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fix: verify freighter signer address #213

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Merged
Abdulazeem-code merged 1 commit into from
Jul 1, 2026
Merged

fix: verify freighter signer address #213

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10 changes: 8 additions & 2 deletions stellar-payment-platform/server.js
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Original file line number Diff line number Diff line change
Expand Up @@ -336,7 +336,8 @@ const verifyFreighterRegistrationSignature = ({
signerAddress,
}) => {
const message = `register:${username}:${address}`;
const keypair = Keypair.fromPublicKey(address);
const claimedSigner = signerAddress || address;
const keypair = Keypair.fromPublicKey(claimedSigner);

let signatureBuffer;
if (Buffer.isBuffer(signature)) {
Expand All @@ -353,13 +354,18 @@ const verifyFreighterRegistrationSignature = ({
throw error;
}

const claimedSigner = signerAddress || address;
if (!StrKey.isValidEd25519PublicKey(claimedSigner)) {
const error = new Error('Invalid signer address format.');
error.statusCode = 400;
throw error;
}

if (claimedSigner !== address) {
const error = new Error('Signer address does not match the connected wallet.');
error.statusCode = 401;
throw error;
}

return claimedSigner;
};

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