Transaction Inspector — Full Stellar Ledger Lookup & Decode

[dotunv]

Overview

The /inspector page in the web app is a shell. This tool should let developers paste a transaction hash, Stellar address, or ledger sequence and get a fully decoded, human-readable breakdown — essential for debugging CrowdPay and Fluxa integrations.

What needs to be built

NestJS API — apps/api/src/modules/transaction/transaction.service.ts

• lookupTransaction(hash: string, network: 'testnet' | 'mainnet') — fetch from Horizon, return decoded operation list, memo (text/hash/id), fee, ledger, timestamp
• lookupAccount(address: string, network) — balances per asset, sequence number, signers, recent transactions (last 20)
• XDR decode: if raw XDR is pasted, decode to human-readable using @stellar/stellar-sdk
• Controller route: GET /transaction/:hash, GET /account/:address, POST /xdr/decode

Next.js web — apps/web/src/app/inspector/page.tsx

• Input accepts: transaction hash, Stellar address (G...), or raw XDR
• Auto-detect input type and route to correct lookup
• Display: operation type, source/destination, asset, amount, memo, fee paid, ledger close time
• Testnet / Mainnet toggle
• Link to Stellar Expert for each transaction
• Copy button on each field

Acceptance criteria

• Pasting a valid testnet tx hash shows all operations decoded
• Pasting a G... address shows balances and last 20 transactions
• Pasting raw XDR decodes it without hitting Horizon
• Invalid hash shows a clear error (not a blank screen)
• Testnet and mainnet toggle works correctly

[aliyuHabibu]

Hi, I'm a software engineer, I've gone through the issue and I can resolve it. Assign it to me thank you

[grantfox-oss]

🦊 GrantFox — @aliyuHabibu has been assigned to this issue as part of the Official Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #1)
2. Your PR will be reviewed by the Savitura maintainers

Good luck! Track your progress on GrantFox.