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solidity-crowdsale

Thre are a set of solidity contracts that can be used to create a crowdsale for a token. The contracts are based on the old OpenZeppelin 2.5.1 contracts, but updated to use the latest OpenZeppelin 5.0.0 contracts...

why

Because the old OpenZeppelin 2.5.1 contracts are not compatible with the latest solidity and I am in need of some contracts to create a crowdsale for a token... Then I ended up upgrading it all and decided to share it with the world.

known limitations

Very limited access control. You must implement your own access control for the crowdsale if you want to use full OpenZeppelin 5.0.0 access control features. Current version supports 4.x.x version due compiler incompatibility for Polygon is some development platforms and IDEs. When these guys solve that i simply upgrade the version, sorry bro!

how to use

Directly override the contract you want to use, functionallity is the same as the old OpenZeppelin 2.5.1 contracts.

The contracts are:

└-crowdsale
	|- crowdsale.sol: base contract for managing a token crowdsale.
	|-abstractions
	|	|- finalizable.sol: extension where a contract can be finalized.
	|	|- mintable.sol: ERC20 mintable token utility.
	|	|- refundable.sol: extension where a transacton can be refunded by Escrow.
	|	└- secondary.sol: used as secondary Context. 
	|-distribution
	|	|- finalizableCrowdsale.sol: adds finalization logic to a crowdsale.
	|	|- postDeliveryCrowdsale.sol: adds post delivery logic to a crowdsale.
	|	|- refundableCrowdsale.sol: adds refund logic to a crowdsale.
	|	└- refundablePostDeliveryCrowdsale.sol: adds refund and finalization logic to a post delivery crowdsale.
	|-emission
	|	|- allowanceCrowdsale.sol: adds token allowance logic to a crowdsale.
	|	└- mintedCrowdsale.sol: adds minting logic to a crowdsale.
	|-price
	|	└- increasingPriceCrowdsale.sol: adds increasing price logic to a crowdsale.
	└-validation
		|- finalizableCrowdsale.sol: adds finalization logic to a crowdsale.
		|- postDeliveryCrowdsale.sol: adds post delivery logic to a crowdsale.
		|- timedCrowdsale.sol: adds timed logic to a crowdsale.
		└- whitelistedCrowdsale.sol: adds whitelisting logic to a crowdsale.

And remember: @ManOguaR rules!