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Inter-contract execution in Solidity
pragma solidity ^0.5.0;
contract Base {
uint x;
constructor() public {
x = 10;
function setX(uint _x) public returns(bool) {
x = _x;
return true;
function getX() public view returns(uint) {
return x;
contract Caller {
function getBaseX(address baseAddress) public view returns(uint) {
Base baseContract = Base(baseAddress);
return baseContract.getX();
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