feat: add sender to ERC7802 events (#464)

* feat: add sender to ERC7802 events (#9)

* fix: lint

specs/interop/token-bridging.md

@@ -93,15 +93,15 @@ crosschainBurn(address _account, uint256 _amount)
 MUST trigger when `crosschainMint` is called
 
 ```solidity
-event CrosschainMint(address indexed _to, uint256 _amount)
+event CrosschainMint(address indexed _to, uint256 _amount, address indexed _sender)
 ```
 
 #### `CrosschainBurn`
 
 MUST trigger when `crosschainBurn` is called
 
 ```solidity
-event CrosschainBurn(address indexed _from, uint256 _amount)
+event CrosschainBurn(address indexed _from, uint256 _amount, address indexed _sender)
 ```
 
 ## `SuperchainERC20Bridge`
@@ -142,15 +142,15 @@ sequenceDiagram
 
   from->>L2SBA: sendERC20(tokenAddr, to, amount, chainID)
   L2SBA->>SuperERC20_A: crosschainBurn(from, amount)
-  SuperERC20_A-->SuperERC20_A: emit CrosschainBurn(from, amount)
+  SuperERC20_A-->SuperERC20_A: emit CrosschainBurn(from, amount, sender)
   L2SBA->>Messenger_A: sendMessage(chainId, message)
   Messenger_A->>L2SBA: return msgHash_
   L2SBA-->L2SBA: emit SentERC20(tokenAddr, from, to, amount, destination)
   L2SBA->>from: return msgHash_
   Inbox->>Messenger_B: relayMessage()
   Messenger_B->>L2SBB: relayERC20(tokenAddr, from, to, amount)
   L2SBB->>SuperERC20_B: crosschainMint(to, amount)
-  SuperERC20_B-->SuperERC20_B: emit CrosschainMint(to, amount)
+  SuperERC20_B-->SuperERC20_B: emit CrosschainMint(to, amount, sender)
   L2SBB-->L2SBB: emit RelayedERC20(tokenAddr, from, to, amount, source)
 ```
 
@@ -239,14 +239,14 @@ sequenceDiagram
   from->>Intermediate_A: sendWithData(data)
   Intermediate_A->>L2SBA: sendERC20To(tokenAddr, to, amount, chainID)
   L2SBA->>SuperERC20_A: crosschainBurn(from, amount)
-  SuperERC20_A-->SuperERC20_A: emit CrosschainBurn(from, amount)
+  SuperERC20_A-->SuperERC20_A: emit CrosschainBurn(from, amount, sender)
   L2SBA->>Messenger_A: sendMessage(chainId, message)
   L2SBA-->L2SBA: emit SentERC20(tokenAddr, from, to, amount, destination)
   Intermediate_A->>Messenger_A: sendMessage(chainId, to, data)
   Inbox->>Messenger_B: relayMessage()
   Messenger_B->>L2SBB: relayERC20(tokenAddr, from, to, amount)
   L2SBB->>SuperERC20_B: crosschainMint(to, amount)
-  SuperERC20_B-->SuperERC20_B: emit CrosschainMint(to, amount)
+  SuperERC20_B-->SuperERC20_B: emit CrosschainMint(to, amount, sender)
   Inbox->>Messenger_B: relayMessage(): call
   L2SBB-->L2SBB: emit RelayedERC20(tokenAddr, from, to, amount, source)
   Messenger_B->>to: call(data)