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Clarify that step 3 is just sending the message, it is not received until step 4 #1409

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krofax merged 4 commits into from
Feb 24, 2025
Merged

Clarify that step 3 is just sending the message, it is not received until step 4 #1409

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32aa22b
Clarify step 3
qbzzt Feb 22, 2025
83b944c
Update for autorelayer
qbzzt Feb 24, 2025
858bfcf
Empty commit
bradleycamacho Feb 24, 2025
5276295
Empty commit for CI fix
bradleycamacho Feb 24, 2025
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4 changes: 3 additions & 1 deletion pages/stack/interop/superchain-erc20.mdx
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Expand Up @@ -61,7 +61,7 @@ sequenceDiagram
note over src-erc20, dst-l2Xl2: Initiating Message
user->>src-bridge: 1. Move n tokens
src-bridge->>src-erc20: 2. Burn n tokens
src-bridge->>dst-l2Xl2: 3. Relay n tokens to user
src-bridge--)dst-l2Xl2: 3. Relay n tokens to user
end
rect rgba(0,0,0,0.1)
note over user,dst-erc20: Executing message
Expand All @@ -79,6 +79,8 @@ sequenceDiagram

3. The source token bridge calls [`SuperchainTokenBridge.relayERC20`](https://github.com/ethereum-optimism/optimism/blob/develop/packages/contracts-bedrock/src/L2/SuperchainTokenBridge.sol#L80-L97) on the destination token bridge.
This call is relayed using [`L2ToL2CrossDomainMessenger`](./message-passing).
The call is *initiated* here, by emitting an initiating message.
It will be executed later, after the destination chain receives an executing message to [`L2ToL2CrossDomainMessenger`](./message-passing).

#### Executing message (destination chain)

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