Start Emulator with the Flow CLI

Updated: 2022/10/24 bysideninja

1 min read

How to start Flow emulator from the command line

The Flow CLI provides a command to start an emulator. The Flow Emulator is a lightweight tool that emulates the behaviour of the real Flow network.

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flow emulator

⚠️ The emulator command expects configuration to be initialized. See flow init command.

Example Usage

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> flow emulator
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INFO[0000] ⚙️   Using service account 0xf8d6e0586b0a20c7  serviceAddress=f8d6e0586b0a20c7 ...
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...

To learn more about using the Emulator, have a look at the README of the repository.

Flags

Emulator Flags

You can specify any emulator flags found here and they will be applied to the emulator service.

Configuration

• Flag: --config-path
• Short Flag: -f
• Valid inputs: valid filename

Specify a filename for the configuration files, you can provide multiple configuration files by using -f flag multiple times.

Version Check

• Flag: --skip-version-check
• Default: false

Skip version check during start up to speed up process for slow connections.