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    Jason Teutsch
    @teutsch
    @mzargham [10-25 14:42:13] warn: Unable to connect to /ip6/fe80::9b25:6dd5:3efd:b294/udp/4001/quic/p2p/QmfNx7TLdrk3EAnjSkL3RScERsjuVarEJjXtRiWALSd7f5. Error: connect QmfNx7TLdrk3EAnjSkL3RScERsjuVarEJjXtRiWALSd7f5 failure: failed to dial QmfNx7TLdrk3EAnjSkL3RScERsjuVarEJjXtRiWALSd7f5: no good addresses
    [10-25 14:42:13] warn: Unable to connect to /ip4/127.0.0.1/tcp/4001/p2p/QmdvsNAqmk6UQMYC7UgZCH9DZrssDKFxSdoGufQL9iWoj5. Error: connect QmdvsNAqmk6UQMYC7UgZCH9DZrssDKFxSdoGufQL9iWoj5 failure: dial to self attempted
    [10-25 14:42:13] warn: Unable to connect to /ip4/127.0.0.1/tcp/4001/ipfs/QmR54msip5tHHhU1wHkFtU1rzYuhzV3hC6LYon22coqf4C. Error: connect QmR54msip5tHHhU1wHkFtU1rzYuhzV3hC6LYon22coqf4C failure: failed to dial QmR54msip5tHHhU1wHkFtU1rzYuhzV3hC6LYon22coqf4C: no good addresses
    [10-25 14:42:13] warn: Unable to connect to /ip4/73.98.83.46/udp/24005/quic/p2p/QmdvsNAqmk6UQMYC7UgZCH9DZrssDKFxSdoGufQL9iWoj5. Error: connect QmdvsNAqmk6UQMYC7UgZCH9DZrssDKFxSdoGufQL9iWoj5 failure: dial to self attempted
    [10-25 14:42:13] warn: Unable to connect to /ip6/::1/tcp/4001/p2p/QmdvsNAqmk6UQMYC7UgZCH9DZrssDKFxSdoGufQL9iWoj5. Error: connect QmdvsNAqmk6UQMYC7UgZCH9DZrssDKFxSdoGufQL9iWoj5 failure: dial to self attempted
    [10-25 14:42:13] warn: Unable to connect to /ip6/::1/udp/4001/quic/p2p/QmdvsNAqmk6UQMYC7UgZCH9DZrssDKFxSdoGufQL9iWoj5. Error: connect QmdvsNAqmk6UQMYC7UgZCH9DZrssDKFxSdoGufQL9iWoj5 failure: dial to self attempted
    [10-25 14:42:13] warn: Unable to connect to /ip4/10.0.0.150/udp/4001/quic/p2p/QmdvsNAqmk6UQMYC7UgZCH9DZrssDKFxSdoGufQL9iWoj5. Error: connect QmdvsNAqmk6UQMYC7UgZCH9DZrssDKFxSdoGufQL9iWoj5 failure: dial to self attempted
    [10-25 14:42:13] warn: Unable to connect to /ip4/127.0.0.1/tcp/4001/ipfs/QmRbj4hMwWVou23sdBZH2pv6S5y8PpusEWmAgnD82nJcuJ. Error: connect QmRbj4hMwWVou23sdBZH2pv6S5y8PpusEWmAgnD82nJcuJ failure: failed to dial QmRbj4hMwWVou23sdBZH2pv6S5y8PpusEWmAgnD82nJcuJ: no good addresses
    [10-25 14:42:13] info: Successfully connected to /ip4/173.232.146.200/tcp/4001/p2p/QmTgM2PzYUKWBeRTqWqv7bmr2D3HUUY9qpD7cxATBw4RQV.
    [10-25 14:42:14] info: Successfully connected to /ip4/109.123.70.141/tcp/4001/ipfs/QmZNxPgjivmoT52CiyppFgfSB8tAbeBeCXqrX4aQdgXC1f.
    [10-25 14:42:14] info: Successfully connected to /ip4/23.254.227.151/tcp/4001/ipfs/QmTfrtbUYnDSc9aSzCaV9uM8dxPjB31wwcvaLUCKejXvSZ.
    [10-25 14:42:14] info: Successfully connected to /ip4/165.227.144.202/tcp/4001/ipfs/QmSRg4CQN4aSTKDahNSjwE2BnMRjZkthS5mdmcnau85FM5.
    Michael Zargham
    @mzargham
    @teutsch here is the id and addresses for the IPFS node I am running in my truebit containter: ipfs id
    {
    "ID": "QmYFs2nxBYFB3YELoZAxu5MqXqPdBxLzoWjAyw8b7horgs",
    "PublicKey": "CAASpgIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDV3+90CUhVtP20A2Hvqe3U34yOeQGo8yzMnEQRphx4tz0TglYjuCXSy/dePtoOwaJ1IwAx6s4Mm5IupWh181ABVFV9XoLezlsFUT4m2UEyHiSiVrphxfIC6ImUDmJpO1M963uwUVR8I1Tq5ZwI4dBjbJc8o1mLmG54xY6ikpJOPkmwmQNHB8XQEpv7Mk9GyYSl7K9ygy+Fpr8gTby0hJlXl66zhHEpo48lJ6lsX/YBhdewknMO63fv8lnbDHq7HSs9nTcEF2CRaoSWMS6LJAjDxa6mIB4Hql54Vb5Ifr8p0f3Y7ymgzGy8kSU29cvA2MLQHDaG75LHEx4a0uxLluL5AgMBAAE=",
    "Addresses": [
    "/ip4/127.0.0.1/tcp/4001/ipfs/QmYFs2nxBYFB3YELoZAxu5MqXqPdBxLzoWjAyw8b7horgs",
    "/ip4/192.168.65.3/tcp/4001/ipfs/QmYFs2nxBYFB3YELoZAxu5MqXqPdBxLzoWjAyw8b7horgs",
