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JavaScript SDK for CKB

Home Page: https://www.nervos.org

License: MIT License

JavaScript 51.10% TypeScript 48.73% Makefile 0.04% Shell 0.13%

blockchain ckb javascript nervos

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ckb-sdk-js's Issues

Update the number type in RPC signatures to bigint

ReferenceError: Can't find variable: BigInt

When I was in safari and ci runtime environment, it will be reported the following error:
ReferenceError: Can't find variable: BigInt

This problem also appeared with lower node versions, is there any solution?

相同的tx数据，通过不同的工具进行签名，witnesses不一样

我们分别用 ckb-sdk-js ckb.signTransaction 跟 ckb studio 进行签名，witnesses数据不一样

交易结构如下：

const rawTx = {
  "version": "0x0",
  "cellDeps": [{
    "depType": "depGroup",
    "outPoint": {
      "txHash": "0xace5ea83c478bb866edf122ff862085789158f5cbff155b7bb5f13058555b708",
      "index": "0x0"
    }
  }, {
    "depType": "code",
    "outPoint": {
      "txHash": "0x9b08d3645320e5915c8682e591f36f951dc14a733bdaa58a5e6ccefdb9c4b5b0",
      "index": "0x0"
    }
  }],
  "headerDeps": [],
  "inputs": [{
    "since": "0x0",
    "previousOutput": {
      "txHash": "0xef7e089ba381ad4eecd64565cc739278032e84baa011d8d559394e5cadd8b898",
      "index": "0x1"
    }
  }, {
    "since": "0x0",
    "previousOutput": {
      "txHash": "0xef7e089ba381ad4eecd64565cc739278032e84baa011d8d559394e5cadd8b898",
      "index": "0x0"
    }
  }],
  "outputs": [{
    "capacity": "0xb0f387b00",
    "lock": {
      "hashType": "data",
      "codeHash": "0x0fb343953ee78c9986b091defb6252154e0bb51044fd2879fde5b27314506111",
      "args": "0xcf0c34ac8af4a2c7861b33640ecc9af4e8d338f1"
    },
    "type": null
  }, {
    "capacity": "0x22ecb25c00",
    "lock": {
      "hashType": "type",
      "codeHash": "0x9bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce8",
      "args": "0xbc76e06a53193d3cb2fd0eb331237cb021fe39ea"
    },
    "type": null
  }],
  "outputsData": ["0x", "0x"],
  "witnesses": [{
    "lock": "",
    "inputType": "",
    "outputType": ""
  }, "0x"]
};

sdk签名数据：

"witnesses":["0x5500000010000000550000005500000041000000e2c1d469d5f0c8011c064a9041dd0d556fdb7d95c5a37e0b2778a6e1b115341b17fa8868c2b4ff0cfee9b4196a23cfee72ac240dbe041740dcf15767e334de4901","0x"]}

通过studio签名数据：

"witnesses": ["0x55000000100000005500000055000000410000004c18a8bc16a6403a5e600e9e23c106382f5cdfe8110733dccb7138979cda7dbc14e7fd2350cfa9f7414eb548094fa62bd5de344fd180bae57aeadfcc145eaf4300", "0x"]

共同使用 ckb.rpc.sendTransaction 发送交易，使用sdk签名的数据提示错误 {"code":-3,"message":"Script: ValidationFailure(-31)"}，而studio签名数据能发送成功。

how to send transactions with multi private keys?

I found similar issue #362 before, but can't get the function of "generateTransactionBuilder" anymore, I push each witness from different keys into witnesses, but got an error "InvalidScript(-31)"

the witnesses looks like this "['0x550000001000000055000000550000004100000000xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx','0x550000001000000055000000550000004100000000yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy', '0x', '0x']

a bug in generateRawTransaction which might cause tx failure

https://github.com/nervosnetwork/ckb-sdk-js/blob/491bf1e86b35fb0bc50871bbdccb56ec41bdc44c/packages/ckb-sdk-core/src/generateRawTransaction.ts#L94

Imagin this:

total input capacity =100 CKB
target capacity = 70 CKB
which will leave the change output cell only 30 CKB
Since the minimal cell capacity is 63 CKB, it will cause "Insufficient Cell Capacity" error.

