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authorJacob Evans <jacob@dekz.net>2018-10-09 15:26:13 +0800
committerJacob Evans <jacob@dekz.net>2018-10-09 16:01:36 +0800
commit9e8031d5e3cf94cabe07685be510397367e90413 (patch)
tree548a3918ed9eb5325db3973d76924907b142aae0 /packages/website/ts
parente1236a484623e9d2caab823c476175cb255ae816 (diff)
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Throw and handle errors from Providers.
In web3 wrapper when a response contains an error field we throw this rather than return response.result which is often undefined. In Signature Utils we handle the error thrown when a user rejects the signing dialogue to prevent double signing. Exposed the ZeroExTransaction JSON schema. In Website only use the MetamaskSubprovider if we can detect the provider is Metamask
Diffstat (limited to 'packages/website/ts')
-rw-r--r--packages/website/ts/blockchain.ts12
1 files changed, 9 insertions, 3 deletions
diff --git a/packages/website/ts/blockchain.ts b/packages/website/ts/blockchain.ts
index 652f2eb1d..b1181e4c6 100644
--- a/packages/website/ts/blockchain.ts
+++ b/packages/website/ts/blockchain.ts
@@ -17,6 +17,7 @@ import {
MetamaskSubprovider,
RedundantSubprovider,
RPCSubprovider,
+ SignerSubprovider,
Web3ProviderEngine,
} from '@0xproject/subproviders';
import { SignedOrder, Token as ZeroExToken } from '@0xproject/types';
@@ -27,8 +28,6 @@ import * as _ from 'lodash';
import * as moment from 'moment';
import * as React from 'react';
import contract = require('truffle-contract');
-import { tokenAddressOverrides } from 'ts/utils/token_address_overrides';
-
import { BlockchainWatcher } from 'ts/blockchain_watcher';
import { AssetSendCompleted } from 'ts/components/flash_messages/asset_send_completed';
import { TransactionSubmitted } from 'ts/components/flash_messages/transaction_submitted';
@@ -54,6 +53,7 @@ import { backendClient } from 'ts/utils/backend_client';
import { configs } from 'ts/utils/configs';
import { constants } from 'ts/utils/constants';
import { errorReporter } from 'ts/utils/error_reporter';
+import { tokenAddressOverrides } from 'ts/utils/token_address_overrides';
import { utils } from 'ts/utils/utils';
import FilterSubprovider = require('web3-provider-engine/subproviders/filters');
@@ -161,7 +161,13 @@ export class Blockchain {
// We catch all requests involving a users account and send it to the injectedWeb3
// instance. All other requests go to the public hosted node.
const provider = new Web3ProviderEngine();
- provider.addProvider(new MetamaskSubprovider(injectedWeb3.currentProvider));
+ const providerName = this._getNameGivenProvider(injectedWeb3.currentProvider);
+ // Wrap Metamask in a compatability wrapper MetamaskSubprovider (to handle inconsistencies)
+ const signerSubprovider =
+ providerName === Providers.Metamask
+ ? new MetamaskSubprovider(injectedWeb3.currentProvider)
+ : new SignerSubprovider(injectedWeb3.currentProvider);
+ provider.addProvider(signerSubprovider);
provider.addProvider(new FilterSubprovider());
const rpcSubproviders = _.map(publicNodeUrlsIfExistsForNetworkId, publicNodeUrl => {
return new RPCSubprovider(publicNodeUrl);