self.bindings_header = """
import * as version from './version.mjs';
+import { UInt5, WitnessVersion } 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) => {
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\");
+ throw new Error(\"Compiled LDK library and LDK class files do not match\");
// Fetching the LDK versions from C also checks that the header and binaries match
const c_bindings_ver: number = wasm.TS_get_ldk_c_bindings_version();
const ldk_ver: number = wasm.TS_get_ldk_version();
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_u"] = js_invoke;
+ imports.env["js_invoke_function_b"] = 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_u"] = js_invoke;
+ imports.env["js_invoke_function_b"] = 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 */
+export function WitnessVersionArrToBytes(inputArray: Array<WitnessVersion>): Uint8Array {
+ const arr = new Uint8Array(inputArray.length);
+ for (var i = 0; i < inputArray.length; i++) {
+ arr[i] = inputArray[i].getVal();
+ }
+ return arr;
+}
+
+
+
/* @internal */
export function encodeUint8Array (inputArray: Uint8Array): number {
const cArrayPointer = wasm.TS_malloc(inputArray.length + 4);
/* @internal */
export function check_arr_len(arr: Uint8Array, len: number): Uint8Array {
- if (arr.length != len) { throw new Error("Expected array of length " + len + "got " + arr.length); }
+ if (arr.length != len) { throw new Error("Expected array of length " + len + " got " + arr.length); }
return arr;
}
}
return actualArray;
}
-
+/* @internal */
+export function decodeUint64Array (arrayPointer: number, free = true): bigint[] {
+ const arraySize = getArrayLength(arrayPointer);
+ const actualArrayViewer = new BigUint64Array(
+ wasm.memory.buffer, // value
+ arrayPointer + 4, // offset (ignoring length bytes)
+ arraySize // uint32 count
+ );
+ // Clone the contents, TODO: In the future we should wrap the Viewer in a class that
+ // will free the underlying memory when it becomes unreachable instead of copying here.
+ const actualArray = new Array(arraySize);
+ for (var i = 0; i < arraySize; i++) actualArray[i] = actualArrayViewer[i];
+ if (free) {
+ wasm.TS_free(arrayPointer);
+ }
+ return actualArray;
+}
export function freeWasmMemory(pointer: number) { wasm.TS_free(pointer); }
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;
+ }
+}
+
+export class WitnessVersion {
+ public constructor(private val: number) {
+ if (val > 16 || val < 0) throw new Error("WitnessVersion value is out of range");
+ }
+ public getVal(): number {
+ return this.val;
+ }
+}
+
+export class UnqualifiedError {
+ public constructor(val: number) {}
+}
"""
self.txout_defn = """export class TxOut extends CommonBase {
}"""
self.hu_struct_file_prefix = """
-import CommonBase from './CommonBase.mjs';
+import { CommonBase, UInt5, WitnessVersion, UnqualifiedError } 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":
if ty_info.c_ty == "int8_tArray":
if copy:
return "memcpy(" + dest_name + ", " + arr_name + "->elems, " + arr_len + "); FREE(" + arr_name + ")"
+ assert not copy
if ty_info.c_ty == "ptrArray":
- return "(void*) " + arr_name + "->elems /* XXX " + arr_name + " leaks */"
+ return "(void*) " + arr_name + "->elems"
else:
- assert not copy
- return arr_name + "->elems /* XXX " + arr_name + " leaks */"
+ return arr_name + "->elems"
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 cleanup_native_arr_ref_contents(self, arr_name, dest_name, arr_len, ty_info):
if ty_info.c_ty == "int8_tArray":
- return None
+ return "FREE(" + arr_name + ");"
else:
- return None
+ return "FREE(" + arr_name + ")"
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):
assert False
def primitive_arr_to_hu(self, mapped_ty, fixed_len, arr_name, conv_name):
- assert mapped_ty.c_ty == "uint8_t" or mapped_ty.c_ty == "int8_t"
- return "const " + conv_name + ": Uint8Array = bindings.decodeUint8Array(" + arr_name + ");"
+ if mapped_ty.c_ty == "uint8_t" or mapped_ty.c_ty == "int8_t":
+ return "const " + conv_name + ": Uint8Array = bindings.decodeUint8Array(" + arr_name + ");"
+ elif mapped_ty.c_ty == "uint64_t" or mapped_ty.c_ty == "int64_t":
+ return "const " + conv_name + ": bigint[] = bindings.decodeUint64Array(" + arr_name + ");"
+ else:
+ assert False
def var_decl_statement(self, ty_string, var_name, statement):
return "const " + var_name + ": " + ty_string + " = " + statement
with open(self.outdir + "/imports.mts.part", 'a') as imports:
imports.write(f"import {{ {', '.join(struct_names)} }} from '../{folder}/{struct_names[0]}.mjs';\n")
+ def fully_qualified_hu_ty_path(self, ty):
+ return ty.java_hu_ty
+
