Files
public-pool/src/ORM/share-accounting/share-accounting.service.ts
T

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TypeScript

import { Injectable, OnModuleDestroy, OnModuleInit } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { AcceptedShareEntity } from '../accepted-share/accepted-share.entity';
import { RedisMessagingService } from '../../services/redis-messaging.service';
import { normalizePayoutMode, PayoutMode } from '../../types/payout-mode';
export interface AcceptedShareRecord {
protocol: 'sv1' | 'sv1_tls' | 'sv2' | 'sv2_jdp' | 'datum';
payoutMode?: PayoutMode;
workSource?: 'pool_template' | 'miner_template';
workProtocol?: 'pool' | 'sv2_jdp' | 'datum';
acceptedAt?: Date;
address: string;
clientName: string;
sessionId: string;
clientId: string;
jobId: string;
jobTemplateId: string;
blockHeight: number;
creditedDifficulty: number;
submissionDifficulty: number;
networkDifficulty: number;
nonce: string | number;
ntime: string | number;
version: string | number;
extraNonce2: string;
isBlockCandidate: boolean;
blockSubmissionResult?: string | null;
}
export interface ShareAccountingSummary {
totalAcceptedShares: number;
totalCreditedDifficulty: number;
acceptedSharesLast10Minutes: number;
creditedDifficultyLast10Minutes: number;
acceptedSharesLastHour: number;
creditedDifficultyLastHour: number;
acceptedSharesLastDay: number;
creditedDifficultyLastDay: number;
hashRateLast10Minutes: number;
hashRateLastHour: number;
bestSubmissionDifficulty: number;
bestSubmissionDifficultyAt: string | null;
workSinceLastBlock: number;
currentRoundAcceptedShares: number;
currentRoundNetworkDifficulty: number;
networkDifficultyPercent: number;
blockCandidateCount: number;
latestShareAt: string | null;
protocolBreakdown: {
protocol: string;
acceptedShares: number;
creditedDifficulty: number;
}[];
}
export interface SessionShareSummary {
clientId: string;
latestShareAt: string | null;
hashRateLast10Minutes: number;
bestSubmissionDifficulty: number;
}
export interface ShareRollupBatchResult {
processed: boolean;
reason?: 'disabled' | 'locked' | 'no-shares';
payoutMode?: PayoutMode;
batchId?: string;
startShareIndex?: string;
endShareIndex?: string;
acceptedShareCount?: number;
creditedDifficulty?: number;
}
interface AccountingFilter {
address?: string;
clientName?: string;
clientId?: string;
payoutMode?: PayoutMode;
}
const HASHES_PER_DIFFICULTY = 4294967296;
const ROLLUP_BUCKET_SECONDS = 600;
const DEFAULT_BATCH_SIZE = 500;
const DEFAULT_FLUSH_INTERVAL_MS = 25;
const DEFAULT_MAX_QUEUE_SIZE = 50000;
const DEFAULT_SUMMARY_CACHE_MS = 2500;
const DEFAULT_SUMMARY_CACHE_MAX = 10000;
const DEFAULT_REDIS_SUMMARY_CACHE_MS = 30000;
const DEFAULT_ROLLUP_INTERVAL_MS = 60000;
const DEFAULT_ROLLUP_SAFETY_LAG_SECONDS = 10;
const DEFAULT_ROLLUP_MAX_SHARES_PER_BATCH = 5000000;
const SHARE_ROLLUP_ADVISORY_LOCK = '1780962600';
@Injectable()
export class ShareAccountingService implements OnModuleInit, OnModuleDestroy {
private pendingShares: PendingShare[] = [];
private flushTimer: NodeJS.Timeout | null = null;
private activeFlush: Promise<void> | null = null;
private rollupTimer: NodeJS.Timeout | null = null;
private activeRollup: Promise<void> | null = null;
private summaryCache = new Map<string, SummaryCacheEntry>();
private readonly poolSummaryCacheKey = 'accounting:pool-summary';
