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chore: improve time compleixty for sweepIncomingBuffer

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- O(n x h x m) to O(n x m)
This commit is contained in:
Danish Arora 2025-10-04 02:02:38 +05:30
parent e92f6a2409
commit b75a4b06fb
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GPG Key ID: 1C6EF37CDAE1426E
1 changed files with 8 additions and 6 deletions
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14
packages/sds/src/message_channel/message_channel.ts
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@ -62,6 +62,7 @@ export class MessageChannel extends TypedEventEmitter<MessageChannelEvents> {
private possibleAcks: Map<MessageId, number>;
private incomingBuffer: Array<ContentMessage | SyncMessage>;
private readonly localHistory: ILocalHistory;
private localHistoryIndex: Set<MessageId>;
private timeReceived: Map<MessageId, number>;
private readonly causalHistorySize: number;
private readonly possibleAcksThreshold: number;
@ -102,6 +103,9 @@ export class MessageChannel extends TypedEventEmitter<MessageChannelEvents> {
this.possibleAcks = new Map();
this.incomingBuffer = [];
this.localHistory = localHistory;
this.localHistoryIndex = new Set(
localHistory.slice(0).map((msg) => msg.messageId)
);
this.causalHistorySize =
options.causalHistorySize ?? DEFAULT_CAUSAL_HISTORY_SIZE;
// TODO: this should be determined based on the bloom filter parameters and number of hashes
@ -272,9 +276,7 @@ export class MessageChannel extends TypedEventEmitter<MessageChannelEvents> {
);
const missingDependencies = message.causalHistory.filter(
(messageHistoryEntry) =>
!this.localHistory.some(
({ messageId }) => messageId === messageHistoryEntry.messageId
)
!this.localHistoryIndex.has(messageHistoryEntry.messageId)
);
if (missingDependencies.length === 0) {
if (isContentMessage(message) && this.deliverMessage(message)) {
@ -471,9 +473,7 @@ export class MessageChannel extends TypedEventEmitter<MessageChannelEvents> {
const missingDependencies = message.causalHistory.filter(
(messageHistoryEntry) =>
!this.localHistory.some(
({ messageId }) => messageId === messageHistoryEntry.messageId
)
!this.localHistoryIndex.has(messageHistoryEntry.messageId)
);
if (missingDependencies.length > 0) {
@ -577,6 +577,7 @@ export class MessageChannel extends TypedEventEmitter<MessageChannelEvents> {
message.retrievalHint = retrievalHint;
this.filter.insert(messageId);
this.localHistory.push(message);
this.localHistoryIndex.add(messageId);
this.timeReceived.set(messageId, Date.now());
this.safeSendEvent(MessageChannelEvent.OutMessageSent, {
detail: message
@ -657,6 +658,7 @@ export class MessageChannel extends TypedEventEmitter<MessageChannelEvents> {
}
this.localHistory.push(message);
this.localHistoryIndex.add(message.messageId);
return true;
}