111 faucet rate limiter

[blackode]

Description

Provide a limit for the number of faucet transactions within the period of time.

Fixes #111

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

Configuration

The following two variables has been set in config.exs

# Faucet rate limit in Number of transactions.
config :archethic, :faucet_rate_limit, 3

# Faucet rate limit Expiry time in milliseconds (one hour)
config :archethic, :faucet_rate_limit_expiry, 3_600_000

How Has This Been Tested?

Make 4 faucet transactions within an hour. At present limited to only three transactions per hour. When you try to make fourth transaction, you will get a flash "Archived address" and time left to retry

• Faucet Controller Test

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented on my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[apoorv-2204]

Able to withdraw from different nodes. IDK if it is a issue .

[blackode]

#269 (comment)
@apoorv-2204 can you show me how did you test this?

[apoorv-2204]

#269 (comment) @apoorv-2204 can you show me how did you test this?

Hello,, docker build -t aen . There are 3 nodes and 3 endpoints So I think we can with draw 3 times from each nodes.May be we have to implement logic at txn level, to avoid being withdrawn from multiple nodes?? IDK

[apoorv-2204]

Hello,

From Testing: I was able to withdraw 3-times from each of the node.