private readonly batchSize = this.readPositiveInt('SHARE_ACCOUNTING_BATCH_SIZE', DEFAULT_BATCH_SIZE);
private readonly flushIntervalMs = this.readPositiveInt('SHARE_ACCOUNTING_FLUSH_INTERVAL_MS', DEFAULT_FLUSH_INTERVAL_MS);
private readonly maxQueueSize = this.readPositiveInt('SHARE_ACCOUNTING_MAX_QUEUE_SIZE', DEFAULT_MAX_QUEUE_SIZE);
private readonly summaryCacheMs = this.readNonNegativeInt('SHARE_ACCOUNTING_SUMMARY_CACHE_MS', DEFAULT_SUMMARY_CACHE_MS);
private readonly summaryCacheMax = this.readPositiveInt('SHARE_ACCOUNTING_SUMMARY_CACHE_MAX', DEFAULT_SUMMARY_CACHE_MAX);
private readonly redisSummaryCacheMs = this.readNonNegativeInt('SHARE_ACCOUNTING_REDIS_SUMMARY_CACHE_MS', DEFAULT_REDIS_SUMMARY_CACHE_MS);
private readonly shareRollupEnabled = this.readBoolean('SHARE_ROLLUP_ENABLED', true);
private readonly shareRollupIntervalMs = this.readPositiveInt('SHARE_ROLLUP_INTERVAL_MS', DEFAULT_ROLLUP_INTERVAL_MS);
private readonly shareRollupSafetyLagSeconds = this.readNonNegativeInt('SHARE_ROLLUP_SAFETY_LAG_SECONDS', DEFAULT_ROLLUP_SAFETY_LAG_SECONDS);
private readonly shareRollupMaxSharesPerBatch = this.readPositiveInt('SHARE_ROLLUP_MAX_SHARES_PER_BATCH', DEFAULT_ROLLUP_MAX_SHARES_PER_BATCH);
constructor(
@InjectRepository(AcceptedShareEntity)
private readonly acceptedShareRepository: Repository<AcceptedShareEntity>,
private readonly redisMessagingService?: RedisMessagingService,
) { }
public onModuleInit(): void {
this.startShareRollupTimer();
}
public async recordAcceptedShare(record: AcceptedShareRecord): Promise<AcceptedShareEntity> {
const acceptedShare = this.acceptedShareRepository.create({
...record,
payoutMode: normalizePayoutMode(record.payoutMode),
workSource: record.workSource ?? 'pool_template',
workProtocol: record.workProtocol ?? 'pool',
acceptedAt: record.acceptedAt ?? new Date(),
nonce: record.nonce.toString(),
ntime: record.ntime.toString(),
version: record.version.toString(),
blockSubmissionResult: record.blockSubmissionResult == null
? null
: record.blockSubmissionResult.toString(),
});
if (this.pendingShares.length >= this.maxQueueSize) {
throw new Error(`Share accounting queue is full (${this.maxQueueSize})`);
}
return await new Promise<AcceptedShareEntity>((resolve, reject) => {
this.pendingShares.push({ entity: acceptedShare, resolve, reject });
if (this.pendingShares.length >= this.batchSize) {
this.startFlush();
return;
}
this.scheduleFlush();
});
}
public async flushPendingShares(): Promise<void> {
while (this.pendingShares.length > 0 || this.activeFlush != null) {
if (this.activeFlush != null) {
await this.activeFlush;
continue;
}
this.startFlush();
}
}
public async onModuleDestroy(): Promise<void> {
if (this.rollupTimer != null) {
clearInterval(this.rollupTimer);
this.rollupTimer = null;
}
if (this.activeRollup != null) {
await this.activeRollup;
}
await this.flushPendingShares();
}
public async processPendingShareRollupBatch(): Promise<ShareRollupBatchResult> {
if (!this.shareRollupEnabled) {
return { processed: false, reason: 'disabled' };
}
return this.acceptedShareRepository.manager.transaction(async manager => {
const [lockRow] = await manager.query(`
SELECT pg_try_advisory_xact_lock($1::bigint) AS "locked"
`, [SHARE_ROLLUP_ADVISORY_LOCK]);
if (lockRow?.locked !== true) {
return { processed: false, reason: 'locked' };
}
