From: Matt Corallo <git@bluematt.me>
Date: Fri, 23 Oct 2020 20:55:57 +0000 (-0400)
Subject: Add ability to get serialized transaction bytes
X-Git-Tag: v0.0.1~88
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=00002bc824325a7a1310027da9f39541fd8e14ff;p=ldk-java

Add ability to get serialized transaction bytes
---

diff --git a/genbindings.py b/genbindings.py
index 22bca7cb..3283b307 100755
--- a/genbindings.py
+++ b/genbindings.py
@@ -1447,6 +1447,7 @@ public class bindings {
 	public static native long bytes_to_u8_vec(byte[] bytes);
 	public static native long new_txpointer_copy_data(byte[] txdata);
 	public static native void txpointer_free(long ptr);
+	public static native byte[] txpointer_get_buffer(long ptr);
 	public static native long vec_slice_len(long vec);
 	public static native long new_empty_slice_vec();
 
@@ -1491,6 +1492,13 @@ JNIEXPORT long JNICALL Java_org_ldk_impl_bindings_bytes_1to_1u8_1vec (JNIEnv * _
 	(*_env)->GetByteArrayRegion (_env, bytes, 0, vec->datalen, vec->data);
 	return (long)vec;
 }
+JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_txpointer_1get_1buffer (JNIEnv * env, jclass _b, jlong ptr) {
+	LDKTransaction *txdata = (LDKTransaction*)ptr;
+	LDKu8slice slice;
+	slice.data = txdata->data;
+	slice.datalen = txdata->datalen;
+	return Java_org_ldk_impl_bindings_get_1u8_1slice_1bytes(env, _b, (long)&slice);
+}
 JNIEXPORT long JNICALL Java_org_ldk_impl_bindings_new_1txpointer_1copy_1data (JNIEnv * env, jclass _b, jbyteArray bytes) {
 	LDKTransaction *txdata = (LDKTransaction*)MALLOC(sizeof(LDKTransaction), "LDKTransaction");
 	txdata->datalen = (*env)->GetArrayLength(env, bytes);
@@ -1763,6 +1771,7 @@ class CommonBase {
                         out_java_struct.write("\tTransaction(java.lang.Object _dummy, long ptr) { super(ptr); }\n")
                         out_java_struct.write("\tpublic Transaction(byte[] data) { super(bindings.new_txpointer_copy_data(data)); }\n")
                         out_java_struct.write("\t@Override public void finalize() throws Throwable { super.finalize(); bindings.txpointer_free(ptr); }\n")
+                        out_java_struct.write("\tpublic byte[] get_contents() { return bindings.txpointer_get_buffer(ptr); }\n")
                         # TODO: Transaction body
                         out_java_struct.write("}")
                 else:
diff --git a/src/main/java/org/ldk/impl/bindings.java b/src/main/java/org/ldk/impl/bindings.java
index d62f0866..140c58ad 100644
--- a/src/main/java/org/ldk/impl/bindings.java
+++ b/src/main/java/org/ldk/impl/bindings.java
@@ -24,6 +24,7 @@ public class bindings {
 	public static native long bytes_to_u8_vec(byte[] bytes);
 	public static native long new_txpointer_copy_data(byte[] txdata);
 	public static native void txpointer_free(long ptr);
+	public static native byte[] txpointer_get_buffer(long ptr);
 	public static native long vec_slice_len(long vec);
 	public static native long new_empty_slice_vec();
 
diff --git a/src/main/java/org/ldk/structs/Transaction.java b/src/main/java/org/ldk/structs/Transaction.java
index 91f19373..9c90b3c0 100644
--- a/src/main/java/org/ldk/structs/Transaction.java
+++ b/src/main/java/org/ldk/structs/Transaction.java
@@ -10,4 +10,5 @@ public class Transaction extends CommonBase{
 	Transaction(java.lang.Object _dummy, long ptr) { super(ptr); }
 	public Transaction(byte[] data) { super(bindings.new_txpointer_copy_data(data)); }
 	@Override public void finalize() throws Throwable { super.finalize(); bindings.txpointer_free(ptr); }
+	public byte[] get_contents() { return bindings.txpointer_get_buffer(ptr); }
 }
\ No newline at end of file
diff --git a/src/main/jni/bindings.c b/src/main/jni/bindings.c
index ed414a5d..27a8e615 100644
--- a/src/main/jni/bindings.c
+++ b/src/main/jni/bindings.c
@@ -152,6 +152,13 @@ JNIEXPORT long JNICALL Java_org_ldk_impl_bindings_bytes_1to_1u8_1vec (JNIEnv * _
 	(*_env)->GetByteArrayRegion (_env, bytes, 0, vec->datalen, vec->data);
 	return (long)vec;
 }
+JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_txpointer_1get_1buffer (JNIEnv * env, jclass _b, jlong ptr) {
+	LDKTransaction *txdata = (LDKTransaction*)ptr;
+	LDKu8slice slice;
+	slice.data = txdata->data;
+	slice.datalen = txdata->datalen;
+	return Java_org_ldk_impl_bindings_get_1u8_1slice_1bytes(env, _b, (long)&slice);
+}
 JNIEXPORT long JNICALL Java_org_ldk_impl_bindings_new_1txpointer_1copy_1data (JNIEnv * env, jclass _b, jbyteArray bytes) {
 	LDKTransaction *txdata = (LDKTransaction*)MALLOC(sizeof(LDKTransaction), "LDKTransaction");
 	txdata->datalen = (*env)->GetArrayLength(env, bytes);
diff --git a/src/main/jni/org_ldk_impl_bindings.h b/src/main/jni/org_ldk_impl_bindings.h
index cde70db8..0f706f4e 100644
--- a/src/main/jni/org_ldk_impl_bindings.h
+++ b/src/main/jni/org_ldk_impl_bindings.h
@@ -79,6 +79,14 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_new_1txpointer_1copy_1data
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_txpointer_1free
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    txpointer_get_buffer
+ * Signature: (J)[B
+ */
+JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_txpointer_1get_1buffer
+  (JNIEnv *, jclass, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    vec_slice_len