MultiChain Development

  • Multichain benchmarking with NodeJS wrapper December 11, 2017
    I was running a multichain benchmark test, using this ( https://github.com/scoin/multichain-node ) node wrapper as listed on your developer page to make the calls. When I try a fairly high number of r …
  • Is this deliberate or the builds are tampered with? December 10, 2017
    https://www.multichain.com/download/  There is Rick Ashley?
  • Multichain internal database December 9, 2017
    I understand bitcoin uses leveldb internally? What does Multichain use? Thanks.
  • View Balance of address who has not been added to a wallet December 9, 2017
    I want to see the balances of an address that isn't necessarily in any nodes wallet. I have created a new address with "createkeypairs" I use raw transactions to send some of asset1 to …
  • Mystery dump file December 8, 2017
    Hello! I'm have blockhain with 3 nodes: node1(blockchain creator&admin), node2 and node3. All is working fine, but i note, that on node1 blockchain's folder are different on each node. F …
  • MultiChain2.0 alfa issues on stream keys array and data-json December 8, 2017
    Cheching 2.0 alfa 1 release and try to write several keys with data-json structure instead a key and data-hex. CLI help notifies this^ Arguments: 1. "from-address"                   (string, …
  • RPC to multiple nodes December 8, 2017
    Dear all, I am trying to set up a system in which I have different nodes all connected to one single chain. I have deployed the docker cluster provided by kunstmaan but I am facing the following probl …
  • Understanding Multichain December 7, 2017
    Hi all, I have few doubts that I want to clear. 1- If install multichain on an EC2 server that will be One node or first node, right? 2- If I create a website connect to the server, will each end user …
  • how to know owner of the created assets? December 7, 2017
    Hi,   I want to know the owner for created assets and trasaction id's of created assets..   Thanking you in advance.
  • Can I use MultiChain for my own cryptocurrency? December 6, 2017
    Is it possible and more importantly is it straight forward to use MultiChain for my own decentralized cryptocurrency? I've read conflicting posts here regarding the possibility of this, some sayi …
  • What is the minimum send amount? December 6, 2017
    Hello, Multichain developers:) I found a strange thing during the test about the minimum send amount. native-currency-multiple is 100000000 and minimum-relay-fee is 1000000 in params.dat I’ve sent 0.0 …
  • How can I connect multichain to Bitcoin network? December 6, 2017
    Hi guys, I have a multichain instance and I want to connect it to the Bitcoin network, download the full ledger and create some wallet addresses in my multichain (which can be used for Bitcoin transfe …
  • We need a currency and want to allow user to create account from UI and send/receive amount between wallet. December 5, 2017
    We need a currency and want to allow user to create account from UI and send/receive amount between wallet.What is a client side requirements,1. A secure currency2. A logged in user can see thair bala …
  • Assets not visible after the simple transaction (within same node) December 5, 2017
    We are using Multichain with external keys storage, all transactions signed outside of the Multichain. Just found a very strange Multichain behavior. After a simple transaction of sending assets from …
  • single node unable to publish on a stream December 5, 2017
    Dear all, I have created a new chain with anybody can do anything params. I am running a single node (from which I have created the chains and the streams) but when I try to publish something like pub …
  • What happens behind the scene in streams and blockchain mining ? December 5, 2017
    When we use stream in blockchain is there any form of mining involved in the process which occurs behind the scene? and if i am manually command it to do round robin mining in a scenario of where all …
  • Can a coupon system be built on multichain? December 4, 2017
    Is there any way of issuing "coupons" and make them usable by specific addresses? I thought about having transactions with 0 asset with data embedded (a new coupon, the usage of a coupon…) …
  • OpenSource Exchange that could be used for trading Multichain assests? December 4, 2017
    Hi there, What opensource Exchange platform is best for trading multichain assests? Obviously the exchange will need to run the Multichain node. I am looking at txbits.org, is this a good option?? …
  • Can we define different transaction types with different set of miners for each? December 4, 2017
    I am just getting started with Multichain..I wish to define different transaction types based on data stored in the blockchain by that transaction. Also I wish to have different set of nodes to be giv …
  • A few questions about privilege December 4, 2017
    First, thanks for the Multichain. I've a few questions about privilege as follows:1. Where are the permission data of Multichain stored? In particular, where is the information about Admin privil …
  • MC Assets on regular exchanges December 3, 2017
    My general question is how if clients wish to list assets they create on our MC blockchain and wish to trade them on regular exchanges, what information will we need to make them aware of to do so is …
  • Listing MC client created assets on exchanges December 2, 2017
    Hi   What is the easiest way to be able to list obviously via API on various exchanges? As that is one feature of having a MC type blockchain which issues all types of assets become more valuable.   T …
  • core dumped – segmentation fault – multichain-cli December 2, 2017
    Hi team,I 'm running one single node of multichain on ubuntu 16.04. Everything was working fine but suddenly I 'm seeing ubuntu:Downloads ashish$ ch)`get': multichain-cli chain1 getwall …
  • how to sort listWalletTransaction by transaction time? December 1, 2017
    how get last two transactions ?   I need an answer in this sequence: 29.11.2017 30.11.2017 01.12.2017
  • Right cli string to publish from imported address w/o private key December 1, 2017
    Hi team, follow docs on page https://www.multichain.com/developers/external-key-management/I've successfully done address creating and importing it to the hot node with "false" option.O …
  • Any node can create a stream? November 30, 2017
