9d69f8829..9f6541e27cc6

9f6541e27cc6 Change kernel install directory temporarily
dcc4322d6202 Add BlockReader functionality to kernel library
REVERT: 86b9d69f8829 Change kernel install directory temporarily
REVERT: 1ca61848e19c Add BlockReader functionality to kernel library

git-subtree-dir: libbitcoinkernel-sys/bitcoin
git-subtree-split: 9f6541e27cc656add6c44ba3a33841fdecfa3f75

Author: alexanderwiederin

src/kernel/bitcoinkernel.h

@@ -138,6 +138,11 @@ typedef struct kernel_TransactionOutPoint kernel_TransactionOutPoint;
  */
 typedef struct kernel_TransactionScriptSig kernel_TransactionScriptSig;
 
+/**
+ * Opaque data structure for holding a witness.
+ */
+typedef struct kernel_TransactionWitness kernel_TransactionWitness;
+
 /**
  * Opaque data structure for holding a logging connection.
  *

src/kernel/blockreader/blockreader.cpp

@@ -70,6 +70,11 @@ const CScript* cast_const_script_sig(const kernel_TransactionScriptSig* script_s
     return reinterpret_cast<const CScript*>(script_sig);
 }
 
+const CScriptWitness* cast_const_witness(const kernel_TransactionWitness* witness)
+{
+    return reinterpret_cast<const CScriptWitness*>(witness);
+}
+
 kernel_blockreader_IBDStatus cast_ibd_status(IBDStatus status)
 {
     switch (status) {
@@ -472,18 +477,65 @@ kernel_ByteArray* kernel_copy_script_sig_data(const kernel_TransactionScriptSig*
     return byte_array;
 }
 
-bool kernel_transaction_script_sig_is_push_only(const kernel_TransactionScriptSig* _script_sig)
+bool kernel_script_sig_is_push_only(const kernel_TransactionScriptSig* _script_sig)
 {
     const auto* script = cast_const_script_sig(_script_sig);
 
     return script->IsPushOnly();
 }
 
-bool kernel_transaction_script_sig_is_empty(const kernel_TransactionScriptSig* _script_sig)
+bool kernel_script_sig_is_empty(const kernel_TransactionScriptSig* _script_sig)
 {
     const auto* script = cast_const_script_sig(_script_sig);
 
     return script->empty();
 }
 
+uint32_t kernel_transaction_input_get_n_sequence(const kernel_TransactionInput* _input)
+{
+    const auto* input = cast_const_transaction_input(_input);
+
+    return input->nSequence;
+}
+
+const kernel_TransactionWitness* kernel_transaction_input_get_witness(const kernel_TransactionInput* _input)
+{
+    const auto* input = cast_const_transaction_input(_input);
+
+    return reinterpret_cast<const kernel_TransactionWitness*>(&input->scriptWitness);
+}
+
+uint32_t kernel_witness_get_stack_size(const kernel_TransactionWitness* _witness)
+{
+    const auto* witness = cast_const_witness(_witness);
+
+    return witness->stack.size();
+}
+
+kernel_ByteArray* kernel_witness_get_stack_item(const kernel_TransactionWitness* _witness, uint32_t index)
+{
+    const auto* witness = cast_const_witness(_witness);
+
+    if (index >= witness->stack.size()) {
+        return nullptr;
+    }
+
+    const auto& stack_item = witness->stack.at(index);
+
+    auto byte_array = new kernel_ByteArray();
+    byte_array->size = stack_item.size();
+    byte_array->data = new unsigned char[byte_array->size];
+
+    std::memcpy(byte_array->data, stack_item.data(), byte_array->size);
+
+    return byte_array;
+}
+
+bool kernel_witness_is_null(const kernel_TransactionWitness* _witness)
+{
+    const auto* witness = cast_const_witness(_witness);
+
+    return witness->IsNull();
+}
+
 } // extern "C"

src/kernel/blockreader/blockreader.h

@@ -123,13 +123,19 @@ BITCOINKERNEL_API const kernel_TransactionScriptSig* BITCOINKERNEL_WARN_UNUSED_R
 
 BITCOINKERNEL_API kernel_ByteArray* BITCOINKERNEL_WARN_UNUSED_RESULT kernel_copy_script_sig_data(const kernel_TransactionScriptSig* script_sig) BITCOINKERNEL_ARG_NONNULL(1);
 
-BITCOINKERNEL_API bool BITCOINKERNEL_WARN_UNUSED_RESULT kernel_transaction_script_sig_is_push_only(const kernel_TransactionScriptSig* script_sig) BITCOINKERNEL_ARG_NONNULL(1);
+BITCOINKERNEL_API bool BITCOINKERNEL_WARN_UNUSED_RESULT kernel_script_sig_is_push_only(const kernel_TransactionScriptSig* script_sig) BITCOINKERNEL_ARG_NONNULL(1);
 
-BITCOINKERNEL_API bool BITCOINKERNEL_WARN_UNUSED_RESULT kernel_transaction_script_sig_is_empty(const kernel_TransactionScriptSig* script_sig) BITCOINKERNEL_ARG_NONNULL(1);
+BITCOINKERNEL_API bool BITCOINKERNEL_WARN_UNUSED_RESULT kernel_script_sig_is_empty(const kernel_TransactionScriptSig* script_sig) BITCOINKERNEL_ARG_NONNULL(1);
 
-BITCOINKERNEL_API void kernel_transaction_script_sig_destroy(kernel_TransactionScriptSig* script_sig) BITCOINKERNEL_ARG_NONNULL(1);
+BITCOINKERNEL_API uint32_t BITCOINKERNEL_WARN_UNUSED_RESULT kernel_transaction_input_get_n_sequence(const kernel_TransactionInput* input) BITCOINKERNEL_ARG_NONNULL(1);
 
+BITCOINKERNEL_API const kernel_TransactionWitness* BITCOINKERNEL_WARN_UNUSED_RESULT kernel_transaction_input_get_witness(const kernel_TransactionInput* input) BITCOINKERNEL_ARG_NONNULL(1);
 
+BITCOINKERNEL_API uint32_t BITCOINKERNEL_WARN_UNUSED_RESULT kernel_witness_get_stack_size(const kernel_TransactionWitness* witness) BITCOINKERNEL_ARG_NONNULL(1);
+
+BITCOINKERNEL_API kernel_ByteArray* BITCOINKERNEL_WARN_UNUSED_RESULT kernel_witness_get_stack_item(const kernel_TransactionWitness* witness, uint32_t index) BITCOINKERNEL_ARG_NONNULL(1);
+
+BITCOINKERNEL_API bool BITCOINKERNEL_WARN_UNUSED_RESULT kernel_witness_is_null(const kernel_TransactionWitness* witness) BITCOINKERNEL_ARG_NONNULL(1);
 
 #ifdef __cplusplus
 }