Contract Addresses and example
CCTP and anyCall contract addresses:
Testnet:
Ethereum (Goerli)
MessageTransmitter: 0x26413e8157cd32011e726065a5462e97dd4d03d9
TokenMessenger: 0xd0c3da58f55358142b8d3e06c1c30c5c6114efe8
anyCall: 0x965f84D915a9eFa2dD81b653e3AE736555d945f4
Avalanche (Fuji)
MessageTransmitter: 0xa9fb1b3009dcb79e2fe346c16a604b8fa8ae0a79
TokenMessenger: 0xeb08f243e5d3fcff26a9e38ae5520a669f4019d0
anyCall: 0x461d52769884ca6235b685ef2040f47d30c94eb5
Mainnet
Ethereum
MessageTransmitter: 0x0a992d191DEeC32aFe36203Ad87D7d289a738F81
TokenMessenger: 0xBd3fa81B58Ba92a82136038B25aDec7066af3155
anyCall: 0x8efd012977DD5C97E959b9e48c04eE5fcd604374
Avalanche
MessageTransmitter: 0x8186359af5f57fbb40c6b14a588d2a59c0c29880
TokenMessenger: 0x6B25532e1060CE10cc3B0A99e5683b91BFDe6982
anyCall: 0x8efd012977DD5C97E959b9e48c04eE5fcd604374
Use of each contracts:
TokenMessenger: Used on the source chain to burn USDC
anyCall: Used on source chain to send instructions for destination contract to execute
MessageTransmitter: Used to receive USDC on the destination chain
Example:
This example contract allows users to bridge USDC via CCTP and anyCall to the destination chain with one tx. You can fork the contract and edit to your needs.
Source Chain Tx: https://testnet.snowtrace.io/tx/0x411bfb0292aaa028ca6668cf8d739133272aebde57881ac69d3513916eb6c036
Destination Tx: https://goerli.etherscan.io/tx/0x7ac77c73d557d96e7c1014beafc95122455567b4afbcbb4070385aa443225dbd
Mainnet Example:
You can edit logic in function callout and function anyExecute to suit your use case.
Steps to integrate anyCall + CCTP
Call depositForBurnWithCaller to burn the $USDC
depositForBurnWithCaller
Same as depositForBurn
, but with an additional parameter, destinationCaller
. This parameter specifies which address has permission to call receiveMessage
on the destination domain for this message.
Parameters
Pass additional contract data you want the destination chain to receive with anyCall. Read the guide below on the basics of anyCall. The syntax is the same except you have to pass string "usdc" as the _extdata.
The call data of anyCall and data for CCTP would be passed to anyExecute. You can then extract the attestation to get the funds with receiveMessage.
receiveMessage
Messages with a given nonce can only be broadcast successfully once for a pair of domains. The message body of a valid message is passed to the specified recipient for further processing.
Parameters
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