Use the way from this article.
Install the gem and add to the application's Gemfile by executing:
$ bundle add throttled_json_rpc_client
If bundler is not being used to manage dependencies, install the gem by executing:
$ gem install throttled_json_rpc_client
rpc_url = "https://1rpc.io/eth"
eth = JsonRpcClient::Eth.new(rpc_url)
p eth.block_numberThe rate limit on the server is called Rate Limiting, and the rate limit on the client is called Rate Throttling.
This rate throttling can be used in multi-threaded, multi-process, multi-machine environments.
rpc_url = "https://1rpc.io/eth"
# default equals to ThrottledJsonRpcClient::Eth.new(url, rate: 5, interval: 1, redis_urls: ["redis://localhost:6379/2"])
eth = ThrottledJsonRpcClient::Eth.new(rpc_url)
threads = []
10.times do
threads << Thread.new do
p eth.block_number
end
end
threads.map(&:join)see example
After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/wuminzhe/throttled_json_rpc_client. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.
The gem is available as open source under the terms of the MIT License.
Everyone interacting in the ThrottledJsonRpcClient project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.