Solidity is an open source contract language created in 2014 by Christian Reitwiessner and Alex Beregszaszi.
| #40on PLDB | 10Years Old | 87kRepos |
git clone https://github.com/ethereum/soliditySolidity is a contract-oriented programming language for writing smart contracts. It is used for implementing smart contracts on various blockchain platforms. It was developed by Gavin Wood, Christian Reitwiessner, Alex Beregszaszi, Liana Husikyan, Yoichi Hirai and several former Ethereum core contributors to enable writing smart contracts on blockchain platforms such as Ethereum.. Read more on Wikipedia...
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;
contract HelloWorld {
function helloWorld() external pure returns (string memory) {
return "Hello, World!";
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.4.0;
contract Square {
function square(uint32 num) public pure returns (uint32) {
return num * num;
}
}
pragma solidity ^0.8.9;
contract HelloWorld {
function render () public pure returns (string memory) {
return 'Hello World';
}
}
contract GavCoin
{
mapping(address=>uint) balances;
uint constant totalCoins = 100000000000;
/// Endows creator of contract with 1m GAV.
function GavCoin(){
balances[msg.sender] = totalCoins;
}
/// Send $((valueInmGAV / 1000).fixed(0,3)) GAV from the account of $(message.caller.address()), to an account accessible only by $(to.address()).
function send(address to, uint256 valueInmGAV) {
if (balances[msg.sender] >= valueInmGAV) {
balances[to] += valueInmGAV;
balances[msg.sender] -= valueInmGAV;
}
}
/// getter function for the balance
function balance(address who) constant returns (uint256 balanceInmGAV) {
balanceInmGAV = balances[who];
}
}pragma solidity contract library using struct function modifier constructor address string bool Int Uint Byte Fixed Ufixed int int8 int16 int24 int32 int40 int48 int56 int64 int72 int80 int88 int96 int104 int112 int120 int128 int136 int144 int152 int160 int168 int176 int184 int192 int200 int208 int216 int224 int232 int240 int248 int256 uint uint8 uint16 uint24 uint32 uint40 uint48 uint56 uint64 uint72 uint80 uint88 uint96 uint104 uint112 uint120 uint128 uint136 uint144 uint152 uint160 uint168 uint176 uint184 uint192 uint200 uint208 uint216 uint224 uint232 uint240 uint248 uint256 byte bytes bytes1 bytes2 bytes3 bytes4 bytes5 bytes6 bytes7 bytes8 bytes9 bytes10 bytes11 bytes12 bytes13 bytes14 bytes15 bytes16 bytes17 bytes18 bytes19 bytes20 bytes21 bytes22 bytes23 bytes24 bytes25 bytes26 bytes27 bytes28 bytes29 bytes30 bytes31 bytes32 fixed fixed0x8 fixed0x16 fixed0x24 fixed0x32 fixed0x40 fixed0x48 fixed0x56 fixed0x64 fixed0x72 fixed0x80 fixed0x88 fixed0x96 fixed0x104 fixed0x112 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ufixed40x120 ufixed40x128 ufixed40x136 ufixed40x144 ufixed40x152 ufixed40x160 ufixed40x168 ufixed40x176 ufixed40x184 ufixed40x192 ufixed40x200 ufixed40x208 ufixed40x216 ufixed48x8 ufixed48x16 ufixed48x24 ufixed48x32 ufixed48x40 ufixed48x48 ufixed48x56 ufixed48x64 ufixed48x72 