Squashed 'libbitcoinkernel-sys/bitcoin/' changes from b04e178cd3ca..53258393b2b6

53258393b2b6 change install directory for kernel
ee2e1fa622e0 kernel/blockreader
REVERT: b04e178cd3ca change install directory for kernel
REVERT: 36bba0408321 kernel/blockreader

git-subtree-dir: libbitcoinkernel-sys/bitcoin
git-subtree-split: 53258393b2b69188dcfdaa32dc610cbb5ed22187

Author: alexanderwiederin

src/kernel/bitcoinkernel.h

@@ -123,6 +123,13 @@ typedef struct kernel_ScriptPubkey kernel_ScriptPubkey;
  */
 typedef struct kernel_TransactionOutput kernel_TransactionOutput;
 
+/**
+ * Opaque data structure for holding a transaction input.
+ */
+
+typedef struct kernel_TransactionInput kernel_TransactionInput;
+
+
 /**
  * Opaque data structure for holding a logging connection.
  *

src/kernel/blockreader/blockreader.cpp

@@ -49,6 +49,11 @@ const CBlock* cast_const_block_pointer(const kernel_BlockPointer* block_pointer)
     return reinterpret_cast<const CBlock*>(block_pointer);
 }
 
+const CTransaction* cast_const_transaction(const kernel_Transaction* transaction)
+{
+    return reinterpret_cast<const CTransaction*>(transaction);
+}
+
 kernel_blockreader_IBDStatus cast_ibd_status(IBDStatus status)
 {
     switch (status) {
@@ -394,5 +399,19 @@ const kernel_Transaction* kernel_block_pointer_get_transaction(const kernel_Bloc
     return reinterpret_cast<const kernel_Transaction*>(block->vtx[index].get());
 }
 
+uint32_t kernel_transaction_get_transaction_input_count(const kernel_Transaction * _transaction)
+{
+    const auto* transaction = cast_const_transaction(_transaction);
+    return transaction->vin.size();
+}
+
+const kernel_TransactionInput* kernel_transaction_get_transaction_input(const kernel_Transaction* _transaction, size_t index)
+{
+    const auto* transaction = cast_const_transaction(_transaction);
+    if (index >= transaction->vin.size()) {
+        return nullptr;
+    }
+    return reinterpret_cast<const kernel_TransactionInput*>(&transaction->vin[index]);
+}
 
 } // extern "C"

src/kernel/blockreader/blockreader.h

@@ -107,7 +107,11 @@ BITCOINKERNEL_API kernel_BlockPointer* BITCOINKERNEL_WARN_UNUSED_RESULT kernel_b
 
 BITCOINKERNEL_API uint32_t BITCOINKERNEL_WARN_UNUSED_RESULT kernel_block_pointer_get_transaction_count(const kernel_BlockPointer* block_pointer) BITCOINKERNEL_ARG_NONNULL(1);
 
-BITCOINKERNEL_API kernel_Transaction* BITCOINKERNEL_WARN_UNUSED_RESULT kernel_block_pointer_get_transaction(const kernel_BlockPointer* block_pointer, size_t index) BITCOINKERNEL_ARG_NONNULL(1);
+BITCOINKERNEL_API const kernel_Transaction* BITCOINKERNEL_WARN_UNUSED_RESULT kernel_block_pointer_get_transaction(const kernel_BlockPointer* block_pointer, size_t index) BITCOINKERNEL_ARG_NONNULL(1);
+
+BITCOINKERNEL_API uint32_t BITCOINKERNEL_WARN_UNUSED_RESULT kernel_transaction_get_transaction_input_count(const kernel_Transaction* transaction) BITCOINKERNEL_ARG_NONNULL(1);
+
+BITCOINKERNEL_API const kernel_TransactionInput* BITCOINKERNEL_WARN_UNUSED_RESULT kernel_transaction_get_transaction_input(const kernel_Transaction*, size_t index) BITCOINKERNEL_ARG_NONNULL(1);
 
 #ifdef __cplusplus
 }