42Ledger

Book Engine Dashboard

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42Ledger Book Engine

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Order Books

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Live Logs

Trade Tape 0 trades

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Market Share — Top Pairs by Volume

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Consolidated Depth

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Arbitrage Opportunities refreshing...

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Admin Console

Exchanges
Data Quality
System
API Keys

Exchange Configuration

View and manage connected exchanges. Live status shows real-time book counts and latency.

CodeStatusBooksAvg LatencyAuthToken Service
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Exchange Health Grid

Real-time health status of all 6 exchanges including books, latency, circuit breaker, errors, and message rates.

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Tiering Configuration

V2.3 tiering system: HOT/WARM/LONG_TAIL classification, auto-tier by volume, muted markets.

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VIP / API Credentials Status

Live status of exchange VIP credentials and API keys. Set credentials via fly secrets set KEY=value.

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Quick Setup (Fly.io)

fly secrets set \
  OKX_API_KEY=your-key \
  OKX_SECRET_KEY=your-secret \
  OKX_PASSPHRASE=your-pass \
  BINANCE_API_KEY=your-key \
  CDF_TOKEN=your-token

SEM aspas nos valores!


API Token Management

Securely store API tokens for external services. Tokens are encrypted at rest (AES-256-GCM) and masked in the UI.

ServiceKey (masked)CredentialsLabelAddedActions
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Exchange Fee Configuration

Configure taker and maker fees per exchange. These are used by the arbitrage engine for net edge calculations. Values are in percentage (e.g., 0.50 = 0.50%).

ExchangeTaker %Maker %UpdatedActions
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Book Quality Overview

Quality scoring distribution, flags, and worst-performing books across all exchanges.

QUALITY HISTOGRAM

QUALITY FLAGS

WORST 20 BOOKS

BookScoreStatusFlagsSpreadLatencyAge
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Top Offenders

Books with worst quality, widest spreads, and highest staleness across all exchanges.

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Foreign Exchange Rates

Real-time FX rates from CurrencyDataFeed (primary) and order book derived rates (fallback).

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FX Service Stats

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Service Level Objectives

SLO health checks with targets and current values. 8 SLO definitions covering freshness, uptime, quality, latency, and event loop.

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Data Pipeline

End-to-end data flow: inbound message rates, engine processing, arbitrage detection, persistence, and broadcasting.

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Runtime Information

Process info, memory usage, event loop health, and build information.

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Operation Profiling

Per-operation timing stats. Tracks slow calls (>=5ms) and logs operations exceeding 50ms.

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Error Log

Recent errors grouped by source component. Shows last 50 warn/error entries.

RECENT ERRORS

TimeLevelSourceMessage
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Audit Log

Admin action audit trail — token CRUD, fee updates, exchange config changes, API key operations.

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API Key Management

Generate and manage API keys for external clients. Keys are hashed (SHA-256) and can have per-key rate limits.

NameIDPermissionsRate LimitUsageStatusActions
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