Stacrypt

Stacrypt is a multi-cryptocurrency exchange.

Directory Structure

stacrypt
|-- documentation
|   |-- stacrypt-api-doc
|   `-- stacrypt-meta
|
|-- utility
|   |-- cryptodaemon
|   `-- bootstacrypt
|
|-- font-end
|   |-- stacrypt-web
|   |-- stacrypt-android (TODO)
|   `-- stacrypt-ios (TODO)
|
|-- services
|   |-- stawallet
|   |-- stemerald
|   |-- stexchange
|   |-- stauth (DEPRECATED)
|   `-- stamatcher (DEPRECATED)
|
|-- add-on services
|   |-- stariskless (TODO)
|   `-- stamaker (TODO)
|
|-- common
|   `-- stapi-common (DEPRECATED)
|
`-- admin
    `-- stawallet-web (TODO)

Repositories
stacrypt-api-doc
stacrypt-meta
cryptodaemon
bootstacrypt
stacrypt-web
stawallet
stemerald
stexchange

Technology Stack

Architecture:

Technology	Development	Deployment
OS	Ubuntu	Alpine + Ubuntu
Container	(Docker)	Docker
Cluster	(Docker Compose)	Kubernate
Secret Manager	Vault	Vault
Service Discovery	Consul	Consul
Broker	ZooKeeper	ZooKeeper

Backend:

Technology	StaWallet	StExchange	StEmerald
Language	Kotlin	C	Python
Framework	Ktor	network	Restfulpy
API	Json-RPC + REST	Json-RPC + Websocket	REST
Streaming	-	Kafka	-
Database	Xodus	MySQL + REDIS	REDIS
Database Migration	-	-	Alembic

Frontend:

Technology	Web	Android	iOS
Language	Kotlin	KotlinJS	KotlinNative + Swift
Framework	React	Anko	-
Interface	Material	Material	Material
Build System	Webpack	Gradle	-

Services

Stawallet

The main cryptocurrency wallet

RPC API

• createPayment(): {address: String, data: String} Return an address and maybe a data to receive new cryptocurrency transaction. Usage is different per cryptocurrency. For example:
  • Bitcoin: Return a new address (without any data)
  • Ethereum: Return a new address (without any data)
  • Ripple: Return a static address and a new invoice_id

Rest API (Admin)

• /wallets/{cryptocurrency_code} GET Returns the complete information about each wallet

• /wallets/{cryptocurrency_code}/transactions GET

• /wallets/{cryptocurrency_code}/addresses GET

Components

stawallet

The main cryptocurrency wallet

Inputs:

• A synchronized daemon of each cryptocurrency

Cryptocurrency support:

• Bitcoin: bitcoind
• Litecoin: litecoind
• Ethereum: geth
• Ripple: rippled

stawallet-web

Web front-end of stawallet-server