I think the code here should be changed to:

 if (inputCapacity > targetCapacity + targetFee + BigInt(63e8)) {

Code hash error when attempting to generate full address from private key.

Error: '0x00' is not a valid code hash
    at toAddressPayload (/home/username/testing/node_modules/@nervosnetwork/ckb-sdk-utils/lib/address/index.js:57:15)
    at bech32Address (/home/username/testing/node_modules/@nervosnetwork/ckb-sdk-utils/lib/address/index.js:69:210)
    at pubkeyToAddress (/home/username/testing/node_modules/@nervosnetwork/ckb-sdk-utils/lib/address/index.js:75:38)
    at privateKeyToAddress (/home/username/testing/node_modules/@nervosnetwork/ckb-sdk-utils/lib/index.js:55:84)
    at Object.<anonymous> (/home/username/testing/index.js:5:57)
    at Module._compile (internal/modules/cjs/loader.js:778:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
    at Function.Module._load (internal/modules/cjs/loader.js:585:3)

index.ts:

import {AddressPrefix, AddressType, privateKeyToAddress} from '@nervosnetwork/ckb-sdk-utils';

const PRIVATE_KEY = '0xcd708059624d8301382972808b3e504b5ea3d94e210edf229f48cadcb8fe0989';

const address = privateKeyToAddress(PRIVATE_KEY, {prefix: AddressPrefix.Testnet, type: AddressType.FullVersion});

console.log(address);

How to run contents of test.zip:

npm i
npx tsc
nodejs index.js

test.zip

Duplicate transaction error

I am sending ckb using the sendtransaction function of ckb-sdk-js.

However, sending the same amount to the same address within a short period of time will result in a depulicate transaction error. I think that the same transaction should not be made because the previous cell was used. Is there any way to solve this?

For reference, live cells are managed through lumos/indexer.

Deploy the Anyone-can-pay contract

Implement the basic workflow of deploying an anyone-can-pay contract

loadSystemCell fail

latest version
example code

(node:24816) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'replace' of undefined
    at Core.<anonymous> (/home/hunjixin/project/node_modules/@nervosnetwork/ckb-sdk-core/lib/index.js:59:54)
    at Generator.next (<anonymous>)
    at fulfilled (/home/hunjixin/project/node_modules/@nervosnetwork/ckb-sdk-core/lib/index.js:4:58)
    at processTicksAndRejections (internal/process/task_queues.js:85:5)

How could I generate a private key and wallet address with this sdk?

I could not find the related api to interact with address and wallet, could anyone help me? thanks.

Add a method to deserialize witness

npx tsc error

I run npx tsc in docker (FROM node:12.12.0) and gave the following error:

Step 9/11 : RUN npx tsc
 ---> Running in faa6b0c40395
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(2,23): error TS2688: Cannot find type definition file for './types/ckb_rpc'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(13,53): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(14,66): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(15,54): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(16,57): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(18,56): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(19,74): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(27,28): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(28,28): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(29,26): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(30,28): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(31,32): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(32,27): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(33,30): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(34,29): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(35,36): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(36,26): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(37,40): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(38,34): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(39,28): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(40,30): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(41,26): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(42,31): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(43,24): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(44,32): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(46,19): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(52,26): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(53,41): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(59,43): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(60,49): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(67,26): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(68,48): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(69,50): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(70,40): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(71,39): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(72,41): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(73,42): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(74,46): error TS2503: Cannot find namespace 'CKB_RPC'.
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/index.d.ts(75,52): error TS2503: Cannot find namespace 'CKB_RPC'.
The command '/bin/sh -c npx tsc' returned a non-zero code: 2
...