    "/ip4/172.17.0.1/tcp/4001/ipfs/QmYFs2nxBYFB3YELoZAxu5MqXqPdBxLzoWjAyw8b7horgs",
    "/ip6/::1/tcp/4001/ipfs/QmYFs2nxBYFB3YELoZAxu5MqXqPdBxLzoWjAyw8b7horgs"
    ],
    "AgentVersion": "go-ipfs/0.4.19/",
    "ProtocolVersion": "ipfs/0.1.0"
    davidfsol5
    @davidfsol5
    And here'smine
    {
    id: 'QmV2sFvqduEb2ueEv1a2MoQx6HdvGCkxEke5g8QscuR9CP',
    publicKey: 'CAASpgIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCl1vXQoW71UtzSz1C2GJp8sP670MxCpj8+Y7l3zWUCVQ131UTlMdP9oj483BaNWhMVfsf+oOg8GCu++T/BHEuKterbi5/zJg43yHR0iygnsQRTxbJNouj48+07LxFSQm8z+JMuDLawjCSTOMqzub8ym9rWjcauwRbQ54yW5Sz5o1IlKvusNdCWPlDZIxjPn+IUlQE6p6u5lGJQGxFhvXkDfLtTRjNxfhYccjkb4x1T7QIMlaZPo/qqwY05mVvBEhbnPnfIL+gzlgyQ4Q2ZThuwQZgemakpLlO9xXPs/Lbl/KiZX9eS69+Y8mnTSQOuWSK6HKcywlzGnQzcUgSEeTvhAgMBAAE=',
    addresses: [
    '/ip6/::1/tcp/4001/ipfs/QmV2sFvqduEb2ueEv1a2MoQx6HdvGCkxEke5g8QscuR9CP',
    '/ip4/127.0.0.1/tcp/4001/ipfs/QmV2sFvqduEb2ueEv1a2MoQx6HdvGCkxEke5g8QscuR9CP',
    '/ip4/192.168.65.3/tcp/4001/ipfs/QmV2sFvqduEb2ueEv1a2MoQx6HdvGCkxEke5g8QscuR9CP',
    '/ip4/172.17.0.1/tcp/4001/ipfs/QmV2sFvqduEb2ueEv1a2MoQx6HdvGCkxEke5g8QscuR9CP'
    ],
    agentVersion: 'go-ipfs/0.4.19/',
    protocolVersion: 'ipfs/0.1.0'
    }
    Jason Teutsch
    @teutsch
    [10-25 14:48:09] info: TASK GIVER: Total cost for Task Submitter is 8 TRU. Task requires 10 TRU deposit for each Solver or Verifier.
    [10-25 14:48:09] error: TASK GIVER: Cannot create task: TypeError: Cannot read property 'call' of undefined
    Jason Teutsch
    @teutsch
    @davidfsol5 @mzargham We're good to go...
    Jason Teutsch
    @teutsch
    @georgeroman https://github.com/TruebitProtocol/truebit-eth#connect-to-the-network
    George Roman
    @georgeroman
    (node:536) UnhandledPromiseRejectionWarning: Error: execution aborted (timeout = 5s)
    at Object.InvalidResponse (/snapshot/truebit/node_modules/truffle-contract/node_modules/web3/lib/web3/errors.js)
    at /snapshot/truebit/node_modules/truffle-contract/node_modules/web3/lib/web3/requestmanager.js
    at Object.onreadystatechange (/snapshot/truebit/node_modules/web3-providers-http/src/index.js)
    at Object.dispatchEvent (/snapshot/truebit/node_modules/xmlhttprequest/lib/XMLHttpRequest.js:591:25)
    at setState (/snapshot/truebit/node_modules/xmlhttprequest/lib/XMLHttpRequest.js:610:14)
    at IncomingMessage.<anonymous> (/snapshot/truebit/node_modules/xmlhttprequest/lib/XMLHttpRequest.js:447:13)
    at IncomingMessage.emit (events.js:327:22)
    at endReadableNT (_stream_readable.js:1221:12)
    at processTicksAndRejections (internal/process/task_queues.js:84:21)
    (node:536) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
    (node:536) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
    George Roman
    @georgeroman
    0xb9dAF3F9549A148F92bE31Ce55a7F789A0ec6Cc9
    Jason Teutsch
    @teutsch
    [10-27 16:48:15] info: VERIFIER [TASK 0x96a]: Setting up VM and retrieving files.
    Getting file { name: 'task.wasm', size: 358333, type: 'IPFS' }
    16:49:05.368 ERROR bitswap: Ended request for cid (QmQAMEhpmzmgVSRrXMGavNPmTQiZCPovhJZGGUianihknT) not in progress providerquerymanager.go:358
    Getting file { name: 'input.data', size: 12, type: 'bytes' }
    Getting file { name: 'output.data', size: 0, type: 'contract' }
    smfang
    @smfang
    Error for starting Geth:
    Fatal: Failed to read password file: open /root/.ethereum/supersecret.txt: no such file or directory
