@ledgerhq/coin-aptos/lib-es/logic/combine.js

Ledger Aptos Coin integration

import { AccountAuthenticatorEd25519, Deserializer, Ed25519PublicKey, Ed25519Signature, Hex, RawTransaction, generateSignedTransaction, } from "@aptos-labs/ts-sdk";
export function combineSignedTransaction(txRaw, signature, pubkey) {
    const authenticator = new AccountAuthenticatorEd25519(pubkey, signature);
    return generateSignedTransaction({
        transaction: { rawTransaction: txRaw },
        senderAuthenticator: authenticator,
    });
}
export function combine(tx, signature, pubkey) {
    if (!Hex.isValid(tx).valid) {
        throw new Error("tx must be a valid hex value");
    }
    if (!Hex.isValid(signature).valid) {
        throw new Error("signature must be a valid hex value");
    }
    if (pubkey === undefined) {
        throw new Error("account must have a public key");
    }
    if (!Hex.isValid(pubkey).valid) {
        throw new Error("pubkey must be a valid hex value");
    }
    const ed25519Signature = new Ed25519Signature(signature);
    const ed25519PubKey = new Ed25519PublicKey(pubkey);
    const txBytes = Hex.fromHexString(tx).toUint8Array();
    const txRaw = RawTransaction.deserialize(new Deserializer(txBytes));
    const signedTxBytes = combineSignedTransaction(txRaw, ed25519Signature, ed25519PubKey);
    return Hex.fromHexInput(signedTxBytes).toString();
}
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