This problem does not appear on my Apple computer.I suspect that it is the case of the folder name in sdk, please see the figure below:

iOS 11 下会因为 wasm 导致 crash

JSC 的相关 bug：
iOS 11.2.2 and 11.2.5b6 WebAssembly regression

可以考虑用 https://github.com/dcposch/blakejs 替换 blake2b-wasm

Set `cells` in `signTransaction` optional

sendTransactionError: code:-3 message:"Script(ValidationFailure(-2)

I have a problem when sending transaction, I followed the example of building a trading, only modified address and private key

https://github.com/nervosnetwork/ckb-sdk-js/blob/develop/packages/ckb-sdk-core/examples/sendTransaction.js

What is the clear mistake? thanks!

Dao related problems, please help me to have a look

The call to deposit is successful, and the call to starwithdrawing is also successful, but the call to withdraw reports an error. What is the reason for the error? don't quite understand
This is my address: ckt1qyqw8c9g9vvemn4dk40zy0rwfw89z82h6fys07ens3

const depositOutPoint = {
  txHash: "0x201b4e60ee79934170cadc8e296e9d685c49f2b497e964417d754b88e051e2b1",
  index: "0x0"
};
const startWithDrawOutPoint = {
  txHash: "0xd5271ca8302f155bdcc69e60e967aa9eb709eb8f559f46a8b79613955626bbcf",
  index: "0x0"
};
const withdraw = async () => {
  await ckb.loadDeps();
  await loadCells();
  const tx = await ckb.generateDaoWithdrawTransaction({
    depositOutPoint,
    withdrawOutPoint: startWithDrawOutPoint,
    fee: BigInt(1000000)
  });
  console.log(tx, "tx_________");
  const signed = ckb.signTransaction(sk)(tx);
  console.log(signed, "signed______");

  const txHash = await ckb.rpc.sendTransaction(signed);
  console.log(txHash, "txHash______");
  const outPoint = {
    txHash,
    index: "0x0"
  };
  console.log(`const withdrawOutPoint = ${JSON.stringify(outPoint, null, 2)}`);
};

The balance is sufficient but cannot be transferred

I used an unspent cell to transfer 3424540000 capacity, but the RPC returned Error: {"code":-3,"message":"Transaction(InsufficientCellCapacity)"}.

The picture below is my transfer capacity (0xcc1e5560 - 3424540000):

Below is the available cell I queried using loadCells(0x8bb2c97000 - 600000000000):

This is RPC respoonse result:

lib does not exist

The tests are not runnable, lib is not found.

https://github.com/nervosnetwork/ckb-sdk-js/blob/develop/packages/ckb-sdk-address/__tests__/ckb-sdk-address.test.js#L1
const Address = require('../lib').default

support similar ruby sdk`block_assembler_config` methods ？

ruby sdk support block_assembler_config，run the gem is so complex。

puts wallet.block_assembler_config

[block_assembler]
code_hash = "0x9e3b3557f11b2b3532ce352bfe8017e9fd11d154c4c7f9b7aaaa1e621b539a08"
args = ["0x03ae708e284f6a53d12da45f7fe5e8c232c353c2"]

Blake160 in C

I am applying blake2b algorithm in c and removing last 12 bytes. But my output in c is not matching with this.

it('blake160', () => {
const fixture = {
message: '024a501efd328e062c8675f2365970728c859c592beeefd6be8ead3d901330bc01',
digest: '36c329ed630d6ce750712a477543672adab57f4c',
}
const digest = blake160(new Uint8Array(Buffer.from(fixture.message, 'hex')), 'hex')
expect(digest).toBe(fixture.digest)
})

Limitation of address type should be reinforced

https://github.com/nervosnetwork/ckb-sdk-js/blob/develop/packages/ckb-sdk-utils/src/address/index.ts#L308

Values other than valid enums should be rejected.

CKB2021 compatibility

Has this repository been upgraded to CKB2021 upgrade?

I'm specifically asking if it supports:
nervosnetwork/rfcs#239

Already. I see there was a PR 3 months ago that added some compatibility with CKB2021, but nervosnetwork/rfcs#239 was updated 23 days ago.

cc @Keith-CY

How to send tx in production or get balance?

