class Target(Enum):
JAVA = 1,
ANDROID = 2
+ MACOS = 3
class Consts:
def __init__(self, DEBUG: bool, target: Target, **kwargs):
uint16_t = ['short'],
uint32_t = ['int'],
uint64_t = ['long'],
+ int64_t = ['long'],
)
self.java_type_map = dict(
String = "String"
}
}"""
+ self.txin_defn = """public class TxIn extends CommonBase {
+ /** The witness in this input, in serialized form */
+ public final byte[] witness;
+ /** The script_sig in this input */
+ public final byte[] script_sig;
+ /** The transaction output's sequence number */
+ public final int sequence;
+ /** The txid this input is spending */
+ public final byte[] previous_txid;
+ /** The output index within the spent transaction of the output this input is spending */
+ public final int previous_vout;
+
+ TxIn(java.lang.Object _dummy, long ptr) {
+ super(ptr);
+ this.witness = bindings.TxIn_get_witness(ptr);
+ this.script_sig = bindings.TxIn_get_script_sig(ptr);
+ this.sequence = bindings.TxIn_get_sequence(ptr);
+ this.previous_txid = bindings.TxIn_get_previous_txid(ptr);
+ this.previous_vout = bindings.TxIn_get_previous_vout(ptr);
+ }
+ /** Constructs a new TxIn, note that previous_txid must be exactly 32 bytes */
+ public TxIn(byte[] witness, byte[] script_sig, int sequence, byte[] previous_txid, int previous_vout) {
+ this(null, bindings.TxIn_new(witness, script_sig, sequence, previous_txid, previous_vout));
+ }
+
+ @Override @SuppressWarnings(\"deprecation\")
+ protected void finalize() throws Throwable {
+ super.finalize();
+ if (ptr != 0) { bindings.TxIn_free(ptr); }
+ }
+}"""
+
self.scalar_defn = """public class BigEndianScalar extends CommonBase {
/** The bytes of the scalar value, in big endian */
public final byte[] scalar_bytes;
else:
self.c_file_pfx = self.c_file_pfx + "#define DEBUG_PRINT(...) fprintf(stderr, __VA_ARGS__)\n"
- if not DEBUG or sys.platform == "darwin":
+ if not DEBUG or self.target == Target.MACOS:
self.c_file_pfx = self.c_file_pfx + """#define MALLOC(a, _) malloc(a)
#define FREE(p) if ((uint64_t)(p) > 4096) { free(p); }
#define CHECK_ACCESS(p)
}
"""
- if sys.platform != "darwin":
+ if self.target != Target.MACOS:
self.c_file_pfx += """
// Running a leak check across all the allocations and frees of the JDK is a mess,
// so instead we implement our own naive leak checker here, relying on the -wrap
clz_var = ty_info.java_fn_ty_arg[1:].replace("[", "arr_of_")
self.c_array_class_caches.add(clz_var)
return "(*env)->NewObjectArray(env, " + arr_len + ", " + clz_var + "_clz, NULL);\n"
+ elif ty_info.subty.c_ty == "jstring":
+ return "(*env)->NewObjectArray(env, " + arr_len + ", String_clz, NULL);\n"
else:
return "(*env)->New" + ty_info.java_ty.strip("[]").title() + "Array(env, " + arr_len + ")"
def set_native_arr_contents(self, arr_name, arr_len, ty_info):
else:
assert False
def get_native_arr_contents(self, arr_name, dest_name, arr_len, ty_info, copy):
+ if "String" in ty_info.java_ty:
+ return None
if ty_info.c_ty == "int8_tArray" or ty_info.c_ty == "int16_tArray":
fn_ty = "Byte" if ty_info.c_ty == "int8_tArray" else "Short"
if copy:
res = ""
for ty in sorted(self.c_array_class_caches):
res = res + "static jclass " + ty + "_clz = NULL;\n"
+ res = res + "static jclass String_clz = NULL;\n"
res = res + "JNIEXPORT void Java_org_ldk_impl_bindings_init_1class_1cache(JNIEnv * env, jclass clz) {\n"
for ty in sorted(self.c_array_class_caches):
res = res + "\t" + ty + "_clz = (*env)->FindClass(env, \"" + ty.replace("arr_of_", "[") + "\");\n"
res = res + "\tCHECK(" + ty + "_clz != NULL);\n"
res = res + "\t" + ty + "_clz = (*env)->NewGlobalRef(env, " + ty + "_clz);\n"
+ res = res + "\tString_clz = (*env)->FindClass(env, \"java/lang/String\");\n"
+ res = res + "\tCHECK(String_clz != NULL);\n"
+ res = res + "\tString_clz = (*env)->NewGlobalRef(env, String_clz);\n"
+
res = res + "}\n"
return res
out_java_trait = out_java_trait + "\t\t" + var.from_hu_conv[1].replace("\n", "\n\t\t") + ";\n"
else:
out_java_trait = out_java_trait + "\t\tthis.ptrs_to.add(" + var[1] + ");\n"
- out_java_trait = out_java_trait + "\t\tthis.bindings_instance = arg;\n"
- out_java_trait = out_java_trait + "\t}\n"
- out_java_trait = out_java_trait + "\t@Override @SuppressWarnings(\"deprecation\")\n"
- out_java_trait = out_java_trait + "\tprotected void finalize() throws Throwable {\n"
- out_java_trait = out_java_trait + "\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n"
- out_java_trait = out_java_trait + "\t}\n\n"
+ out_java_trait += f""" this.bindings_instance = arg;
+ }}
+ @Override @SuppressWarnings("deprecation")
+ protected void finalize() throws Throwable {{
+ if (ptr != 0) {{ bindings.{struct_name.replace("LDK","")}_free(ptr); }} super.finalize();
+ }}
+ /**
+ * Destroys the object, freeing associated resources. After this call, any access
+ * to this object may result in a SEGFAULT or worse.
+ *
+ * You should generally NEVER call this method. You should let the garbage collector
+ * do this for you when it finalizes objects. However, it may be useful for types
+ * which represent locks and should be closed immediately to avoid holding locks
+ * until the GC runs.
+ */
+ public void destroy() {{
+ if (ptr != 0) {{ bindings.{struct_name.replace("LDK","")}_free(ptr); }}
+ ptr = 0;
+ }}
+"""
java_trait_constr = "\tprivate static class " + struct_name + "Holder { " + struct_name.replace("LDK", "") + " held; }\n"
java_trait_constr = java_trait_constr + "\tpublic static " + struct_name.replace("LDK", "") + " new_impl(" + struct_name.replace("LDK", "") + "Interface arg"
extra_java_struct_out += "\t\tif (!(o instanceof " + struct_meth + ")) return false;\n"
extra_java_struct_out += "\t\treturn this.eq((" + struct_meth + ")o);\n"
extra_java_struct_out += "\t}\n"
+ if meth_n == "wait":
+ meth_n = "wait_indefinite"
out_java_struct += ("\tpublic " + return_type_info.java_hu_ty + " " + meth_n + "(")
for idx, arg in enumerate(argument_types):
if idx != 0: