feat: support local devnet and fork chains - #389
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This pull request adds support for using the CLI and SDK with local devnets, forks, and chains not present in the bundled selector table. It introduces the
--chain-selectorsCLI flag andCCIP_CHAIN_SELECTORSenvironment variable, allowing users to register custom chains at runtime. The documentation is updated with a new guide and troubleshooting section, and relevant references are added throughout the docs and README.New Features:
--chain-selectorsflag,CCIP_CHAIN_SELECTORSenvironment variable, orregisterChainsin the SDK. Supports shorthand, inline JSON, or JSON/YAML files. [1] [2] [3] [4] [5]anvil --fork --chain-id) can be registered as forks, preserving selector and identity for correct message decoding. [1] [2]Documentation Additions and Updates:
--chain-selectorsandCCIP_CHAIN_SELECTORS, with explanations and examples. [1] [2] [3]CHAIN_NOT_FOUNDerrors, guiding users to register missing chains or forks.SDK/CLI Behavior Changes:
decodeMessagenow surfacesCHAIN_NOT_FOUNDfor unresolvable selectors, instead of a misleadingMESSAGE_INVALIDerror.These changes make it much easier to use the CLI and SDK in local development environments and with new or custom chains, improving the developer experience and error transparency.