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Topic: [coinb.in] Open Source, Multi Signature, HD Wallet, SegWit/Bech32 and more! - page 13. (Read 74837 times)

hero member
Activity: 504
Merit: 500
sucker got hacked and screwed --Toad
legendary
Activity: 1064
Merit: 1000
Is the coinb.in/multisig site working properly? It seems to be able to create redeem scripts properly, but the transactions page never seems to find spendable outputs. I wonder if it's API connection is broken?
hero member
Activity: 510
Merit: 500
Not sure if this is what you are looking for but see https://www.casascius.com/2factor/ for the utility download.
newbie
Activity: 6
Merit: 0
Does any one can recommend an alternative multisig utility? 
legendary
Activity: 1022
Merit: 1004
When using https://rawgit.com/OutCast3k/bitcoin-multisig/master/index.html ..I get " Failed to retrive unspent inputs"
Does the server is down?

Am guessing you took the best path of opening this on Github as a recent open issue.  See #16 at https://github.com/OutCast3k/bitcoin-multisig/issues

I have the same problem. After accepting the error message, I can click on the Multisig address and blockchain.info pops up, showing the right
balance. Still there's no way of creating a transaction..

It's a real escrow with some real money. Not a fortune, but still.. Would be cool if OutCast3k could comment on that.

edit: Alright, I could figure out that the problem is not so much the multisig script, but the fact that the coinb.in API seems not to work properly.
The problem  with the rawgit-Version is that it refers to the https-version of the coinb.in API, which is completely down it seems. One can replace https
by http in the appropriate line, then one gets the  "This address has no available balance to spend" problem. The easiest solution seems to be to
wait until coinb.in is back (if ever) or to use another API (but I don't know if there's something available.. I have no idea about this stuff.)
sr. member
Activity: 278
Merit: 252
ABISprotocol on Gist
When using https://rawgit.com/OutCast3k/bitcoin-multisig/master/index.html ..I get " Failed to retrive unspent inputs"
Does the server is down?

Am guessing you took the best path of opening this on Github as a recent open issue.  See #16 at https://github.com/OutCast3k/bitcoin-multisig/issues
newbie
Activity: 6
Merit: 0
When using https://rawgit.com/OutCast3k/bitcoin-multisig/master/index.html ..I get " Failed to retrive unspent inputs"
Does the server is down?
newbie
Activity: 6
Merit: 0
I am trying to use http://coinb.in/multisig/ to create a transaction.
I keep getting "This address has no available balance to spend" though it has balance .
The address is :369cUZdwYuCf1L987xmMz8ZJZUT1UCWVQf
What I am missing here?
sr. member
Activity: 278
Merit: 252
ABISprotocol on Gist
Hope people are still monitoring this topic.

I'm attempting to test this out and not having much success. I used two of my own existing addressed to do the test so I can't/won't provide my private keys. Here are the steps I took:

1. New MultiSig Address. Testing a 2-2.
2. Got this multisig address: 3BubMVeGDzvhZyJ1iCS8vpjKgDSfT18Dh1
3. Sent some btc from addr1 to the multisig. This worked.
4. Verified the redeem script. Says 2 signatures from both public keys are required.
5. Signed redeem script with private key of addr1
6. Copied the result of #5 back in to the upper field and pasted in private key of addr2
7. Copied the result of #6 in to Verify page. Shows the original transaction id, checkmark for redeem script, minimum number of signers 2 and number of times signed 2. Shows me the correct output address and the amount.
8. Copied the result of #6 in to Broadcast. TX Rejected.
9. Reattempted steps 5-8 using keys in reverse order. Same result.

So now I'm stuck. Not sure what to do.

Thanks!

1) I suggest you test this with another human rather than with yourself

2) Use this (ensure javascript is not on) https://rawgit.com/OutCast3k/bitcoin-multisig/master/index.html

3) Comments / testing / past reviews of it: Start from here and look at some original tests we did of it - read all comments (note that after some fixes order of signatures no longer will matter as you proceed through)
https://bitcointalksearch.org/topic/m.4670505

4) If all else fails, send private message to OutCast3k

legendary
Activity: 1762
Merit: 1011
this is great! keep up the good work.

* I think it would great to explain the process and concepts in more detail on the site. What is a redeem script?

* say I want to implement the following: pay 0.01 BTC to address #A12 if the year in the timestamp of the last block is equal to 2014. what would it take to make this work?

