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= "0.4.3" +ripemd = "0.1.3" +sha2 = "0.10.8" +wasm-bindgen = "0.2.95" + +[lib] +crate-type = ["cdylib"] + diff --git a/pkg/.gitignore b/pkg/.gitignore new file mode 100644 index 0000000..f59ec20 --- /dev/null +++ b/pkg/.gitignore @@ -0,0 +1 @@ +* \ No newline at end of file diff --git a/pkg/bitcoin_hashing_wasm.d.ts b/pkg/bitcoin_hashing_wasm.d.ts new file mode 100644 index 0000000..61c79d7 --- /dev/null +++ b/pkg/bitcoin_hashing_wasm.d.ts @@ -0,0 +1,51 @@ +/* tslint:disable */ +/* eslint-disable */ +/** + * @param {Uint8Array} input + * @returns {Uint8Array} + */ +export function sha256(input: Uint8Array): Uint8Array; +/** + * @param {Uint8Array} input + * @returns {Uint8Array} + */ +export function ripemd160(input: Uint8Array): Uint8Array; +/** + * @param {string} public_key_hex + * @returns {string} + */ +export function generate_bitcoin_address(public_key_hex: string): string; + +export type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module; + +export interface InitOutput { + readonly memory: WebAssembly.Memory; + readonly sha256: (a: number, b: number, c: number) => void; + readonly ripemd160: (a: number, b: number, c: number) => void; + readonly generate_bitcoin_address: (a: number, b: number, c: number) => void; + readonly __wbindgen_add_to_stack_pointer: (a: number) => number; + readonly __wbindgen_malloc: (a: number, b: number) => number; + readonly __wbindgen_free: (a: number, b: number, c: number) => void; + readonly __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number; +} + +export type SyncInitInput = BufferSource | WebAssembly.Module; +/** +* Instantiates the given `module`, which can either be bytes or +* a precompiled `WebAssembly.Module`. +* +* @param {{ module: SyncInitInput }} module - Passing `SyncInitInput` directly is deprecated. +* +* @returns {InitOutput} +*/ +export function initSync(module: { module: SyncInitInput } | SyncInitInput): InitOutput; + +/** +* If `module_or_path` is {RequestInfo} or {URL}, makes a request and +* for everything else, calls `WebAssembly.instantiate` directly. +* +* @param {{ module_or_path: InitInput | Promise }} module_or_path - Passing `InitInput` directly is deprecated. +* +* @returns {Promise} +*/ +export default function __wbg_init (module_or_path?: { module_or_path: InitInput | Promise } | InitInput | Promise): Promise; diff --git a/pkg/bitcoin_hashing_wasm.js b/pkg/bitcoin_hashing_wasm.js new file mode 100644 index 0000000..63ed5af --- /dev/null +++ b/pkg/bitcoin_hashing_wasm.js @@ -0,0 +1,266 @@ +let wasm; + +let cachedUint8ArrayMemory0 = null; + +function getUint8ArrayMemory0() { + if (cachedUint8ArrayMemory0 === null || cachedUint8ArrayMemory0.byteLength === 0) { + cachedUint8ArrayMemory0 = new Uint8Array(wasm.memory.buffer); + } + return cachedUint8ArrayMemory0; +} + +let WASM_VECTOR_LEN = 0; + +function passArray8ToWasm0(arg, malloc) { + const ptr = malloc(arg.length * 1, 1) >>> 0; + getUint8ArrayMemory0().set(arg, ptr / 1); + WASM_VECTOR_LEN = arg.length; + return ptr; +} + +let cachedDataViewMemory0 = null; + +function getDataViewMemory0() { + if (cachedDataViewMemory0 === null || cachedDataViewMemory0.buffer.detached === true || (cachedDataViewMemory0.buffer.detached === undefined && cachedDataViewMemory0.buffer !== wasm.memory.buffer)) { + cachedDataViewMemory0 = new DataView(wasm.memory.buffer); + } + return cachedDataViewMemory0; +} + +function getArrayU8FromWasm0(ptr, len) { + ptr = ptr >>> 0; + return getUint8ArrayMemory0().subarray(ptr / 1, ptr / 1 + len); +} +/** + * @param {Uint8Array} input + * @returns {Uint8Array} + */ +export function sha256(input) { + try { + const retptr = wasm.