makerdao / setzer-mcd

Setzer MCD

Query USD price feeds

Usage

Usage: setzer <command> [<args>]
   or: setzer <command> --help

Commands:

   help            Print help about setzer or one of its subcommands
   pairs           List all supported pairs
   price           Show price(s) for a given asset or pair
   sources         Show price sources for a given asset or pair
   test            Test all price feeds

Installation

Dependencies:

• GNU bc
• curl
• GNU datamash
• GNU date
• jshon
• GNU timeout

Install via make:

• make link - link setzer into /usr/local
• make install - copy setzer into /usr/local
• make uninstall - remove setzer from /usr/local

Configuration

• SETZER_CACHE - Cache directory (default: ~/.setzer)
• SETZER_CACHE_EXPIRY - Cache expiry (default: 60) seconds
• SETZER_TIMEOUT - HTTP request timeout (default: 10) seconds

wstETH pair requirement

Due to process of pulling details from mainnet for getting price information. You need to set ETH_RPC_URL environemnt variable. By default it will point to http://127.0.0.1:8545.

Example of usage:

export ETH_RPC_URL="https://mainnet.infura.io/v3/fac98e56ea7e49608825dfc726fab703"

Fx/Exchangerates API Key

Since latest changes in Exchangerates API, now it requires API key. To set API Key for this exchange you can use EXCHANGERATES_API_KEY env variable.

Example:

$ EXCHANGERATES_API_KEY=your_api_key setzer fx krwusd