Snow is a digital currency exchange engine written in node.js.
Snow uses postgresql as its database engine and is currently being developed for Ubuntu 12.04.
It currently supports deposits and withdrawals operations on Bitcoin, Litecoin and Ripple as well as a trading engine.
A fully functional Snow system includes 7 roles, the install scripts are located in the /ops/ folder
| Role | Install script | Description |
|---|---|---|
| pgm | /ops/pg/master.sh | The database master, all the write queries are sent to this node |
| pgs | /ops/pg/slave.sh | The read only node acts a live backup of the master |
| api | /ops/api/setup.sh | The API node exposes the API to the web server. It is responsible for most of the database operations and contain the business logic |
| workers | /ops/workers/setup.sh | The workers communicates to the database and is reponsible to relay transactions from and to the Bitcoin, Litecoin and Ripple networks |
| web | not included | The client facing web server that communicates with the API |
| bitcoin | not included | The Bitcoin node that communicates to the workers via RPC calls |
| litecoin | not included | The Litecoin node that communicates to the workers via RPC calls |
| Path | Content | Description |
|---|---|---|
| /admin/ | admin | node.js code for the snow admin interface role |
| /workers/ | worker | node.js code for the workers role |
| /api/ | api | node.js code for the snow api server role |
| /client/ | client api | node.js client library for accessing the market |
| /db/ | database scripts | Contains initialization, migration and test scripts for the postgresql database |
| /docs/ | documentation | API and Activity types documentation |
| /ops/ | snow-ops | Installation scripts and network topology |