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Function: normalizeSignature()

normalizeSignature(signedAuthEntryB64): Uint8Array

Defined in: packages/signers/src/wallets-kit/normalize-signature.ts:24 Normalize the signature returned by Wallets Kit to the 64-byte Ed25519 value. The FreighterModule double-encodes (Buffer.from(string) without 'base64'), so a 64-byte signature can come back as 88 bytes - the ASCII of its own base64. We detect that case (the bytes decode to a valid base64 string whose inner decode is exactly 64 bytes) and unwrap it. Anything else is a hard failure: shipping a malformed signature to the relayer fails far downstream with a cryptic error, so we fail loudly here as SIGNATURE_REJECTED. Ported from the dashboard’s web3-stellar/sign.ts (verified against real wallet-captured fixtures); the dashboard’s silent return decoded fallback is replaced by the assertion below so no consumer ever sees a non-64-byte value.

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Parameters

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signedAuthEntryB64

string

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Returns

Uint8Array