solana-tx-building
Solana Transaction Building
This skill covers how to construct, simulate, and inspect Solana transactions programmatically. It addresses the full anatomy of a Solana transaction — from raw instruction encoding to versioned transaction formats, compute budget management, priority fees, and address lookup tables.
Safety: This skill is for transaction construction and analysis only. Scripts in this skill NEVER sign or submit real transactions. Always simulate before sending. Never auto-sign.
Transaction Anatomy
A Solana transaction consists of:
- Signatures: One or more Ed25519 signatures (64 bytes each)
- Message: The serializable payload containing:
- Header: Counts of required signers, read-only signers, read-only non-signers
- Account keys: Array of all pubkeys referenced by instructions
- Recent blockhash: 32-byte hash for replay protection (expires ~60-90 seconds)
- Instructions: Array of program calls
Transaction Size Limit
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