__wbindgen_add_to_stack_pointer(-16); + const ptr0 = passArray8ToWasm0(input, wasm.__wbindgen_malloc); + const len0 = WASM_VECTOR_LEN; + wasm.sha256(retptr, ptr0, len0); + var r0 = getDataViewMemory0().getInt32(retptr + 4 * 0, true); + var r1 = getDataViewMemory0().getInt32(retptr + 4 * 1, true); + var v2 = getArrayU8FromWasm0(r0, r1).slice(); + wasm.__wbindgen_free(r0, r1 * 1, 1); + return v2; + } finally { + wasm.__wbindgen_add_to_stack_pointer(16); + } +} + +/** + * @param {Uint8Array} input + * @returns {Uint8Array} + */ +export function ripemd160(input) { + try { + const retptr = wasm.__wbindgen_add_to_stack_pointer(-16); + const ptr0 = passArray8ToWasm0(input, wasm.__wbindgen_malloc); + const len0 = WASM_VECTOR_LEN; + wasm.ripemd160(retptr, ptr0, len0); + var r0 = getDataViewMemory0().getInt32(retptr + 4 * 0, true); + var r1 = getDataViewMemory0().getInt32(retptr + 4 * 1, true); + var v2 = getArrayU8FromWasm0(r0, r1).slice(); + wasm.__wbindgen_free(r0, r1 * 1, 1); + return v2; + } finally { + wasm.__wbindgen_add_to_stack_pointer(16); + } +} + +const cachedTextEncoder = (typeof TextEncoder !== 'undefined' ? new TextEncoder('utf-8') : { encode: () => { throw Error('TextEncoder not available') } } ); + +const encodeString = (typeof cachedTextEncoder.encodeInto === 'function' + ? function (arg, view) { + return cachedTextEncoder.encodeInto(arg, view); +} + : function (arg, view) { + const buf = cachedTextEncoder.encode(arg); + view.set(buf); + return { + read: arg.length, + written: buf.length + }; +}); + +function passStringToWasm0(arg, malloc, realloc) { + + if (realloc === undefined) { + const buf = cachedTextEncoder.encode(arg); + const ptr = malloc(buf.length, 1) >>> 0; + getUint8ArrayMemory0().subarray(ptr, ptr + buf.length).set(buf); + WASM_VECTOR_LEN = buf.length; + return ptr; + } + + let len = arg.length; + let ptr = malloc(len, 1) >>> 0; + + const mem = getUint8ArrayMemory0(); + + let offset = 0; + + for (; offset < len; offset++) { + const code = arg.charCodeAt(offset); + if (code > 0x7F) break; + mem[ptr + offset] = code; + } + + if (offset !== len) { + if (offset !== 0) { + arg = arg.slice(offset); + } + ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0; + const view = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len); + const ret = encodeString(arg, view); + + offset += ret.written; + ptr = realloc(ptr, len, offset, 1) >>> 0; + } + + WASM_VECTOR_LEN = offset; + return ptr; +} + +const cachedTextDecoder = (typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-8', { ignoreBOM: true, fatal: true }) : { decode: () => { throw Error('TextDecoder not available') } } ); + +if (typeof TextDecoder !== 'undefined') { cachedTextDecoder.decode(); }; + +function getStringFromWasm0(ptr, len) { + ptr = ptr >>> 0; + return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len)); +} +/** + * @param {string} public_key_hex + * @returns {string} + */ +export function generate_bitcoin_address(public_key_hex) { + let deferred2_0; + let deferred2_1; + try { + const retptr = wasm.__wbindgen_add_to_stack_pointer(-16); + const ptr0 = passStringToWasm0(public_key_hex, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc); + const len0 = WASM_VECTOR_LEN; + wasm.generate_bitcoin_address(retptr, ptr0, len0); + var r0 = getDataViewMemory0().getInt32(retptr + 4 * 0, true); + var r1 = getDataViewMemory0().getInt32(retptr + 4 * 1, true); + deferred2_0 = r0; + deferred2_1 = r1; + return getStringFromWasm0(r0, r1); + } finally { + wasm.