@polkadot-labs/schnorrkel-wasm/dist/nodejs/schnorrkel.js

JavaScript WebAssembly (WASM) wrapper for the schnorrkel Rust crate

let imports = {};
imports['__wbindgen_placeholder__'] = module.exports;
let wasm;
const { TextDecoder, TextEncoder } = require(`util`);

const heap = new Array(128).fill(undefined);

heap.push(undefined, null, true, false);

function getObject(idx) { return heap[idx]; }

let heap_next = heap.length;

function dropObject(idx) {
    if (idx < 132) return;
    heap[idx] = heap_next;
    heap_next = idx;
}

function takeObject(idx) {
    const ret = getObject(idx);
    dropObject(idx);
    return ret;
}

let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });

cachedTextDecoder.decode();

let cachedUint8Memory0 = null;

function getUint8Memory0() {
    if (cachedUint8Memory0 === null || cachedUint8Memory0.byteLength === 0) {
        cachedUint8Memory0 = new Uint8Array(wasm.memory.buffer);
    }
    return cachedUint8Memory0;
}

function getStringFromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
}

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;
}
/**
*/
module.exports.init = function() {
    wasm.init();
};

let WASM_VECTOR_LEN = 0;

function passArray8ToWasm0(arg, malloc) {
    const ptr = malloc(arg.length * 1, 1) >>> 0;
    getUint8Memory0().set(arg, ptr / 1);
    WASM_VECTOR_LEN = arg.length;
    return ptr;
}

let cachedInt32Memory0 = null;

function getInt32Memory0() {
    if (cachedInt32Memory0 === null || cachedInt32Memory0.byteLength === 0) {
        cachedInt32Memory0 = new Int32Array(wasm.memory.buffer);
    }
    return cachedInt32Memory0;
}

function getArrayU8FromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
}
/**
* @param {Uint8Array} pubkey
* @param {Uint8Array} secret
* @param {Uint8Array} msg
* @returns {Uint8Array}
*/
module.exports.sr25519_sign = function(pubkey, secret, msg) {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passArray8ToWasm0(pubkey, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        const ptr1 = passArray8ToWasm0(secret, wasm.__wbindgen_malloc);
        const len1 = WASM_VECTOR_LEN;
        const ptr2 = passArray8ToWasm0(msg, wasm.__wbindgen_malloc);
        const len2 = WASM_VECTOR_LEN;
        wasm.sr25519_sign(retptr, ptr0, len0, ptr1, len1, ptr2, len2);
        var r0 = getInt32Memory0()[retptr / 4 + 0];
        var r1 = getInt32Memory0()[retptr / 4 + 1];
        var v4 = getArrayU8FromWasm0(r0, r1).slice();
        wasm.__wbindgen_free(r0, r1 * 1, 1);
        return v4;
    } finally {
        wasm.__wbindgen_add_to_stack_pointer(16);
    }
};

/**
* @param {Uint8Array} pubkey
* @param {Uint8Array} msg
* @param {Uint8Array} signature
* @returns {boolean}
*/
module.exports.sr25519_verify = function(pubkey, msg, signature) {
    const ptr0 = passArray8ToWasm0(pubkey, wasm.__wbindgen_malloc);
    const len0 = WASM_VECTOR_LEN;
    const ptr1 = passArray8ToWasm0(msg, wasm.__wbindgen_malloc);
    const len1 = WASM_VECTOR_LEN;
    const ptr2 = passArray8ToWasm0(signature, wasm.__wbindgen_malloc);
    const len2 = WASM_VECTOR_LEN;
    const ret = wasm.sr25519_verify(ptr0, len0, ptr1, len1, ptr2, len2);
    return ret !== 0;
};

/**
* @param {Uint8Array} secret
* @returns {Uint8Array}
*/
module.exports.sr25519_pubkey = function(secret) {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passArray8ToWasm0(secret, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        wasm.sr25519_pubkey(retptr, ptr0, len0);
        var r0 = getInt32Memory0()[retptr / 4 + 0];
        var r1 = getInt32Memory0()[retptr / 4 + 1];
        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} seed
* @returns {Uint8Array}
*/
module.exports.sr25519_keypair_from_seed = function(seed) {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passArray8ToWasm0(seed, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        wasm.sr25519_keypair_from_seed(retptr, ptr0, len0);
        var r0 = getInt32Memory0()[retptr / 4 + 0];
        var r1 = getInt32Memory0()[retptr / 4 + 1];
        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} seed
* @returns {Uint8Array}
*/
module.exports.sr25519_secret_from_seed = function(seed) {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passArray8ToWasm0(seed, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        wasm.sr25519_secret_from_seed(retptr, ptr0, len0);
        var r0 = getInt32Memory0()[retptr / 4 + 0];
        var r1 = getInt32Memory0()[retptr / 4 + 1];
        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} seed
* @param {Uint8Array} cc
* @returns {Uint8Array}
*/
module.exports.sr25519_derive_seed_hard = function(seed, cc) {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passArray8ToWasm0(seed, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        const ptr1 = passArray8ToWasm0(cc, wasm.__wbindgen_malloc);
        const len1 = WASM_VECTOR_LEN;
        wasm.sr25519_derive_seed_hard(retptr, ptr0, len0, ptr1, len1);
        var r0 = getInt32Memory0()[retptr / 4 + 0];
        var r1 = getInt32Memory0()[retptr / 4 + 1];
        var v3 = getArrayU8FromWasm0(r0, r1).slice();
        wasm.__wbindgen_free(r0, r1 * 1, 1);
        return v3;
    } finally {
        wasm.__wbindgen_add_to_stack_pointer(16);
    }
};

