Pinned Repositories
auction-service-by-atomic
In this project, I revisit the Auction Server. I were not to use Synchronized Collections, but I were required to use locks
BST-simulate-memory-pool
Look the memory working
coffee-shop
In this project, you will write a simulation for a coffee shop. The simulation has five parameters:
Cryptocurrency-assignment-Bitcoin-Wallet
Use the testnet faucet to send testnet coins to the testnet wallet’s receive address. Look up the transaction ID at the testnet blockchain explorer at https://www.blocktrail.com/tBTC to see if the transaction was submitted to the network. Be sure to receive at least one confirmation in case a double-spend attack prevented you from receiving the coins. The faucet may send the same coin to you in multiple different transactions, so the blockchain explorer may tell you that the coin has been double-spent. To find the actual transaction that successfully sent you coins, run the WalletInitTest and watch the WalletInitTest.monitor method’s periodic reporting of the transactions it receives from its peers. The output will tell you which transaction succeeded and which is dead.
Cryptocurrency-assignment-Byzantine
In this project, you will implement the basic, unauthenticated Byzantine fault tolerant consensus algorithm described by Lamport, Shostak, and Pease in their seminal paper titled The Byzantine General’s Problem [1]. The project code provides you with a simple consensus protocol testing framework that you will use to test the correctness of your implementation. Read and thoroughly understand all the project code before beginning. The Java class named hw4.BasicTests gives several tests that demonstrate how to use the consensus testing framework. Your submission should make all the tests pass. For example, test0 test case is reproduced below and configures a small network running the FollowLeader consensus protocol described in class that fails to solve the BFT consensus problem for any number of malicious nodes.
Cryptocurrency-assignment-ScroogeCoin
In this lab, you will implement the ScroogeCoin cryptocurrency. You will act as Scrooge and verify transactions sent to you by users and add them to your ledger. Your submission will only be the DefaultScroogeCoinServer.java class. Do not modify any of the other existing classes, as the auto-grading script will use the original implementations of all the other classes. Your grade will be based entirely on the percent of test cases passed. A few JUnit test cases have been given to you as sanity checks on your code, but the grading will be based different test cases. You should invest time in developing your own test cases.
Dengue-fever-weather
INFO7390 Final project
Ethereum-Dutch-Auction
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Ethereum-MetaCoin-contract
Propose extensions to MetaCoin, implement them, and then write extensive test cases. If you work with two additional people, your extensions must be twice as substantial as if you were working with one additional perso n. Include a write up of your extensions, explaining how your implementation works. Be sure to use advanced features of Solidity that are not used by the original MetaCoin implementation.
Object-detection-and-counting-demo
sample combine Tensorflow detection function and counting function
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