Individual skill

solana-tx-building

Solana transaction construction including instruction building, account resolution, compute budget, priority fees, and versioned transactions

skills/solana-tx-building/SKILL.md

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Last checked: Nov 10, 2026

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Repository stars (not skill ratings): 521
Repository last updated: Sep 3, 2026
License: MIT

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SKILL.mdcore · 12,371 bytes
SKILL.mdcore · 12,371 bytes
SKILL.mdcore · 12,371 bytes
SKILL.mdcore · 12,371 bytes
SKILL.mdcore · 12,371 bytes
SKILL.mdcore · 12,371 bytes
SKILL.mdcore · 12,371 bytes
SKILL.mdcore · 12,371 bytes
references/common_instructions.mddoc · 7,352 bytes
references/transaction_anatomy.mddoc · 7,587 bytes
scripts/build_transfer.pyruns · 23,099 bytes
scripts/decode_transaction.pyruns · 23,482 bytes

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# 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:

1. **Signatures**: One or more Ed25519 signatures (64 bytes each)
2. **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