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JSON-RPC Standardized API Communication

Issue #82 | State: OPEN | Created: 2026-01-23T04:31:30Z

Labels: enhancement

Updated: 2026-01-23T04:38:35Z | Closed: N/A

Summary

Standardize API communication using JSON-RPC 2.0 for consistent request/response patterns, batch requests, and structured error handling.

Tasks

Design JSON-RPC method namespace (market_*, order_*, account_*, admin_*)
Implement JSON-RPC server middleware (request parsing, batch support, error codes)
Define application error code taxonomy
Add subscription methods over WebSocket (market/orderbook/account updates)
Migrate existing REST endpoints to JSON-RPC methods
Create TypeScript JSON-RPC client SDK

Notes

JSON-RPC is familiar to blockchain developers (EVM JSON-RPC standard)
Can coexist with REST API during migration period
Batch requests useful for multi-order management