sdk: multi-token-ntt protocol support #674
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Adds support for the MultiTokenNtt protocol along
with two new routes: MultiTokenNtt{Manual,Executor}Route.
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Context:
This PR adds support for the MultiToken NTT (MTT) protocol and two new routes:
MultiTokenNttManualandMultiTokenNttExecutor. The key difference with MTT is that, unlike regular NTT, the contract allows transferring any token, not just a single pre-configured one.The Monad Bridge will use the MTT protocol and have two transceivers configured — Wormhole and Axelar — so you’ll see some Axelar-related code for fetching the Axelar message. Axelar emits a message just like Wormhole does. Both messages must be submitted on the destination chain to redeem the tokens.
The main files that actually implement the routes are:
sdk/route/src/executor/multiToken.ts (executor route)
sdk/route/src/multiTokenManual.ts (manual route)