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solana-models/models/descriptions/columns/instruction_program_id.md
tarikceric 0e6407486d
An 6390/llm context descriptions 2 (#859) 
* update defi table desc

* complete defi table update

* move col desc to folder; add nft docs

* cleanup
2025-07-17 15:29:52 -07:00

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{% docs instruction_program_id %} The unique public key (base58-encoded address) of the Solana program that invoked this inner instruction (Cross-Program Invocation, CPI). This field identifies the calling program.

Example:

  • "4Nd1mY..." (caller)
  • "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA" (callee)

Business Context:

  • Enables tracing of program-to-program calls and composability patterns in Solana transactions.
  • Used to analyze protocol integrations, nested execution flows, and the origin of on-chain actions.

Relationships:

  • Used with 'program_id', 'tx_id', and instruction indices to reconstruct full CPI call stacks.
  • 'instruction_program_id' is the caller; 'program_id' is the callee for the inner instruction. {% enddocs %}