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EOS Fees (eosio.fees) Bun Test

Overview

The eosio.fees contract handles system fee distribution.

graph TD
    eosio --> |System fees in EOS| eosio.fees
    eosio.fees --> weights{% weights}
    weights -.-> |EOS Transfer| eosio.bpay
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Strategies

The eosio.fees contract is designed to distribute fees from any outstanding EOS balance to a set of strategies. Each strategy is responsible for distributing the fees to a specific pool or contract based on a predefined logic. Each strategy has an associated weight which determines the percentage of fees that will be distributed to that strategy.

Strategy Description
donatetorex Donate to REX - Distributes fees to REX pool which is distributed to REX holders over a 30 day period
buyramburn Buy RAM & Burn - Locks up additional EOS in RAM pool while reducing the total circulating supply of RAM
buyramself Buy RAM Self - Accumulates RAM bytes within the eosio.fees account
eosio.bpay Block Producer Pay - Sends EOS to eosio.bpay contract for distribution to block producers

Development and Testing

Build Instructions

To compile the contract, developers can use the following command:

$ cdt-cpp eosio.fees.cpp -I ./include

Testing Framework

The contract includes a comprehensive testing suite designed to validate its functionality. The tests are executed using the following commands:

$ npm test

> test
> bun test

Exported memory errors

TypeError: undefined is not an object (evaluating 'this.memory.buffer')

If you're using a version of CDT to build that doesn't support exported memory, you'll need to export it manually for VeRT tests to work.

# Grab wabt
sudo apt-get install wabt

# Create a temporary wat file and export the memory
wasm2wat eosio.fees.wasm | sed -e 's|(memory |(memory (export "memory") |' > eosio.fees.wat
wat2wasm -o eosio.fees.wasm eosio.fees.wat
rm eosio.fees.wat

You can also use the ./build.sh script that will handle building and exporting memory for you.