self.bindings_header = """
import * as version from './version.mjs';
+import { UInt5 } from './structs/CommonBase.mjs';
const imports: any = {};
imports.env = {};
var js_objs: Array<WeakRef<object>> = [];
var js_invoke: Function;
+var getRandomValues: Function;
imports.wasi_snapshot_preview1 = {
"fd_write": (fd: number, iovec_array_ptr: number, iovec_array_len: number) => {
},
"random_get": (buf_ptr: number, buf_len: number) => {
const buf = new Uint8Array(wasm.memory.buffer, buf_ptr, buf_len);
- crypto.getRandomValues(buf);
+ getRandomValues(buf);
return 0;
},
"environ_sizes_get": (environ_var_count_ptr: number, environ_len_ptr: number) => {
// This is called before fd_write to format + print panic messages
console.log("wasi_snapshot_preview1:environ_sizes_get");
const out_count_view = new Uint32Array(wasm.memory.buffer, environ_var_count_ptr, 1);
- out_count_view[0] = 1;
+ out_count_view[0] = 0;
const out_len_view = new Uint32Array(wasm.memory.buffer, environ_len_ptr, 1);
- out_len_view[0] = "RUST_BACKTRACE=1".length + 1; // Note that string must be NULL-terminated
+ out_len_view[0] = 0;
return 0;
},
"environ_get": (environ_ptr: number, environ_buf_ptr: number) => {
// This is called before fd_write to format + print panic messages
console.log("wasi_snapshot_preview1:environ_get");
- const out_ptrs = new Uint32Array(wasm.memory.buffer, environ_ptr, 2);
- out_ptrs[0] = environ_buf_ptr;
- out_ptrs[1] = "RUST_BACKTRACE=1".length;
- const out_environ = new Uint8Array(wasm.memory.buffer, environ_buf_ptr, out_ptrs[1]);
- for (var i = 0; i < out_ptrs[1]; i++) { out_environ[i] = "RUST_BACKTRACE=1".codePointAt(i); }
- out_environ[out_ptrs[1]] = 0;
- return 0;
+ return 58; // Note supported - we said there were 0 environment entries!
},
"proc_exit" : () => {
console.log("wasi_snapshot_preview1:proc_exit");
var wasm: any = null;
let isWasmInitialized: boolean = false;
-"""
- if target == Target.NODEJS:
- self.bindings_header += """import * as fs from 'fs';
-import { webcrypto as crypto } from 'crypto';
-/* @internal */
-export async function initializeWasm(path: string) {
- const source = fs.readFileSync(path);
- imports.env["js_invoke_function"] = js_invoke;
- const { instance: wasmInstance } = await WebAssembly.instantiate(source, imports);"""
- else:
- self.bindings_header += """
-/* @internal */
-export async function initializeWasm(uri: string) {
- const stream = fetch(uri);
- imports.env["js_invoke_function"] = js_invoke;
- const { instance: wasmInstance } = await WebAssembly.instantiateStreaming(stream, imports);"""
+async function finishInitializeWasm(wasmInstance: WebAssembly.Instance) {
+ if (typeof crypto === "undefined") {
+ var crypto_import = (await import('crypto')).webcrypto;
+ getRandomValues = crypto_import.getRandomValues.bind(crypto_import);
+ } else {
+ getRandomValues = crypto.getRandomValues.bind(crypto);
+ }
- self.bindings_header += """
wasm = wasmInstance.exports;
if (!wasm.test_bigint_pass_deadbeef0badf00d(BigInt("0xdeadbeef0badf00d"))) {
throw new Error(\"Currently need BigInt-as-u64 support, try ----experimental-wasm-bigint");
if (decodeString(wasm.TS_get_lib_version_string()) !== version.get_ldk_java_bindings_version())
throw new Error(\"Compiled LDK library and LDK class failes do not match\");
// Fetching the LDK versions from C also checks that the header and binaries match
