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-rw-r--r--packages/subproviders/src/subproviders/ledger.ts18
-rw-r--r--packages/subproviders/src/subproviders/nonce_tracker.ts3
-rw-r--r--packages/subproviders/src/subproviders/subprovider.ts5
-rw-r--r--packages/subproviders/src/utils/wallet_utils.ts4
-rw-r--r--packages/subproviders/test/integration/ledger_subprovider_test.ts13
-rw-r--r--packages/subproviders/test/unit/ledger_subprovider_test.ts8
-rw-r--r--packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts5
-rw-r--r--packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts5
8 files changed, 38 insertions, 23 deletions
diff --git a/packages/subproviders/src/subproviders/ledger.ts b/packages/subproviders/src/subproviders/ledger.ts
index 347eda55f..467299db0 100644
--- a/packages/subproviders/src/subproviders/ledger.ts
+++ b/packages/subproviders/src/subproviders/ledger.ts
@@ -113,9 +113,12 @@ export class LedgerSubprovider extends BaseWalletSubprovider {
const tx = new EthereumTx(txParams);
// Set the EIP155 bits
- tx.raw[6] = Buffer.from([this._networkId]); // v
- tx.raw[7] = Buffer.from([]); // r
- tx.raw[8] = Buffer.from([]); // s
+ const vIndex = 6;
+ tx.raw[vIndex] = Buffer.from([this._networkId]); // v
+ const rIndex = 7;
+ tx.raw[rIndex] = Buffer.from([]); // r
+ const sIndex = 8;
+ tx.raw[sIndex] = Buffer.from([]); // s
const txHex = tx.serialize().toString('hex');
try {
@@ -127,7 +130,8 @@ export class LedgerSubprovider extends BaseWalletSubprovider {
tx.v = Buffer.from(result.v, 'hex');
// EIP155: v should be chain_id * 2 + {35, 36}
- const signedChainId = Math.floor((tx.v[0] - 35) / 2);
+ const eip55Constant = 35;
+ const signedChainId = Math.floor((tx.v[0] - eip55Constant) / 2);
if (signedChainId !== this._networkId) {
await this._destroyLedgerClientAsync();
const err = new Error(LedgerSubproviderErrors.TooOldLedgerFirmware);
@@ -169,8 +173,10 @@ export class LedgerSubprovider extends BaseWalletSubprovider {
fullDerivationPath,
ethUtil.stripHexPrefix(data),
);
- const v = result.v - 27;
- let vHex = v.toString(16);
+ const lowestValidV = 27;
+ const v = result.v - lowestValidV;
+ const hexBase = 16;
+ let vHex = v.toString(hexBase);
if (vHex.length < 2) {
vHex = `0${v}`;
}
diff --git a/packages/subproviders/src/subproviders/nonce_tracker.ts b/packages/subproviders/src/subproviders/nonce_tracker.ts
index 907330111..345e5e975 100644
--- a/packages/subproviders/src/subproviders/nonce_tracker.ts
+++ b/packages/subproviders/src/subproviders/nonce_tracker.ts
@@ -93,7 +93,8 @@ export class NonceTrackerSubprovider extends Subprovider {
// Increment the nonce from the previous successfully submitted transaction
let nonce = ethUtil.bufferToInt(transaction.nonce);
nonce++;
- let nextHexNonce = nonce.toString(16);
+ const hexBase = 16;
+ let nextHexNonce = nonce.toString(hexBase);
if (nextHexNonce.length % 2) {
nextHexNonce = `0${nextHexNonce}`;
}
diff --git a/packages/subproviders/src/subproviders/subprovider.ts b/packages/subproviders/src/subproviders/subprovider.ts
index 56d2381a0..cb6dffc4a 100644
--- a/packages/subproviders/src/subproviders/subprovider.ts
+++ b/packages/subproviders/src/subproviders/subprovider.ts
@@ -13,10 +13,11 @@ export abstract class Subprovider {
// Ported from: https://github.com/MetaMask/provider-engine/blob/master/util/random-id.js
private static _getRandomId(): number {
const extraDigits = 3;
+ const baseTen = 10;
// 13 time digits
- const datePart = new Date().getTime() * Math.pow(10, extraDigits);
+ const datePart = new Date().getTime() * Math.pow(baseTen, extraDigits);
// 3 random digits
