Solidity balance Ex1

 

예제

//SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.7.0 <0.9.0;

contract GetBalance1 {
	function getBalance(address _addr) public view returns(uint) {
		return _addr.balance;
	}
}

 

Deploy

account: 0x5B38Da6a701c568545dCfcB03FcB875f56beddC4

creation of GetBalance1 pending...
[vm]from: 0x5B3...eddC4to: GetBalance1.(constructor)value: 0 weidata: 0x608...70033logs: 0hash: 0x935...560f6
status	true Transaction mined and execution succeed
transaction hash	0x935e0cf9a60f8690312505262024c9555f55227c0245e56378b336b2f9a560f6
from	0x5B38Da6a701c568545dCfcB03FcB875f56beddC4
to	GetBalance1.(constructor)
gas	155259 gas
transaction cost	135007 gas 
execution cost	135007 gas 
input	0x608...70033
decoded input	{}
decoded output	 - 
logs	[]
val	0 wei

 

getBalance함수실행

account: 0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2

call to GetBalance1.getBalance
CALL
[call]from: 0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2to: GetBalance1.getBalance(address)data: 0xf8b...c02db
from	0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2
to	GetBalance1.getBalance(address) 0xd9145CCE52D386f254917e481eB44e9943F39138
execution cost	24667 gas (Cost only applies when called by a contract)
input	0xf8b...c02db
decoded input	{
	"address _addr": "0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db"
}
decoded output	{
	"0": "uint256: 100000000000000000000"
}
logs	[]