Cargo Features

[dependencies]
bp-polkadot-bulletin = { version = "0.9.0", default-features = false, features = ["std"] }
default = std

The std feature is set by default whenever bp-polkadot-bulletin is added without default-features = false somewhere in the dependency tree.

std default

Enables std of bp-header-chain, bp-messages, bp-polkadot-core, bp-runtime, and parity-scale-codec

bp-header-chain:

Bridge Dependencies

and std of frame-support, frame-system, scale-info, sp-api, sp-runtime, and sp-std

frame-support:

Substrate Based Dependencies