- const extraPart = Math.floor(Math.random() * Math.pow(10, extraDigits));
+ const extraPart = Math.floor(Math.random() * Math.pow(baseTen, extraDigits));
// 16 digits
return datePart + extraPart;
}
diff --git a/packages/subproviders/src/utils/wallet_utils.ts b/packages/subproviders/src/utils/wallet_utils.ts
index cd5cd9ba0..c36fdb9fc 100644
--- a/packages/subproviders/src/utils/wallet_utils.ts
+++ b/packages/subproviders/src/utils/wallet_utils.ts
@@ -30,10 +30,10 @@ class DerivedHDKeyInfoIterator implements IterableIterator<DerivedHDKeyInfo> {
baseDerivationPath,
derivationPath: fullDerivationPath,
};
- const done = this._index === this._searchLimit;
+ const isDone = this._index === this._searchLimit;
this._index++;
return {
- done,
+ done: isDone,
value: derivedKey,
};
}
diff --git a/packages/subproviders/test/integration/ledger_subprovider_test.ts b/packages/subproviders/test/integration/ledger_subprovider_test.ts
index f1c634a77..8bf571041 100644
--- a/packages/subproviders/test/integration/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/integration/ledger_subprovider_test.ts
@@ -19,6 +19,8 @@ import { reportCallbackErrors } from '../utils/report_callback_errors';
chaiSetup.configure();
const expect = chai.expect;
+const DEFAULT_NUM_ACCOUNTS = 10;
+const EXPECTED_SIGNATURE_LENGTH = 132;
async function ledgerEthereumNodeJsClientFactoryAsync(): Promise<LedgerEthereumClient> {
const ledgerConnection = await TransportNodeHid.create();
@@ -40,7 +42,7 @@ describe('LedgerSubprovider', () => {
it('returns default number of accounts', async () => {
const accounts = await ledgerSubprovider.getAccountsAsync();
expect(accounts[0]).to.not.be.an('undefined');
- expect(accounts.length).to.be.equal(10);
+ expect(accounts.length).to.be.equal(DEFAULT_NUM_ACCOUNTS);
});
it('returns the expected accounts from a ledger set up with the test mnemonic', async () => {
const accounts = await ledgerSubprovider.getAccountsAsync();
@@ -104,7 +106,7 @@ describe('LedgerSubprovider', () => {
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
- expect(response.result.length).to.be.equal(10);
+ expect(response.result.length).to.be.equal(DEFAULT_NUM_ACCOUNTS);
done();
});
ledgerProvider.sendAsync(payload, callback);
@@ -122,7 +124,7 @@ describe('LedgerSubprovider', () => {
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
- expect(response.result.length).to.be.equal(132);
+ expect(response.result.length).to.be.equal(EXPECTED_SIGNATURE_LENGTH);
expect(response.result.substr(0, 2)).to.be.equal('0x');
done();
});
@@ -142,7 +144,7 @@ describe('LedgerSubprovider', () => {
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
- expect(response.result.length).to.be.equal(132);
+ expect(response.result.length).to.be.equal(EXPECTED_SIGNATURE_LENGTH);
expect(response.result.substr(0, 2)).to.be.equal('0x');
done();
});
@@ -196,7 +198,8 @@ describe('LedgerSubprovider', () => {
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
const result = response.result;
- expect(result.length).to.be.equal(66);
+ const signedTxLength = 66;
+ expect(result.length).to.be.equal(signedTxLength);
expect(result.substr(0, 2)).to.be.equal('0x');
done();
});
diff --git a/packages/subproviders/test/unit/ledger_subprovider_test.ts b/packages/subproviders/test/unit/ledger_subprovider_test.ts
index 892c2acd0..d5a125697 100644
--- a/packages/subproviders/test/unit/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/unit/ledger_subprovider_test.ts
@@ -20,6 +20,7 @@ import { reportCallbackErrors } from '../utils/report_callback_errors';
chaiSetup.configure();
const expect = chai.expect;
const FAKE_ADDRESS = '0xb088a3bc93f71b4de97b9de773e9647645983688';
