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mythril
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Security analysis tool for EVM bytecode. Supports smart contracts built for Ethereum, Hedera, Quorum, Vechain, Roostock, Tron and other EVM-compatible blockchains.
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mythril/tests/testdata/outputs_expected/origin.sol.o.markdown

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Analysis results for test-filename.sol

Use of tx.origin

  • SWC ID: 111
  • Type: Warning
  • Contract: Unknown
  • Function name: transferOwnership(address)
  • PC address: 317
  • Estimated Gas Usage: 626 - 1051

Description

The function transferOwnership(address) retrieves the transaction origin (tx.origin) using the ORIGIN opcode. Use msg.sender instead. See also: https://solidity.readthedocs.io/en/develop/security-considerations.html#tx-origin