def native_c_unitary_enum_map(self, struct_name, variants, enum_doc_comment):
out_c = "static inline LDK" + struct_name + " LDK" + struct_name + "_from_js(int32_t ord) {\n"
out_c = out_c + "\tswitch (ord) {\n"
out_c = out_c + "\t}\n"
out_c = out_c + "}\n"
+ # Note that this is *not* marked /* @internal */ as we re-expose it directly in enums/
+ enum_comment_formatted = enum_doc_comment.replace("\n", "\n * ")
out_typescript = f"""
-/* @internal */
+/**
+ * {enum_comment_formatted}
+ */
export enum {struct_name} {{
{out_typescript_enum_fields}
}}
out_c = out_c + arg_info.arg_name
out_c = out_c + arg_info.ret_conv[1].replace('\n', '\n\t') + "\n"
+ fn_suffix = ""
+ if fn_line.ret_ty_info.c_ty == "uint64_t" or fn_line.ret_ty_info.c_ty == "int64_t":
+ fn_suffix += "b_"
+ else:
+ fn_suffix += "u_"
+ for arg in fn_line.args_ty:
+ if arg_info.c_ty == "uint64_t" or arg_info.c_ty == "int64_t":
+ fn_suffix += "b"
+ else:
+ fn_suffix += "u"
if fn_line.ret_ty_info.c_ty.endswith("Array"):
out_c += "\t" + fn_line.ret_ty_info.c_ty + " ret = (" + fn_line.ret_ty_info.c_ty + ")"
- out_c += "js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->instance_ptr, " + str(self.function_ptr_counter)
+ out_c += "js_invoke_function_" + fn_suffix + "(j_calls->instance_ptr, " + str(self.function_ptr_counter)
elif fn_line.ret_ty_info.java_ty == "void":
- out_c = out_c + "\tjs_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->instance_ptr, " + str(self.function_ptr_counter)
+ out_c = out_c + "\tjs_invoke_function_" + fn_suffix + "(j_calls->instance_ptr, " + str(self.function_ptr_counter)
elif fn_line.ret_ty_info.java_hu_ty == "string":
- out_c = out_c + "\tjstring ret = (jstring)js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->instance_ptr, " + str(self.function_ptr_counter)
+ out_c += "\tjstring ret = (jstring)js_invoke_function_" + fn_suffix + "(j_calls->instance_ptr, " + str(self.function_ptr_counter)
elif not fn_line.ret_ty_info.passed_as_ptr:
- out_c = out_c + "\treturn js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->instance_ptr, " + str(self.function_ptr_counter)
+ out_c += "\treturn js_invoke_function_" + fn_suffix + "(j_calls->instance_ptr, " + str(self.function_ptr_counter)
else:
- out_c = out_c + "\tuint32_t ret = js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->instance_ptr, " + str(self.function_ptr_counter)
+ out_c += "\tuint32_t ret = js_invoke_function_" + fn_suffix + "(j_calls->instance_ptr, " + str(self.function_ptr_counter)
self.function_ptrs[self.function_ptr_counter] = (struct_name, fn_line.fn_name)
self.function_ptr_counter += 1
return (out_typescript_bindings, out_typescript_human, out_c)
def trait_struct_inc_refcnt(self, ty_info):
- return ""
+ base_conv = "\nif (" + ty_info.var_name + "_conv.free == " + ty_info.rust_obj + "_JCalls_free) {\n"
+ base_conv = base_conv + "\t// If this_arg is a JCalls struct, then we need to increment the refcnt in it.\n"
+ base_conv = base_conv + "\t" + ty_info.rust_obj + "_JCalls_cloned(&" + ty_info.var_name + "_conv);\n}"
+ return base_conv
def map_complex_enum(self, struct_name, variant_list, camel_to_snake, enum_doc_comment):
bindings_type = struct_name.replace("LDK", "")
hu_name = struct_name.replace("LDKC2Tuple", "TwoTuple").replace("LDKC3Tuple", "ThreeTuple").replace("LDK", "")
out_opaque_struct_human = f"{self.hu_struct_file_prefix}"
- if struct_name.startswith("LDKLocked"):
+ if struct_name.startswith("LDKLocked") or struct_name.startswith("LDKReadOnly"):
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"""
with open(self.outdir + "/bindings.mts", "a") as bindings:
bindings.write("""
-js_invoke = function(obj_ptr: number, fn_id: number, arg1: number, arg2: number, arg3: number, arg4: number, arg5: number, arg6: number, arg7: number, arg8: number, arg9: number, arg10: number) {
+js_invoke = function(obj_ptr: number, fn_id: number, arg1: bigint|number, arg2: bigint|number, arg3: bigint|number, arg4: bigint|number, arg5: bigint|number, arg6: bigint|number, arg7: bigint|number, arg8: bigint|number, arg9: bigint|number, arg10: bigint|number) {
const weak: WeakRef<object> = js_objs[obj_ptr];
if (weak == null || weak == undefined) {
console.error("Got function call on unknown/free'd JS object!");
console.error("Got function call on incorrect JS object!");
throw new Error("Got function call on incorrect JS object!");
}
- return fn.value.bind(obj)(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10);
+ const ret = fn.value.bind(obj)(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10);
+ if (ret === undefined || ret === null) return BigInt(0);
+ return BigInt(ret);
}""")
projects / ldk-java / blobdiff