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-rw-r--r--packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts13
1 files changed, 11 insertions, 2 deletions
diff --git a/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts
index 04f69bc3d..9cc661080 100644
--- a/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts
@@ -9,7 +9,7 @@ import {
} from '@0xproject/types';
import { intervalUtils } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import { Block, BlockAndLogStreamer } from 'ethereumjs-blockstream';
+import { Block, BlockAndLogStreamer, Log } from 'ethereumjs-blockstream';
import * as _ from 'lodash';
import {
@@ -39,7 +39,7 @@ export abstract class ContractWrapper {
public abstract abi: ContractAbi;
protected _web3Wrapper: Web3Wrapper;
protected _networkId: number;
- private _blockAndLogStreamerIfExists?: BlockAndLogStreamer;
+ private _blockAndLogStreamerIfExists: BlockAndLogStreamer<Block, Log> | undefined;
private _blockAndLogStreamIntervalIfExists?: NodeJS.Timer;
private _filters: { [filterToken: string]: FilterObject };
private _filterCallbacks: {
@@ -163,6 +163,7 @@ export abstract class ContractWrapper {
this._blockAndLogStreamerIfExists = new BlockAndLogStreamer(
this._web3Wrapper.getBlockAsync.bind(this._web3Wrapper),
this._web3Wrapper.getLogsAsync.bind(this._web3Wrapper),
+ this._onBlockAndLogStreamerError.bind(this),
);
const catchAllLogFilter = {};
this._blockAndLogStreamerIfExists.addLogFilter(catchAllLogFilter);
@@ -180,6 +181,14 @@ export abstract class ContractWrapper {
this._onLogStateChanged.bind(this, isRemoved),
);
}
+ private _onBlockAndLogStreamerError(err: Error): void {
+ // Propogate all Blockstream subscriber errors to all
+ // top-level subscriptions
+ const filterCallbacks = _.values(this._filterCallbacks);
+ _.each(filterCallbacks, filterCallback => {
+ filterCallback(err);
+ });
+ }
private _onReconcileBlockError(err: Error): void {
const filterTokens = _.keys(this._filterCallbacks);
_.each(filterTokens, filterToken => {