/**
* @param {Uint8Array} keypair
* @param {Uint8Array} cc
* @returns {Uint8Array}
*/
module.exports.sr25519_derive_keypair_hard = function(keypair, cc) {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passArray8ToWasm0(keypair, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        const ptr1 = passArray8ToWasm0(cc, wasm.__wbindgen_malloc);
        const len1 = WASM_VECTOR_LEN;
        wasm.sr25519_derive_keypair_hard(retptr, ptr0, len0, ptr1, len1);
        var r0 = getInt32Memory0()[retptr / 4 + 0];
        var r1 = getInt32Memory0()[retptr / 4 + 1];
        var v3 = getArrayU8FromWasm0(r0, r1).slice();
        wasm.__wbindgen_free(r0, r1 * 1, 1);
        return v3;
    } finally {
        wasm.__wbindgen_add_to_stack_pointer(16);
    }
};

/**
* @param {Uint8Array} keypair
* @param {Uint8Array} cc
* @returns {Uint8Array}
*/
module.exports.sr25519_derive_keypair_soft = function(keypair, cc) {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passArray8ToWasm0(keypair, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        const ptr1 = passArray8ToWasm0(cc, wasm.__wbindgen_malloc);
        const len1 = WASM_VECTOR_LEN;
        wasm.sr25519_derive_keypair_soft(retptr, ptr0, len0, ptr1, len1);
        var r0 = getInt32Memory0()[retptr / 4 + 0];
        var r1 = getInt32Memory0()[retptr / 4 + 1];
        var v3 = getArrayU8FromWasm0(r0, r1).slice();
        wasm.__wbindgen_free(r0, r1 * 1, 1);
        return v3;
    } finally {
        wasm.__wbindgen_add_to_stack_pointer(16);
    }
};

/**
* @param {Uint8Array} pubkey
* @param {Uint8Array} cc
* @returns {Uint8Array}
*/
module.exports.sr25519_derive_public_soft = function(pubkey, cc) {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passArray8ToWasm0(pubkey, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        const ptr1 = passArray8ToWasm0(cc, wasm.__wbindgen_malloc);
        const len1 = WASM_VECTOR_LEN;
        wasm.sr25519_derive_public_soft(retptr, ptr0, len0, ptr1, len1);
        var r0 = getInt32Memory0()[retptr / 4 + 0];
        var r1 = getInt32Memory0()[retptr / 4 + 1];
        var v3 = getArrayU8FromWasm0(r0, r1).slice();
        wasm.__wbindgen_free(r0, r1 * 1, 1);
        return v3;
    } finally {
        wasm.__wbindgen_add_to_stack_pointer(16);
    }
};

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, 1) >>> 0;
        getUint8Memory0().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 = 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, 1) >>> 0;
        const view = getUint8Memory0().subarray(ptr + offset, ptr + len);
        const ret = encodeString(arg, view);

        offset += ret.written;
    }

    WASM_VECTOR_LEN = offset;
    return ptr;
}

function handleError(f, args) {
    try {
        return f.apply(this, args);
    } catch (e) {
        wasm.__wbindgen_exn_store(addHeapObject(e));
    }
}

module.exports.__wbg_new_abda76e883ba8a5f = function() {
    const ret = new Error();
    return addHeapObject(ret);
};

module.exports.__wbg_stack_658279fe44541cf6 = function(arg0, arg1) {
    const ret = getObject(arg1).stack;
    const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
    const len1 = WASM_VECTOR_LEN;
    getInt32Memory0()[arg0 / 4 + 1] = len1;
    getInt32Memory0()[arg0 / 4 + 0] = ptr1;
};

module.exports.__wbg_error_f851667af71bcfc6 = function(arg0, arg1) {
    let deferred0_0;
    let deferred0_1;
    try {
        deferred0_0 = arg0;
        deferred0_1 = arg1;
        console.error(getStringFromWasm0(arg0, arg1));
    } finally {
        wasm.__wbindgen_free(deferred0_0, deferred0_1, 1);
    }
};

module.exports.__wbindgen_object_drop_ref = function(arg0) {
    takeObject(arg0);
};

module.exports.__wbg_crypto_58f13aa23ffcb166 = function(arg0) {
    const ret = getObject(arg0).crypto;
    return addHeapObject(ret);
};

