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IN NO EVENT +SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. diff --git a/lib/phase2/README.md b/lib/phase2/README.md new file mode 100644 index 0000000..6b42540 --- /dev/null +++ b/lib/phase2/README.md @@ -0,0 +1,47 @@ +# phase2 [![Crates.io](https://img.shields.io/crates/v/phase2.svg)](https://crates.io/crates/phase2) # + +This library is still under development. + +## WebAssembly how-to + +Build wasm package using `wasm-pack build --release -- --no-default-features --features wasm` + +this will generate `./pkg` directory with wasm file and js bindings. After that you +can use this package in your browser application like so: + +```js +async function main() { + const phase2 = await import("./pkg/phase2.js") + let data = await fetch('params') + data = await data.arrayBuffer() + data = new Uint8Array(data) + console.log('Source params', data) + const result = phase2.contribute(data) + console.log('Updated params', result) + // upload updated params +} + +main().catch(console.error) +``` + +## [Documentation](https://docs.rs/phase2/) + +## Security Warnings + +This library does not make any guarantees about constant-time operations, memory access patterns, or resistance to side-channel attacks. + +## License + +Licensed under either of + + * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0) + * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT) + +at your option. + +### Contribution + +Unless you explicitly state otherwise, any contribution intentionally +submitted for inclusion in the work by you, as defined in the Apache-2.0 +license, shall be dual licensed as above, without any additional terms or +conditions. diff --git a/lib/phase2/package.json b/lib/phase2/package.json new file mode 100644 index 0000000..009df67 --- /dev/null +++ b/lib/phase2/package.json @@ -0,0 +1,24 @@ +{ + "name": "phase2", + "collaborators": [ + "Sean Bowe " + ], + "description": "Library for performing MPCs for creating zk-SNARK public parameters", + "version": "0.2.2", + "license": "MIT/Apache-2.0", + "repository": { + "type": "git", + "url": "https://github.com/ebfull/phase2" + }, + "files": [ + "phase2_bg.wasm", + "phase2.js", + "phase2.d.ts", + "LICENSE-APACHE", + "LICENSE-MIT" + ], + "module": "phase2.js", + "homepage": "https://github.com/ebfull/phase2", + "types": "phase2.d.ts", + "sideEffects": "false" +} \ No newline at end of file diff --git a/lib/phase2/phase2.d.ts b/lib/phase2/phase2.d.ts new file mode 100644 index 0000000..40dd600 --- /dev/null +++ b/lib/phase2/phase2.d.ts @@ -0,0 +1,18 @@ +/* tslint:disable */ +/* eslint-disable */ +/** +* @param {Uint8Array} params +* @returns {Uint8Array} +*/ +export function contribute(params: Uint8Array): Uint8Array; + +/** +* If `module_or_path` is {RequestInfo}, makes a request and +* for everything else, calls `WebAssembly.instantiate` directly. +* +* @param {RequestInfo | BufferSource | WebAssembly.Module} module_or_path +* +* @returns {Promise} +*/ +export default function init (module_or_path?: RequestInfo | BufferSource | WebAssembly.Module): Promise; + \ No newline at end of file diff --git a/lib/phase2/phase2.js b/lib/phase2/phase2.js new file mode 100644 index 0000000..c0241df --- /dev/null +++ b/lib/phase2/phase2.js @@ -0,0 +1,223 @@ + +let wasm; + +let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true }); + +cachedTextDecoder.decode(); + +let cachegetUint8Memory0 = null; +function getUint8Memory0() { + if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) { + cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer); + } + return cachegetUint8Memory0; +} + +function getStringFromWasm0(ptr, len) { + return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len)); +} + +const heap = new Array(32); + +heap.fill(undefined); + +heap.push(undefined, null, true, false); + +let heap_next = heap.length; + +function addHeapObject(obj) { + if (heap_next === heap.length) heap.push(heap.length + 1); + const idx = heap_next; + heap_next = heap[idx]; + + heap[idx] = obj; + return idx; +} + +function getObject(idx) { return heap[idx]; } + +function dropObject(idx) { + if (idx < 36) return; + heap[idx] = heap_next; + heap_next = idx; +} + +function takeObject(idx) { + const ret = getObject(idx); + dropObject(idx); + return ret; +} + +let WASM_VECTOR_LEN = 0; + +function passArray8ToWasm0(arg, malloc) { + const ptr = malloc(arg.length * 1); + getUint8Memory0().set(arg, ptr / 1); + WASM_VECTOR_LEN = arg.length; + return ptr; +} + +let cachegetInt32Memory0 = null; +function getInt32Memory0() { + if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) { + cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer); + } + return cachegetInt32Memory0; +} + +function getArrayU8FromWasm0(ptr, len) { + return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len); +} +/** +* @param {Uint8Array} params +* @returns {Uint8Array} +*/ +export function contribute(params) { + var ptr0 = passArray8ToWasm0(params, wasm.