    root@docker-desktop:/# geth --goerli --rpc --unlock "0,1,2,3" --password /root/.ethereum/supersecret.txt --syncmode "light" --allow-insecure-unlock console
    INFO [10-27|17:17:34.004] Starting Geth on Görli testnet...
    INFO [10-27|17:17:34.004] Dropping default light client cache provided=1024 updated=128
    INFO [10-27|17:17:34.006] Maximum peer count ETH=0 LES=10 total=50
    WARN [10-27|17:17:34.006] The flag --rpc is deprecated and will be removed in the future, please use --http
    INFO [10-27|17:17:34.007] Smartcard socket not found, disabling err="stat /run/pcscd/pcscd.comm: no such file or directory"
    ERROR[10-27|17:17:34.028] Failed to enumerate USB devices hub=ledger vendor=11415 failcount=1 err="failed to initialize libusb: libusb: unknown error [code -99]"
    ERROR[10-27|17:17:34.029] Failed to enumerate USB devices hub=trezor vendor=21324 failcount=1 err="failed to initialize libusb: libusb: unknown error [code -99]"
    ERROR[10-27|17:17:34.029] Failed to enumerate USB devices hub=trezor vendor=4617 failcount=1 err="failed to initialize libusb: libusb: unknown error [code -99]"
    ERROR[10-27|17:17:34.029] Failed to enumerate USB devices hub=ledger vendor=11415 failcount=2 err="failed to initialize libusb: libusb: unknown error [code -99]"
    ERROR[10-27|17:17:34.029] Failed to enumerate USB devices hub=trezor vendor=21324 failcount=2 err="failed to initialize libusb: libusb: unknown error [code -99]"
    ERROR[10-27|17:17:34.029] Failed to enumerate USB devices hub=trezor vendor=4617 failcount=2 err="failed to initialize libusb: libusb: unknown error [code -99]"
    INFO [10-27|17:17:34.039] Starting peer-to-peer node instance=Geth/v1.9.14-stable-6d74d1e5/linux-amd64/go1.14.2
    INFO [10-27|17:17:34.039] Allocated cache and file handles database=/root/.ethereum/goerli/geth/lightchaindata cache=64.00MiB handles=524288
    INFO [10-27|17:17:34.103] Allocated cache and file handles database=/root/.ethereum/goerli/geth/lespay cache=16.00MiB handles=16
    INFO [10-27|17:17:34.176] Persisted trie from memory database nodes=361 size=51.17KiB time="628.5µs" gcnodes=0 gcsize=0.00B gctime=0s livenodes=1 livesize=0.00B
    INFO [10-27|17:17:34.182] Initialised chain configuration config="{ChainID: 5 Homestead: 0 DAO: <nil> DAOSupport: true EIP150: 0 EIP155: 0 EIP158: 0 Byzantium: 0 Constantinople: 0 Petersburg: 0 Istanbul: 1561651, Muir Glacier: <nil>, Engine: clique}"
    INFO [10-27|17:17:34.188] Added trusted checkpoint block=2654207 hash="b33267…4b0938"
    INFO [10-27|17:17:34.189] Loaded most recent local header number=0 hash="bf7e33…b88c1a" td=1 age=1y9mo6d
    INFO [10-27|17:17:34.189] Configured checkpoint registrar address=0x18CA0E045F0D772a851BC7e48357Bcaab0a0795D signers=5 threshold=2
    INFO [10-27|17:17:34.244] UDP listener up net=enode://a9ed131aae4f07e4be14ef7e6afdb0961f020d055b321c30c5d009e680a4300be47431fd01e862f89553e760c72c3892fba7f10533b7e1f99b2408f7f0beec02@[::]:30303
    Jason Teutsch
    @teutsch
    geth --goerli -syncmode "light"
    Surya Bakshi
    @sbaks0820
    hello
    :fire:
    Jason Teutsch
    @teutsch
    Welcome @sbaks0820 ! I didn't realize that Gitter supports emoticons :o
    J Cai
    @caiyuxi
    Hi, I was recently trying to follow the quick start guide. Does this line: source /emsdk/emsdk_env.sh assume a prerequisite of installing emscripten?
    If that's the case, it may be nice to have it on the guide.
    Jason Teutsch
    @teutsch

