@fuel-bridge/message-predicates v1.0.0
Fuel Bridge Message Predicates
Most messages sent from the base chain to Fuel will use a predicate as the message recipient. These predicates allow anyone to spend the InputMessage but verifies that a specific script is used in the transaction to ensure security and reliability that the message is handled appropriately.
Message to Contract Predicate
The Message to Contract Predicate is for messages that are trying to send a data payload to a designated Fuel contract. This predicate verifies that the script bytecode hash for the transaction matches for the designated Message to Contract Script and that there are no other InputMessages with data in the transaction other than the first input. If these conditions are met, then the predicate evaluates as true.
Message to Contract Script
The message to contract predicate relies on a script that performs only the following operation:
- Call the function
process_messageon the contract with ID that matches the first 32 bytes in the message data field, while forwarding the exact amount of base asset specified in theInputMessageamountfield
Building From Source
Building
Build:
forc build
cargo runRun tests:
cargo testContributing
Code must be formatted.
forc fmt
cargo fmtLicense
The primary license for this repo is Apache 2.0, see LICENSE.
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