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The initial token sale flow

In this page, you will find specific information about the initial token sale flow.
This page contains technical information. It is provided for advanced users.
For an example of a successful testnet sale on Kovan go here.
Note: gas amounts are calculated for May 2017 and parameters chosen for ANTv1.
Instantiation
1. Deploy sale – 1,425,663 gas
AragonTokenSale will be deployed 1 week prior to the beginning of the sale with the following parameters:
Initial block: TBC
Final block: Initial block + 172,800 (4 weeks)
Aragon Dev Multisig: TBC (2/3 confirms multisig with Jorge, Luis, Security key that can only be reconstructed by Jorge and Luis).
Community Multisig: TBC (3/5 confirms with Aragon Dev Multisig + 4 trusted members of community)
Initial price: 100
Final price: 66
Price stages: 2
Cap commitment: sealed commitment for the soft hidden cap.
2. sale.setANT() – 95,427 gas
setANT() needs to be called from the Aragon Multisig. Its parameters are:
ANT: An empty deployed instance of ANTv1.
ANPlaceholder: An Aragon Network placeholder contract with references to the AragonTokenSale and ANT.
Sale wallet: A contract that holds sale funds until final block.
Aragon Dev will perform setANT() immediately after deploying the sale so it is instantiated as soon as possible.
After deployANT() has been called, the sale contract will have two public addresses available:
token: The address of the official MiniMe ERC20-compatible ANTv1 token.
networkPlaceholder: The placeholder for the Aragon Network until its eventual deployment.
The sale will be the token controller during the sale. After the sale it will be the networkPlaceholder.
Aragon Dev will at this point prove the source code of the contracts using blockchain explorers.
Presale
The presale is the period between full sale instantiation to the initialBlock of the sale.
During the presale it is required that the sale is activated, failing to activate the sale during this period will cause the sale to never start.
3. sale.allocatePresaleTokens() – 209,075 gas
Aragon Dev will be able to allocate at its own discretion as many presale tokens as needed before the sale is activated.
Aragon Dev will only issue presale tokens to presale partners that took part in a private sale done for gathering the funds needed for the sale.
Presale tokens have cliff and vesting for avoiding market dumps.
4. sale.activateSale() – 2 * 42,862 gas
Both Aragon Dev and the Community Multisig must call activateSale() in order to consider the sale activated.
When both multisigs have called this function, the sale will be activated and no more presale allocations will be allowed.
Sale
If the presale is successful in activating the sale, the sale will start on the initial block.
5. Buy tokens: sale.fallback() || token.fallback() – 108,242 gas || 118,912 gas
After the sale is started, sending an ether amount greater than the dust value (1 finney) will result in tokens getting minted and assigned to the sender of the payment.
All the funds collected will be instantly sent to the Aragon Dev multisig for security.
Disclaimer: Please do not send directly from exchanges.
6. sale.revealCap()
During the sale, Aragon can reveal the hidden cap and cap secret resulting in the hard cap of the contract being modified by this new cap.
In case the cap is revealed and the sale contract has already raised an amount higher than the cap, the sale is automatically finalized.
7. sale.emergencyStopSale() – 43,864 gas
After the sale is activated, Aragon Dev will be able to stop the sale for an emergency.
8. sale.restartSale() – 14,031 gas
After the sale has been stopped for an emergency and the sale is still ongoing, Aragon Dev will be able to restart it.
After the sale has ended, it cannot be restarted. The sale can end in a stopped state without problem, but if enabled to restart after ending it could allow Aragon Dev to block the deployment of the network by the Community Multisig.
After sale
The after sale period is considered from the final block (inclusive) until the sale contract is destroyed.
9. sale.finalizeSale() – 105,348 gas
This method will mint an additional 3/7 of tokens so that at the end of the sale Aragon Dev will own 30% of all the ANTv1 supply.
In the process of doing so, it will make the ANPlaceholder the controller of the token contract. Which will make the token supply constant until the Aragon Network is deployed and it implements a new minting policy.
10. sale.deployNetwork() – 22,338 gas
After the sale is finalized, the Community Multisig will eventually be able to provide the address of an already deployed Aragon Network.
The ANPlaceholder will transfer its Token Controller power of ANTv1 to the deployed Aragon Network, allowing the Network to mint further tokens if the Network's governance decides to do so.
The sale contract is now selfdestructed in favor of the Aragon Network, though it shouldn't have any ether.
Token operations
transfer() – 95,121 gas
grantVestedTokens() – 163,094 gas