module.exports.__wbindgen_is_object = function(arg0) {
    const val = getObject(arg0);
    const ret = typeof(val) === 'object' && val !== null;
    return ret;
};

module.exports.__wbg_process_5b786e71d465a513 = function(arg0) {
    const ret = getObject(arg0).process;
    return addHeapObject(ret);
};

module.exports.__wbg_versions_c2ab80650590b6a2 = function(arg0) {
    const ret = getObject(arg0).versions;
    return addHeapObject(ret);
};

module.exports.__wbg_node_523d7bd03ef69fba = function(arg0) {
    const ret = getObject(arg0).node;
    return addHeapObject(ret);
};

module.exports.__wbindgen_is_string = function(arg0) {
    const ret = typeof(getObject(arg0)) === 'string';
    return ret;
};

module.exports.__wbg_require_2784e593a4674877 = function() { return handleError(function () {
    const ret = module.require;
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbindgen_string_new = function(arg0, arg1) {
    const ret = getStringFromWasm0(arg0, arg1);
    return addHeapObject(ret);
};

module.exports.__wbg_msCrypto_abcb1295e768d1f2 = function(arg0) {
    const ret = getObject(arg0).msCrypto;
    return addHeapObject(ret);
};

module.exports.__wbg_getRandomValues_504510b5564925af = function() { return handleError(function (arg0, arg1) {
    getObject(arg0).getRandomValues(getObject(arg1));
}, arguments) };

module.exports.__wbg_randomFillSync_a0d98aa11c81fe89 = function() { return handleError(function (arg0, arg1) {
    getObject(arg0).randomFillSync(takeObject(arg1));
}, arguments) };

module.exports.__wbindgen_is_function = function(arg0) {
    const ret = typeof(getObject(arg0)) === 'function';
    return ret;
};

module.exports.__wbg_newnoargs_c62ea9419c21fbac = function(arg0, arg1) {
    const ret = new Function(getStringFromWasm0(arg0, arg1));
    return addHeapObject(ret);
};

module.exports.__wbg_call_90c26b09837aba1c = function() { return handleError(function (arg0, arg1) {
    const ret = getObject(arg0).call(getObject(arg1));
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_self_f0e34d89f33b99fd = function() { return handleError(function () {
    const ret = self.self;
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_window_d3b084224f4774d7 = function() { return handleError(function () {
    const ret = window.window;
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_globalThis_9caa27ff917c6860 = function() { return handleError(function () {
    const ret = globalThis.globalThis;
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_global_35dfdd59a4da3e74 = function() { return handleError(function () {
    const ret = global.global;
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbindgen_is_undefined = function(arg0) {
    const ret = getObject(arg0) === undefined;
    return ret;
};

module.exports.__wbg_call_5da1969d7cd31ccd = function() { return handleError(function (arg0, arg1, arg2) {
    const ret = getObject(arg0).call(getObject(arg1), getObject(arg2));
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_buffer_a448f833075b71ba = function(arg0) {
    const ret = getObject(arg0).buffer;
    return addHeapObject(ret);
};

module.exports.__wbg_newwithbyteoffsetandlength_d0482f893617af71 = function(arg0, arg1, arg2) {
    const ret = new Uint8Array(getObject(arg0), arg1 >>> 0, arg2 >>> 0);
    return addHeapObject(ret);
};

module.exports.__wbg_new_8f67e318f15d7254 = function(arg0) {
    const ret = new Uint8Array(getObject(arg0));
    return addHeapObject(ret);
};

module.exports.__wbg_set_2357bf09366ee480 = function(arg0, arg1, arg2) {
    getObject(arg0).set(getObject(arg1), arg2 >>> 0);
};

module.exports.__wbg_newwithlength_6c2df9e2f3028c43 = function(arg0) {
    const ret = new Uint8Array(arg0 >>> 0);
    return addHeapObject(ret);
};

module.exports.__wbg_subarray_2e940e41c0f5a1d9 = function(arg0, arg1, arg2) {
    const ret = getObject(arg0).subarray(arg1 >>> 0, arg2 >>> 0);
    return addHeapObject(ret);
};

module.exports.__wbindgen_object_clone_ref = function(arg0) {
    const ret = getObject(arg0);
    return addHeapObject(ret);
};

module.exports.__wbindgen_throw = function(arg0, arg1) {
    throw new Error(getStringFromWasm0(arg0, arg1));
};

module.exports.__wbindgen_memory = function() {
    const ret = wasm.memory;
    return addHeapObject(ret);
};

const path = require('path').join(__dirname, 'schnorrkel_bg.wasm');
const bytes = require('fs').readFileSync(path);

const wasmModule = new WebAssembly.Module(bytes);
const wasmInstance = new WebAssembly.Instance(wasmModule, imports);
wasm = wasmInstance.exports;
module.exports.__wasm = wasm;

wasm.__wbindgen_start();