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Relay Cluster Common Library

Relay library contains common codes of all micro services like relay-cluster and extractor. Also other system can use those modules too. The module list in the library is :

  • broadcast - Order broadcast module, contains ipfs and matrix.
  • cache - The wrapped redis cache.
  • cloudwatch - Aws cloudwatch client, can report metric data and system alarm infomation.
  • crypto - The wrapped ethereum crypto module, has verifySign, sign, generateHash methods.
  • dao - The common database access layer, only support mysql now.
  • eth - The ethereum network access client, includes lot of useful class like eth accessor ABI gasPriceEvaluator
  • eventemitter - A in-process event driven programming tool.
  • extractor - The motan rpc interface of extractor microService.
  • kafka - The wrapped Kafka message producer/comsumer client.
  • log - The common log module with loopring log config.
  • marketcap - The coinmarketcap data collector.
  • marketutil - Loopring market and token common util module, contains meta data of tokens and market.
  • motan - The wrapped motan rpc client.
  • sns - The aws sns notify client.
  • types - Contains all common model definition in Loopring relay microService.
  • zklock - A distributed lock implement by zookeeper.