+const DEFAULT_NUM_ACCOUNTS = 10;
describe('LedgerSubprovider', () => {
const networkId: number = 42;
@@ -72,7 +73,7 @@ describe('LedgerSubprovider', () => {
it('returns default number of accounts', async () => {
const accounts = await ledgerSubprovider.getAccountsAsync();
expect(accounts[0]).to.be.equal(FAKE_ADDRESS);
- expect(accounts.length).to.be.equal(10);
+ expect(accounts.length).to.be.equal(DEFAULT_NUM_ACCOUNTS);
});
it('returns requested number of accounts', async () => {
const numberOfAccounts = 20;
@@ -118,7 +119,7 @@ describe('LedgerSubprovider', () => {
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
- expect(response.result.length).to.be.equal(10);
+ expect(response.result.length).to.be.equal(DEFAULT_NUM_ACCOUNTS);
expect(response.result[0]).to.be.equal(FAKE_ADDRESS);
done();
});
@@ -175,7 +176,8 @@ describe('LedgerSubprovider', () => {
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
- expect(response.result.raw.length).to.be.equal(192);
+ const rawTxLength = 192;
+ expect(response.result.raw.length).to.be.equal(rawTxLength);
expect(response.result.raw.substr(0, 2)).to.be.equal('0x');
done();
});
diff --git a/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts b/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts
index 93300f47d..b27147e12 100644
--- a/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts
+++ b/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts
@@ -17,6 +17,7 @@ import { reportCallbackErrors } from '../utils/report_callback_errors';
chaiSetup.configure();
const expect = chai.expect;
+const DEFAULT_NUM_ACCOUNTS = 10;
describe('MnemonicWalletSubprovider', () => {
let subprovider: MnemonicWalletSubprovider;
@@ -32,7 +33,7 @@ describe('MnemonicWalletSubprovider', () => {
const accounts = await subprovider.getAccountsAsync();
expect(accounts[0]).to.be.equal(fixtureData.TEST_RPC_ACCOUNT_0);
expect(accounts[1]).to.be.equal(fixtureData.TEST_RPC_ACCOUNT_1);
- expect(accounts.length).to.be.equal(10);
+ expect(accounts.length).to.be.equal(DEFAULT_NUM_ACCOUNTS);
});
it('signs a personal message', async () => {
const data = ethUtils.bufferToHex(ethUtils.toBuffer(fixtureData.PERSONAL_MESSAGE_STRING));
@@ -89,7 +90,7 @@ describe('MnemonicWalletSubprovider', () => {
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
expect(response.result[0]).to.be.equal(fixtureData.TEST_RPC_ACCOUNT_0);
- expect(response.result.length).to.be.equal(10);
+ expect(response.result.length).to.be.equal(DEFAULT_NUM_ACCOUNTS);
done();
});
provider.sendAsync(payload, callback);
diff --git a/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts b/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts
index 9115186f4..7397d26f7 100644
--- a/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts
+++ b/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts
@@ -13,6 +13,7 @@ import { reportCallbackErrors } from '../utils/report_callback_errors';
const expect = chai.expect;
chaiSetup.configure();
+const DEFAULT_NUM_ACCOUNTS = 10;
describe('RedundantSubprovider', () => {
let provider: Web3ProviderEngine;
@@ -31,7 +32,7 @@ describe('RedundantSubprovider', () => {
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
- expect(response.result.length).to.be.equal(10);
+ expect(response.result.length).to.be.equal(DEFAULT_NUM_ACCOUNTS);
done();
});
provider.sendAsync(payload, callback);
@@ -54,7 +55,7 @@ describe('RedundantSubprovider', () => {
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
- expect(response.result.length).to.be.equal(10);
+ expect(response.result.length).to.be.equal(DEFAULT_NUM_ACCOUNTS);
done();
});
provider.sendAsync(payload, callback);