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35 changes: 24 additions & 11 deletions sdk/src/accounts/grpcAccountSubscriber.ts
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ export class grpcAccountSubscriber<T> extends WebSocketAccountSubscriber<T> {
private stream: ClientDuplexStream<SubscribeRequest, SubscribeUpdate>;
private commitmentLevel: CommitmentLevel;
public listenerId?: number;
private enableReconnect: boolean;

private constructor(
client: Client,
Expand All @@ -26,11 +27,13 @@ export class grpcAccountSubscriber<T> extends WebSocketAccountSubscriber<T> {
program: Program,
accountPublicKey: PublicKey,
decodeBuffer?: (buffer: Buffer) => T,
resubOpts?: ResubOpts
resubOpts?: ResubOpts,
enableReconnect = false
) {
super(accountName, program, accountPublicKey, decodeBuffer, resubOpts);
this.client = client;
this.commitmentLevel = commitmentLevel;
this.enableReconnect = enableReconnect;
}

public static async create<U>(
Expand All @@ -57,7 +60,8 @@ export class grpcAccountSubscriber<T> extends WebSocketAccountSubscriber<T> {
program,
accountPublicKey,
decodeBuffer,
resubOpts
resubOpts,
grpcConfigs.enableReconnect
);
}

Expand Down Expand Up @@ -92,15 +96,24 @@ export class grpcAccountSubscriber<T> extends WebSocketAccountSubscriber<T> {
transactionsStatus: {},
};

this.stream.on('error', (error) => {
// @ts-ignore
if (error.code === 1) {
// expected: 1 CANCELLED: Cancelled on client
return;
} else {
console.error('GRPC unexpected error caught:', error);
}
});
if (this.enableReconnect) {
this.stream.on('error', (error) => {
// @ts-ignore
if (error.code === 1) {
// expected: 1 CANCELLED: Cancelled on client
console.error(
'GRPC (grpcAccountSubscriber) Cancelled on client caught:',
error
);
return;
} else {
console.error(
'GRPC (grpcAccountSubscriber) unexpected error caught:',
error
);
}
});
}

this.stream.on('data', (chunk: SubscribeUpdate) => {
if (!chunk.account) {
Expand Down
37 changes: 26 additions & 11 deletions sdk/src/accounts/grpcProgramAccountSubscriber.ts
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ export class grpcProgramAccountSubscriber<
private stream: ClientDuplexStream<SubscribeRequest, SubscribeUpdate>;
private commitmentLevel: CommitmentLevel;
public listenerId?: number;
private enableReconnect: boolean;

private constructor(
client: Client,
Expand All @@ -31,7 +32,8 @@ export class grpcProgramAccountSubscriber<
options: { filters: MemcmpFilter[] } = {
filters: [],
},
resubOpts?: ResubOpts
resubOpts?: ResubOpts,
enableReconnect = false
) {
super(
subscriptionName,
Expand All @@ -43,6 +45,7 @@ export class grpcProgramAccountSubscriber<
);
this.client = client;
this.commitmentLevel = commitmentLevel;
this.enableReconnect = enableReconnect;
}

public static async create<U>(
Expand Down Expand Up @@ -73,7 +76,8 @@ export class grpcProgramAccountSubscriber<
program,
decodeBufferFn,
options,
resubOpts
resubOpts,
grpcConfigs.enableReconnect
);
}

Expand Down Expand Up @@ -119,15 +123,26 @@ export class grpcProgramAccountSubscriber<
entry: {},
transactionsStatus: {},
};
this.stream.on('error', (error) => {
// @ts-ignore
if (error.code === 1) {
// expected: 1 CANCELLED: Cancelled on client
return;
} else {
console.error('GRPC unexpected error caught:', error);
}
});

if (this.enableReconnect) {
this.stream.on('error', (error) => {
// @ts-ignore
if (error.code === 1) {
// expected: 1 CANCELLED: Cancelled on client
console.error(
'GRPC (grpcProgramAccountSubscriber) Cancelled on client caught:',
error
);
return;
} else {
console.error(
'GRPC (grpcProgramAccountSubscriber) unexpected error caught:',
error
);
}
});
}

this.stream.on('data', (chunk: SubscribeUpdate) => {
if (!chunk.account) {
return;
Expand Down
5 changes: 5 additions & 0 deletions sdk/src/accounts/types.ts
Original file line number Diff line number Diff line change
Expand Up @@ -226,6 +226,11 @@ export type GrpcConfigs = {
token: string;
commitmentLevel?: CommitmentLevel;
channelOptions?: ChannelOptions;
/**
* Whether to enable automatic reconnection on connection loss .
* Defaults to false, will throw on connection loss.
*/
enableReconnect?: boolean;
};

export interface HighLeverageModeConfigAccountSubscriber {
Expand Down
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