assert-block-number
Assert the current block number, on-chain.
Syntax
Section titled “Syntax”assert-block-number <operator> <expected> [message]Arguments
Section titled “Arguments”| Name | Type | Description |
|---|---|---|
operator |
string |
Comparison operator: ==, >, <, >=, <= |
expected |
number |
Expected block number |
[message] |
string |
Revert message when the assertion fails |
Examples
Section titled “Examples”load assertions
assertions:assert-block-number >= 21000000 "too early"