This is a program that is crowdfunding which is able to operate in Ethereum network. There are two type of users in this contract, The first one is a Funder who fund for funding success. The second one is a Fundraiser who create a funding for his project.
When Fundraiser create a funding, he needs to set up title, subtitle, content, goalAmount, minAvailableAmount, beginTime, endTime about his funding.
In order to withdraw Ether from a funding as Fundraiser, You need a successful funding that stored in this smart contract.
In order to withdraw Ether from a funding as Funder, A funding state must be failed or progress.
- The
getBalancemethod that is located in crowdFunding would show you balance of this contract. - All of Coin unit is wei.
node >7.x.x && <17.x.xtruffle ^5.5.x (If you want to test on private network or deploy contract.)
- Make
.secretfile on root directory and put the mnemonic that you set up when you created the Ethereum account in.secretfile.- If you don't have an Ethereum account, create it here.
- Change account value to yours in
/js/CrowdFunding.js. - Refer To the API List below and modify the
/app.jsfor What you want to do.
| Method | Params | Description |
|---|---|---|
| getFunding | id | Return funding that is id that you put funding in contract. |
| getFundings | Return all of Fundings in contract. | |
| createFunding | title, subTitle, content, goalAmount, availableMinAmount, beginTime, endTime | |
| fund | id, amount | |
| getMyFundingAccountPapers | id | This method would return receipts that you funded at id. |
| withdrawAsFunder | id | This method possible you to get a refund from funding that you funded. |
| withdrawAsFundraiser | id | When funding finished successfully, You can withdraw from funding that you made. |
| setAvailableMinAmount | id, amount | This method change funding 'available min amount'. |
| Network | Contract | Txn Hash |
|---|---|---|
| Ropsten | 0x8732FE7a3D5337836C85A2CDa5D371Ebc5308780 | 0xce227e8679e93e5ed3929d4fb40a9e5c1bbfc969941906ff7c832f72af3950c7 |
| Contract | Type | Bases | ||
|---|---|---|---|---|
| Function Name | Visibility | Mutability | Modifiers | |
| CrowdFunding | Implementation | FundraiserHandler, FunderHandler | ||
| L | getBalance | Public ❗️ | NO❗️ | |
| L | getFundings | external ❗️ | 🛑 | NO❗️ |
| L | getFunding | external ❗️ | 🛑 | NO❗️ |
| FundraiserHandler | Implementation | FundingHandler | ||
| L | setAvailableMinAmount | External ❗️ | 🛑 | ownerOfFunding |
| L | withdrawAsFundraiser | External ❗️ | 🛑 | fundingSucceeded |
| FundingHandler | Implementation | FundingFactory, FundingCoinManager | ||
| FundingFactory | Implementation | |||
| L | createFunding | External ❗️ | 🛑 | NO❗️ |
| FundingCoinManager | Implementation | |||
| L | withdraw | Internal 🔒 | 🛑 | |
| FunderHandler | Implementation | FundingHandler | ||
| L | fund | External ❗️ | 💵 | availableFund |
| L | withdrawAsFunder | External ❗️ | 🛑 | funded fundingInProgressOrFailed |
| L | getMyFundingAccountPapers | External ❗️ | NO❗️ | |
| L | _popAccountPaperAmount | Private 🔐 | 🛑 | |
| L | _removeMyAccountPaperIds | Private 🔐 | 🛑 |
| Symbol | Meaning |
|---|---|
| 🛑 | Function can modify state |
| 💵 | Function is payable |
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