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Adding returnedMessages primitive into L2ToL2CrossDomainMessenger

2

**Description** Adds a way for the `L2ToL2CrossDomainMessenger` to "send-back" failed messages. These failed messages are stored on the origin domain's `L2ToL2CrossDomainMessenger`. This enables smart contracts to handle "failed" messages. e.g....

skeletor-spaceman

Holocene: Add `L2ToL1MessagePasser` account storage root to Header `withdrawalsRoot`

14

## Overview Introduces an addition to the `Granite` hardfork, where upon activation, consensus will require L2 block headers to contain the 32 byte account storage root of the `L2ToL1MessagePasser` predeploy...

clabby

**Description** Fixing a typo: `interopability` -> `interoperability` **Tests** It's just a documentation typo fix. **Additional context** Nope **Metadata** None

Git-on-my-level

since `ADD_DEPENDENCY` and `REMOVE_DEPENDENCY` are prefixed by a verb, changing `GAS_PAYING_TOKEN` to `SET_GAS_PAYING_TOKEN` leads to greater consistency

0xfuturistic

this makes the behavior explicit for attempting to add a chain id already in the dependency set

0xfuturistic

Adding RollbackInbox and upgrading Messenger & Bridge

3

**Description** Adds a way for the `CrossDomainMessenger` to "send-back" failed messages. These failed messages are stored on the origin domain in a `RollbackInbox` contract. This enables smart contracts to handle...

skeletor-spaceman

feat(engine.queue): consistent safe head progression on failures

3

We can simplify derivation by having the pipeline always ensure safe head progression when processing payloads pulled from L1. 1. Always Valid (empty deposits-only block) 3. A proper L2 block...

hamdiallam

experimental: local Block Builder API

3

**Description** This PR proposes a minimal standardized interface for block construction and transaction management between the Sequencer and a local Block Builder. Separating Block Building from the Sequencer's Execution Engine...

dmarzzz

experimental: transaction ordering policy

2

**Description** Explore what applying a predicate to the inputs as part of the derivation pipeline would look like. The predicate is defined using evm bytecode and can therefore be quite...

tynes

interop: specify conditions on state-transition and safety changes

1

# Description Specify the "driver" component of the rollup node. The "driver" is a concept from bedrock, except it used to be very synchronous, and parts of the functionality were...

protolambda