- if (wasm.TS_get_ldk_c_bindings_version() == 0)
+ const c_bindings_ver: number = wasm.TS_get_ldk_c_bindings_version();
+ const ldk_ver: number = wasm.TS_get_ldk_version();
+ if (c_bindings_ver == 0)
throw new Error(\"LDK version did not match the header we built against\");
- if (wasm.TS_get_ldk_version() == 0)
+ if (ldk_ver == 0)
throw new Error(\"LDK C bindings version did not match the header we built against\");
- const c_bindings_version: string = decodeString(wasm.TS_get_ldk_c_bindings_version());
- const ldk_version: string = decodeString(wasm.TS_get_ldk_version());
+ const c_bindings_version: string = decodeString(c_bindings_ver)
+ const ldk_version: string = decodeString(ldk_ver);
console.log(\"Loaded LDK-Java Bindings with LDK \" + ldk_version + \" and LDK-C-Bindings \" + c_bindings_version);
isWasmInitialized = true;
-};
+}
+
+/* @internal */
+export async function initializeWasmFromUint8Array(wasmBinary: Uint8Array) {
+ imports.env["js_invoke_function"] = js_invoke;
+ const { instance: wasmInstance } = await WebAssembly.instantiate(wasmBinary, imports);
+ await finishInitializeWasm(wasmInstance);
+}
+/* @internal */
+export async function initializeWasmFetch(uri: string) {
+ const stream = fetch(uri);
+ imports.env["js_invoke_function"] = js_invoke;
+ const { instance: wasmInstance } = await WebAssembly.instantiateStreaming(stream, imports);
+ await finishInitializeWasm(wasmInstance);
+}"""
+
+ self.bindings_header += """
// WASM CODEC
-const nextMultipleOfFour = (value: number) => {
- return Math.ceil(value / 4) * 4;
+/* @internal */
+export function uint5ArrToBytes(inputArray: Array<UInt5>): Uint8Array {
+ const arr = new Uint8Array(inputArray.length);
+ for (var i = 0; i < inputArray.length; i++) {
+ arr[i] = inputArray[i].getVal();
+ }
+ return arr;
}
/* @internal */
return actualArrayViewer[idx];
}
+/* @internal */
+export function getU8ArrayElem(arrayPointer: number, idx: number): number {
+ const actualArrayViewer = new Uint8Array(wasm.memory.buffer, arrayPointer + 4, idx + 1);
+ return actualArrayViewer[idx];
+}
+
+
/* @internal */
export function encodeString(str: string): number {
const charArray = new TextEncoder().encode(str);
self.bindings_header += "/* @internal */ export function debugPrintRemainingAllocs() { }\n"
with open(outdir + "/index.mts", 'a') as index:
- index.write("""import { initializeWasm as bindingsInit } from './bindings.mjs';
-export function initializeWasm(path: string) {
- bindingsInit(path);
+ index.write("""import { initializeWasmFetch, initializeWasmFromUint8Array } from './bindings.mjs';
+/** Initializes the WASM backend by calling `fetch()` on the given URI - Browser only */
+export async function initializeWasmWebFetch(uri: string) {
+ await initializeWasmFetch(uri);
+}
+/** Initializes the WASM backend given a Uint8Array of the .wasm binary file - Browser or Node.JS */
+export async function initializeWasmFromBinary(bin: Uint8Array) {
+ await initializeWasmFromUint8Array(bin);
}
+
""")
self.bindings_version_file = """export function get_ldk_java_bindings_version(): String {
}
}
-export default class CommonBase {
+export class CommonBase {
protected ptr: number;
protected ptrs_to: object[] = [];
protected constructor(ptr: number, free_fn: (ptr: number) => void) {