__wbindgen_add_to_stack_pointer(16); + wasm.__wbindgen_free(deferred2_0, deferred2_1, 1); + } +} + +async function __wbg_load(module, imports) { + if (typeof Response === 'function' && module instanceof Response) { + if (typeof WebAssembly.instantiateStreaming === 'function') { + try { + return await WebAssembly.instantiateStreaming(module, imports); + + } catch (e) { + if (module.headers.get('Content-Type') != 'application/wasm') { + console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve Wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e); + + } else { + throw e; + } + } + } + + const bytes = await module.arrayBuffer(); + return await WebAssembly.instantiate(bytes, imports); + + } else { + const instance = await WebAssembly.instantiate(module, imports); + + if (instance instanceof WebAssembly.Instance) { + return { instance, module }; + + } else { + return instance; + } + } +} + +function __wbg_get_imports() { + const imports = {}; + imports.wbg = {}; + + return imports; +} + +function __wbg_init_memory(imports, memory) { + +} + +function __wbg_finalize_init(instance, module) { + wasm = instance.exports; + __wbg_init.__wbindgen_wasm_module = module; + cachedDataViewMemory0 = null; + cachedUint8ArrayMemory0 = null; + + + + return wasm; +} + +function initSync(module) { + if (wasm !== undefined) return wasm; + + + if (typeof module !== 'undefined') { + if (Object.getPrototypeOf(module) === Object.prototype) { + ({module} = module) + } else { + console.warn('using deprecated parameters for `initSync()`; pass a single object instead') + } + } + + const imports = __wbg_get_imports(); + + __wbg_init_memory(imports); + + if (!(module instanceof WebAssembly.Module)) { + module = new WebAssembly.Module(module); + } + + const instance = new WebAssembly.Instance(module, imports); + + return __wbg_finalize_init(instance, module); +} + +async function __wbg_init(module_or_path) { + if (wasm !== undefined) return wasm; + + + if (typeof module_or_path !== 'undefined') { + if (Object.getPrototypeOf(module_or_path) === Object.prototype) { + ({module_or_path} = module_or_path) + } else { + console.warn('using deprecated parameters for the initialization function; pass a single object instead') + } + } + + if (typeof module_or_path === 'undefined') { + module_or_path = new URL('bitcoin_hashing_wasm_bg.wasm', import.meta.url); + } + const imports = __wbg_get_imports(); + + if (typeof module_or_path === 'string' || (typeof Request === 'function' && module_or_path instanceof Request) || (typeof URL === 'function' && module_or_path instanceof URL)) { + module_or_path = fetch(module_or_path); + } + + __wbg_init_memory(imports); + + const { instance, module } = await __wbg_load(await module_or_path, imports); + + return __wbg_finalize_init(instance, module); +} + +export { initSync }; +export default __wbg_init; diff --git a/pkg/bitcoin_hashing_wasm_bg.wasm b/pkg/bitcoin_hashing_wasm_bg.wasm new file mode 100644 index 0000000..ee3f52c Binary files /dev/null and b/pkg/bitcoin_hashing_wasm_bg.wasm differ diff --git a/pkg/bitcoin_hashing_wasm_bg.wasm.d.ts b/pkg/bitcoin_hashing_wasm_bg.wasm.d.ts new file mode 100644 index 0000000..7b9c8c7 --- /dev/null +++ b/pkg/bitcoin_hashing_wasm_bg.wasm.d.ts @@ -0,0 +1,10 @@ +/* tslint:disable */ +/* eslint-disable */ +export const memory: WebAssembly.Memory; +export function sha256(a: number, b: number, c: number): void; +export function ripemd160(a: number, b: number, c: number): void; +export function generate_bitcoin_address(a: