Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
- Contract name:
- Coin
- Optimization enabled
- true
- Compiler version
- v0.8.21+commit.d9974bed
- Optimization runs
- 200
- EVM Version
- paris
- Verified at
- 2024-05-12T23:39:08.828118Z
src/Counter.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.4;
contract Coin {
// The keyword "public" makes variables
// accessible from other contracts
address public minter;
mapping(address => uint) public balances;
// Events allow clients to react to specific
// contract changes you declare
event Sent(address from, address to, uint amount);
// Constructor code is only run when the contract
// is created
constructor() {
minter = msg.sender;
}
// Sends an amount of newly created coins to an address
// Can only be called by the contract creator
function mint(address receiver, uint amount) public {
require(msg.sender == minter);
balances[receiver] += amount;
}
// Errors allow you to provide information about
// why an operation failed. They are returned
// to the caller of the function.
error InsufficientBalance(uint requested, uint available);
// Sends an amount of existing coins
// from any caller to an address
function send(address receiver, uint amount) public {
if (amount > balances[msg.sender])
revert InsufficientBalance({
requested: amount,
available: balances[msg.sender]
});
balances[msg.sender] -= amount;
balances[receiver] += amount;
emit Sent(msg.sender, receiver, amount);
}
}
Compiler Settings
{"remappings":["forge-std/=lib/forge-std/src/"],"outputSelection":{"*":{"*":["*"],"":["*"]}},"optimizer":{"runs":200,"enabled":true},"metadata":{"useLiteralContent":false,"bytecodeHash":"ipfs","appendCBOR":true},"libraries":{},"evmVersion":"paris"}
Contract ABI
[{"type":"constructor","stateMutability":"nonpayable","inputs":[]},{"type":"error","name":"InsufficientBalance","inputs":[{"type":"uint256","name":"requested","internalType":"uint256"},{"type":"uint256","name":"available","internalType":"uint256"}]},{"type":"event","name":"Sent","inputs":[{"type":"address","name":"from","internalType":"address","indexed":false},{"type":"address","name":"to","internalType":"address","indexed":false},{"type":"uint256","name":"amount","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"balances","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"mint","inputs":[{"type":"address","name":"receiver","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"minter","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"send","inputs":[{"type":"address","name":"receiver","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"}]}]
Contract Creation Code
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