const payoutMode: PayoutMode = 'pplns';
const [lastRow] = await manager.query(`
SELECT COALESCE(MAX("endShareIndex"), 0)::text AS "lastProcessedShareIndex"
FROM "share_rollup_batch"
WHERE "status" = 'finalized'
AND "payoutMode" = $1
`, [payoutMode]);
const lastProcessedShareIndex = lastRow?.lastProcessedShareIndex ?? '0';
const [rangeRow] = await manager.query(`
WITH last_state AS MATERIALIZED (
SELECT $1::bigint AS "lastProcessedShareIndex"
),
first_unstable AS MATERIALIZED (
SELECT MIN("shareIndex") AS "firstUnstableShareIndex"
FROM "accepted_share_entity", last_state
WHERE "shareIndex" > last_state."lastProcessedShareIndex"
AND "payoutMode" = $4
AND "acceptedAt" > NOW() - ($2::int * INTERVAL '1 second')
),
stable_bound AS MATERIALIZED (
SELECT
CASE
WHEN (SELECT "firstUnstableShareIndex" FROM first_unstable) IS NULL THEN (
SELECT MAX("shareIndex")
FROM "accepted_share_entity", last_state
WHERE "shareIndex" > last_state."lastProcessedShareIndex"
AND "payoutMode" = $4
)
ELSE (SELECT "firstUnstableShareIndex" FROM first_unstable) - 1
END AS "maxStableShareIndex"
),
bounded AS MATERIALIZED (
SELECT "shareIndex"
FROM "accepted_share_entity", last_state, stable_bound
WHERE "shareIndex" > last_state."lastProcessedShareIndex"
AND "shareIndex" <= stable_bound."maxStableShareIndex"
AND "payoutMode" = $4
ORDER BY "shareIndex" ASC
LIMIT $3::int
)
SELECT
MIN("shareIndex")::text AS "startShareIndex",
MAX("shareIndex")::text AS "endShareIndex",
COUNT(*)::int AS "acceptedShareCount"
FROM bounded
`, [
lastProcessedShareIndex,
this.shareRollupSafetyLagSeconds,
this.shareRollupMaxSharesPerBatch,
payoutMode,
]);
if (rangeRow?.startShareIndex == null || rangeRow?.endShareIndex == null || this.toNumber(rangeRow.acceptedShareCount) === 0) {
return { processed: false, reason: 'no-shares' };
}
const [statsRow] = await manager.query(`
SELECT
MIN("acceptedAt") AS "startAcceptedAt",
MAX("acceptedAt") AS "endAcceptedAt",
COUNT(*)::bigint AS "acceptedShareCount",
COALESCE(SUM("creditedDifficulty"), 0)::numeric AS "creditedDifficulty"
FROM "accepted_share_entity"
WHERE "shareIndex" >= $1::bigint
AND "shareIndex" <= $2::bigint
AND "payoutMode" = $3
`, [rangeRow.startShareIndex, rangeRow.endShareIndex, payoutMode]);
if (statsRow?.startAcceptedAt == null || this.toNumber(statsRow.acceptedShareCount) === 0) {
return { processed: false, reason: 'no-shares' };
}
const [batchRow] = await manager.query(`
INSERT INTO "share_rollup_batch" (
"startShareIndex",
"endShareIndex",
"payoutMode",
"startAcceptedAt",
"endAcceptedAt",
"acceptedShareCount",
"creditedDifficulty",
"status",
"finalizedAt"
) VALUES (
$1::bigint,
$2::bigint,
$3,
$4::timestamptz,
$5::timestamptz,
$6::bigint,
$7::numeric,
'finalized',
NOW()
)
RETURNING "id"::text AS "batchId"
`, [
rangeRow.startShareIndex,
rangeRow.endShareIndex,
payoutMode,
statsRow.startAcceptedAt,
statsRow.endAcceptedAt,
statsRow.acceptedShareCount,
statsRow.creditedDifficulty,
]);
await manager.query(`
INSERT INTO "share_rollup_batch_summary" (
"batchId",
"payoutMode",
"address",
"clientName",
"protocol",
"blockHeight",
"creditedDifficulty",
"acceptedShareCount",
"bestSubmissionDifficulty",
"firstShareAt",
"lastShareAt"
)
SELECT
$1::bigint AS "batchId",
"payoutMode",
"address",
"clientName",
"protocol",
"blockHeight",
SUM("creditedDifficulty") AS "creditedDifficulty",