finalizer.unregister(o);
}
}
+
+export class UInt5 {
+ public constructor(private val: number) {
+ if (val > 32 || val < 0) throw new Error("UInt5 value is out of range");
+ }
+ public getVal(): number {
+ return this.val;
+ }
+}
"""
self.txout_defn = """export class TxOut extends CommonBase {
}"""
self.hu_struct_file_prefix = """
-import CommonBase from './CommonBase.mjs';
+import { CommonBase, UInt5 } from './CommonBase.mjs';
import * as bindings from '../bindings.mjs'
"""
return None
def create_native_arr_call(self, arr_len, ty_info):
if ty_info.c_ty == "ptrArray":
- assert ty_info.subty is not None and ty_info.subty.c_ty.endswith("Array")
+ assert ty_info.rust_obj == "LDKCVec_u5Z" or (ty_info.subty is not None and ty_info.subty.c_ty.endswith("Array"))
return "init_" + ty_info.c_ty + "(" + arr_len + ", __LINE__)"
def set_native_arr_contents(self, arr_name, arr_len, ty_info):
if ty_info.c_ty == "int8_tArray":
def get_native_arr_contents(self, arr_name, dest_name, arr_len, ty_info, copy):
if ty_info.c_ty == "int8_tArray":
if copy:
- return "memcpy(" + dest_name + ", " + arr_name + "->elems, " + arr_len + ")"
+ return "memcpy(" + dest_name + ", " + arr_name + "->elems, " + arr_len + "); FREE(" + arr_name + ")"
if ty_info.c_ty == "ptrArray":
- return "(void*) " + arr_name + "->elems"
+ return "(void*) " + arr_name + "->elems /* XXX " + arr_name + " leaks */"
else:
assert not copy
- return arr_name + "->elems"
+ return arr_name + "->elems /* XXX " + arr_name + " leaks */"
def get_native_arr_elem(self, arr_name, idxc, ty_info):
assert False # Only called if above is None
def get_native_arr_ptr_call(self, ty_info):
return None
def map_hu_array_elems(self, arr_name, conv_name, arr_ty, elem_ty):
+ if elem_ty.rust_obj == "LDKu5":
+ return arr_name + " != null ? bindings.uint5ArrToBytes(" + arr_name + ") : null"
assert elem_ty.c_ty == "uint32_t" or elem_ty.c_ty.endswith("Array")
return arr_name + " != null ? " + arr_name + ".map(" + conv_name + " => " + elem_ty.from_hu_conv[0] + ") : null"
def get_java_arr_elem(self, elem_ty, arr_name, idx):
if elem_ty.c_ty == "uint32_t" or elem_ty.c_ty == "uintptr_t" or elem_ty.c_ty.endswith("Array"):
return "bindings.getU32ArrayElem(" + arr_name + ", " + idx + ")"
+ elif elem_ty.rust_obj == "LDKu5":
+ return "bindings.getU8ArrayElem(" + arr_name + ", " + idx + ")"
else:
assert False
def constr_hu_array(self, ty_info, arr_len):
for fn_line in field_function_lines:
java_method_descriptor = ""
if fn_line.fn_name != "free" and fn_line.fn_name != "cloned":
+ out_java_interface += "\t/**" + fn_line.docs.replace("\n", "\n\t * ") + "\n\t */\n"
out_java_interface += "\t" + fn_line.fn_name + "("
out_interface_implementation_overrides += f"\t\t\t{fn_line.fn_name} ("
out_interface_implementation_overrides += "\t\t\t\treturn ret;\n"
out_interface_implementation_overrides += f"\t\t\t}},\n"
+ formatted_trait_docs = trait_doc_comment.replace("\n", "\n * ")
out_typescript_human = f"""
{self.hu_struct_file_prefix}
+/** An implementation of {struct_name.replace("LDK","")} */
export interface {struct_name.replace("LDK", "")}Interface {{
{out_java_interface}}}
held: {struct_name.replace("LDK", "")};
}}
+/**
+ * {formatted_trait_docs}
+ */
export class {struct_name.replace("LDK","")} extends CommonBase {{
/* @internal */
public bindings_instance?: bindings.{struct_name};
