refactor(anvil): use alloy envelope macro #12406

mablr · 2025-11-01T00:34:47Z

Motivation

Close #12389

Solution

Updated TypedTransaction to use TransactionEnvelope
Removed unused/redundant code

PR Checklist

Added Tests (some updates due to breaking change on tx serialization)
Added Documentation
Breaking changes (tx serialization)

- Updated TypedTransaction to use TransactionEnvelope - Removed unused/redundant code

crates/anvil/core/src/eth/transaction/mod.rs

mattsse

great start

crates/anvil/core/src/eth/transaction/mod.rs

- Use macro generated typed tx enum

- from `"EIP1559": {...}` to "{"type": "0x2", ...}`

mablr · 2025-11-02T18:01:01Z

crates/anvil/src/eth/backend/db.rs

                {
-                    "EIP1559": {
-                        "chainId": "0x7a69",
-                        "nonce": "0x0",
-                        "gas": "0x5209",
-                        "maxFeePerGas": "0x77359401",
-                        "maxPriorityFeePerGas": "0x1",
-                        "to": "0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266",
-                        "value": "0x0",
-                        "accessList": [],
-                        "input": "0x",
-                        "r": "0x85c2794a580da137e24ccc823b45ae5cea99371ae23ee13860fcc6935f8305b0",
-                        "s": "0x41de7fa4121dab284af4453d30928241208bafa90cdb701fe9bc7054759fe3cd",
-                        "yParity": "0x0",
-                        "hash": "0x8c9b68e8947ace33028dba167354fde369ed7bbe34911b772d09b3c64b861515"
-                    }
+                    "type": "0x2",
+                    "chainId": "0x7a69",


There is a slight breaking change on the tx serialization, let me know if this is ok...

this is actually better

mattsse

good stuff

pending @klkvr

this might break existing db serde snapshots, so what we can do here @mablr is a manual deserde that uses a new untagged type with the previous format, this we can remove in the future

so todo:

add manual deserde so that the previous format is still supported

mattsse · 2025-11-03T20:11:44Z

crates/anvil/src/eth/backend/db.rs

                {
-                    "EIP1559": {
-                        "chainId": "0x7a69",
-                        "nonce": "0x0",
-                        "gas": "0x5209",
-                        "maxFeePerGas": "0x77359401",
-                        "maxPriorityFeePerGas": "0x1",
-                        "to": "0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266",
-                        "value": "0x0",
-                        "accessList": [],
-                        "input": "0x",
-                        "r": "0x85c2794a580da137e24ccc823b45ae5cea99371ae23ee13860fcc6935f8305b0",
-                        "s": "0x41de7fa4121dab284af4453d30928241208bafa90cdb701fe9bc7054759fe3cd",
-                        "yParity": "0x0",
-                        "hash": "0x8c9b68e8947ace33028dba167354fde369ed7bbe34911b772d09b3c64b861515"
-                    }
+                    "type": "0x2",
+                    "chainId": "0x7a69",


this is actually better

klkvr · 2025-11-03T20:45:48Z

crates/anvil/core/src/eth/transaction/mod.rs

 pub enum TypedTransaction {
    /// Legacy transaction type
+    #[envelope(ty = 0)]
    Legacy(Signed<TxLegacy>),
    /// EIP-2930 transaction
+    #[envelope(ty = 1)]
    EIP2930(Signed<TxEip2930>),
    /// EIP-1559 transaction
+    #[envelope(ty = 2)]
    EIP1559(Signed<TxEip1559>),
    /// EIP-4844 transaction
+    #[envelope(ty = 3)]
    EIP4844(Signed<TxEip4844Variant>),
    /// EIP-7702 transaction
+    #[envelope(ty = 4)]
    EIP7702(Signed<TxEip7702>),


this could be

#[envelope(flatten)] Ethereum(TxEnvelope)

but not sure if worth it

wow this seems clean, i'll try this 👍

klkvr

nice, this lgtm

not sure about breakages though

klkvr · 2025-11-03T20:57:58Z

crates/anvil/test-data/state-dump-legacy.json

@@ -1 +1 @@
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iirc those breaking changes might be problematic for users that rely on persisting anvil state long term?

cc @zerosnacks I remember us dealing with a few revm breakages around state

yeah I believe a few folks currently rely an state snapshots, and we can make an effort to keep these backwards compat with some extra effort

Okay, I made a draft to support backwards compatibility, but feels a bit hacky as I disable default serde impl TransactionEnvelope with serde_cfg(not(all())), btw there are two helper enums (tagged/untagged) to handle seamlessly the deserialization.

Here is the draft mablr@c4e2795 (with the breaking changes on all test reverted). At least it works well.

I've also noticed that TransactionEnvelope implements deserde for typed enum for both tagged/untagged but the untagged is only applicable for legacy tx (so it's breaking anyway with the existing). Maybe there is a room for a little improvement on the TransactionEnvelope macro itself to offer an option to implement desired deserde impl of both tagged and untagged tx type? wdyt?

actually, imo we can just break

not worth dealing with this

mablr · 2025-11-04T10:37:29Z

crates/anvil/core/src/eth/transaction/mod.rs

-    }
-
    /// Returns a helper type that contains commonly used values as fields
    pub fn essentials(&self) -> TransactionEssentials {


I believe this could also be easily dropped.

Would you like it in this PR? or as a follow-up?

let's do a followup

mattsse

lgtm

github-project-automation bot added this to Foundry Nov 1, 2025

refactor(anvil): use alloy envelope macro

cae0dad

- Updated TypedTransaction to use TransactionEnvelope - Removed unused/redundant code

mablr force-pushed the refactor/anvil_txtype_enveloppe_macro branch from 94e5cbf to cae0dad Compare November 1, 2025 00:40

mablr commented Nov 1, 2025

View reviewed changes

crates/anvil/core/src/eth/transaction/mod.rs Outdated Show resolved Hide resolved

mablr commented Nov 1, 2025

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crates/anvil/core/src/eth/transaction/mod.rs Outdated Show resolved Hide resolved

mattsse requested changes Nov 1, 2025

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mablr added 3 commits November 2, 2025 17:58

refactor(anvil): replace gas_price by max_fee_per_gas

9facbce

refactor(anvil): remove TypedTransactionRequest

fe4d1ae

- Use macro generated typed tx enum

refactor(anvil): fix tests by updating serialized tx json structs

6c7b300

- from `"EIP1559": {...}` to "{"type": "0x2", ...}`

mablr commented Nov 2, 2025

View reviewed changes

Merge branch 'master' into refactor/anvil_txtype_enveloppe_macro

0983417

mablr marked this pull request as ready for review November 2, 2025 18:03

mablr requested review from 0xrusowsky, DaniPopes, grandizzy, onbjerg and zerosnacks as code owners November 2, 2025 18:03

mablr requested a review from mattsse November 2, 2025 18:04

mablr mentioned this pull request Nov 2, 2025

feat(anvil): Implement alloy_evm FromRecoveredTx trait for anvil TypedTransaction #12424

Open

3 tasks

mattsse requested changes Nov 3, 2025

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klkvr reviewed Nov 3, 2025

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klkvr approved these changes Nov 3, 2025

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mablr commented Nov 4, 2025

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mattsse added C-anvil Command: anvil T-likely-breaking Type: requires changes that can be breaking labels Nov 4, 2025

mattsse approved these changes Nov 4, 2025

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		@@ -1 +1 @@
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refactor(anvil): use alloy envelope macro #12406

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refactor(anvil): use alloy envelope macro #12406

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mablr Nov 4, 2025 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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mablr commented Nov 1, 2025 •

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