COUNT(*)::bigint AS "acceptedShareCount",
MAX("submissionDifficulty") AS "bestSubmissionDifficulty",
MIN("acceptedAt") AS "firstShareAt",
MAX("acceptedAt") AS "lastShareAt"
FROM "accepted_share_entity"
WHERE "shareIndex" >= $2::bigint
AND "shareIndex" <= $3::bigint
AND "payoutMode" = $4
GROUP BY "payoutMode", "address", "clientName", "protocol", "blockHeight"
`, [
batchRow.batchId,
rangeRow.startShareIndex,
rangeRow.endShareIndex,
payoutMode,
]);
return {
processed: true,
payoutMode,
batchId: batchRow.batchId,
startShareIndex: rangeRow.startShareIndex,
endShareIndex: rangeRow.endShareIndex,
acceptedShareCount: this.toNumber(statsRow.acceptedShareCount),
creditedDifficulty: this.toNumber(statsRow.creditedDifficulty),
};
});
}
public async getPoolSummary(payoutMode?: PayoutMode): Promise<ShareAccountingSummary> {
const mode = payoutMode == null ? undefined : normalizePayoutMode(payoutMode);
const poolSummaryCacheKey = mode == null ? this.poolSummaryCacheKey : `${this.poolSummaryCacheKey}:${mode}`;
const cached = await this.redisMessagingService
?.getJsonCache<ShareAccountingSummary>(poolSummaryCacheKey)
.catch(error => {
console.error(`Pool accounting summary cache read failed: ${error.message}`);
return null;
});
if (cached != null) {
return cached;
}
if (process.env.API_ONLY === 'true') {
return this.emptySummary();
}
return this.getSummary({ payoutMode: mode });
}
public async refreshPoolSummary(payoutMode?: PayoutMode): Promise<ShareAccountingSummary> {
const mode = payoutMode == null ? undefined : normalizePayoutMode(payoutMode);
const poolSummaryCacheKey = mode == null ? this.poolSummaryCacheKey : `${this.poolSummaryCacheKey}:${mode}`;
const summary = await this.withPoolRollupOverlay(await this.getSummary({ payoutMode: mode }), mode);
await this.redisMessagingService
?.setJsonCache(poolSummaryCacheKey, summary, 10 * 60 * 1000)
.catch(error => {
console.error(`Pool accounting summary cache write failed: ${error.message}`);
});
return summary;
}
private async withPoolRollupOverlay(summary: ShareAccountingSummary, payoutMode?: PayoutMode): Promise<ShareAccountingSummary> {
if (process.env.API_ONLY === 'true') {
return summary;
}
const [currentRoundRow] = await this.acceptedShareRepository.query(`
WITH latest_found_block AS (
SELECT COALESCE(MAX("height"), 0) AS "height"
FROM "blocks_entity"
${payoutMode == null ? '' : 'WHERE "payoutMode" = $1'}
),
filtered_rows AS (
SELECT "accepted_share_block_10m".*
FROM "accepted_share_block_10m", latest_found_block
WHERE "blockHeight" > latest_found_block."height"
${payoutMode == null ? '' : 'AND "payoutMode" = $1'}
),
best_share AS (
SELECT
"bestSubmissionDifficulty",
"bucket"
FROM filtered_rows
ORDER BY "bestSubmissionDifficulty" DESC, "bucket" DESC
LIMIT 1
)
SELECT
COALESCE(SUM("acceptedCount"), 0)::int AS "currentRoundAcceptedShares",
COALESCE(SUM("shares"), 0)::float AS "workSinceLastBlock",
COALESCE(MAX("networkDifficulty"), 0)::float AS "currentRoundNetworkDifficulty",
COALESCE((SELECT "bestSubmissionDifficulty" FROM best_share), 0)::float AS "bestSubmissionDifficulty",
(SELECT "bucket" FROM best_share) AS "bestSubmissionDifficultyAt"
FROM filtered_rows
`, payoutMode == null ? [] : [payoutMode]);
const currentRoundNetworkDifficulty = this.toNumber(currentRoundRow?.currentRoundNetworkDifficulty);
const workSinceLastBlock = this.toNumber(currentRoundRow?.workSinceLastBlock);
