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Apache License
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Permission is hereby granted, free of charge, to any
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DEALINGS IN THE SOFTWARE.

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# 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.

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{
"name": "phase2",
"collaborators": [
"Sean Bowe <ewillbefull@gmail.com>"
],
"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"
}

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/* 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<any>}
*/
export default function init (module_or_path?: RequestInfo | BufferSource | WebAssembly.Module): Promise<any>;

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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;

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/* 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;

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