ERC20 transfer() does not return boolean.md

24 - ERC20 transfer() does not return boolean

Contracts compiled with solc >= 0.4.22 interacting with such functions will revert. Use OpenZeppelin’s SafeERC20 wrappers. (see here and here)

---

Slide Screenshot

---

Slide Text

• ERC20 transfer()
• Specification -> Boolean Return Value
• No Return Value -> Revert
  • solc >= 0.4.22
• OZ SafeERC20 Wrappers

---

References

• Youtube Reference

---

Tags