Services

What is a service

A service is like a smart contract on other chains, but has these differences:

A service may serve either static or dynamic web pages which interact with the block chain.
A service may provide RPC queries, GraphQL queries, and even help construct transactions. These may all rely on chain state.
A service is often paired with a UI and plugin, forming a bidirectional trust relationship.
A service may emit events, which are like structured and prunable logs that can be queried by clients.
Most psibase functionality comes from services instead of from native functions.
The term "service" is common in computer systems and doesn't imply a legal or business relationship.

psidk supports writing services in C++ and Rust.

All services are implemented as WebAssembly modules. For low level details on WebAssembly support, see the WebAssembly docs.