Minimal transfer hook executed on each transfer.

See also: the repository catalog.

• Transfer hook
• Extra account meta list

From tokens/token-extensions/transfer-hook/hello-world/quasar/:

quasar build

Prerequisites: Quasar CLI and Agave toolchain (see Quasar.toml).

In-process tests via Quasar SVM (quasar-svm in Quasar.toml):

cargo test

Tests invoke instruction handlers and assert onchain state. No local validator.

Read src/ and Quasar.toml. Compare with the Anchor variant in the same example where present.