Marvin ROGER
GitHub
parent
299bb3891d
commit
a8d794af02
5 changed files with 116 additions and 28 deletions
27
package.json
27
package.json
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@ -1,6 +1,7 @@
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{
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"name": "nanocurrency",
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"description": "A toolkit for the Nano cryptocurrency, allowing you to derive keys, generate seeds, hashes, signatures, proofs of work and blocks.",
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"description":
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"A toolkit for the Nano cryptocurrency, allowing you to derive keys, generate seeds, hashes, signatures, proofs of work and blocks.",
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"version": "0.0.0-development",
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"author": {
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"name": "Marvin ROGER",
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@ -18,7 +19,6 @@
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"dependencies": {
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"bignumber.js": "^7.2.0",
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"blakejs": "^1.1.0",
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"nano-base32": "^1.0.0",
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"yargs": "^12.0.1"
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},
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"devDependencies": {
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@ -46,23 +46,12 @@
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"typedoc-plugin-internal-external": "^1.0.10",
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"typescript": "^2.8.3"
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},
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"files": [
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"dist/"
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],
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"files": ["dist/"],
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"homepage": "https://github.com/marvinroger/nanocurrency-js",
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"jest": {
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"testPathIgnorePatterns": [
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"<rootDir>/__tests__/data/",
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"<rootDir>/node_modules/"
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]
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"testPathIgnorePatterns": ["<rootDir>/__tests__/data/", "<rootDir>/node_modules/"]
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},
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"keywords": [
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"crypto",
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"currency",
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"nano",
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"pow",
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"raiblocks"
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],
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"keywords": ["crypto", "currency", "nano", "pow", "raiblocks"],
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"license": "GPL-3.0",
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"main": "dist/nanocurrency.cjs.js",
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"module": "dist/nanocurrency.esm.js",
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@ -78,7 +67,8 @@
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"build:dev": "yarn build:dev:native && yarn build:dev:js",
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"build:dev:js": "cross-env NODE_ENV=development rollup -c",
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"build:dev:native": "cross-env EMCC_ARGS=\"\" cross-os build:native__cross",
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"build:native__common": "cross-var docker run --rm -v $PWD:/src trzeci/emscripten emcc -o native.js $EMCC_ARGS -s WASM=1 -s MODULARIZE=1 -s SINGLE_FILE=1 -s \"EXTRA_EXPORTED_RUNTIME_METHODS=[\\\"cwrap\\\"]\" src/native/functions.c src/native/blake2/ref/blake2b-ref.c",
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"build:native__common":
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"cross-var docker run --rm -v $PWD:/src trzeci/emscripten emcc -o native.js $EMCC_ARGS -s WASM=1 -s MODULARIZE=1 -s SINGLE_FILE=1 -s \"EXTRA_EXPORTED_RUNTIME_METHODS=[\\\"cwrap\\\"]\" src/native/functions.c src/native/blake2/ref/blake2b-ref.c",
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"build:native__cross": {
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"darwin": "cross-env PWD=\"$(pwd)\" yarn build:native__common",
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"linux": "cross-env PWD=\"$(pwd)\" yarn build:native__common",
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@ -86,7 +76,8 @@
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},
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"build:prod": "yarn build:prod:native && yarn build:prod:js",
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"build:prod:js": "cross-env NODE_ENV=production rollup -c",
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"build:prod:native": "cross-env EMCC_ARGS=\"-O3 --closure 1 --llvm-lto 3\" cross-os build:native__cross",
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"build:prod:native":
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"cross-env EMCC_ARGS=\"-O3 --closure 1 --llvm-lto 3\" cross-os build:native__cross",
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"generate-docs": "typedoc src/index.ts",
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"format": "prettier --write \"{src,__tests__}/**/*.{ts,js}\"",
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"lint": "tslint --project . \"src/**/*.ts\"",
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@ -4,12 +4,12 @@
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* Licensed under GPL-3.0 (https://git.io/vAZsK)
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*/
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import { blake2b, blake2bFinal, blake2bInit, blake2bUpdate } from 'blakejs';
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import nanoBase32 from 'nano-base32';
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import { checkKey, checkSeed } from './check';
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import { derivePublicFromSecret } from './nacl';
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import { byteArrayToHex, getRandomBytes, hexToByteArray } from './utils';
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import { parseAddress } from './parse';
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import { encodeNanoBase32 } from './nano-base32';
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/**
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* Generate a cryptographically secure seed.
