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xDai Stable Chain Reddit Scalability

Proof of Concept

Results

UX Video Walkthroughs

Technical Details

Requirements

Challenges & Future Directions

Cost Estimates

Collaborative Team

Results

xDai Initial Run with Load Script
The Splunk team created a dashboard to analyze the load demo. See the video below for basics on navigating the dashboard metrics. 
Splunk Dashboard
​Load Test Dashboard​
Navigating the Dashboard
Video Demo
Status
Completed: Load completed in 4.3 hours, 25X efficiency relative to the 5 day requirement.
Details
Txs
Time
Block Ranges
300000
~4.3 hours
10,981,269 - 10,983,855
Claim: Distributions.claim  (100 000 txs, 1295 blocks): 10981269-10982563
Subscribe: Subscriptions.subscribe (25 000 txs, 298 blocks): 10982569-10982866
Burn: SubredditPoints.burn (75 000 txs, 410 blocks): 10982876-10983285
Transfers: SubredditPoints.transfer (100 000 txs, 555 blocks): 10983301-10983855
Contract Addresses
All transactions can be viewed using BlockScout Block Explorer. Click the contract address to view.
SubredditPoints (tMOONS): 0x106c8eBaD6D9A71c962Da4088721221de9BD4fB7​
Distributions: 0x261edb4a78513048C28653B76eBcc31C8E25dEdD​
Subscriptions: 0xC5733C28832Fcaa91aCc0ad1A6d26fB4aD6B385b​
xDai Continuous Run with Live Monitoring
To demonstrate a live setting and dashboard, we deployed BRICK tokens on xDai and run a continuous load of claims, subscriptions, transfers and burns. This ran over the course of 1 month. A Splunk dashboard was available to see transactions in real time, a screenshot from the end of the load is below. 
Status
Complete: Continuous load started July 29 will run for 1 month.  The load successfully finished Friday, August 28 at approximately 1pm CET.
Start: July-29-2020 11:19:55 AM UTC (block #11205762)
End: August-28-2020 11:33:50 AM UTC (block #11707962)
Contract Addresses
​BlockScout token transfers (new transactions created every ~10 seconds)
SubredditPoints: 0xa11EB409088692B53b4b71412Df344173b27c1DC​
Distributions: 0x516D204A46e9D614a35ee7494E1d67f5D0537253​
Subscriptions: 0x40DA8D878D5BbD568398163f28956030773F0957​
Splunk Dashboard
​Link to Live Dashboard 
Screeenshot of results from end of the continuous load test
qDai Experimental Sidechain 
The qDai chain features 1 second blocks, 74M gas per block and 150+ tps. We also deployed an instance of BlockScout to allow for qDai transaction exploration.
Splunk Dashboard
​qDai Load Test Dashboard​
Status
Completed: Load completed in 29 minutes, 220X efficiency relative to the 5 day requirement.
Details
Txs
Time
Block Ranges
300000
~29 min
2,810,663 - 2,812,218
Claim: Distributions.claim  (100 000 txs, 595 blocks): 2810663-2811257
Subscribe: Subscriptions.subscribe (25 000 txs, 148 blocks): 2811270-2811417
Burn: SubredditPoints.burn (75 000 txs, 333 blocks): 2811430-2811762
Transfers: SubredditPoints.transfer (100 000 txs, 443 blocks): 2811776-2812218
Contract addresses
SubredditPoints: 0xE06Db2BF2A5A29B3B91e026D06b2cA1E306d7bf5​
Distributions: 0xBd5a444fADDC823c0f17B1f3cF9a2F231e85eD1C​
Subscriptions: 0x31D652237926A74c30a5f8CD138Ecd2Bd4B58e0e​
Interoperability
TokenBridge AMB
Completed: We transfer MOON tokens to xDai and bridge them back to Rinkeby in minutes.
An Arbitrary Message Bridge (AMB) was deployed between Rinkeby and xDai, along with mediator contracts to support MOON and BRICK transfers and a UI application using Burner Wallet 2. We demonstrate moving tokens between chains and encourage users to try the process for themselves.
MOONs on Rinkeby have already been transferred by Reddit users to the xDai chain and traded on the xMoon.exchange and Uniswap fork for xDai tokens. See the Technical Details page for more information on the deployment.
Connext State Channels
As fellow challenge participants, Connext introduced Spacefold, a UI on top of a Connext node that shows the power of using State Channels for instant cross-chain communication. At spacefold you can transfer tokens between xDai and several other chains, then send to an address on the Ethereum Mainnet. Their entry video demonstrates this process. 
The Connext integration highlights several important ideas:
xDai ecoystem compatibility for novel projects and solutions
Mult-chain interoperability
Cross-chain transactions without the need to trust intermediaries
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