const liveBestSubmissionDifficulty = this.toNumber(currentRoundRow?.bestSubmissionDifficulty);
const liveBestSubmissionDifficultyAt = currentRoundRow?.bestSubmissionDifficultyAt == null
? null
: new Date(currentRoundRow.bestSubmissionDifficultyAt).toISOString();
const retainedBest = await this.getRetainedBestSubmissionDifficulty(payoutMode);
const retainedBestSubmissionDifficulty = this.toNumber(retainedBest?.bestSubmissionDifficulty);
const useRetainedBest = retainedBestSubmissionDifficulty > liveBestSubmissionDifficulty;
return {
...summary,
bestSubmissionDifficulty: useRetainedBest
? retainedBestSubmissionDifficulty
: liveBestSubmissionDifficulty,
bestSubmissionDifficultyAt: useRetainedBest
? retainedBest?.bestSubmissionDifficultyAt ?? null
: liveBestSubmissionDifficultyAt,
workSinceLastBlock,
currentRoundAcceptedShares: this.toNumber(currentRoundRow?.currentRoundAcceptedShares),
currentRoundNetworkDifficulty,
networkDifficultyPercent: currentRoundNetworkDifficulty > 0
? this.roundPercent((workSinceLastBlock / currentRoundNetworkDifficulty) * 100)
: 0,
};
}
private async getRetainedBestSubmissionDifficulty(payoutMode?: PayoutMode): Promise<{
bestSubmissionDifficulty: number;
bestSubmissionDifficultyAt: string | null;
} | null> {
try {
const [row] = await this.acceptedShareRepository.query(`
SELECT
"submissionDifficulty"::float AS "bestSubmissionDifficulty",
"acceptedAt" AS "bestSubmissionDifficultyAt"
FROM "accepted_share_high_score"
WHERE "scope" = 'all_time'
AND "payoutMode" = $1
ORDER BY "submissionDifficulty" DESC, "acceptedAt" DESC
LIMIT 1
`, [payoutMode ?? 'all']);
if (row == null) {
return null;
}
return {
bestSubmissionDifficulty: this.toNumber(row.bestSubmissionDifficulty),
bestSubmissionDifficultyAt: row.bestSubmissionDifficultyAt == null
? null
: new Date(row.bestSubmissionDifficultyAt).toISOString(),
};
} catch (error) {
if (error?.code === '42P01') {
return null;
}
throw error;
}
}
public emptySummary(): ShareAccountingSummary {
return {
totalAcceptedShares: 0,
totalCreditedDifficulty: 0,
acceptedSharesLast10Minutes: 0,
creditedDifficultyLast10Minutes: 0,
acceptedSharesLastHour: 0,
creditedDifficultyLastHour: 0,
acceptedSharesLastDay: 0,
creditedDifficultyLastDay: 0,
hashRateLast10Minutes: 0,
hashRateLastHour: 0,
bestSubmissionDifficulty: 0,
bestSubmissionDifficultyAt: null,
workSinceLastBlock: 0,
currentRoundAcceptedShares: 0,
currentRoundNetworkDifficulty: 0,
networkDifficultyPercent: 0,
blockCandidateCount: 0,
latestShareAt: null,
protocolBreakdown: [],
};
}
public async getAddressSummary(address: string, payoutMode?: PayoutMode): Promise<ShareAccountingSummary> {
return this.getSummary({ address, payoutMode });
}
public async getWorkerGroupSummary(address: string, clientName: string, payoutMode?: PayoutMode): Promise<ShareAccountingSummary> {
return this.getSummary({ address, clientName, payoutMode });
}
public async getSessionSummary(clientId: string, payoutMode?: PayoutMode): Promise<ShareAccountingSummary> {
return this.getSummary({ clientId, payoutMode });
}
public async getSessionSummaries(clientIds: string[]): Promise<Map<string, SessionShareSummary>> {
const uniqueClientIds = [...new Set(clientIds.filter(clientId => clientId != null))];
const summaries = new Map<string, SessionShareSummary>();
