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Created April 25, 2017 09:32
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Swarm notes - 25th Apr 2017
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lmars-swarm-notes-2017-04-25.md

Lmars Swarm Notes - 25th Apr 2017

In the past week:

  • Added integration tests for the swarm CLI: ethereum/go-ethereum#14353. These are similar to the geth integration tests, executing the current running binary but with a hook to run the CLI app rather than the tests, which avoids the need to compile a separate binary.

  • Added an "exec" adapter to the network simulation framework which supports running protocols using the devp2p stack as child processes: ethersphere/swarm#70.

  • Added a "docker" adapter which is similar to the exec adapter but runs the nodes in docker containers: ethersphere/swarm#71. That PR also includes a change to do RPC over stdin / stdout (so we don't need to access the node's filesystem or TCP stack).

Upcoming:

  • Add a "flynn" adapter which runs nodes in a Flynn cluster. This will allow us to spin up clusters in Azure / AWS / GCP / bare metal using the Flynn installer, run some simulations then spin the cluster back down again.

  • Refactor the in-process adapter to use RPC to provide a consistent API across all adapters (this means you can just pass a node.Service to any adapter, be it in-process, exec, docker or flynn).

  • Add some hooks for storing benchmarks and metrics in a time-series database (perhaps Prometheus).

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