Trait Transaction

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pub trait Transaction:
    Typed2718
    + Debug
    + Any
    + Send
    + Sync
    + 'static {
Show 23 methods    // Required methods
    fn chain_id(&self) -> Option<ChainId>;
    fn nonce(&self) -> u64;
    fn gas_limit(&self) -> u64;
    fn gas_price(&self) -> Option<u128>;
    fn max_fee_per_gas(&self) -> u128;
    fn max_priority_fee_per_gas(&self) -> Option<u128>;
    fn max_fee_per_blob_gas(&self) -> Option<u128>;
    fn priority_fee_or_price(&self) -> u128;
    fn effective_gas_price(&self, base_fee: Option<u64>) -> u128;
    fn is_dynamic_fee(&self) -> bool;
    fn kind(&self) -> TxKind;
    fn is_create(&self) -> bool;
    fn value(&self) -> U256;
    fn input(&self) -> &Bytes;
    fn access_list(&self) -> Option<&AccessList>;
    fn blob_versioned_hashes(&self) -> Option<&[B256]>;
    fn authorization_list(&self) -> Option<&[SignedAuthorization]>;

    // Provided methods
    fn effective_tip_per_gas(&self, base_fee: u64) -> Option<u128> { ... }
    fn to(&self) -> Option<Address> { ... }
    fn function_selector(&self) -> Option<&Selector> { ... }
    fn blob_count(&self) -> Option<u64> { ... }
    fn blob_gas_used(&self) -> Option<u64> { ... }
    fn authorization_count(&self) -> Option<u64> { ... }
}

Expand description

Represents a minimal EVM transaction.

Required Methods§

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fn chain_id(&self) -> Option<ChainId>

Get chain_id.

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fn nonce(&self) -> u64

Get nonce.

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fn gas_limit(&self) -> u64

Get gas_limit.

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fn gas_price(&self) -> Option<u128>

Get gas_price.

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fn max_fee_per_gas(&self) -> u128

Returns the EIP-1559 the maximum fee per gas the caller is willing to pay.

For legacy transactions this is gas_price.

This is also commonly referred to as the “Gas Fee Cap”.

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fn max_priority_fee_per_gas(&self) -> Option<u128>

Returns the EIP-1559 Priority fee the caller is paying to the block author.

This will return None for non-EIP1559 transactions

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fn max_fee_per_blob_gas(&self) -> Option<u128>

Max fee per blob gas for EIP-4844 transaction.

Returns None for non-eip4844 transactions.

This is also commonly referred to as the “Blob Gas Fee Cap”.

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fn priority_fee_or_price(&self) -> u128

Return the max priority fee per gas if the transaction is an EIP-1559 transaction, and otherwise return the gas price.

§Warning

This is different than the max_priority_fee_per_gas method, which returns None for non-EIP-1559 transactions.

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fn effective_gas_price(&self, base_fee: Option<u64>) -> u128

Returns the effective gas price for the given base fee.

If the transaction is a legacy or EIP2930 transaction, the gas price is returned.

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fn is_dynamic_fee(&self) -> bool

Returns true if the transaction supports dynamic fees.

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fn kind(&self) -> TxKind

Returns the transaction kind.

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fn is_create(&self) -> bool

Returns true if the transaction is a contract creation. We don’t provide a default implementation via kind as it copies the 21-byte TxKind for this simple check. A proper implementation shouldn’t allocate.

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