if (uniqueClientIds.length === 0 || process.env.API_ONLY === 'true') {
return summaries;
}
const rows = await this.acceptedShareRepository.query(`
WITH clock AS MATERIALIZED (
SELECT
time_bucket(INTERVAL '10 minutes', NOW()) AS "currentBucket"
),
latest_bucket AS MATERIALIZED (
SELECT "bucket"
FROM "accepted_share_10m", clock
WHERE "bucket" < clock."currentBucket"
ORDER BY "bucket" DESC
LIMIT 1
),
bounds AS MATERIALIZED (
SELECT
"currentBucket",
COALESCE(
(SELECT "bucket" FROM latest_bucket),
"currentBucket" - INTERVAL '10 minutes'
) AS "latestCompletedBucket"
FROM clock
),
filtered_rows AS (
SELECT "accepted_share_10m".*, bounds."latestCompletedBucket"
FROM "accepted_share_10m", bounds
WHERE "clientId" = ANY($1::uuid[])
)
SELECT
"clientId",
MAX("bucket") AS "latestShareAt",
COALESCE((SUM("shares") FILTER (WHERE "bucket" = "latestCompletedBucket") * ${HASHES_PER_DIFFICULTY}) / ${ROLLUP_BUCKET_SECONDS}, 0)::float AS "hashRateLast10Minutes"
FROM filtered_rows
GROUP BY "clientId"
`, [uniqueClientIds]);
rows.forEach(row => {
summaries.set(row.clientId, {
clientId: row.clientId,
latestShareAt: row.latestShareAt == null
? null
: new Date(row.latestShareAt).toISOString(),
hashRateLast10Minutes: this.toNumber(row.hashRateLast10Minutes),
bestSubmissionDifficulty: 0,
});
});
return summaries;
}
private async getSummary(filter: AccountingFilter): Promise<ShareAccountingSummary> {
const cacheKey = this.getSummaryCacheKey(filter);
const cached = this.summaryCache.get(cacheKey);
const now = Date.now();
if (cached != null && cached.expiresAt > now) {
return cached.value;
}
const value = this.loadCachedSummary(filter, cacheKey).catch(error => {
this.summaryCache.delete(cacheKey);
throw error;
});
if (this.summaryCacheMs > 0) {
this.summaryCache.set(cacheKey, {
expiresAt: now + this.summaryCacheMs,
value,
});
this.trimSummaryCache();
}
return value;
}
private async loadCachedSummary(filter: AccountingFilter, cacheKey: string): Promise<ShareAccountingSummary> {
const redisCacheKey = `accounting:summary:${cacheKey}`;
const cached = await this.redisMessagingService
?.getJsonCache<ShareAccountingSummary>(redisCacheKey)
.catch(error => {
console.error(`Share accounting summary cache read failed: ${error.message}`);
return null;
});
if (cached != null) {
return cached;
}
const summary = await this.loadSummary(filter);
await this.redisMessagingService
?.setJsonCache(redisCacheKey, summary, this.redisSummaryCacheMs)
.catch(error => {
console.error(`Share accounting summary cache write failed: ${error.message}`);
});
return summary;
}
private async loadSummary(filter: AccountingFilter): Promise<ShareAccountingSummary> {
const { whereSql, params } = this.buildWhereClause(filter);
const [summary] = await this.acceptedShareRepository.query(`
WITH clock AS MATERIALIZED (
SELECT
time_bucket(INTERVAL '10 minutes', NOW()) AS "currentBucket"
),
latest_bucket AS MATERIALIZED (
SELECT "bucket"
FROM "accepted_share_10m", clock
WHERE "bucket" < clock."currentBucket"
ORDER BY "bucket" DESC
LIMIT 1
),
bounds AS MATERIALIZED (
SELECT
"currentBucket",
COALESCE(
(SELECT "bucket" FROM latest_bucket),
"currentBucket" - INTERVAL '10 minutes'
) AS "latestCompletedBucket"
FROM clock
),
filtered_rows AS (
SELECT "accepted_share_10m".*, bounds."currentBucket", bounds."latestCompletedBucket"
FROM "accepted_share_10m", bounds
${whereSql.length > 0
