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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
  • Severity: Medium
  • Contract: Unknown
  • Function name: transferOwnership(address)
  • PC address: 317
  • Estimated Gas Usage: 626 - 1051

Description

Use of tx.origin is deprecated. The smart contract retrieves the transaction origin (tx.origin) using msg.origin. Use of msg.origin is deprecated and the instruction may be removed in the future. Use msg.sender instead. See also: https://solidity.readthedocs.io/en/develop/security-considerations.html#tx-origin