StreamingFast Substreams Rust APIs
There are also chain-specific
Substreams support for NEAR, Cosmos Hub, and Osmosis is currently in development. Chain-specific libraries provide optional helpers, however the Substreams crate is sufficient to start for most setups.
Any third-party library capable of compiling
wasm32can be used for execution in Substreams services.
Many libraries compile kernel
syscalls, or other operations, which are not available within the Substreams execution environment and will not successfully compile to
tiny_keccak is an implementation of Keccak derived functions specified in FIPS-202, SP800-185 and KangarooTwelve.