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-rw-r--r--packages/subproviders/src/subproviders/eth_lightwallet.ts100
1 files changed, 0 insertions, 100 deletions
diff --git a/packages/subproviders/src/subproviders/eth_lightwallet.ts b/packages/subproviders/src/subproviders/eth_lightwallet.ts
deleted file mode 100644
index 970c5d981..000000000
--- a/packages/subproviders/src/subproviders/eth_lightwallet.ts
+++ /dev/null
@@ -1,100 +0,0 @@
-import { assert } from '@0xproject/assert';
-import { ECSignatureBuffer } from '@0xproject/types';
-import { addressUtils } from '@0xproject/utils';
-import * as lightwallet from 'eth-lightwallet';
-import EthereumTx = require('ethereumjs-tx');
-import * as _ from 'lodash';
-
-import { PartialTxParams, WalletSubproviderErrors } from '../types';
-
-import { BaseWalletSubprovider } from './base_wallet_subprovider';
-
-/*
- * This class implements the [web3-provider-engine](https://github.com/MetaMask/provider-engine) subprovider interface.
- * This subprovider intercepts all account related RPC requests (e.g message/transaction signing, etc...) and
- * re-routes them to [eth-lightwallet](https://github.com/ConsenSys/eth-lightwallet).
- */
-export class EthLightwalletSubprovider extends BaseWalletSubprovider {
- private _signing: lightwallet.signing;
- private _keystore: lightwallet.keystore;
- private _pwDerivedKey: Uint8Array;
- /**
- * Instantiates a EthLightwalletSubprovider
- * @param signing The lightwallet module containing signing functions
- * @param keystore An instance of the lightwallet keystore
- * @param pwDerivedKey The users password derived key
- */
- constructor(signing: lightwallet.signing, keystore: lightwallet.keystore, pwDerivedKey: Uint8Array) {
- super();
-
- this._signing = signing;
- this._keystore = keystore;
- this._pwDerivedKey = pwDerivedKey;
- }
- /**
- * Retrieve the accounts associated with the eth-lightwallet instance.
- * This method is implicitly called when issuing a `eth_accounts` JSON RPC request
- * via your providerEngine instance.
- *
- * @return An array of accounts
- */
- public async getAccountsAsync(): Promise<string[]> {
- const accounts = this._keystore.getAddresses();
- return accounts;
- }
- /**
- * Signs a transaction with the account specificed by the `from` field in txParams.
- * If you've added this Subprovider to your app's provider, you can simply send
- * an `eth_sendTransaction` JSON RPC request, and this method will be called auto-magically.
- * If you are not using this via a ProviderEngine instance, you can call it directly.
- * @param txParams Parameters of the transaction to sign
- * @return Signed transaction hex string
- */
- public async signTransactionAsync(txParams: PartialTxParams): Promise<string> {
- if (_.isUndefined(txParams.from) || !addressUtils.isAddress(txParams.from)) {
- throw new Error(WalletSubproviderErrors.FromAddressMissingOrInvalid);
- }
-
- const tx = new EthereumTx(txParams);
- const txHex = tx.serialize().toString('hex');
- let signedTxHex: string = this._signing.signTx(
- this._keystore,
- this._pwDerivedKey,
- txHex,
- txParams.from,
- this._keystore.hdPathString,
- );
-
- signedTxHex = `0x${signedTxHex}`;
-
- return signedTxHex;
- }
- /**
- * Sign a personal Ethereum signed message. The signing account will be the account
- * associated with the provided address.
- * If you've added the EthLightwalletSubprovider to your app's provider, you can simply send an `eth_sign`
- * or `personal_sign` JSON RPC request, and this method will be called auto-magically.
- * If you are not using this via a ProviderEngine instance, you can call it directly.
- * @param data Hex string message to sign
- * @param address Address of the account to sign with
- * @return Signature hex string (order: rsv)
- */
- public async signPersonalMessageAsync(data: string, address: string): Promise<string> {
- if (_.isUndefined(data)) {
- throw new Error(WalletSubproviderErrors.DataMissingForSignPersonalMessage);
- }
- assert.isHexString('data', data);
- assert.isETHAddressHex('address', address);
- const result: ECSignatureBuffer = await this._signing.signMsgHash(
- this._keystore,
- this._pwDerivedKey,
- data,
- address,
- this._keystore.hdPathString,
- );
-
- const signature = this._signing.concatSig(result);
-
- return signature;
- }
-}