Write Contract

approve

parameters

• spender(address)

• amount(uint256)

decreaseAllowance

parameters

• spender(address)

• subtractedValue(uint256)

increaseAllowance

parameters

• spender(address)

• addedValue(uint256)

transfer

parameters

• to(address)

• amount(uint256)

transferFrom

parameters

• from(address)

• to(address)

• amount(uint256)