Add contract upgrade strategy and version tracking#176
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Add contract-version and contract-name constants for identifying deployed contract instances. Add get-contract-version read-only function that returns version metadata as a tuple.
Document three upgrade approaches: parallel deployment, proxy pattern, and accepting immutability. Include migration checklist, data preservation details, and emergency procedures for handling critical vulnerabilities in deployed contracts.
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Summary
Address the lack of an upgrade path for immutable Clarity contracts by adding version tracking to the core contract and documenting the migration strategy.
Changes
Contract
contract-version(u1) andcontract-nameconstantsget-contract-versionread-only function for querying version metadataDocumentation
docs/CONTRACT-UPGRADE-STRATEGY.mdcovering:Closes #63