concordium_base 10.0.0-alpha.0

A library that defines common types and functionality that are needed by Concordium Rust projects.
Documentation 
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//! Constants for various core chain operations.

// Re-export to avoid a breaking change.
pub use concordium_contracts_common::constants::MAX_PARAMETER_LEN;

/// Maximum size of a transaction payload.
pub const MAX_PAYLOAD_SIZE: u32 = MAX_WASM_MODULE_SIZE + 1 + 4 + 4;

/// Minimum valid transaction nonce. Nonces must be strictly sequential starting
/// with [`MIN_NONCE`].
pub const MIN_NONCE: crate::base::Nonce = crate::base::Nonce { nonce: 1 };

/// Maximum allowed size of data to register via the register data transaction.
pub const MAX_REGISTERED_DATA_SIZE: usize = 256;

/// Max allowed memo size.
pub const MAX_MEMO_SIZE: usize = 256;

/// Maximum allowed size of the Wasm module to deploy on the chain.
pub const MAX_WASM_MODULE_SIZE: u32 = 8 * 65536;

/// Curve used for encrypted transfers. This is the same as the anonymity
/// revoker curve.
pub type EncryptedAmountsCurve = crate::id::constants::ArCurve;

/// The maximum allowed length of a [`UrlText`](crate::base::UrlText) in bytes.
pub const MAX_URL_TEXT_LENGTH: usize = 2048;

/// Size of the sha256 digest in bytes.
pub const SHA256: usize = 32;

/// Size of the ed25519 signature bytes.
pub const ED25519_SIGNATURE_LENGTH: usize = ed25519_dalek::SIGNATURE_LENGTH;