    @caiyuxi You'll need Emscripten (and the command above) when compiling new tasks, however it's not necessary if you just want to run a Solver, Verifier, or Task Giver. Note that compiling tasks also requires an LLVM installation. Both Emscripten and LLVM come pre-installed in the Docker container, which is the easiest place to compile your tasks.

    If you want to compile on your native machine, you can follow lines 9-36 of the Dockerfile: https://github.com/TruebitProtocol/truebit-eth/blob/master/Dockerfile
    If you manage to get the Truebit compiler working on a system other than Ubuntu, please make a pull request with detailed instructions on how you did it!

    J Cai
    @caiyuxi
    @teutsch Thanks, it works fine when running on docker. I was running it on an ubuntu machine.
    I was able to follow the instruction and run a solver on the network. The guide is well-written and easy to follow. One small suggestion is maybe consider putting it into a wiki as the page is getting long.
    It was a good experience and thanks for the hard work
    Jason Teutsch
    @teutsch
    Great @caiyuxi ! Happy decentralized computing :)
    Heracles
    @Heracles1337_twitter
    hey guys, i love your project and have 2 questions:
    1. are you guys a second layer solution ? state channel ? custodial sidechain ? non costudial ( Plasma chain, Rollup) ?
    2. what is your best (short) technical description of the project ? (elevator pitch, which elements differ from other projects/ which are the same? )
      I appreciate your help and time. cheers!
    Jason Teutsch
    @teutsch

    @Heracles1337_twitter

    1. You can think of Truebit as a black box which computes a desired function f. Your smart contract sends input x to Truebit, and then Truebit calls back with f(x).

