Expand description
Commonly used constants.
Constants§
- ALCHEMY_
FREE_ TIER_ CUPS - Alchemy free tier cups: https://docs.alchemy.com/reference/pricing-plans
- ARBITRUM_
SENDER - Arbitrum L1 sender address of the first transaction in every block.
0x00000000000000000000000000000000000a4b05 - CONTRACT_
MAX_ SIZE - Maximum size in bytes (0x6000) that a contract can have.
- DEFAULT_
USER_ AGENT - Default user agent set as the header for requests that don’t specify one.
- DEV_
CHAIN_ ID - The dev chain-id, inherited from hardhat
- NON_
ARCHIVE_ NODE_ WARNING - Logged when an error is indicative that the user is trying to fork from a non-archive node.
- OPTIMISM_
SYSTEM_ ADDRESS - The system address, the sender of the first transaction in every block:
0xdeaddeaddeaddeaddeaddeaddeaddeaddead0001 - REQUEST_
TIMEOUT - Default request timeout for http requests
- SELECTOR_
LEN - The first four bytes of the call data for a function call specifies the function to be called.
- SYSTEM_
TRANSACTION_ TYPE - Transaction identifier of System transaction types
Functions§
- is_
impersonated_ sig - is_
impersonated_ tx - is_
known_ system_ sender - Returns whether the sender is a known L2 system sender that is the first tx in every block.