August 2019
Intermediate to advanced
486 pages
13h 52m
English
Content preview from Mastering Blockchain Programming with Solidity
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Chapter 13
- Yes, you can write a withdrawal function to withdraw ERC20 tokens from the contract; otherwise, you would have to send ERC20 tokens from the contract to multiple addresses.
- Based on your system architecture and role-based access, you can apply access restrictions to some or all of the functions present in a contract. If there is no access restriction required by your contracts, you can avoid using this pattern.
- The emergency stop pattern is used in contracts to stop or pause the contract's main behavior when an unfavorable event occurs. The contract should be paused when any bug is found in the contract to stop and migrate to a new contract; however, this pattern is a problem for a truly decentralized system.
- It is recommended that ...
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