Javascript Blockcypher错误非规范签名：长度标记错误

我正在尝试使用blockcypher对比特币testnet交易进行签名，但当我发送交易时，我收到了错误：

Error building input: Error generating scriptsig when building transaction: Invalid signature: Non-canonical signature: wrong length marker

下面是im用于创建和签署交易的完整代码

var bitcoin = require("bitcoinjs-lib");
var buffer = require('buffer');
var keys = new bitcoin.ECPair.fromWIF('cMvPQZiG5mLARSjxbBwMxKwzhTHaxgpTsXB6ymx7SGAeYUqF8HAT', bitcoin.networks.testnet);

var newtx = {
    inputs: [{ addresses: ['ms9ySK54aEC2ykDviet9jo4GZE6GxEZMzf'] }],
    outputs: [{ addresses: ['msWccFYm5PPCn6TNPbNEnprA4hydPGadBN'], value: 1000 }]
};

// calling the new endpoint, same as above
$.post('https://api.blockcypher.com/v1/btc/test3/txs/new', JSON.stringify(newtx)).then(function (tmptx) {
    console.log(tmptx);
    // signing each of the hex-encoded string required to finalize the transaction
    tmptx.pubkeys = [];
    tmptx.signatures = tmptx.tosign.map(function (tosign, n) {
        tmptx.pubkeys.push(keys.publicKey.toString("hex"));

        var SIGHASH_ALL = 0x01;
        return bitcoin.script.signature.encode(keys.sign(new buffer.Buffer(tosign, "hex")), SIGHASH_ALL).toString("hex");

    });

    // sending back the transaction with all the signatures to broadcast
    $.post('https://api.blockcypher.com/v1/btc/test3/txs/send', tmptx).then(function (finaltx) {
        console.log(finaltx);
    }).catch(function (response) {
        console.log(response.responseText);
    });

}).catch(function (response) {
    console.log(response.responseText);
});

这是它返回的公钥、签名和tosign

pubkeys: Array [ "0280eed82a88edb3c9e303c5bae330c95db41d9f92cafd6081efb6029c6bf38bc6" ]
​
signatures: Array [ "3044022009823c6cffc38b406322f507c36a3875b52a6151eaea80583821c7a5d1bf776d02203690252f20a4fc9a18350d77adc9c3ef0e6b3c5037dceb623aac38904e7062f701" ]
​
tosign: Array  [ "2ebdbde14f8bc2e6d949832e8dfd026147120ce60ff575c70c06f708be1e8556" ]

由于它的状态和签名错误，我只能认为它可能是这一行

  var SIGHASH_ALL = 0x01;
  return bitcoin.script.signature.encode(keys.sign(new buffer.Buffer(tosign, "hex")),SIGHASH_ALL,).toString("hex");

---

有人知道这是什么意思吗？怎么解决呢？

请试试这个。根据新的变化，我已经适应了以下情况。请尝试以下答案并测试它

tmptx.pubkeys.push(keys.publicKey.toString('hex'));
let signature = keys.sign(Buffer.from(tosign, "hex"));
let encodedSignature = bitcoin.script.signature.encode(signature,bitcoin.Transaction.SIGHASH_ALL);
let hexStr = encodedSignature.toString("hex").slice(0, -2); return hexStr;

---

你能解决它吗？你找到解决方案了吗？

tmptx.pubkeys.push（keys.publicKey.toString（'hex'）

let signature=keys.sign（Buffer.from（tosign，hex））

让encodedSignature=bitcoin.script.signature.encode（signature，bitcoin.Transaction.sigash_ALL）

让hextr=encodedSignature.toString（“hex”）.slice（0，-2）
返回hexStr请尝试此选项@brandbei37@yashvadhvani这应该是答案