# Functions
IsRevisionMismatch returns true if err was caused by the host reporting a different revision number than expected.
NewContractSet returns a ContractSet storing its contracts in the specified dir.
# Structs
ContractParams are supplied as an argument to FormContract.
A ContractSet provides safe concurrent access to a set of contracts.
A Downloader retrieves sectors by calling the download RPC on a host.
A Editor modifies a Contract by calling the revise RPC on a host.
A SafeContract contains the most recent revision transaction negotiated with a host, and the secret key used to sign it.
A V130CachedRevision contains changes that would be applied to a RenterContract if a contract revision succeeded.
A V130Contract specifies the v130 contract format.
# Type aliases
MerkleRootSet is a set of Merkle roots, and gets encoded more efficiently.