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This article mainly introduces "how to use the currency at the bottom of the solidity contract". In the daily operation, I believe many people have doubts about how to use the currency at the bottom of the solidity contract. The editor consulted all kinds of materials and sorted out a simple and easy-to-use method of operation. I hope it will be helpful to answer the doubts about how to use the currency in the solidity contract. Next, please follow the editor to study!

The smallest unit of an Ether is the Wei. Wei is a very small unit, 1 etheric currency = Wei, which is not much different from infinitely divisible.

Kwei (Babbage) = Wei

Mwei (Lovelace) = Wei

Gwei (Shannon) = Wei

Microether (Szabo) = Wei

Milliether (Finney) = Wei

Ether = Wei

It is customary to use different units in different scenarios. Trading lines usually use Ether as units. Small transactions such as buying a cup of coffee use Finney, GWei is generally used to calculate the Gas price, and the most basic unit Wei is used in the development of Etaifang code.

Pragma solidity ^ 0.4.19 uint256 / 1eth = 10 xy 18 weicontract A {uint8 public constant decimals = 18; / / supports several decimal places, that is, 18 places in token units uint256 private constant TOKEN_UNIT = 10 * * uint256 (decimals); uint256 public testA; function test () {uint256 a = 20 tokens UNITN; uint256 b = 200; testA = alphabet / / 100000000000000000} at this point, the study on "how to exchange the underlying currency for solidity contracts" is over. I hope I can solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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