Questions tagged [crowdsale]
The crowdsale tag has no usage guidance.
13
questions
11
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1
answer
2k
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Is it possible to create ICO crowdsale seamlessly accepting multiple assets?
Most of the ICO crowdsales accept ETH only.
Some accept BTC.
Very few accept other assets.
I was thinking about creating crowdsale that would accept as many assets as possible.
While creating, ...
- 971
7
votes
3
answers
5k
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Error encountered, bailing. Network state unknown. Review successful transactions manually
Problem
I get the following error after running $ truffle migrate --reset:
Running migration: 1_initial_migration.js Replacing Migrations...
... ...
- 311
1
vote
2
answers
562
views
ICO crowdsale without smart contract
I see that there are some ICO who collect ETH without smart contract and would like to know the negatives and positives for such decision.
Thank you
- 13
9
votes
0
answers
1k
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Pre ico and ico crowdsale contracts [closed]
Can you please recommend the best way to organize pre-ICO and ICO using Etherium smart contracts.
I have found two options:
1) To make 2 different contracts and after ICO merge them (pre-ICO with ...
- 91
2
votes
1
answer
856
views
Contract final touches. Problem with CappedCrowdsale
I am finalizing this basic but clean Crowdsale code. However, there is ParserError with "contract Cappedcrowdsale". Why?
It does refer to Crowdsale though.
Please check if this is a legit Smart ...
- 93
1
vote
2
answers
1k
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How to give opening and closing time for contract in remix
I have implemented a timed crowdsale contract and it's constructor is like this:
function NeoCrowdsale(uint256 _openingTime, uint256 _closingTime) public {
require(_openingTime >= now);
...
- 333
6
votes
3
answers
1k
views
how to setup multicurrency ICO / Crowdsale
I'm having difficulty finding information on how to setup a contract that accepts multi-currency like bitcoin, wave, ripple, etc. And also looking for a solution to distribute my tokens to these ...
- 817
3
votes
1
answer
1k
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If a contract's function calls a function of another contract within it, is the address of the contract the msg.sender?
For example, a crowdsale contract has a function that creates an ERC20 token called "token" using a token contract that is already defined further up in the code being deployed. The constructor ...
- 696
2
votes
1
answer
1k
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Is it possible to divide my crowdsale contract into multiple files in order to solve gas issue?
I'm trying to deploy a crowdsale contract, which is using open zeppelin, on ropsten network but I got gas related error. The error says "please check your gas amount". How can I solve it? I think this ...
- 1,473
1
vote
1
answer
585
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Implementation of an Allowance Crowdsale. Token Interface / _prevalidatePurchase-/_delivertokens-function
I am new to solidity coding and after I created some basic contracts as well as a ERC20 token contract I wanted to create a crowdsale contract. Now I am stuck and I have a question regarding the ...
- 61
0
votes
1
answer
354
views
Mist - Rinkeby Test Net - No Longer Sending Confirmations
Im sure this is a very simple problem that one of the brilliant geniuses on this site should be able to answer! I have been testing a sample crowdsale using the Tutorials on https://ethereum.org/...
- 101
0
votes
1
answer
683
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Crowdsale Tokens
Saw your question about holding of tokens in a crowdsale, and now see its better that ICO contract holds all the tokens.
Appreciate your help. How do I allocate all the tokens in owners wallet to the ...
- 1
0
votes
1
answer
745
views
Can someone explein me this Multi mint function (Solidity)?
I came accross this function to mint token for a crowdsale but I don't understand the meaning of the bit shift operations and what bit array should represent.. what is this code doing ? The code can ...