It's example with loadCells method, but with warning: "This method is only for demo, don't use it in production"
How to create and send tx in production? Or get balance for account?

I can transfer money on the testnet, but I get an error when I switch to the mainnet

Hello, I can use this transfer successfully in the test environment, but when I switch to the main network, an error will be reported. I deleted the private key and need to replace it with yours. The rawTransaction configuration address should also be replaced with your own, please help ,thanks

export const bootstrap = async () => {
  const privateKey = "" // example private key

  const ckb = new CKB("https://mainnet.ckb.dev") // instantiate the JS SDK with provided node url

  await ckb.loadDeps() // load the dependencies of secp256k1 algorithm which is used to verify the signature in transaction's witnesses.

  const publicKey = ckb.utils.privateKeyToPublicKey(privateKey)
  /**
   * to see the public key
   */
  // console.log(`Public key: ${publicKey}`)

  const publicKeyHash = `0x${ckb.utils.blake160(publicKey, 'hex')}`
  /**
   * to see the public key hash
   */
  console.log(`Public key hash: ${publicKeyHash}`)

  const addresses = {
    mainnetAddress: ckb.utils.pubkeyToAddress(publicKey, {
      prefix: ckb.utils.AddressPrefix.Mainnet
    }),
    testnetAddress: ckb.utils.pubkeyToAddress(publicKey, {
      prefix: ckb.utils.AddressPrefix.Testnet
    })
  }

  console.log(ckb.config,"ckb.config______")

  /**
   * to see the addresses
   */
  // console.log(JSON.stringify(addresses, null, 2))

  // return


  if (!ckb.config.secp256k1Dep) return
  

  const lock = {
    codeHash: ckb.config.secp256k1Dep.codeHash,
    hashType: ckb.config.secp256k1Dep.hashType,
    args: publicKeyHash
  }



  // console.log(lock,"lock_____")
  /**
   * load cells from lumos as `examples/sendTransactionWithLumosCollector.js` shows
   */
  const unspentCells = await ckb.loadCells({ indexer, CellCollector, lock })

  /**
   * to see the unspent cells
   */
  console.log(unspentCells,"unspentCells____")

  /**
   * send transaction
   */
  const toAddress = ckb.utils.privateKeyToAddress("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", {
    prefix: ckb.utils.AddressPrefix.Testnet
  })

  /**
   * @param fee - transaction fee, can be set in number directly, or use an reconciler to set by SDK
   *                               say, fee: BigInt(100000) means transaction fee is 100000 shannons
   *                                or, fee: { feeRate: '0x7d0', reconciler: ckb.utils.reconcilers.extraInputs } to set transaction fee by reconcilers.extraInputs with feeRate = 2000 shannons/Byte
   *
   * @external https://docs.nervos.org/docs/essays/faq#how-do-you-calculate-transaction-fee
   */
  const rawTransaction = await ckb.generateRawTransaction({
    fromAddress: "ckb1qyq9suqw8dlmfe9zfhpeapceypr3mmjax3mse7sf39",
    toAddress:"ckb1qyqtjfdvsmlksux7zw69zk54krjt46gkf3eqr0zw7x",
    capacity: BigInt(6200000000),
    fee: BigInt(100000),
    safeMode: true,
    cells: unspentCells,
    deps: ckb.config.secp256k1Dep,
  })

  console.log(rawTransaction,"rawTransaction____")


  const signedTx = ckb.signTransaction(privateKey)(rawTransaction)
  /**
   * to see the signed transaction
   */
  console.log(JSON.stringify(signedTx, null, 2))

  const realTxHash = await ckb.rpc.sendTransaction(signedTx)
  /**
   * to see the real transaction hash
   */
  console.log(`The real transaction hash is: ${realTxHash}`)
}

address module not working

How To Reproduce

setup a new node project

mkdir peter_test&&cd peter_test
npm init

install package

yarn add @nervosnetwork/ckb-sdk-address

save code in index.js

const Address = require('@nervosnetwork/ckb-sdk-address')

const privateKey =
  '7ee543efa447260ecda666296fa64f67c0482e6371e69b3a9cd8ae6ac7646bdf'

const address = new Address(privateKey)
console.log(address)

node index.js

Expected

to see the address in console output

Actually Saw

➜  peter-test node index.js 
/Users/peter/Desktop/nervos/ckb-mining/peter-test/index.js:6
const address = new Address(privateKey)
                ^