__wbindgen_malloc); + var len0 = WASM_VECTOR_LEN; + wasm.contribute(8, ptr0, len0); + var r0 = getInt32Memory0()[8 / 4 + 0]; + var r1 = getInt32Memory0()[8 / 4 + 1]; + var v1 = getArrayU8FromWasm0(r0, r1).slice(); + wasm.__wbindgen_free(r0, r1 * 1); + return v1; +} + +let cachedTextEncoder = new TextEncoder('utf-8'); + +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); + getUint8Memory0().subarray(ptr, ptr + buf.length).set(buf); + WASM_VECTOR_LEN = buf.length; + return ptr; + } + + let len = arg.length; + let ptr = malloc(len); + + const mem = getUint8Memory0(); + + 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); + const view = getUint8Memory0().subarray(ptr + offset, ptr + len); + const ret = encodeString(arg, view); + + offset += ret.written; + } + + WASM_VECTOR_LEN = offset; + return ptr; +} + +function init(module) { + if (typeof module === 'undefined') { + module = import.meta.url.replace(/\.js$/, '_bg.wasm'); + } + let result; + const imports = {}; + imports.wbg = {}; + imports.wbg.__wbindgen_string_new = function(arg0, arg1) { + var ret = getStringFromWasm0(arg0, arg1); + return addHeapObject(ret); + }; + imports.wbg.__wbindgen_object_drop_ref = function(arg0) { + takeObject(arg0); + }; + imports.wbg.__wbg_new_59cb74e423758ede = function() { + var ret = new Error(); + return addHeapObject(ret); + }; + imports.wbg.__wbg_stack_558ba5917b466edd = function(arg0, arg1) { + var ret = getObject(arg1).stack; + var ptr0 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc); + var len0 = WASM_VECTOR_LEN; + getInt32Memory0()[arg0 / 4 + 1] = len0; + getInt32Memory0()[arg0 / 4 + 0] = ptr0; + }; + imports.wbg.__wbg_error_4bb6c2a97407129a = function(arg0, arg1) { + try { + console.error(getStringFromWasm0(arg0, arg1)); + } finally { + wasm.__wbindgen_free(arg0, arg1); + } + }; + imports.wbg.__widl_f_log_1_ = function(arg0) { + console.log(getObject(arg0)); + }; + imports.wbg.__wbindgen_throw = function(arg0, arg1) { + throw new Error(getStringFromWasm0(arg0, arg1)); + }; + imports.wbg.__wbindgen_rethrow = function(arg0) { + throw takeObject(arg0); + }; + + if ((typeof URL === 'function' && module instanceof URL) || typeof module === 'string' || (typeof Request === 'function' && module instanceof Request)) { + + const response = fetch(module); + if (typeof WebAssembly.instantiateStreaming === 'function') { + result = WebAssembly.instantiateStreaming(response, imports) + .catch(e => { + return response + .then(r => { + if (r.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); + return r.arrayBuffer(); + } else { + throw e; + } + }) + .then(bytes => WebAssembly.instantiate(bytes, imports)); + }); + } else { + result = response + .then(r => r.arrayBuffer()) + .then(bytes => WebAssembly.instantiate(bytes, imports)); + } + } else { + + result = WebAssembly.instantiate(module, imports) + .then(result => { + if (result instanceof WebAssembly.Instance) { + return { instance: result, module }; + } else { + return result; + } + }); + } + return result.then(({instance, module}) => { + wasm = instance.exports; + init.__wbindgen_wasm_module = module; + + return wasm; + }); +} + +export default init; + diff --git a/lib/phase2/phase2_bg.d.ts b/lib/phase2/phase2_bg.d.ts new file mode 100644 index 0000000..65c9b40 --- /dev/null +++ b/lib/phase2/phase2_bg.d.ts @@ -0,0 +1,7 @@ +/* tslint:disable */ +/* eslint-disable */ +export const memory: WebAssembly.Memory; +export function contribute(a: number, b: number, c: number): void; +export function __wbindgen_malloc(a: number): number; +export function __wbindgen_free(a: number, b: number): void; +export function __wbindgen_realloc(a: number, b: number, c: number): number; diff --git a/lib/phase2/phase2_bg.wasm b/lib/phase2/phase2_bg.wasm new file mode 100644 index 0000000..14f9c46 Binary files /dev/null and b/lib/phase2/phase2_bg.wasm differ