? `${whereSql} AND "accepted_share_10m"."bucket" <= bounds."latestCompletedBucket"`
: `WHERE "accepted_share_10m"."bucket" <= bounds."latestCompletedBucket"`}
)
SELECT
COALESCE(SUM("acceptedCount"), 0)::int AS "totalAcceptedShares",
COALESCE(SUM("shares"), 0)::float AS "totalCreditedDifficulty",
COALESCE(SUM("acceptedCount") FILTER (WHERE "bucket" = "latestCompletedBucket"), 0)::int AS "acceptedSharesLast10Minutes",
COALESCE(SUM("shares") FILTER (WHERE "bucket" = "latestCompletedBucket"), 0)::float AS "creditedDifficultyLast10Minutes",
COALESCE(SUM("acceptedCount") FILTER (WHERE "bucket" > "latestCompletedBucket" - INTERVAL '1 hour' AND "bucket" <= "latestCompletedBucket"), 0)::int AS "acceptedSharesLastHour",
COALESCE(SUM("shares") FILTER (WHERE "bucket" > "latestCompletedBucket" - INTERVAL '1 hour' AND "bucket" <= "latestCompletedBucket"), 0)::float AS "creditedDifficultyLastHour",
COALESCE(SUM("acceptedCount") FILTER (WHERE "bucket" > "latestCompletedBucket" - INTERVAL '1 day' AND "bucket" <= "latestCompletedBucket"), 0)::int AS "acceptedSharesLastDay",
COALESCE(SUM("shares") FILTER (WHERE "bucket" > "latestCompletedBucket" - INTERVAL '1 day' AND "bucket" <= "latestCompletedBucket"), 0)::float AS "creditedDifficultyLastDay",
COALESCE((SUM("shares") FILTER (WHERE "bucket" = "latestCompletedBucket") * ${HASHES_PER_DIFFICULTY}) / ${ROLLUP_BUCKET_SECONDS}, 0)::float AS "hashRateLast10Minutes",
COALESCE((SUM("shares") FILTER (WHERE "bucket" > "latestCompletedBucket" - INTERVAL '1 hour' AND "bucket" <= "latestCompletedBucket") * ${HASHES_PER_DIFFICULTY}) / 3600, 0)::float AS "hashRateLastHour",
MAX("bucket") AS "latestShareAt"
FROM filtered_rows
`, params);
return {
totalAcceptedShares: this.toNumber(summary?.totalAcceptedShares),
totalCreditedDifficulty: this.toNumber(summary?.totalCreditedDifficulty),
acceptedSharesLast10Minutes: this.toNumber(summary?.acceptedSharesLast10Minutes),
creditedDifficultyLast10Minutes: this.toNumber(summary?.creditedDifficultyLast10Minutes),
acceptedSharesLastHour: this.toNumber(summary?.acceptedSharesLastHour),
creditedDifficultyLastHour: this.toNumber(summary?.creditedDifficultyLastHour),
acceptedSharesLastDay: this.toNumber(summary?.acceptedSharesLastDay),
creditedDifficultyLastDay: this.toNumber(summary?.creditedDifficultyLastDay),
hashRateLast10Minutes: this.toNumber(summary?.hashRateLast10Minutes),
hashRateLastHour: this.toNumber(summary?.hashRateLastHour),
bestSubmissionDifficulty: 0,
bestSubmissionDifficultyAt: null,
workSinceLastBlock: 0,
currentRoundAcceptedShares: 0,
currentRoundNetworkDifficulty: 0,
networkDifficultyPercent: 0,
blockCandidateCount: 0,
latestShareAt: summary?.latestShareAt == null
? null
: new Date(summary.latestShareAt).toISOString(),
protocolBreakdown: [],
};
}
private scheduleFlush(): void {
if (this.flushTimer != null || this.activeFlush != null) {
return;
}
this.flushTimer = setTimeout(() => {
this.flushTimer = null;
this.startFlush();
}, this.flushIntervalMs);
this.flushTimer.unref?.();
}
private startFlush(): void {
if (this.activeFlush != null) {
return;
}
if (this.flushTimer != null) {
clearTimeout(this.flushTimer);
this.flushTimer = null;
}
const batch = this.pendingShares.splice(0, this.batchSize);
if (batch.length === 0) {
return;
}
this.activeFlush = this.flushBatch(batch).finally(() => {