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@ -104,11 +104,11 @@ export function deriveAddress(publicKey: string, params: DeriveAddressParams = {
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let prefix = 'xrb_';
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if (params.useNanoPrefix === true) prefix = 'nano_';
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const encodedPublicKey = nanoBase32.encode(paddedPublicKeyBytes);
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const encodedPublicKey = encodeNanoBase32(paddedPublicKeyBytes);
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const checksum = blake2b(publicKeyBytes, null, 5).reverse();
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const encodedChecksum = nanoBase32.encode(checksum);
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const encodedChecksum = encodeNanoBase32(checksum);
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return prefix + encodedPublicKey + encodedChecksum;
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}
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101
src/nano-base32.ts
Normal file
101
src/nano-base32.ts
Normal file
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@ -0,0 +1,101 @@
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/*
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MIT License
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Copyright (c) 2018 Gray Olson
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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const alphabet = '13456789abcdefghijkmnopqrstuwxyz';
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/**
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* Encode provided Uint8Array using the Nano-specific Base-32 implementeation.
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* @param view Input buffer formatted as a Uint8Array
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* @returns
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*/
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export function encodeNanoBase32(view: Uint8Array) {
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const length = view.length;
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const leftover = (length * 8) % 5;
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const offset = leftover === 0 ? 0 : 5 - leftover;
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let value = 0;
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let output = '';
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let bits = 0;
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for (let i = 0; i < length; i++) {
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value = (value << 8) | view[i];
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bits += 8;
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while (bits >= 5) {
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output += alphabet[(value >>> (bits + offset - 5)) & 31];
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bits -= 5;
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}
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}
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if (bits > 0) {
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output += alphabet[(value << (5 - (bits + offset))) & 31];
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}
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return output;
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}
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function readChar(char: string) {
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const idx = alphabet.indexOf(char);
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if (idx === -1) {
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throw new Error('Invalid character found: ' + char);
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}
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return idx;
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}
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/**
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* Decodes a Nano-implementation Base32 encoded string into a Uint8Array
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* @param input A Nano-Base32 encoded string
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* @returns
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*/
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export function decodeNanoBase32(input: string) {
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const length = input.length;
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const leftover = (length * 5) % 8;
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const offset = leftover === 0 ? 0 : 8 - leftover;
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let bits = 0;
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let value = 0;
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let index = 0;
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let output = new Uint8Array(Math.ceil(length * 5 / 8));
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for (let i = 0; i < length; i++) {
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value = (value << 5) | readChar(input[i]);
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bits += 5;
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if (bits >= 8) {
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output[index++] = (value >>> (bits + offset - 8)) & 255;
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bits -= 8;
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}
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}
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if (bits > 0) {
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output[index++] = (value << (bits + offset - 8)) & 255;
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}
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if (leftover !== 0) {
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output = output.slice(1);
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}
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return output;
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}
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* Licensed under GPL-3.0 (https://git.io/vAZsK)
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*/
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import { blake2b } from 'blakejs';
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import nanoBase32 from 'nano-base32';
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import { compareArrays } from './utils';
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import { checkString } from './check';
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import { decodeNanoBase32 } from './nano-base32';
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/** @hidden */
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export interface ParseAddressResult {
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@ -30,8 +30,8 @@ export function parseAddress(address: any): ParseAddressResult {
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prefixLength = 5;
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}
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const publicKeyBytes = nanoBase32.decode(address.substr(prefixLength, 52));
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const checksumBytes = nanoBase32.decode(address.substr(prefixLength + 52));
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const publicKeyBytes = decodeNanoBase32(address.substr(prefixLength, 52));
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const checksumBytes = decodeNanoBase32(address.substr(prefixLength + 52));
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const computedChecksumBytes = blake2b(publicKeyBytes, null, 5).reverse();
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version "2.10.0"
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resolved "https://registry.yarnpkg.com/nan/-/nan-2.10.0.tgz#96d0cd610ebd58d4b4de9cc0c6828cda99c7548f"
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nano-base32@^1.0.0:
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version "1.0.1"
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resolved "https://registry.yarnpkg.com/nano-base32/-/nano-base32-1.0.1.tgz#ba548c879efcfb90da1c4d9e097db4a46c9255ef"
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nanomatch@^1.2.9:
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version "1.2.13"
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resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
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