rjchow / ethers-aws-kms-signer Goto Github PK

let signer = new AwsKmsSigner(kmsCredentials);
const provider = ethers.providers.getDefaultProvider("xxxxxxx");
signer = signer.connect(provider);

const tx = await signer.sendTransaction({
        // from: from,
        to: "0x00000",
        value: value,
        gasLimit: gasLimit,
        gasPrice: gp,
        // maxFeePerGas: maxFeePerGas,
        // maxPriorityFeePerGas: maxPriorityFeePerGas
        type: 0
    });

// Populates all fields in a transaction, signs it and sends it to the network
async sendTransaction(transaction: Deferrable<TransactionRequest>): Promise<TransactionResponse> {
        this._checkProvider("sendTransaction");
        
        const tx = await this.populateTransaction(transaction);
        
        const signedTx = await this.signTransaction(tx);
        
        return await this.provider.sendTransaction(signedTx);
    }

signTransaction(transaction) {
    var _this4 = this;

    return _asyncToGenerator(function* () {
      
      const unsignedTx = yield _ethers.ethers.utils.resolveProperties(transaction);
      
      const serializedTx = _ethers.ethers.utils.serializeTransaction(unsignedTx);
      
      const transactionSignature = yield _this4._signDigest(_ethers.ethers.utils.keccak256(serializedTx));
      
      return _ethers.ethers.utils.serializeTransaction(unsignedTx, transactionSignature);
    })();
  }

// Legacy Transactions and EIP-155
function _serialize(transaction: UnsignedTransaction, signature?: SignatureLike): string {
    checkProperties(transaction, allowedTransactionKeys);
    ......

export function checkProperties(object: any, properties: { [ name: string ]: boolean }): void {
    if (!object || typeof(object) !== "object") {
        logger.throwArgumentError("invalid object", "object", object);
    }

    Object.keys(object).forEach((key) => {
        if (!properties[key]) {
            logger.throwArgumentError("invalid object key - " + key, "transaction:" + key, object);
        }
    });
}


const allowedTransactionKeys: { [ key: string ]: boolean } = {
    chainId: true, data: true, gasLimit: true, gasPrice:true, nonce: true, to: true, type: true, value: true
}

signTransaction(transaction) {
    var _this4 = this;

    return _asyncToGenerator(function* () {
      
      const unsignedTx = yield _ethers.ethers.utils.resolveProperties(transaction);
      
      delete unsignedTx.from; // modify here!
      
      const serializedTx = _ethers.ethers.utils.serializeTransaction(unsignedTx);
      
      const transactionSignature = yield _this4._signDigest(_ethers.ethers.utils.keccak256(serializedTx));
      
      return _ethers.ethers.utils.serializeTransaction(unsignedTx, transactionSignature);
    })();
  }