opayque: what we found
Solana payment verification fails for payments sent as version 1 transactions.
Public since 2026-10-28. GitHub issue EmperorBloyan/opayque/issues/1 was posted.
Code: EmperorBloyan/opayque, their default branch on 2026-10-28. Reported to them: EmperorBloyan/opayque/issues/1.
Status: Open: no fix merged yet
Findings
breaks money
Solana payment verification fails for payments sent as version 1 transactions
lib/solana/verify.ts (line 231) reads the payment with getParsedTransaction(signature, { maxSupportedTransactionVersion: 0 }). For a version 1 payment @solana/web3.js throws "Transaction version (1) is not supported by the requesting client" on every attempt, so the payment can't be verified and the retries can't help.
Version 1 transactions are a large share of mainnet now (about 40% of non-vote transactions in a block I sampled; 115 of 332 in another), so this depends only on which wallet or SDK built the transaction.
lib/solana/verify.ts:231
getTransaction(<v1 signature>, { maxSupportedTransactionVersion: 0 }) -> error -32015 "Transaction version (1) is not supported by the requesting client"
getTransaction(<v1 signature>, { maxSupportedTransactionVersion: 1 }) -> the transaction (version 1, meta present)Fix: maxSupportedTransactionVersion: 1. @solana/web3.js 1.99.0 or later parses v1 fine with it (tested); 1.98.x rejects a version 1 answer even when asked, so it needs the bump too.
What we measured
| What | Result | How | Checked |
|---|---|---|---|
| Reported to them | EmperorBloyan/opayque/issues/1, posted 2026-10-28 | https://github.com/EmperorBloyan/opayque/issues/1 | Oct 28, 2026, 3:07 PM UTC |
| Status | Open: no fix merged yet | GitHub issue EmperorBloyan/opayque#1 | Oct 31, 2026, 1:55 AM UTC |
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