- Zeppelin StandardToken with upgradeable trait (Golem like) and releaseable (owner can decide when tokens are transferred)
- Tokens are minted during the crowdsale (ZiberCrowdsale.assignTokens)
- Extra tokens for founders, seed round, etc. are minted after the crowdsale is over (ZiberTokenDistribution.distribute)
- Crowdsale priced in BGP (ZiberPricing.setConversionRate)
- Pricing has soft and hard cap (ZiberPricing.calculatePrice)
- Reaching soft cap triggers 240 hours (10 days) closing time (ZiberCrowdsale.triggerSoftCap)
- Crowdsale can whitelist early participants (Crowdsale.setEarlyParicipantWhitelist)
- Tokens are deposited to time locked vaults (MultiVault)
- The crowdsale can be stopped in emergency (Haltable)
OSX or Linux required.
Install solc 0.4.8. This exact version is required. Read full paragraph how to install it on OSX.
Install Populus in Python virtual environment.
Clone the repository and initialize submodules:
git clone --recursive git@github.com:ZiberLTD/contracts.git
First Install Python 3.5. Then in the repo folder:
cd contracts
python3.5 -m venv venv
source venv/bin/activate
pip install -r requirements.txt
pip install -e ico
Then test solc:
solc --version
solc, the solidity compiler commandline interface
Version: 0.4.8+commit.60cc1668.Darwin.appleclang
Then test populus:
populus
Usage: populus [OPTIONS] COMMAND [ARGS]...
...
Compile:
populus compile
Output will be in build folder.
Tests are written using py.test in tests folder.
Not to reinvent the wheel, we decided to go the more correct way and use the ready-made templates of ethereum smart contracts from the following projects:
https://github.com/OpenZeppelin/zeppelin-solidity
https://github.com/MysteriumNetwork/contracts
https://github.com/TokenMarketNet/ico
We express our deep gratitude to the developers of these projects without which there would not be a ziber voip (ziber.io).