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middleware-waves-balance-processor Build Status

Middleware service for handling user balance

Installation

This module is a part of middleware services. You can install it in 2 ways:

  1. through core middleware installer middleware installer
  2. by hands: just clone the repo, do 'npm install', set your .env - and you are ready to go
About

This module is used for updating balances for the specified addresses (see a description of addresses manipulation in rest module).

How does it work?

Block processor send message about transaction through rabbitmq to this middleware. Then middleware update balance and assets for changed accounts. After middleware send message throught rabbitmq with the following format:

{ address: '3JfE6tjeT7PnpuDQKxiVNLn4TJUFhuMaaT5',
 balance: '1028000004216500',
 assets: { '8V15mJPWMiriHQZwrjLGAoQNP84yutotnSmVrFKBGFtZ': 10000000 },
 tx: { 
    type: 4,
    id: 'FBrL9hxvTivF6o4RS6vP7UKsUyHcEFS5bZLph7o6C8Qk',
    sender: '3JfE6tjeT7PnpuDQKxiVNLn4TJUFhuMaaT5',
    senderPublicKey: 'GbGEY3XVc2ohdv6hQBukVKSTQyqP8rjQ8Kigkj6bL57S',
    fee: 100000,
    timestamp: 1528221884910,
    signature: '56FFotc1da4wr4SrGZ85qGH3E9XrbVawyUVQGF3HWcZfmZw5PQLkgYPDZWcp45xseU1Sr2RjLt6WHrPXf7imgGz5',
    recipient: '3Jk2fh8aMBmhCQCkBcUfKBSEEa3pDMkDjCr',
    assetId: null,
    amount: 100,
    feeAsset: null,
    attachment: 'string',
    blockNumber: 4925,
    hash: '56FFotc1da4wr4SrGZ85qGH3E9XrbVawyUVQGF3HWcZfmZw5PQLkgYPDZWcp45xseU1Sr2RjLt6WHrPXf7imgGz5',
    address: '3JfE6tjeT7PnpuDQKxiVNLn4TJUFhuMaaT5' 
 } 
}
сonfigure your .env

To apply your configuration, create a .env file in root folder of repo (in case it's not present already). Below is the expamle configuration:

MONGO_ACCOUNTS_URI=mongodb://localhost:27017/data
MONGO_ACCOUNTS_COLLECTION_PREFIX=waves
RABBIT_URI=amqp://localhost:5672
RABBIT_SERVICE_NAME=app_waves
NETWORK=development
RPC=http://localhost:6869
BLOCK_GENERATION_TIME=60

The options are presented below:

name description
MONGO_URI the URI string for mongo connection
MONGO_COLLECTION_PREFIX the default prefix for all mongo collections. The default value is 'waves'
MONGO_ACCOUNTS_URI the URI string for mongo connection, which holds users accounts (if not specified, then default MONGO_URI connection will be used)
MONGO_ACCOUNTS_COLLECTION_PREFIX the collection prefix for accounts collection in mongo (If not specified, then the default MONGO_COLLECTION_PREFIX will be used)
RABBIT_URI rabbitmq URI connection string
RABBIT_SERVICE_NAME namespace for all rabbitmq queues, like 'app_waves_transaction'
NETWORK network name (alias)- is used for connecting via http node (see block processor section)
RPC the path to waves rest api for get balance for user
BLOCK_GENERATION_TIME generation time for block
SYSTEM_RABBIT_URI rabbitmq URI connection string for infrastructure
SYSTEM_RABBIT_SERVICE_NAME rabbitmq service name for infrastructure
SYSTEM_RABBIT_EXCHANGE rabbitmq exchange name for infrastructure
CHECK_SYSTEM check infrastructure or not (default = true)
CHECK_WAIT_TIME interval for wait respond from requirements

License

GNU AGPLv3

Copyright

LaborX PTY