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feat(CHAIN-2651): add warning for base -> solana relaying #776

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Merged
youssefea merged 2 commits into from
Jan 5, 2026
Merged

feat(CHAIN-2651): add warning for base -> solana relaying #776

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df75930
add warning for base -> solana relaying
jackchuma Jan 5, 2026
bdf1c8e
adjust warning location
jackchuma Jan 5, 2026
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10 changes: 10 additions & 0 deletions docs/base-chain/quickstart/base-solana-bridge.mdx
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Expand Up @@ -188,6 +188,16 @@ const relayIx = getRelayMessageInstruction({ message: messagePda });
await buildAndSendTransaction(SOLANA_RPC_URL, [proveIx, relayIx], payer);
```

<Warning>
If you operate a relayer that signs and submits Solana transactions for users in the **Base → Solana**
direction, do **not** sign transactions that require your relayer pubkey as a signer.

A malicious user can encode a transaction that includes your relayer pubkey as a required signer; if
you sign and submit it, you may unintentionally authorize arbitrary instructions (including ones
that can steal relayer funds). As a baseline mitigation, ignore any transaction that specifies your
pubkey as a signer.
</Warning>

## Utilities

The repository includes utilities for converting between Solana and Base address formats,
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