TypeError: Address is not a constructor

Update build badges on next release

Replace the travis with github actions

Is there a quick rpc api to get the balance directly?

I looked at #227 and looked at ruby's getbalance source code. I found it difficult to get the balance. Is there an easier way?

jsonScriptToTypeHash doubt

I use ckb-sdk-js to generate ckb address.
Use it like this:

The privateKey is different every time, but the address always is
2c77e61b5ef14aa2d8b9f54cb53247df69383b7bbffa8ac10797b95bcc0fbf66.

This is what @cezres once archived, it work well.

Can you point out my mistake ？ @Keith-CY

createBatchRequest need to handle the case when params is an empty array

When params is an empty array, it results in an empty array payload.
As a result, the RPC service returns an empty string '' for the data. This leads to an error being thrown at this line: https://github.com/ckb-js/ckb-sdk-js/blob/5a462cab76e008c2d54e1c46eff02bf750ddc0c0/packages/ckb-sdk-rpc/src/index.ts#LL113C26-L113C26.

Rename the Core module to CKB module

merkle_tree

I found that the implementation of nervous merkle tree is unique. I cannot find the same third-party library's JavaScript implementation. Can you provide this method in this repository?Thank you.

Use `systemScripts` module instead of `setSecp256k1Dep` method

systemScript: https://github.com/nervosnetwork/ckb-sdk-js/blob/develop/packages/ckb-sdk-utils/src/systemScripts.ts

setSecp256k1Dep: https://github.com/nervosnetwork/ckb-sdk-js/blob/develop/packages/ckb-sdk-core/src/index.ts#L481

how to generate block_assembler for mining usage

https://docs.nervos.org/getting-started/mine
Current mining doc is for ruby, is there a way to generate block_assembler with js-sdk?

[block_assembler]
code_hash = "0x9e3b3557f11b2b3532ce352bfe8017e9fd11d154c4c7f9b7aaaa1e621b539a08"
args = ["0x03ae708e284f6a53d12da45f7fe5e8c232c353c2"]

GenerateRawTransaction should be generic

Generate Raw Transaction in sdk only accommodates send capacity use case. It should allow for generating different types of transactions. If we want to have a built in transfer capacity method, this method should then use the generate raw transaction.

0.36.0 doesn't compile with typescript 4.0.3

In a typescript 4.0.3 project, as soon as I add @nervosnetwork/ckb-sdk-core": "^0.36.0" to my package.json I get when I try to compile the project:

node_modules/@nervosnetwork/ckb-sdk-core/types/global.d.ts:58:13 - error TS2430: Interface 'Output' incorrectly extends interface 'CellOutput'.
  Types of property 'capacity' are incompatible.
    Type 'string | bigint' is not assignable to type 'string'.
      Type 'bigint' is not assignable to type 'string'.

58   interface Output extends CKBComponents.CellOutput {
               ~~~~~~

Any way to fix this before 0.37.0?

It's quite annoying as it forces me to turn on skipLibCheck for the whole project.

Enable sign message with specified prefix

Sign message with specified prefix appended
Ref: https://github.com/nervosnetwork/neuron/blob/feat/hardware-wallet/packages/neuron-wallet/src/services/sign-message.ts#L14

Replace axios

Axios cannot handle https cases.

