Check division is integer or float solidity
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2
down vote
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Suppose i have a contract with decimals and total Supply as follow.
How can i check if tokenAmountInWei pass in is integer value in form of ether.
decimals = 18
totalSupply = 1000000
function someFunction(uint tokenAmountInWei) {
// check if tokenAmountInWei convert to ether is integer value
}
solidity erc-20
asked Nov 16 at 5:41
vincentsty
1414
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vincentsty is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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add a comment |
up vote
2
down vote
favorite
Suppose i have a contract with decimals and total Supply as follow.
How can i check if tokenAmountInWei pass in is integer value in form of ether.
decimals = 18
totalSupply = 1000000
function someFunction(uint tokenAmountInWei) {
// check if tokenAmountInWei convert to ether is integer value
}
solidity erc-20
asked Nov 16 at 5:41
vincentsty
1414
New contributor
vincentsty is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
up vote
2
down vote
favorite
up vote
2
down vote
favorite
Suppose i have a contract with decimals and total Supply as follow.
How can i check if tokenAmountInWei pass in is integer value in form of ether.
decimals = 18
totalSupply = 1000000
function someFunction(uint tokenAmountInWei) {
// check if tokenAmountInWei convert to ether is integer value
}
solidity erc-20
asked Nov 16 at 5:41
vincentsty
1414
New contributor
vincentsty is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Suppose i have a contract with decimals and total Supply as follow.
How can i check if tokenAmountInWei pass in is integer value in form of ether.
decimals = 18
totalSupply = 1000000
function someFunction(uint tokenAmountInWei) {
// check if tokenAmountInWei convert to ether is integer value
}
solidity erc-20
solidity erc-20
asked Nov 16 at 5:41
vincentsty
1414
New contributor
vincentsty is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Nov 16 at 5:41
vincentsty
1414
New contributor
vincentsty is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Nov 16 at 5:41
vincentsty
1414
New contributor
vincentsty is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Nov 16 at 5:41
vincentsty
1414
asked Nov 16 at 5:41
vincentsty
1414
1414
New contributor
vincentsty is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
vincentsty is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
vincentsty is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
up vote
5
down vote
accepted
This should work:
pragma solidity ^0.4.24;
contract Test {
function checkIntegerETH(uint a) public pure returns (bool) {
return (a % 1 ether == 0);
}
}
Here we are basically confirming that a has no remainder when being divided by 1018 (1 ether).
answered Nov 16 at 6:07
Shawn Tabrizi
3,9392521
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
5
down vote
accepted
This should work:
pragma solidity ^0.4.24;
contract Test {
function checkIntegerETH(uint a) public pure returns (bool) {
return (a % 1 ether == 0);
}
}
Here we are basically confirming that a has no remainder when being divided by 1018 (1 ether).
answered Nov 16 at 6:07
Shawn Tabrizi
3,9392521
add a comment |
up vote
5
down vote
accepted
This should work:
pragma solidity ^0.4.24;
contract Test {
function checkIntegerETH(uint a) public pure returns (bool) {
return (a % 1 ether == 0);
}
}
Here we are basically confirming that a has no remainder when being divided by 1018 (1 ether).
answered Nov 16 at 6:07
Shawn Tabrizi
3,9392521
add a comment |
up vote
5
down vote
accepted
up vote
5
down vote
accepted
This should work:
pragma solidity ^0.4.24;
contract Test {
function checkIntegerETH(uint a) public pure returns (bool) {
return (a % 1 ether == 0);
}
}
Here we are basically confirming that a has no remainder when being divided by 1018 (1 ether).
answered Nov 16 at 6:07
Shawn Tabrizi
3,9392521
This should work:
pragma solidity ^0.4.24;
contract Test {
function checkIntegerETH(uint a) public pure returns (bool) {
return (a % 1 ether == 0);
}
}
Here we are basically confirming that a has no remainder when being divided by 1018 (1 ether).
answered Nov 16 at 6:07
Shawn Tabrizi
3,9392521
answered Nov 16 at 6:07
Shawn Tabrizi
3,9392521
answered Nov 16 at 6:07
Shawn Tabrizi
3,9392521
answered Nov 16 at 6:07
Shawn Tabrizi
3,9392521
3,9392521
add a comment |
add a comment |
vincentsty is a new contributor. Be nice, and check out our Code of Conduct.
vincentsty is a new contributor. Be nice, and check out our Code of Conduct.
vincentsty is a new contributor. Be nice, and check out our Code of Conduct.
vincentsty is a new contributor. Be nice, and check out our Code of Conduct.
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