brunobar79
6 years ago
parent
e2be22a4b7
commit
5ef80495cf
@ -0,0 +1,105 @@ |
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const extension = require('extensionizer') |
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const {EventEmitter} = require('events') |
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// HD path differs from eth-hd-keyring - MEW, Parity, Geth and Official Ledger clients use same unusual derivation for Ledger
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const hdPathString = `m/44'/60'/0'` |
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const type = 'Ledger Hardware Keyring' |
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class LedgerKeyring extends EventEmitter { |
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constructor (opts = {}) { |
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super() |
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this.type = type |
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this.deserialize(opts) |
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} |
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serialize () { |
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return Promise.resolve({hdPath: this.hdPath, accounts: this.accounts}) |
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} |
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deserialize (opts = {}) { |
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this.hdPath = opts.hdPath || hdPathString |
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this.accounts = opts.accounts || [] |
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return Promise.resolve() |
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} |
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async addAccounts (n = 1) { |
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return new Promise((resolve, reject) => { |
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extension.runtime.sendMessage({ |
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action: 'ledger-add-account', |
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n, |
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}) |
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extension.runtime.onMessage.addListener(({action, success, payload}) => { |
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if (action === 'ledger-sign-transaction') { |
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if (success) { |
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resolve(payload) |
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} else { |
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reject(payload) |
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} |
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} |
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}) |
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}) |
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} |
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async getAccounts () { |
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return this.accounts.slice() |
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} |
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// tx is an instance of the ethereumjs-transaction class.
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async signTransaction (address, tx) { |
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return new Promise((resolve, reject) => { |
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extension.runtime.sendMessage({ |
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action: 'ledger-sign-transaction', |
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address, |
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tx, |
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}) |
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extension.runtime.onMessage.addListener(({action, success, payload}) => { |
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if (action === 'ledger-sign-transaction') { |
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if (success) { |
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resolve(payload) |
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} else { |
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reject(payload) |
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} |
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} |
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}) |
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}) |
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} |
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async signMessage (withAccount, data) { |
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throw new Error('Not supported on this device') |
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} |
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// For personal_sign, we need to prefix the message:
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async signPersonalMessage (withAccount, message) { |
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return new Promise((resolve, reject) => { |
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extension.runtime.sendMessage({ |
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action: 'ledger-sign-personal-message', |
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withAccount, |
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message, |
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}) |
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extension.runtime.onMessage.addListener(({action, success, payload}) => { |
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if (action === 'ledger-sign-personal-message') { |
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if (success) { |
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resolve(payload) |
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} else { |
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reject(payload) |
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} |
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} |
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}) |
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}) |
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} |
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async signTypedData (withAccount, typedData) { |
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throw new Error('Not supported on this device') |
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} |
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async exportAccount (address) { |
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throw new Error('Not supported on this device') |
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} |
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} |
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LedgerKeyring.type = type |
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module.exports = LedgerKeyring |
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@ -0,0 +1,18 @@ |
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/* |
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Passing messages from background script to popup |
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*/ |
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let port = chrome.runtime.connect({ name: 'ledger' }); |
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port.onMessage.addListener(message => { |
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window.postMessage(message, window.location.origin); |
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}); |
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port.onDisconnect.addListener(d => { |
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port = null; |
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}); |
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/* |
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Passing messages from popup to background script |
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*/ |
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window.addEventListener('message', event => { |
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if (port && event.source === window && event.data) { |
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port.postMessage(event.data); |
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} |
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}); |
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