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feat: Add Stellar (XLM) private key validation and decoding

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void-57 2026-03-03 21:22:56 +05:30
parent 6dc2c8f922
commit b61209902a
1 changed files with 29 additions and 1 deletions
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index.html
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@ -2775,6 +2775,8 @@
value.startsWith('suiprivkey1') value.startsWith('suiprivkey1')
) { ) {
isValid = true; isValid = true;
} else if (value.startsWith('S') && value.length === 56) {
isValid = true;
} else { } else {
try { isValid = !!floCrypto.getPubKeyHex(value); } catch (e) { } try { isValid = !!floCrypto.getPubKeyHex(value); } catch (e) { }
} }
@ -2845,7 +2847,33 @@
}); });
if (!activeChain) return; if (!activeChain) return;
} }
else if (privateKey.startsWith('S') && privateKey.length === 56) activeChain = 'XLM'; else if (privateKey.startsWith('S') && privateKey.length === 56) {
activeChain = 'XLM';
try {
const BASE32_ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
let bits = 0;
let value = 0;
let output = [];
for (let i = 0; i < privateKey.length; i++) {
let val = BASE32_ALPHABET.indexOf(privateKey[i].toUpperCase());
if (val < 0) throw new Error("Invalid Base32 character");
value = (value << 5) | val;
bits += 5;
if (bits >= 8) {
output.push((value >>> (bits - 8)) & 255);
bits -= 8;
}
}
// First byte is version, next 32 bytes are Ed25519 seed
const seedBytes = output.slice(1, 33);
const seedHex = Crypto.util.bytesToHex(seedBytes);
let key = new Bitcoin.ECKey(seedHex);
key.setCompressed(true);
privateKey = key.getBitcoinWalletImportFormat();
} catch (e) {
console.error("Failed to decode XLM key", e);
}
}
else if (privateKey.startsWith('R')) activeChain = 'FLO'; else if (privateKey.startsWith('R')) activeChain = 'FLO';
else activeChain = 'UNKNOWN'; else activeChain = 'UNKNOWN';
} }