    2. Truebit saves substantial Ethereum gas and enables programming in standard languages.

    Heracles
    @Heracles1337_twitter
    thx for the explainer, still not sure whether the project is a second layer solution or not. i like to use the following definition:
    (Layer-two protocols). A layer-two protocol allows transactions
    between users through the exchange of authenticated messages via a medium
    which is outside of, but tethered to, a layer-one blockchain. Authenticated assertions are submitted to the parent-chain only in cases of a dispute, with the parentchain deciding the outcome of the dispute. Security and non-custodial properties of a layer-two protocol rely on the consensus algorithm of the parent-chain
    (sok 2020- Gudgeon et al.)
    Jason Teutsch
    @teutsch
    @Heracles1337_twitter Truebit is probably not a "layer-two protocol" due to lack of "outside medium."
    duanwei
    @duanwei2028
    how to buy truebit token?
    foxhound
    @RainierMat_twitter
    Will there be any public sale or private sale soon for truebit?
    mynaijarating
    @mynaijarating_twitter
    hi
    Jason Teutsch
    @teutsch
    hello @mynaijarating_twitter !
    Chans
    @Chacaaan_twitter
    Hi
    We have telegram group?
    I want to join Community Ambassador
    Oleg Tsukerman
    @HidaNQD
    hi
    Oleg Tsukerman
    @HidaNQD
    do you have some tasks for me ? C ++ only )
    Jason Teutsch
    @teutsch
    @HidaNQD https://github.com/TruebitProtocol/truebit-eth#sample-tasks-via-smart-contracts
    Denis Erfurt
    @mhhf
    Hey guys! Is the truebit project alive or abandonware? I wanted to play with truebit-wasm but notices that the repos are marked as deprecated without any alternatives given and the github ativity in general has stalled. Did it just moved somewhere else?
    Kazimcan
    @Kazimca67300070_twitter
    Is there already a possibility to join the pre-sale?
    1 reply
    Jason Teutsch
    @teutsch
    @mhhf The latest version of Truebit is here: https://github.com/TruebitProtocol/truebit-eth/
    I just sent you an invitation! What are you building?
    Denis Erfurt
    @mhhf
    Thank you for the invitation, Looking froward to play with the code.
    At the moment I'm not building anything but learning and toying around with some ideas:
    I was hanging out with the radicle.xyz people who are building a p2p code collaboration infrastructure/github alternative
    and noticed their need for a trustless CI/CD solution and was wondering if something can be hacked together on top of truebit.
    E.g. running an wasm x86 emulator (such as https://github.com/copy/v86) with an minimal linux distro which executes those actions (builds/compiles projects).
    Jason Teutsch
    @teutsch
    @mhhf radicle.xyz looks amazing! Is there a reason that you prefer to simulate the entire x86 rather than creating separate Truebit tasks for each CI/CD operation?
    Denis Erfurt
    @mhhf
    Simulating x86 was just a quick idea for a POC since it should be overall possible and hopefully allows to use a lot of diverse and existing infrastructure without producing a lot of overhead to maintain. But it it's might totally be the wrong direction, its honestly been a while since i had a look on Truebit and totally unfamiliar with the newer iterations (Truebit tasks/ Truebit OS) and need to spend some time getting familiar with them. Hopefully things will be more clearer once i've read the new documentation :)
    Jason Teutsch
    @teutsch
    I must say, the https://copy.sh/v86/ emulator is kind of fun. Let me know if you have any questions!
    CP
    @limitless776_twitter
    Hi, is there any presale available for accredited investors?
    2 replies
    Ying Chan
    @yc5915

    hello, I've asked a question on the TrueBitFoundation gitter before i discovered this channel... hope its ok to ask here as well since this seems to the active channel?

    In the main loop of the Truebit protocol which iteratively tries to determine the first computation step where the Solver and Challenger differs, the Solver has to present c configurations equally spaced apart in time. Each of these configurations are a merkle root of a merkle tree which contains the entire machine state at that time point... I've got a few questions:

    1. Does the entire machine state mean a snapshot of the entire stack needs to be merklised?
    2. How practical is revealing the entire machine state of even a single configuration on-chain?
    3. Is there any example code showing what gets captured in the machine state?
    Jason Teutsch
    @teutsch
    @yc5915 This is the live Gitter channel! Welcome :)
    1. Yes, the stack is Merklized.
    2. The entire machine state never gets revealed on-chain. The Judge only needs to see the parts of the state that change within the disputed substep.
    3. You can try running some sample tasks here:
      https://github.com/TruebitProtocol/truebit-eth/
    Ying Chan
    @yc5915
    Amazing! That makes perfect sense!
    Arville
    @arville123_twitter
    hi i want to ask how much is minimum for presale??
    Camil Saliba
    @CamSaliba_twitter
    I am interested in Truebit and want to know more about the ICO and when will it be launched ?
    Jason Teutsch
    @teutsch
    @arville123_twitter @CamSaliba_twitter You can buy Truebit tokens in quantities commensurate with use through Truebit OS. Let me know your Gitter handle if you'd like to try the client.
    Denis Erfurt
    @mhhf
    @teutsch I've noticed that the ocaml-offchain/interpreter is written for an older version of emscripten (~1.37.28, while 2.0.16 is the current version). Are there any plans to update it at some point? What is the general future of this project?
    Jason Teutsch
    @teutsch
    @mhhf Emsrcipten 1.37.36 is the version on Ethereum mainnet. Would you have time for a call sometime this week? I'd like to learn more about radicle.xyz and your technical requirements.
    Arthur1994930
    @Arthur1994930
    Hi Admin please dm me about the presale or private sale. Thank you