snsd0805/Credit-Card-System-smartcontract
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feat: log borrowing & repaying & bank warning

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snsd0805 2023-06-04 23:16:07 +08:00
parent a82c4e3197
commit 3687a3d49d
Signed by: snsd0805
GPG Key ID: 569349933C77A854
1 changed files with 30 additions and 0 deletions
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30
contracts/SoulboundToken.sol
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@ -10,6 +10,12 @@ contract SoulboundToken is ERC721, Ownable {
using Counters for Counters.Counter;
Counters.Counter private _tokenIds;
mapping(address => bool) isReliableBank;
event Borrow(address client, address bank, uint id, uint amount);
event Repay(address client, address bank, uint id, uint amount, bool finish);
event Warning(address client, address bank);
constructor() ERC721("Credit System Soulbound Token", "CS_SBT") {}
function mint(address player) public onlyOwner returns (uint256) {
@ -54,4 +60,28 @@ contract SoulboundToken is ERC721, Ownable {
return string(abi.encodePacked(a, uid_str, b));
}
modifier onlyBank {
require(isReliableBank[msg.sender] == true, "Only bank can access this function");
_;
}
function addReliableBank(address bank) public onlyOwner {
isReliableBank[bank] = true;
}
function removeReliableBank(address bank) public onlyOwner {
isReliableBank[bank] = false;
}
function logBorrowing(address client, uint id, uint amount) public onlyBank {
emit Borrow(client, msg.sender, id, amount);
}
function logRepaying(address client, uint id, uint amount, bool finish) public onlyBank {
emit Repay(client, msg.sender, id, amount, finish);
}
function logWarning(address client) public onlyBank {
emit Warning(client, msg.sender);
}
}