CAIP2

Helper library to format and parse CAIP-2 identifiers https://github.com/ChainAgnostic/CAIPs/blob/main/CAIPs/caip-2.md[CAIP-2] defines chain identifiers as: chain_id: namespace + ":" + reference namespace: [-a-z0-9]{3,8} reference: [-_a-zA-Z0-9]{1,32} WARNING: In some cases, multiple CAIP-2 identifiers may all be valid representation of a single chain. For EVM chains, it is recommended to use eip155:xxx as the canonical representation (where xxx is the EIP-155 chain id). Consider the possible ambiguity when processing CAIP-2 identifiers or when using them in the context of hashes.

Functions

local

Return the CAIP-2 identifier for the current (local) chain.

function local() internal view returns (string memory);

format

Return the CAIP-2 identifier for a given namespace and reference. NOTE: This function does not verify that the inputs are properly formatted.

function format(string memory namespace, string memory ref) internal pure returns (string memory);

parse

Parse a CAIP-2 identifier into its components. NOTE: This function does not verify that the CAIP-2 input is properly formatted.

function parse(string memory caip2) internal pure returns (string memory namespace, string memory ref);