Module casper_types::contracts

Data types for supporting contract headers feature.

Structs

• Contract
  Methods and type signatures supported by a contract.
• ContractHash
  A newtype wrapping a HashAddr which references a Contract in the global state.
• ContractPackage
  Contract definition, metadata, and security container.
• ContractPackageHash
  A newtype wrapping a HashAddr which references a ContractPackage in the global state.
• ContractVersionKey
  Major element of ProtocolVersion combined with ContractVersion.
• EntryPoint
  Type signature of a method. Order of arguments matter since can be referenced by index as well as name.
• EntryPoints
  Collection of named entry points
• Group
  A (labelled) “user group”. Each method of a versioned contract may be associated with one or more user groups which are allowed to call it.
• Parameter
  Parameter to a method
• TryFromSliceForContractHashError
  Associated error type of TryFrom<&[u8]> for ContractHash.

Enums

• ContractPackageStatus
  A enum to determine the lock status of the contract package.
• EntryPointAccess
  Enum describing the possible access control options for a contract entry point (method).
• EntryPointType
  Context of method execution
• Error
  Set of errors which may happen when working with contract headers.
• FromStrError
  An error from parsing a formatted contract string

Constants

• CONTRACT_INITIAL_VERSION
  Within each discrete major ProtocolVersion, contract version resets to this value.
• CONTRACT_VERSION_KEY_SERIALIZED_LENGTH
  Serialized length of ContractVersionKey.
• DEFAULT_ENTRY_POINT_NAME
  Default name for an entry point
• ENTRY_POINT_NAME_INSTALL
  Default name for an installer entry point
• MAX_GROUPS
  Maximum number of distinct user groups.
• MAX_TOTAL_UREFS
  Maximum number of URefs which can be assigned across all user groups.
• UPGRADE_ENTRY_POINT_NAME
  Default name for an upgrade entry point

Type Definitions

• ContractVersion
  Automatically incremented value for a contract version within a major ProtocolVersion.
• ContractVersions
  Collection of contract versions.
• DisabledVersions
  Collection of disabled contract versions. The runtime will not permit disabled contract versions to be executed.
• EntryPointsMap
  Type alias for a container used inside EntryPoints.
• Groups
  Collection of named groups.
• NamedKeys
  Collection of named keys
• Parameters
  Collection of entry point parameters.
• ProtocolVersionMajor
  Major element of ProtocolVersion a ContractVersion is compatible with.