Trait BlockAccess 

pub trait BlockAccess {
    // Required methods
    fn block_basefee(&self) -> U256;
    fn block_coinbase(&self) -> Address;
    fn block_number(&self) -> u64;
    fn block_timestamp(&self) -> u64;
    fn block_gas_limit(&self) -> u64;
}

Provides access to host methods relating to the block a transaction to a Stylus contract is included in.

Required Methods

fn block_basefee(&self) -> U256

Gets the basefee of the current block. The semantics are equivalent to that of the EVM’s BASEFEE opcode.

fn block_coinbase(&self) -> Address

Gets the coinbase of the current block, which on Arbitrum chains is the L1 batch poster’s address. This differs from Ethereum where the validator including the transaction determines the coinbase.

fn block_number(&self) -> u64

Gets a bounded estimate of the L1 block number at which the Sequencer sequenced the transaction. See Block Numbers and Time for more information on how this value is determined.

fn block_timestamp(&self) -> u64

Gets a bounded estimate of the Unix timestamp at which the Sequencer sequenced the transaction. See Block Numbers and Time for more information on how this value is determined.

fn block_gas_limit(&self) -> u64

Gets the gas limit of the current block. The semantics are equivalent to that of the EVM’s GAS_LIMIT opcode. Note that as of the time of this writing, evm.codes incorrectly implies that the opcode returns the gas limit of the current transaction. When in doubt, consult The Ethereum Yellow Paper.

Implementors