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Client Tooling · hard

77. Codama Nodes & AST Transformation

Customizing generated client interfaces.

1 min read2 questionsup to 50 XPtopic 77/100

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Codama models IDLs as an Abstract Syntax Tree (AST) of Nodes (ProgramNode, InstructionNode, AccountNode). Developers write transformation scripts to rename fields, add custom type serializers, or configure default PDA accounts.

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Check your understanding

1. How does Codama allow developers to customize generated clients?
Using visitor scripts that transform the Codama IDL AST before emitting codeEditing generated code manuallyUsing CSSModifying Cargo.lock
2. Can Codama automatically configure PDA seed derivation on the client side?
Yes, Codama can embed PDA derivation functions directly into instruction buildersNo, clients must always derive PDAs manuallyOnly for AnchorOnly in Python

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