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Test of a SMAT contract on Ropsten: a first attempt
As a fan of blockchain, I am excited to explore the world of intelligent contracts and decentralized applications. However, I encountered some problems that have given up on my progress. In this article, I will share my experience with the test of a simple small contract on Ropsten, which turned out to be one of those strange problems.
Contract distribution
I started distributing a small basic contract that inherits from @Matsui/Smart Contract '(the library used in the Metamask portfolio). The contract was designed to simply return the "success". I distributed it on Ropsten, which is a testnet version of the Ethereum network.
Contract test
To test the contract, I used the Metamask test functionality. I created a new Metamask portfolio and transferred some ether (ETH) to my account. So, I distributed the contract using the Metamask Test Deployment command. The transaction was successful and the contract was distributed on Ropsten.
execution of the contract
To perform the contract, I used theMetamask Test Run. This command performs the bytecode of the contracts, which is archived in a file calledcontract.bin. After carrying out the contract, I received a message indicating that the “success” was returned.
The problem
However, when I checked my wallet, I noticed that I did not receive the expected reward of 1 ETH (the token used by Metamask). Instead, I received an empty transaction. Further investigations revealed that the problem was not with the contract itself, but with the way Metamask manages transactions.
The solution
To terminate this problem, I republished the contract using a different approach. This time, I used Metamask Test disploy -from = 0x ... (replace 0x with the address of the actual wallet) for the specifics that I want to distribute from an empty wallet. I also added some lines of code to create and update the contract accounts.
Conclusion
Testing a Smat contract on Ropsten was an exciting experience, but it proved to be one of those strange issues that I mentioned previously. By restoring the contract using a different approach, I was able to solve the problem and recharge my expected reward. This experience highlights the importance of the debugity and the intelligent contracts in depth before distributing them into production.
Additional tips
- Make sure you have Metamask installed and running on the machine.
- Familarian yourself with the @@ matsui/smart contracts used by small contracts.
- Use the Metamask Test command Distribute to distribute contracts from an empty wallet.
- Check your portfolio frequently balances the joke test.
I hope this article helps others who could find similar problems when intelligent contracts occur on Ropsten or other networks.