IBOX系统开发核心功能和部分核心源码

IBOX系统核心功能如下：
　　一、藏品上链
　　数字藏品简单上链，一键快速发行；
　　二、藏品分销
　　有强大推广分销功能，用户变成推销者；
　　三、多端合一
H5端 小程序端，一套系统自由生成；
　　四、链上赠予
支持藏品赠予功能，完善用户体验；
五、接口开放
可接入原有APP，小程序等。

以下是iobx系统里藏品单位合成的核心源码

from IBOX import IBOX_ART
import json

# https://etherscan.io/tx/0xbede5e44cc631303a22d066cc269f989469742b5bb6d9a74185e146dab9211e4
# https://mainnet.infura.io/v3/8a264f274fd94de48eb290d35db030ab
# contract address is0x0632aDCab8F12edD3b06F99Dc6078FE1FEDD32B0 

from web3 import Web3
my_provider = Web3.HTTPProvider('https://mainnet.infura.io/v3/8a264f274fd94de48eb290d35db030ab')
w3 = Web3(my_provider)

def main():
    
    contract_address = '0x0632aDCab8F12edD3b06F99Dc6078FE1FEDD32B0'
    contract_abi = json.load(open('surge.abi', 'r'))
    # print(contract_abi)

    mycontract = w3.eth.contract(address=contract_address, abi=contract_abi)
    name = mycontract.functions.name().call()
    print(name)

    symbol = mycontract.functions.symbol().call()
    print(symbol)

    tokenURI = mycontract.functions.tokenURI(1802).call()
    print(tokenURI)

    pass

if __name__ == '__main__':
    main()

使用merkle tree

/// @notice Presale minting verifies callers address is in Merkle Root
/// @param _amountOfTokens Amount of tokens to mint
/// @param _merkleProof Hash of the callers address used to verify the location of that address in the Merkle Root
function presaleMint(uint256 _amountOfTokens, bytes32[] calldata _merkleProof)
    external
    payable
    verifyMaxPerUser(msg.sender, _amountOfTokens)
    verifyMaxSupply(_amountOfTokens)
    isEnoughEth(_amountOfTokens)
{
    
    
    require(status == SaleStatus.Presale, "Presale not active");

    bytes32 leaf = keccak256(abi.encodePacked(msg.sender));
    require(MerkleProof.verify(_merkleProof, merkleRoot, leaf), "Not in presale list");

    _mintedAmount[msg.sender] += _amountOfTokens;
    _safeMint(msg.sender, _amountOfTokens);
}

设置merkle root

/// @notice Set Presale Merkle Root
/// @param _merkleRoot Merkle Root hash
function setMerkleRoot(bytes32 _merkleRoot) public onlyOwner {
    
    
    merkleRoot = _merkleRoot;
}