number, b: number, c: number): void; +export function __wbindgen_add_to_stack_pointer(a: number): number; +export function __wbindgen_malloc(a: number, b: number): number; +export function __wbindgen_free(a: number, b: number, c: number): void; +export function __wbindgen_realloc(a: number, b: number, c: number, d: number): number; diff --git a/pkg/package.json b/pkg/package.json new file mode 100644 index 0000000..bad3046 --- /dev/null +++ b/pkg/package.json @@ -0,0 +1,15 @@ +{ + "name": "bitcoin_hashing_wasm", + "type": "module", + "version": "0.1.0", + "files": [ + "bitcoin_hashing_wasm_bg.wasm", + "bitcoin_hashing_wasm.js", + "bitcoin_hashing_wasm.d.ts" + ], + "main": "bitcoin_hashing_wasm.js", + "types": "bitcoin_hashing_wasm.d.ts", + "sideEffects": [ + "./snippets/*" + ] +} \ No newline at end of file diff --git a/src/lib.rs b/src/lib.rs new file mode 100644 index 0000000..0d8fc3e --- /dev/null +++ b/src/lib.rs @@ -0,0 +1,52 @@ +/// https://en.bitcoin.it/wiki/Technical_background_of_version_1_Bitcoin_addresses + +use sha2::{Sha256, Digest}; +use ripemd::Ripemd160; +use wasm_bindgen::prelude::*; + +#[wasm_bindgen] +pub fn sha256(input: &[u8]) -> Vec { + let mut hasher = Sha256::new(); + hasher.update(input); + hasher.finalize().to_vec() +} + +#[wasm_bindgen] +pub fn ripemd160(input: &[u8]) -> Vec { + let mut hasher = Ripemd160::new(); + hasher.update(input); + hasher.finalize().to_vec() +} + +#[wasm_bindgen] +pub fn generate_bitcoin_address(public_key_hex: &str) -> String { + // Convert hex to bytes + let public_key_bytes = hex::decode(public_key_hex).expect("Invalid hex string"); + + // Step 1: SHA-256 hashing + let sha256_hash = sha256(&public_key_bytes); + + // Step 2: RIPEMD-160 hashing + let ripemd160_hash = ripemd160(&sha256_hash); + + // Step 3: Add version byte (0x00 for Main Network) + let mut versioned_hash = vec![0x00]; // Version byte + versioned_hash.extend(ripemd160_hash); + + // Step 4: SHA-256 on the extended RIPEMD-160 result + let checksum1 = sha256(&versioned_hash); + let checksum2 = sha256(&checksum1); + + // Step 5: Take the first 4 bytes of the second SHA-256 hash (address checksum) + let checksum = &checksum2[..4]; + + // Step 6: Append the checksum to the versioned hash + let mut final_address_bytes = versioned_hash; + final_address_bytes.extend_from_slice(checksum); + + // Step 7: Convert the final byte array into a Base58 string + // Use the `bs58` crate for Base58 encoding + let bitcoin_address = bs58::encode(final_address_bytes).into_string(); + + bitcoin_address +} diff --git a/web/index.html b/web/index.html new file mode 100644 index 0000000..4dbb07d --- /dev/null +++ b/web/index.html @@ -0,0 +1,23 @@ + + + + + + + + Bitcoin Address Generator + + +
+

Bitcoin Address Generator

+
+ + +
+ + 

+    

+
+    
+
+
diff --git a/web/index.js b/web/index.js
new file mode 100644
index 0000000..063f262
--- /dev/null
+++ b/web/index.js
@@ -0,0 +1,20 @@
+import init, { generate_bitcoin_address } from "../pkg/bitcoin_hashing_wasm.js";
+
+async function runWasm() {
+    // Initialize the WASM module
+    await init();
+
+    // Define the function to generate a Bitcoin address from a public key
+    window.generateBitcoinAddress = function() {
+        const publicKeyHex = document.getElementById("input").value;
+
+        // Call the WASM function to generate the Bitcoin address
+        const bitcoinAddress = generate_bitcoin_address(publicKeyHex);
+
+        document.getElementById("output").innerText = `Bitcoin Address:\n${bitcoinAddress}`;
+    };
+}
+
+runWasm();
+
+