Ethereum Smart Contracts with Solidity: Ether Transfer Operations in Solidity

Blockchain    |    Intermediate
  • 13 Videos | 1h 31m 55s
  • Includes Assessment
  • Earns a Badge
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Transferring Ether between Ethereum accounts is the fundamental financial transaction performed by smart contracts for you Blockchain solutions. This detailed, 13-video course continues exploring Ethereum’s use of Solidity language by examining the more advanced functions included in smart contracts, specifically the payable functions which allow the contract to receive Ether. Participants explore the use of fallback functions, the simplest forms of payable functions, and then define their own payable functions. Learn what happens when a smart contract has lived out its life and it needs to be destroyed; the Ether it still holds must be handed to another account and the original contract destroyed, but how? Explore the special function called selfdestruct, which deletes the smart contract from the Ethereum network. By the end of this course, you should have acquired a productive understanding of how assignment operations work depending on whether the variables on either side have been created in storage or memory.

WHAT YOU WILL LEARN

  • outline the key concepts covered in this course
    use a fallback function to allow a smart contract to receive Ether
    define a smart contract to send Ether from your contract to another Ethereum account using the transfer function
    demonstrate how to invoke a function to transmit Ether to a specified Ethereum account
    create a fallback function to transfer received Ether to another account
    recognize how the gas limit restricts the operations which can be performed from a fallback function
    use the selfdestruct function to delete a smart contract from the Ethereum network
  • define arrays in Solidity and access and set specific elements within them
    verify conditions in a smart contract using the require and assert clauses
    recognize the effects of provisioning variables in memory or storage during assignment operations
    distinguish between value and reference types in the Solidity language
    identify which variable types need their storage locations to be explicitly specified
    recognize how to use fallback functions, value, and reference types to define smart contracts to transfer ether

IN THIS COURSE

  • Playable
    1. 
    Course Overview
    2m 19s
    UP NEXT
  • Playable
    2. 
    Fallback Functions
    9m 9s
  • Locked
    3. 
    Defining an Ether Transfer Function
    8m 51s
  • Locked
    4. 
    Invoking an Ether Transfer
    5m 59s
  • Locked
    5. 
    Extending Fallback Functions
    8m 3s
  • Locked
    6. 
    Limitations of Fallback Functions
    8m 32s
  • Locked
    7. 
    The selfdestruct Function
    7m 53s
  • Locked
    8. 
    Introducing Arrays
    5m 30s
  • Locked
    9. 
    The require and assert Clauses
    7m 3s
  • Locked
    10. 
    Provisioning Variables in Memory and Storage
    6m 12s
  • Locked
    11. 
    Value and Reference Types
    6m 33s
  • Locked
    12. 
    Setting Provisioning Location for Reference Types
    4m 24s
  • Locked
    13. 
    Exercise: Ether Transfer Operations in Solidity
    5m 58s

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