0xs34n / blockchain-cli Goto Github PK

When I run npm start, it gives me this error:

'.' is not recognized as an internal or external command, operable program or batch file.
npm ERR! Windows_NT 10.0.15063
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "start"
npm ERR! node v7.10.0
npm ERR! npm  v4.2.0
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] start: `./main.js`
npm ERR! Exit status 1

In order to fix the error, I changed the start script to node ./main.js.

Hi

$  npm install blockchain-cli -g
/Users/jorge/.nvm/versions/node/v4.8.0/bin/blockchain -> /Users/jorge/.nvm/versions/node/v4.8.0/lib/node_modules/blockchain-cli/main.js

> [email protected] install /Users/jorge/.nvm/versions/node/v4.8.0/lib/node_modules/blockchain-cli/node_modules/wrtc
> node-pre-gyp install --fallback-to-build

[wrtc] Success: "/Users/jorge/.nvm/versions/node/v4.8.0/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v46-darwin-x64/wrtc.node" is installed via remote
+ [email protected]
added 244 packages in 24.765s
Jorges-MBP:website jorge$ blockchain 
/Users/jorge/.nvm/versions/node/v4.8.0/lib/node_modules/blockchain-cli/lib/blockchain/index.js:7
class Blockchain {
^^^^^

SyntaxError: Block-scoped declarations (let, const, function, class) not yet supported outside strict mode
    at exports.runInThisContext (vm.js:53:16)
    at Module._compile (module.js:373:25)
    at Object.Module._extensions..js (module.js:416:10)
    at Module.load (module.js:343:32)
    at Function.Module._load (module.js:300:12)
    at Module.require (module.js:353:17)
    at require (internal/module.js:12:17)
    at Object.<anonymous> (/Users/jorge/.nvm/versions/node/v4.8.0/lib/node_modules/blockchain-cli/lib/cli/command/list-blockchain.js:1:82)
    at Module._compile (module.js:409:26)
    at Object.Module._extensions..js (module.js:416:10)

I got this error on the peer I send the discover command. (Only him is affected)
I'm also doing this test only on localhost. All nodes are in the same computer, but in different ports.

node: symbol lookup error: /home/victor/.nvm/versions/node/v8.2.1/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64/wrtc.node: undefined symbol: XOpenDisplay

I'll investigate it further, but any light is welcome. :)

PS: this bug was found on Linux.

fix time display

https://github.com/seanjameshan/blockchain-cli/blob/master/lib/cli/util/table.js#L26
the function 'toUTCString' should be changed to 'toISOString' (the toUTCString function will lose milliseconds that lead to sha256(block) different)
It's best to get rid of 'timeStamp/1000' but use timeStamp directly

fix hash display

https://github.com/seanjameshan/blockchain-cli/blob/master/lib/cli/util/table.js#L10
this line should be changed to 'colWidths:[20,66]' to show hash fully :
#13

make judgment more precise

https://github.com/seanjameshan/blockchain-cli/blob/master/lib/blockchain/index.js#L128
this line should be changed to 'return i >= this.difficulty;' ; the hash should contains at least difficulty zero

show mining time:

https://github.com/seanjameshan/blockchain-cli/blob/master/lib/blockchain/index.js#L111
before L111 while there should have a time:

var _beginTime = new Date();

after L116 spinner.clear(); there show have a tips:

console.log("Mining new block use time: ", new Date() - _beginTime, "ms")

App shouldn't crash when wrong command gets entered

Error message is:

module.js:529
throw err;
^

Error: Cannot find module '/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-darwin-x64/wrtc.node'
at Function.Module._resolveFilename (module.js:527:15)
at Function.Module._load (module.js:476:23)
at Module.require (module.js:568:17)
at require (internal/module.js:11:18)
at Object. (/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/lib/peerconnection.js:6:15)
at Module._compile (module.js:624:30)
at Object.Module._extensions..js (module.js:635:10)
at Module.load (module.js:545:32)
at tryModuleLoad (module.js:508:12)
at Function.Module._load (module.js:500:3)

Any idea?

