Linked Questions
10 questions linked to/from Solidity convert hex string to bytes
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How convert hex number to decimal in solidity? [duplicate]
I would like to convert a hex number to decimal.
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54
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Solidity hex literal on variable [duplicate]
In solidity, I can take advantage of the hex literal in order to get back the corresponding hex value of a string, in the following way:
hex"001122FF"
I am wondering how to apply such ...
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Solidity: Convert hex-string variable into bytes [duplicate]
I am looking for an option to efficiently convert a string passed to a function as a parameter, interpreted as hex, into bytes. In Solidity.
I.e. doing the same that this piece of code would do
bytes ...
- 214
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Converting from bytes in 0.5.x?
I'd like to convert bytes into any other type. I.e. "0x57D80C61128d608857d5310BB514223Bb6011CAB" into the address 0x57D80C61128d608857d5310BB514223Bb6011CAB, "5" into the uint256 5 and so on. I have ...
- 57
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Compute address of public key string in Solidity
TL;DR: I need to compute the address from a given public key string in Solidity.
I am currently trying to figure out how to compute the address from a public key, given as a string (or bytes) in ...
- 214
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Convert Hex String to Bytes32
Currently, I am working on a project, I'll get Oracalize response bytes32 string as a hex string. How can I construct hex string back to bytes32 in solidity?
For eg:
string value= "...
- 2,144
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Read String as bytes (Oraclize callback)
I have an Oraclize call that returns the following (a string):
"00000000000000000000000000000000000000000000000000000000000003e8"
Now this is 1000 (bytes32 hex)
You can check here: https://www....
- 3,813
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convert a hex string to bytes32[] using web3js
I have a string thats 64 characters long and I need to convert it into a bytes32[] to be passed into a contract method call. How can I do it using web3js? I tried using hexToBytes in the utils package ...
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Can string be changed to equivalent bytes and bytes32 in solidity?
I was wondering if it is possible to convert a string to a bytes32 or bytes in solidity like this, I want an input in string and require an equivalent bytes32 and bytes both.
input string = "...
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Not sure why keccak hashing of encodePacked address and bytes not equal
address addr1 = 0x70997970C51812dc3A010C7d01b50e0d17dc79C8;
bytes memory addr2 = "0x70997970C51812dc3A010C7d01b50e0d17dc79C8";
require(keccak256(abi.encodePacked(addr1)) == ...
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