| 1 | blockhash(uint blockNumber) returns (bytes32) | Hash of the given block - only works for 256 most recent, excluding current, blocks |
| 2 | block.coinbase (address payable) | Current block miner's address. |
| 3 | block.difficulty (uint) | current block difficulty. |
| 4 | block.gaslimit (uint) | Current block gaslimit. |
| 5 | block.number (uint) | Current block number. |
| 6 | block.timestamp | Current block timestamp as seconds since unix epoch. |
| 7 | gasleft() returns (uint256) | Remaining gas. |
| 8 | msg.data (bytes calldata) | Complete calldata. |
| 9 | msg.sender (address payable) | Sender of the message (current call). |
| 10 | msg.sig (bytes4) | First four bytes of the calldata (i.e. function identifier) |
| 11 | msg.value (uint) | Number of wei sent with the message. |
| 12 | now (uint) | Current block timestamp (alias for block.timestamp). |
| 13 | tx.gasprice (uint) | Gas price of the transaction. |
| 14 | tx.origin (address payable) | Sender of the transaction (full call chain). |
