@cityofzion/neon-api/lib/transaction/signing.js

Neon-API module: High level API for neon-js

import { wallet } from "@cityofzion/neon-core";
export function signWithAccount(acct) {
    return async (tx, details) => {
        const txData = tx.getMessageForSigning(details.network);
        const scriptHash = wallet.getScriptHashFromVerificationScript(tx.witnesses[details.witnessIndex].verificationScript.toString());
        if (scriptHash !== acct.scriptHash) {
            throw new Error(`Requested signature from ${wallet.getAddressFromScriptHash(scriptHash, acct.addressVersion)} but only have key of ${acct.address}.`);
        }
        return wallet.sign(txData, acct.privateKey);
    };
}
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