this.activeFlush = null;
if (this.pendingShares.length >= this.batchSize) {
this.startFlush();
return;
}
if (this.pendingShares.length > 0) {
this.scheduleFlush();
}
});
}
private async flushBatch(batch: PendingShare[]): Promise<void> {
try {
await this.acceptedShareRepository.insert(batch.map(item => item.entity));
batch.forEach(item => item.resolve(item.entity));
} catch (error) {
batch.forEach(item => item.reject(error));
}
}
private startShareRollupTimer(): void {
if (!this.shareRollupEnabled || process.env.MASTER !== 'true') {
return;
}
this.rollupTimer = setInterval(() => {
if (this.activeRollup != null) {
return;
}
this.activeRollup = this.processPendingShareRollupBatch()
.then(result => {
if (result.processed) {
console.log(`Share rollup batch ${result.batchId} finalized: indexes ${result.startShareIndex}-${result.endShareIndex}, shares ${result.acceptedShareCount}, difficulty ${result.creditedDifficulty}`);
}
})
.catch(error => {
console.error(`Share rollup batch failed: ${error.message}`);
})
.finally(() => {
this.activeRollup = null;
});
}, this.shareRollupIntervalMs);
this.rollupTimer.unref?.();
}
private buildWhereClause(filter: AccountingFilter): { whereSql: string; params: string[] } {
const where: string[] = [];
const params: string[] = [];
if (filter.address != null) {
params.push(filter.address);
where.push(`"address" = $${params.length}`);
}
if (filter.clientName != null) {
params.push(filter.clientName);
where.push(`"clientName" = $${params.length}`);
}
if (filter.clientId != null) {
params.push(filter.clientId);
where.push(`"clientId" = $${params.length}`);
}
if (filter.payoutMode != null) {
params.push(filter.payoutMode);
where.push(`"payoutMode" = $${params.length}`);
}
return {
whereSql: where.length > 0 ? `WHERE ${where.join(' AND ')}` : '',
params,
};
}
private toNumber(value: unknown): number {
const parsed = Number(value ?? 0);
return Number.isFinite(parsed) ? parsed : 0;
}
private roundPercent(value: number): number {
return Math.round(value * 1_000_000) / 1_000_000;
}
private getSummaryCacheKey(filter: AccountingFilter): string {
return JSON.stringify({
address: filter.address ?? null,
clientName: filter.clientName ?? null,
clientId: filter.clientId ?? null,
payoutMode: filter.payoutMode ?? null,
});
}
private trimSummaryCache(): void {
while (this.summaryCache.size > this.summaryCacheMax) {
const firstKey = this.summaryCache.keys().next().value;
if (firstKey == null) {
return;
}
this.summaryCache.delete(firstKey);
}
}
private readPositiveInt(name: string, defaultValue: number): number {
const value = Number(process.env[name]);
return Number.isInteger(value) && value > 0 ? value : defaultValue;
}
private readNonNegativeInt(name: string, defaultValue: number): number {
const value = Number(process.env[name]);
return Number.isInteger(value) && value >= 0 ? value : defaultValue;
}
private readBoolean(name: string, defaultValue: boolean): boolean {
const value = process.env[name]?.toLowerCase();
if (value == null || value.length === 0) {
return defaultValue;
}
return value === 'true' || value === '1' || value === 'yes';
}
}
interface PendingShare {
entity: AcceptedShareEntity;
resolve: (entity: AcceptedShareEntity) => void;
reject: (error: unknown) => void;
}
interface SummaryCacheEntry {
expiresAt: number;
value: Promise<ShareAccountingSummary>;
}