Specialized functions

Pact includes several built-in functions that are intended for very specific use cases, such as integrating with other tools and working with zero knowledge proofs.

Commitments

• hyperlane-decode-token-message Decode a base-64-unpadded encoded Hyperlane Token Message into an object.

• hyperlane-encode-token-message Encode an object into base-64-unpadded encoded Hyperlane Token Message.

• hyperlane-message-id Get the message identifier of a Hyperlane Message object.

Simple payment verification

• verify-spv Perform a platform-specific simplified payment verification (SPV) proof.

Zero knowledge (ZK) built-in functions

• pairing-check Perform pairing and final exponentiation on points for a zero knowledge proof.

• point-add Add two points together for a zero knowledge proof.

• scalar-mult Multiply a point by an integer value for a zero-knowledge proof.