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Network stress testing

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Prerequisites

This guide assumes that:

  • You have a working ZChains network up and running

  • Both your JSON-RPC and GRPC endpoints are reachable

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Overview

The ZChains Loadbot is a helper utility that is meant to stress test a ZChains network.

Currently, it supports 2 modes:

  • transfer - mode that does stress testing using fund-transfer transactions. [Default].

  • deploy - mode that deploys specified smart contracts with each transaction.

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Transfer Mode

The transfer mode assumes that there is a sender account that has initial funds to conduct the loadbot run.

The sender's account address and private key need to be set in the environment variables:

# Example
export LOADBOT_0x9A2E59d06899a383ef47C1Ec265317986D026055=154c4bc0cca942d8a0b49ece04d95c872d8f53d34b8f2ac76253a3700e4f1151

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Deploy Mode

The deploy mode conducts contract deployment with each new transaction in the loadbot run. The contract being deployed can be specified using specific flagsarrow-up-right, or if the contract path is omitted, a default Greeter.sol contractarrow-up-right is used instead.

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Terminology

This section covers some basic terminology regarding the loadbot configuration.

  • count - The number of transactions to be submitted in the specified mode

  • tps - The number of transactions that should be submitted to the node per second

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Start the loadbot

As an example, here is a valid command you can use to run the loadbot using two premined accounts:

You should get a result similar to this on your terminal :

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