From c10db8ff32c4332e1d7a7963ac5a0dd84c99c552 Mon Sep 17 00:00:00 2001 From: lightclient <14004106+lightclient@users.noreply.github.com> Date: Fri, 30 Aug 2024 01:57:11 -0600 Subject: [PATCH] Update EIP-7702: adjust tx validity Merged by EIP-Bot. --- EIPS/eip-7702.md | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/EIPS/eip-7702.md b/EIPS/eip-7702.md index 66960805c78120..a26738263d52c8 100644 --- a/EIPS/eip-7702.md +++ b/EIPS/eip-7702.md @@ -44,19 +44,22 @@ rlp([chain_id, nonce, max_priority_fee_per_gas, max_fee_per_gas, gas_limit, dest authorization_list = [[chain_id, address, nonce, y_parity, r, s], ...] ``` -Transaction is considered invalid if authorization list items can't be decoded as: - -* `chain_id`: unsigned 256-bit integer. -* `nonce`: unsigned 64-bit integer. -* `address`: 20 bytes array. -* `y_parity`: Value 0 or 1. -* `r`: unsigned 256-bit integer. -* `s`: unsigned 256-bit integer and value less or equal than `secp256k1n/2`, specified in [EIP-2](./eip-2.md). - The fields `chain_id`, `nonce`, `max_priority_fee_per_gas`, `max_fee_per_gas`, `gas_limit`, `destination`, `value`, `data`, and `access_list` of the outer transaction follow the same semantics as [EIP-4844](./eip-4844.md). *Note, this means a null destination is not valid.* The `authorization_list` is a list of tuples that store the address to code which the signer desires to execute in the context of their EOA. The transaction is considered invalid if the length of `authorization_list` is zero. +The transaction is also considered invalid when any field in an authorization +tuple cannot fit within the following bounds: + +```python +assert auth.chain_id < 2**256 +assert auth.nonce < 2**64 +assert len(auth.address) == 20 +assert auth.y_parity < 2**256 +assert auth.r < 2**256 +assert auth.z < 2**256 +``` + The [EIP-2718](./eip-2718.md) `ReceiptPayload` for this transaction is `rlp([status, cumulative_transaction_gas_used, logs_bloom, logs])`. #### Behavior