* btw, the link on the site to your profile is broken. I think you want this: https://bitcointalksearch.org/user/outcast3k-34834  

Thanks for the feedback Smiley

You're right, I will defiantly add more information to the site about the process shortly.

A "redeem script" contains 2 pieces of information, the public keys and the minimum number of signatures required to use it as a spendable input. It is also used to generate the multi signature address itself. There should be some information on the bitcoin wiki about this, but I will also add it to the site shortly.

I believe its possible to manipulate the timestamp of the transaction in the way you've requested, although I will need to do a little bit of testing first.

Thanks for pointing out the broken link, I've since fixed it.

What if I lose the redeemScript? is there a way to retrieve it or regenerate it?  If I don't have the RedeemScript, is it still possible to spend the coins given you have the required keys to "unlock" the transaction?

Yes you can regenerate the redeem script.  You cannot lose your multisig address; you can lose some privkeys - as long as you [or your Agents] saved the total number required to sign.  Best to move & back them up securely [pref using thumbdrive & a browser on a computer that has never connected to the internet ever]

How would one regenerate the redeem script when having only 2 of the 3 keys?
legendary
Activity: 1762
Merit: 1011
Two things:

1.) I found a typo in the error function on line 955 of index.html: "unspent" is spelled "unpsent". Also, I noticed that the error prompt for there being no funds contained there pops up multiple times -- once per required signature. Shouldn't it just pop up once?

2.) How does this script compare to what Mycelium is doing with their Entropy device? My understanding is that on their multisig paper wallet, on what is printed out, you don't get a redeem script, you just get a multisig public address and however many compressed private keys. Is their method still fully compatible with this script?
Edit: It seems that Mycelium is, instead, using some form of Shamir's Secret Sharing Scheme.
jr. member
Activity: 34
Merit: 1
Hope people are still monitoring this topic.

I'm attempting to test this out and not having much success. I used two of my own existing addressed to do the test so I can't/won't provide my private keys. Here are the steps I took:

1. New MultiSig Address. Testing a 2-2.
2. Got this multisig address: 3BubMVeGDzvhZyJ1iCS8vpjKgDSfT18Dh1
3. Sent some btc from addr1 to the multisig. This worked.
4. Verified the redeem script. Says 2 signatures from both public keys are required.
5. Signed redeem script with private key of addr1
6. Copied the result of #5 back in to the upper field and pasted in private key of addr2
7. Copied the result of #6 in to Verify page. Shows the original transaction id, checkmark for redeem script, minimum number of signers 2 and number of times signed 2. Shows me the correct output address and the amount.
8. Copied the result of #6 in to Broadcast. TX Rejected.
9. Reattempted steps 5-8 using keys in reverse order. Same result.

So now I'm stuck. Not sure what to do.

Thanks!
newbie
Activity: 27
Merit: 0
Thank you for the link bro!
sr. member
Activity: 278
Merit: 252
ABISprotocol on Gist
Will this be coming back?
Looks like an SSL error, I remember getting onto the site fine before, and then there was the ddos attack, it looks like something else is wrong now.
I would like to try it on testnet.
Hope to see this project continue on.


Just go here:

https://rawgit.com/OutCast3k/bitcoin-multisig/master/index.html

(The other page has some problem atm)
newbie
Activity: 27
Merit: 0
Will this be coming back?
Looks like an SSL error, I remember getting onto the site fine before, and then there was the ddos attack, it looks like something else is wrong now.
I would like to try it on testnet.
Hope to see this project continue on.
hero member
Activity: 714
Merit: 601
It's down Sad

Will be back up soon, sorry about this. Some jerk is ddosing the server, and demanding he's paid X amount of bitcoins before he stops. As if!
hero member
Activity: 952
Merit: 1005
frantorres_995 at socialmedia
sr. member
Activity: 412
Merit: 287
Could it be possible that only non compressed public keys are allowed to be added during the multisig creation?

Yes. It will also 'forget' signatures added by compressed public keys. Makes it useless when everyone uses compressed already..
legendary
Activity: 1050
Merit: 1004
summary of how this works?

The page uses javascript to generate a multi signature address, the buyer sends the funds to the address. Once the agreement between all parties has completed a transaction can be created using the redeem script which is then signed by the participants. You can then broadcast the signed transaction into the network, releasing the funds to the chosen address.
Posted from Bitcointa.lk - #puVNlkBcvhsA7bDq
newbie
Activity: 28
Merit: 0
summary of how this works?
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