ufixed48x80 ufixed48x88 ufixed48x96 ufixed48x104 ufixed48x112 ufixed48x120 ufixed48x128 ufixed48x136 ufixed48x144 ufixed48x152 ufixed48x160 ufixed48x168 ufixed48x176 ufixed48x184 ufixed48x192 ufixed48x200 ufixed48x208 ufixed56x8 ufixed56x16 ufixed56x24 ufixed56x32 ufixed56x40 ufixed56x48 ufixed56x56 ufixed56x64 ufixed56x72 ufixed56x80 ufixed56x88 ufixed56x96 ufixed56x104 ufixed56x112 ufixed56x120 ufixed56x128 ufixed56x136 ufixed56x144 ufixed56x152 ufixed56x160 ufixed56x168 ufixed56x176 ufixed56x184 ufixed56x192 ufixed56x200 ufixed64x8 ufixed64x16 ufixed64x24 ufixed64x32 ufixed64x40 ufixed64x48 ufixed64x56 ufixed64x64 ufixed64x72 ufixed64x80 ufixed64x88 ufixed64x96 ufixed64x104 ufixed64x112 ufixed64x120 ufixed64x128 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ufixed128x72 ufixed128x80 ufixed128x88 ufixed128x96 ufixed128x104 ufixed128x112 ufixed128x120 ufixed128x128 ufixed136x8 ufixed136x16 ufixed136x24 ufixed136x32 ufixed136x40 ufixed136x48 ufixed136x56 ufixed136x64 ufixed136x72 ufixed136x80 ufixed136x88 ufixed136x96 ufixed136x104 ufixed136x112 ufixed136x120 ufixed144x8 ufixed144x16 ufixed144x24 ufixed144x32 ufixed144x40 ufixed144x48 ufixed144x56 ufixed144x64 ufixed144x72 ufixed144x80 ufixed144x88 ufixed144x96 ufixed144x104 ufixed144x112 ufixed152x8 ufixed152x16 ufixed152x24 ufixed152x32 ufixed152x40 ufixed152x48 ufixed152x56 ufixed152x64 ufixed152x72 ufixed152x80 ufixed152x88 ufixed152x96 ufixed152x104 ufixed160x8 ufixed160x16 ufixed160x24 ufixed160x32 ufixed160x40 ufixed160x48 ufixed160x56 ufixed160x64 ufixed160x72 ufixed160x80 ufixed160x88 ufixed160x96 ufixed168x8 ufixed168x16 ufixed168x24 ufixed168x32 ufixed168x40 ufixed168x48 ufixed168x56 ufixed168x64 ufixed168x72 ufixed168x80 ufixed168x88 ufixed176x8 ufixed176x16 ufixed176x24 ufixed176x32 ufixed176x40 ufixed176x48 ufixed176x56 ufixed176x64 ufixed176x72 ufixed176x80 ufixed184x8 ufixed184x16 ufixed184x24 ufixed184x32 ufixed184x40 ufixed184x48 ufixed184x56 ufixed184x64 ufixed184x72 ufixed192x8 ufixed192x16 ufixed192x24 ufixed192x32 ufixed192x40 ufixed192x48 ufixed192x56 ufixed192x64 ufixed200x8 ufixed200x16 ufixed200x24 ufixed200x32 ufixed200x40 ufixed200x48 ufixed200x56 ufixed208x8 ufixed208x16 ufixed208x24 ufixed208x32 ufixed208x40 ufixed208x48 ufixed216x8 ufixed216x16 ufixed216x24 ufixed216x32 ufixed216x40 ufixed224x8 ufixed224x16 ufixed224x24 ufixed224x32 ufixed232x8 ufixed232x16 ufixed232x24 ufixed240x8 ufixed240x16 ufixed248x8 event enum let mapping private public external inherited payable true false var import constant if else for else for while do break continue throw returns return suicide new is this super| Feature | Supported | Example | Token |
|---|---|---|---|
| Conditionals | ✓ | ||
| Access Modifiers | ✓ | ||
| Functions | ✓ | ||
| Exceptions | ✓ | ||
| While Loops | ✓ | ||
| Booleans | ✓ | true false | |
| MultiLine Comments | ✓ | /* A comment */ | /* */ |
| Strings | ✓ | ' | |
| Comments | ✓ | // A comment | |
| Line Comments | ✓ | // A comment | // |
| Semantic Indentation | X |