Atharva Ombase
40 lines
1.2 KiB
Solidity
40 lines
1.2 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.20;
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contract StudentData {
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struct Student {
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uint256 id;
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string name;
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uint8 age;
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string course;
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}
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Student[] private students;
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event StudentAdded(uint256 id, string name, string course);
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event FallbackCalled(address sender, uint value, string message);
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function addStudent(uint256 _id, string memory _name, uint8 _age, string memory _course) public {
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students.push(Student(_id, _name, _age, _course));
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emit StudentAdded(_id, _name, _course);
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}
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function getStudent(uint256 index) public view returns (uint256, string memory, uint8, string memory) {
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require(index < students.length, "Invalid index");
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Student memory s = students[index];
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return (s.id, s.name, s.age, s.course);
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}
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function getTotalStudents() public view returns (uint256) {
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return students.length;
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}
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fallback() external payable {
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emit FallbackCalled(msg.sender, msg.value, "Fallback function triggered!");
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}
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receive() external payable {
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emit FallbackCalled(msg.sender, msg.value, "Receive function triggered!");
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}
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}
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