    I have three nodes setup, and in my params.dat I've set anyone-can-create=false. However, on node-02 and node-03 i can issue "create stream MYSTREAM false" … I expected to see a permi …
  • Sending signed transaction in to several nodes at once November 30, 2017
    And what will happen, if I sign a transaction outside of Multichain, and then send it simultaneously in to several nodes. It will makes a double spending as well or not ?   I'm asking because int …
  • Multichain CLI error – error: no response from server November 30, 2017
    I start a node (master-node) that initializes a chain via docker. I also initialized other nodes (slaves), and connect to the master-node chain. "anyone-can-connect" is made true so no permi …
  • Not able to recover/start a node. November 30, 2017
    Hi Team,I 've a 2 peer multichain system and I was running few performance tests on the system by generating 20 rps and I was using the sendassetfrom api to another single address. So my node was …
  • txid's November 30, 2017
    how to view all txid's of other nodes what is the command to get txid's of other nodes…
  • Getting invalid blocks November 30, 2017
    Hi Team, I 'm trying to perform a sustained load test on multichain with 2 peers. Recently I 've started seeing a lot of invalid blocks. Can you please let me know the reason for getting suc …
  • How do I get a balance for multiple addresses? November 29, 2017
    This example returns error 500String[] s = new String[]{"15B9xqugb9A6rVvAxb998c2jPx926S3VSY37UZ", "23B9xqugb9A6rVvAxb998c2jPx926S3VSY37UZ"}; MultiBalance list2 = ((ThisApplication) …
  • Can we are able to change network-port and rpc port in multichain, after chain started once. November 29, 2017
    I want to change network-port and rpc port multiple times, after chain started once. Can i am able to change it?If yes, then how can i able to change it.
  • Watch-only address limit. November 29, 2017
    Hi team, Do you guys already have a benchmark done on how much performance can deteriorate with increasing number of watch-only address? Also how much memory one watch-only address or an UTXO would ut …
  • Multichain Web Demo – Error: HTTP 0 November 29, 2017
    I have 2 PCs in my network – laptop with IP address 192.168.0.11 and desktop with IP address 192.168.0.10My laptop is Windows 10 running Apache 2.4.29 and PHP 5.6.32.I have installed the multichain so …
  • Setup a mining pool for a blockchain created using MultiChain November 29, 2017
    Hello, I am working on my college project and multichian is perfect for my project. I need to implement a mining pool for my chain which i created using multichian . I came upon some problems which ar …
  • Is Stream concept unique in Multichain? November 29, 2017
    We found the feature of stream is quite useful from Multichain. But we have a worry about the interoperability across different blockchain technologies in the future. Other blockchain platforms such a …
  • multichain getchaintips details. November 28, 2017
    Hi team,Can you please help me understand the meaning of these status in my blockchain and if any implication for having such values. I saw the meaning of each status using the help menu which got me …
  • connect 2 nodes which are global November 28, 2017
    For e.g. One node is in NYC and other in Boston, what can I do to connectI followed https://www.multichain.com/getting-started/ which helps me connect 2 nodes on same networkBut if I try to connect no …
  • locktime in multichain November 28, 2017
    I saw locktime on btc. Is this a concept in multichain? Can I limit transactions before a certain block?
  • sending transaction fee from a fixed address, when using sendassetfrom November 27, 2017
    We have a chain with transaction fees to send assets – and we use that to manage assets on behalf of users, by linking addresses with account emails in our database. We use sendassetwithmetadatafrom, …
  • Multichain crashing frequently. November 27, 2017
    Hi team, Is there a limitation on multichain on how many transactions it can hold in total? My setup is having 2 nodes with mining permissions with all the default parameters. I was sending assets fro …
  • What would be the commands and steps to install and create block chain in Windows? November 27, 2017
    Can we consider one windows version in Oracle virtual box as one node and another node as our our local windows machine and create block chain?
  • Can I use createrawsendfrom without adding the sending address to the node's wallet? November 26, 2017
    I'm designing a system in which my users will have a pair of keys each (which I generate outside of the nodes). Now I would like to create transactions without having to add the address to a node …
  • How to optimize multichain read and write transaction/sec performance. November 25, 2017
    How to optimize multichain read and write transaction/sec performance, is there any parameter present in multichain, which will increase transaction upto 1000/sec. Actually my requirement is 1000 tran …
  • Can I think of using Multichain for Internet of things ? November 25, 2017
    The sensors can be nodes if they have the computing power or we can make a node as gateway  to collect information  and send it on the chain . Any ideas ?Private blockchain seems to be ideal for this. …
  • Build option to be able to make the same executable as the pre-built multichaind November 24, 2017
    Hi,   I'm trying to modify the MultiChain source code to apply MultiChain to my research. So, I cloned the MultiChain git repository and built it without any option. However, the size of the buil …
  • Performance tests: disk space distribution in mc folder November 24, 2017
    Hi. At the moment we are running some performance tests: – 4 Nodes – write random key-values in root stream.   Now the disk usage is at 8 GB and I am interested in an explanation of the following info …
  • First block reward not received. Is it a glitch? November 24, 2017
    I've set up a private blockchain using with native currency enabled, using Multichain v2.0 Alpha1. I have configured the first-block-reward in the parameters. The blockchain has started and reach …
  • admin-consensus-*, permissions missing November 23, 2017
    Hi. I have a question concerning the admin-consensus-* parameters. connect, send and receive are missing here. Does this mean that a single admin is always able to add new nodes to the network without …