| fork | group |
|---|---|
Frontier |
Block Information |
Index 1 is top of the stack. See PUSH.
blockNumber: block number to get the hash from. Valid range is the last 256 blocks (not including the current one). Current block number can be queried with NUMBER.
hash: hash of the chosen block, or 0 if the block number is not in the valid range.
| * | Input | Output |
|---|---|---|
1 |
599423545 |
0x29045A592007D0C246EF02C2223570DA9522D0CF0F73282C79A1BC8F0BB2C238 |
The state changes done by the current context are reverted in those cases:
- Not enough gas.
- Not enough values on the stack.