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Develop Blockchain using Haskell

$1500-3000 USD

Annulleret
Slået op cirka 5 år siden

$1500-3000 USD

Betales ved levering
Looking for a number of experienced Haskell developers interested in continuing the building of a Blockchain. We have built and tested a custom blockchain, and performed basic simulations using 200 millisecond delays were we had transactions confirm within and excellent time period, we need to expand on the real life simulations and continue the development of the blockchain for the ico. The blockchain is built on the ( Leader )-free Byzantine Consensus We Need: Refactoring of the existing code to make the below points easy to implement More sophisticated network delays, modelling realistic real-world scenarios with a geographical latency graph Simulation of some Byzantine behaviour, controllable by a command-line flag; larger parts of this are likely to be done post-ICO, as there are no bounds to how much testing can be done with this approach, but included are at least One multiple-votes attempt One attempt to stall progress by not voting One double-spend attempt at the ledger level Full source code documentation Unit and property testing Blockchain and ledger Haskell data types to represent the block chain Chain validity check implementation (chain hashing) Data types for transactions (as block contents) Ledger validity check implementation (signatures and balances) Simulation performance improvements that allow to simulate shorter network delays with less over-approximation than the current simulator A Continuous Integration setup, that runs tests and produces benchmark outputs Instructions to build and run the software reproduce the graphs for users unfamiliar with Haskell A simulated wallet with command line interface (CLI) Within the single-machine simulator, a user interface allowing the user to enter transactions such as “Account A: send 3 coins to account B” so that the user can explore how coins can be sent around between addresses and how long it takes for these transactions to settle. Graph deliverables, to be included in the whitepaper. We want to generate at least the following graphs: CPS when varying latency (single number) CPS with world map and reasonable geographical graph latency CPS with varying latency jitter TPS with varying block size Transaction latency when varying latency (single number) Transaction latency with world map and reasonable geographical graph latency Transaction latency with varying latency jitter Transaction latency with varying block size Code for measuring CPS already exists in our current simulator, but code for measuring TPS and latency needs to be written and is accounted in this task. Also for launch we need a lite wallet and functioning blockchain for the ICO. You will need to work remotely as part of a small team and can contribute at least 20 hours per week. You must have at least 2 years experience in Haskell and have contributed to github or similar. This must be in Haskell so we can review your Haskell contributions. Also you must be ok with using Time doctor tracking software - it takes screen shots of your work as you work. Also DevOps experience is a bonus.
Projekt-ID: 19064016

Om projektet

2 forslag
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Aktiv 5 år siden

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Atlanta, United States
5,0
1
Betalingsmetode verificeret
Medlem siden mar. 9, 2019

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