Failed when trying to npm install blockchain-cli -g
Then I tried git clone w/a local install
Mac / [email protected] / node v8.4.0

npm install
WARN registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning EINTEGRITY: sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ== integrity checksum failed when using sha512: wanted sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ== but got sha1-No8lEtefnUb9/HE0mueHi7weuVw=. (25587 bytes)
WARN registry Using stale package data from https://registry.npmjs.org/ due to a request error during revalidation.
WARN registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning EINTEGRITY: sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg== integrity checksum failed when using sha512: wanted sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg== but got sha1-iTMSr2myEj3vcfV4iQAWce6yyFM=. (8851 bytes)
WARN registry Using stale package data from https://registry.npmjs.org/ due to a request error during revalidation.
WARN registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning EINTEGRITY: sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ== integrity checksum failed when using sha512: wanted sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ== but got sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=. (4142 bytes)
WARN registry Using stale package data from https://registry.npmjs.org/ due to a request error during revalidation.
WARN registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning EINTEGRITY: sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg== integrity checksum failed when using sha512: wanted sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg== but got sha1-iTMSr2myEj3vcfV4iQAWce6yyFM=. (8851 bytes)
WARN registry Using stale package data from https://registry.npmjs.org/ due to a request error during revalidation.
WARN registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning EINTEGRITY: sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg== integrity checksum failed when using sha512: wanted sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg== but got sha1-iTMSr2myEj3vcfV4iQAWce6yyFM=. (8851 bytes)
WARN registry Using stale package data from https://registry.npmjs.org/ due to a request error during revalidation.
WARN registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning EINTEGRITY: sha512-8T7Zn1AhMsQ/HI1SjcCfT/t4ii3eAqco3yOcSzS4mozsOz69lHLsoMXmF9nZgnFanYscnSlUSgs8uZyKzpE6kg== integrity checksum failed when using sha512: wanted sha512-8T7Zn1AhMsQ/HI1SjcCfT/t4ii3eAqco3yOcSzS4mozsOz69lHLsoMXmF9nZgnFanYscnSlUSgs8uZyKzpE6kg== but got sha1-3ACaJGuNCaF3tLegrne8Vw9LG3k=. (2516 bytes)
WARN registry Using stale package data from https://registry.npmjs.org/ due to a request error during revalidation.

> [email protected] install /usr/local/projects/blockcahin/blockchain-cli/node_modules/fsevents
> node install

[fsevents] Success: "/usr/local/projects/blockcahin/blockchain-cli/node_modules/fsevents/lib/binding/Release/node-v57-darwin-x64/fse.node" already installed
Pass --update-binary to reinstall or --build-from-source to recompile

> [email protected] install /usr/local/projects/blockcahin/blockchain-cli/node_modules/wrtc
> node-pre-gyp install --fallback-to-build

[wrtc] Success: "/usr/local/projects/blockcahin/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-darwin-x64/wrtc.node" is installed via remote
added 684 packages in 13.969s

After I execute the command sudo npm install blockchain-cli -g，it occurs no errors.
But when I run 'blockchain' command,it ocuurs following errors:

What should I do?
My npm version is V5.4.2 and node version is V8.7.0

What's the best way to do this? Look for example READMEs

Hi there,

Thanks for building this CLI. It's a really cool way to play around with a blockchain in a really interactive way.

Is there a way to display the full hash and previous hash values? I think it would be helpful if one could take the previous block and manually calculate the next hash to get a deeper understanding of how the blocks are generated, unfortunately the hash is clipped in the table display like so:

┌─────────────────────────────────────────┐
│               ⛓  Block #1               │
├────────────────────┬────────────────────┤
│ ⏮  Previous Hash   │ 0000018035a828da0… │
├────────────────────┼────────────────────┤
│ 📅  Timestamp       │ Fri, 15 Sep 2017   │
│                    │ 16:04:40 GMT       │
├────────────────────┼────────────────────┤
│ 📄  Data            │ hello              │
├────────────────────┼────────────────────┤
│ 📛  Hash            │ 00002ddfc3a099f0b… │
├────────────────────┼────────────────────┤
│ 🔨  Nonce           │ 86328              │
└────────────────────┴────────────────────┘

Hi guys,

After running sudo npm install, i was received some errors:

npm ERR! cb() never called!

npm ERR! This is an error with npm itself. Please report this error at:
npm ERR!     <https://npm.community>

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/ndc07/.npm/_logs/2018-12-12T17_33_36_212Z-debug.log

