← Solana theorytheory 0/100 · 0%

level 1

Curious · 0 XP

streak

perfect

badges

100 XP to Apprentice

Client Tooling · hard

79. Building Transactions with @solana/kit

Pipes, instruction composition, and signing.

1 min read2 questionsup to 50 XPtopic 79/100

Read in another language

AI translates the explanation and quiz text while preserving code and answer scoring.

Transactions in `@solana/kit` are built using functional pipelines:

typescript
import { pipe, createTransactionMessage, setTransactionMessageFeePayer } from '@solana/kit';

const txMessage = pipe(
    createTransactionMessage({ version: 0 }),
    tx => setTransactionMessageFeePayer(payerAddress, tx),
    tx => appendTransactionMessageInstruction(myInstruction, tx)
);

How to study this topic

1. Read the explanation once end to end, skipping the code.
2. Re-read the code snippets and say out loud what each line does.
3. Answer the quiz without scrolling back — that is the real check.
4. Read every explanation, even for the answers you got right.

Scoring

· Up to 30 XP from quiz accuracy.
· +15 XP for a perfect first attempt.
· +5 XP while a 3-day streak is running.
· 75% or higher marks the topic complete.

Check your understanding

1. What pattern is used to construct transactions in @solana/kit?
Functional piping (pipe) over immutable transaction message objectsCalling new Transaction().add()Inheriting class buildersWriting raw hex strings
2. How does @solana/kit handle transaction compilation?
compileTransactionMessage converts the message into a signed wire formatSends raw JSON to validatorCompiles to C++Calls Anchor build

Badges

First light

Pass your first topic

Sharp shooter

3 perfect first-try quizzes

On a roll

Study 3 days in a row

Week warrior

Study 7 days in a row

Grinder

Earn 500 XP

Deep diver

Earn 1500 XP