Question about calling `generateRawTransaction` function raise `InsufficientCellCapacity` error

I see the generateRawTransaction function with the safeMode parameter. This parameter controls the use of unspent, but because there is a problem that the remaining spent cannot be less than 61CKB, the problem is that the balance is sufficient, but the transfer fails. Is the code of the link below, Can be changed to if (inputCapacity >= costCapacity + 61) { ?

https://github.com/nervosnetwork/ckb-sdk-js/blob/969a6c5b1807842876f7a90414683d143697ffb0/packages/ckb-sdk-core/src/generateRawTransaction.ts#L86

triple slash directive resolves module in lowercase name

microsoft/TypeScript#26948
#386
#371

API to query wallet balance

Searched balance in the codebase, but got no result.

Any plan to implement sth like get_balance() ?

Some problems with sdk

1. After I run `yarn add @nervosnetwork/ckb-sdk-core`, I can't find the folder in the local node_modules:

node_modules/@nervosnetwork/ckb-sdk-core/lib/types -> https://github.com/nervosnetwork/ckb-sdk-js/tree/develop/packages/ckb-sdk -core/types
node_modules/@nervosnetwork/ckb-sdk-rpc/lib/types/CKB_RPC -> https://github.com/nervosnetwork/ckb-sdk-js/tree/develop/packages/ckb-sdk-rpc/types/CKB_RPC
node_modules/@nervosnetwork/ckb-sdk-utils/lib/types/blake2b-wasm -> https://github.com/nervosnetwork/ckb-sdk-js/tree/develop/packages/ckb-sdk-utils/types/blake2b-wasm

Should be missing these folders and files when packaging.

2. My project can be successfully built in the `macOS catalina`, but fails on `docker node:12.12.0`.

After my debug, the reason for the guess is that the problem of the folder "node_modules/@nervosnetwork/ckb-sdk-rpc/lib/types/CKB_RPC` is uppercase. After changing to lowercase, my project can be built success.

The second question is consistent with #371 .

Upgrade dot-prop

Unable to get sender via get_transaction rpc

I call RPC get_transaction to get the details of 0x32a6d5be08261efc63ccaa31503fe065cc28ee21b976883f694d062570954e6f and get the result:

{
  "jsonrpc": "2.0",
  "result": {
    "transaction": {
      "cell_deps": [
        {
          "dep_type": "dep_group",
          "out_point": {
            "index": "0x0",
            "tx_hash": "0xe02c8a20a64a336cac1e477b9847888251a30a9bfe2d9050ca7ab59f507b15c7"
          }
        }
      ],
      "hash": "0x32a6d5be08261efc63ccaa31503fe065cc28ee21b976883f694d062570954e6f",
      "header_deps": [],
      "inputs": [
        {
          "previous_output": {
            "index": "0x0",
            "tx_hash": "0x7d8bbb5638926ca86d6f318679c014d31bd3eaea474d1a264e863f1867d2cd69"
          },
          "since": "0x0"
        }
      ],
      "outputs": [
        {
          "capacity": "0x19b45a500",
          "lock": {
            "args": "0xa43856a2fcef41be40170cb473500cc7b30a4dbf",
            "code_hash": "0x9bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce8",
            "hash_type": "type"
          },
          "type": null
        }
      ],
      "outputs_data": [
        "0x"
      ],
      "version": "0x0",
      "witnesses": [
        "0x901f842a476383a52e97dcf68a1f56ef9e5f9f30cd1d871b42aeccb6246a5fee22b9a466bab13c8334698288ec8edee10cfe78851cfd1ae8094794108426e33200"
      ]
    },
    "tx_status": {
      "block_hash": "0x7a7f7296b6922225d4ca35798301139c227b8a8f35033367e89c251317cba91f",
      "status": "committed"
    }
  },
  "id": 1
}

How do I know the sender's address through the results?

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1. After I run yarn add @nervosnetwork/ckb-sdk-core, I can't find the folder in the local node_modules:

2. My project can be successfully built in the macOS catalina, but fails on docker node:12.12.0.

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1. After I run `yarn add @nervosnetwork/ckb-sdk-core`, I can't find the folder in the local node_modules:

2. My project can be successfully built in the `macOS catalina`, but fails on `docker node:12.12.0`.