My configuration: Ubuntu 18.04, Node v10.14.2, npm v6.4.1

Thanks for helping me 🙏

npm-debug.txt

sudo npm install blockchain-cli -g
/usr/local/bin/blockchain -> /usr/local/lib/node_modules/blockchain-cli/main.js

[email protected] install /usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc
node-pre-gyp install --fallback-to-build

node-pre-gyp ERR! Tried to download(undefined): https://node-webrtc.s3.amazonaws.com/wrtc/v0.0.62/Release/node-v57-linux-x64.tar.gz
node-pre-gyp ERR! Pre-built binaries not found for [email protected] and [email protected] (node-v57 ABI) (falling back to source compile with node-gyp)
gyp ERR! configure error
gyp ERR! stack Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build'
gyp ERR! System Linux 3.13.0-129-generic
gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/node-gyp/bin/node-gyp.js" "configure" "--fallback-to-build" "--module=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64/wrtc.node" "--module_name=wrtc" "--module_path=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64"
gyp ERR! cwd /usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc
gyp ERR! node -v v8.4.0
gyp ERR! node-gyp -v v3.6.2
gyp ERR! not ok
node-pre-gyp ERR! build error
node-pre-gyp ERR! stack Error: Failed to execute '/usr/local/bin/node /usr/local/lib/node_modules/node-gyp/bin/node-gyp.js configure --fallback-to-build --module=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64/wrtc.node --module_name=wrtc --module_path=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64' (1)
node-pre-gyp ERR! stack at ChildProcess. (/usr/local/lib/node_modules/blockchain-cli/node_modules/node-pre-gyp/lib/util/compile.js:83:29)
node-pre-gyp ERR! stack at emitTwo (events.js:125:13)
node-pre-gyp ERR! stack at ChildProcess.emit (events.js:213:7)
node-pre-gyp ERR! stack at maybeClose (internal/child_process.js:927:16)
node-pre-gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:211:5)
node-pre-gyp ERR! System Linux 3.13.0-129-generic
node-pre-gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/blockchain-cli/node_modules/.bin/node-pre-gyp" "install" "--fallback-to-build"
node-pre-gyp ERR! cwd /usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc
node-pre-gyp ERR! node -v v8.4.0
node-pre-gyp ERR! node-pre-gyp -v v0.6.36
node-pre-gyp ERR! not ok
Failed to execute '/usr/local/bin/node /usr/local/lib/node_modules/node-gyp/bin/node-gyp.js configure --fallback-to-build --module=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64/wrtc.node --module_name=wrtc --module_path=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64' (1)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] install: node-pre-gyp install --fallback-to-build
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! /home/speed/.npm/_logs/2017-09-06T13_24_14_797Z-debug.log

OS: ubuntu Ubuntu 14.04 trusty
Kernel: x86_64 Linux 3.13.0-129-generic
Uptime: 3h 1m
Packages: 4247
Shell: bash 4.3.11
Resolution: 1920x1080
DE: Gnome 3.9.90
WM: GNOME Shell
WM Theme: Adwaita
Radiance [GTK2]
, Radiance [GTK3]
Icon Theme: elementary-xfce-darker
Font: Cantarell 11
CPU: AMD FX-8350 Eight-Core @ 4GHz
GPU: GeForce GTX 750 Ti
RAM: 5535MiB / 24011MiB

https://github.com/0xs34n/blockchain-cli not working

The --harmony flag in the shebang line in this file is confusing my linux system, as it is treating node --harmony as a single executable file name:

~ $ npm i -g blockchain.js
~ $ blockchain
/usr/bin/env: ‘node --harmony’: No such file or directory

Considering anyone with a reasonably up-to-date Node installation won't need the harmony flag, it's probably safe to remove it and prevent this from being a problem for anyone - and, perhaps, encourage people to update their Node installations in the process.

I uninstalled NPM, reinstalled it, and I still keep getting this error:
network request to https://npm-registry.whitewater.ibm.com/e/end-of-stream/_attachments/end-of-stream-1.4.0.tgz failed, reason: getaddrinfo ENOTFOUND npm-registry.whitewater.ibm.com npm-registry.whitewater.ibm.com:443

Planning on launching Blockchain.js on Product Hunt on Thursday!

@nblackburn thoughts? advice? tips?