this.bindings_instance = null;
}}
- static new_impl(arg: {struct_name.replace("LDK", "")}Interface{impl_constructor_arguments}): {struct_name.replace("LDK", "")} {{
+ /** Creates a new instance of {struct_name.replace("LDK","")} from a given implementation */
+ public static new_impl(arg: {struct_name.replace("LDK", "")}Interface{impl_constructor_arguments}): {struct_name.replace("LDK", "")} {{
const impl_holder: {struct_name}Holder = new {struct_name}Holder();
let structImplementation = {{
{out_interface_implementation_overrides} }} as bindings.{struct_name};
impl_holder.held.bindings_instance = structImplementation;
{pointer_to_adder} return impl_holder.held;
}}
+
"""
self.obj_defined([struct_name.replace("LDK", ""), struct_name.replace("LDK", "") + "Interface"], "structs")
out_java_enum += (self.hu_struct_file_prefix)
- java_hu_class = ""
+ java_hu_class = "/**\n * " + enum_doc_comment.replace("\n", "\n * ") + "\n */\n"
java_hu_class += "export class " + java_hu_type + " extends CommonBase {\n"
java_hu_class += "\tprotected constructor(_dummy: object, ptr: number) { super(ptr, bindings." + bindings_type + "_free); }\n"
java_hu_class += "\t/* @internal */\n"
out_java += "\tprotected constructor() {}\n"
var_idx = 0
for var in variant_list:
- java_hu_subclasses = java_hu_subclasses + "export class " + java_hu_type + "_" + var.var_name + " extends " + java_hu_type + " {\n"
+ java_hu_subclasses += "/** A " + java_hu_type + " of type " + var.var_name + " */\n"
+ java_hu_subclasses += "export class " + java_hu_type + "_" + var.var_name + " extends " + java_hu_type + " {\n"
java_hu_class += f"\t\t\tcase {var_idx}: "
java_hu_class += "return new " + java_hu_type + "_" + var.var_name + "(ptr);\n"
out_c += f"\t\tcase {struct_name}_{var.var_name}: return {var_idx};\n"
hu_conv_body = ""
for idx, (field_ty, field_docs) in enumerate(var.fields):
- java_hu_subclasses = java_hu_subclasses + "\tpublic " + field_ty.arg_name + f": {field_ty.java_hu_ty};\n"
+ if field_docs is not None:
+ java_hu_subclasses += "\t/**\n\t * " + field_docs.replace("\n", "\n\t * ") + "\n\t */\n"
+ java_hu_subclasses += "\tpublic " + field_ty.arg_name + f": {field_ty.java_hu_ty};\n"
if field_ty.to_hu_conv is not None:
hu_conv_body += f"\t\tconst {field_ty.arg_name}: {field_ty.java_ty} = bindings.{struct_name}_{var.var_name}_get_{field_ty.arg_name}(ptr);\n"
hu_conv_body += f"\t\t" + field_ty.to_hu_conv.replace("\n", "\n\t\t\t") + "\n"
out_opaque_struct_human = f"{self.hu_struct_file_prefix}"
if struct_name.startswith("LDKLocked"):
out_opaque_struct_human += "/** XXX: DO NOT USE THIS - it remains locked until the GC runs (if that ever happens */"
+ formatted_doc_comment = struct_doc_comment.replace("\n", "\n * ")
out_opaque_struct_human += f"""
+/**
+ * {formatted_doc_comment}
+ */
export class {hu_name} extends CommonBase {implementations}{{
/* @internal */
public constructor(_dummy: object, ptr: number) {{
out_java = self.fn_call_body(method_name, return_type_info.c_ty, return_type_info.java_ty, method_argument_string, native_call_argument_string)
out_java_struct = ""
+ if doc_comment is not None:
+ out_java_struct = "\t/**\n\t * " + doc_comment.replace("\n", "\n\t * ") + "\n\t */\n"
+
if not args_known:
out_java_struct += ("\t// Skipped " + method_name + "\n")
else:
projects / ldk-java / blobdiff