ipfs storage for images and other nontext items. for use with etica - runs on etica network and currencys
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55 lines
2.1 KiB
55 lines
2.1 KiB
/** |
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* @_subsection: api/wallet:JSON Wallets [json-wallets] |
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*/ |
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import { CBC, pkcs7Strip } from "aes-js"; |
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import { getAddress } from "../address/index.js"; |
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import { pbkdf2 } from "../crypto/index.js"; |
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import { id } from "../hash/index.js"; |
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import { getBytes, assertArgument } from "../utils/index.js"; |
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import { getPassword, looseArrayify, spelunk } from "./utils.js"; |
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/** |
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* Returns true if %%json%% is a valid JSON Crowdsale wallet. |
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*/ |
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export function isCrowdsaleJson(json) { |
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try { |
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const data = JSON.parse(json); |
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if (data.encseed) { |
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return true; |
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} |
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} |
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catch (error) { } |
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return false; |
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} |
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// See: https://github.com/ethereum/pyethsaletool |
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/** |
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* Before Ethereum launched, it was necessary to create a wallet |
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* format for backers to use, which would be used to receive ether |
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* as a reward for contributing to the project. |
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* |
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* The [[link-crowdsale]] format is now obsolete, but it is still |
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* useful to support and the additional code is fairly trivial as |
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* all the primitives required are used through core portions of |
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* the library. |
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*/ |
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export function decryptCrowdsaleJson(json, _password) { |
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const data = JSON.parse(json); |
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const password = getPassword(_password); |
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// Ethereum Address |
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const address = getAddress(spelunk(data, "ethaddr:string!")); |
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// Encrypted Seed |
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const encseed = looseArrayify(spelunk(data, "encseed:string!")); |
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assertArgument(encseed && (encseed.length % 16) === 0, "invalid encseed", "json", json); |
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const key = getBytes(pbkdf2(password, password, 2000, 32, "sha256")).slice(0, 16); |
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const iv = encseed.slice(0, 16); |
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const encryptedSeed = encseed.slice(16); |
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// Decrypt the seed |
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const aesCbc = new CBC(key, iv); |
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const seed = pkcs7Strip(getBytes(aesCbc.decrypt(encryptedSeed))); |
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// This wallet format is weird... Convert the binary encoded hex to a string. |
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let seedHex = ""; |
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for (let i = 0; i < seed.length; i++) { |
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seedHex += String.fromCharCode(seed[i]); |
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} |
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return { address, privateKey: id(seedHex) }; |
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} |
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//# sourceMappingURL=json-crowdsale.js.map
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