Skip to content

Latest commit

 

History

History

convert-hedera-native-address-to-evm-address

Folders and files

NameName
Last commit message
Last commit date

parent directory

..
README.md
README.md
 
 
convert.js
convert.js
 
 
package.json
package.json
 
 

README.md

Convert address from Hedera-native (S.R.N) format to EVM (0x...) format

When the shard (S) and realm (R) are both 0, only need to convert the number (N) from decimal to hexadecimal, and pad the left with leading zeroes. This is also known as the long-zero address, due to a large number of leading zeroes.

  • Example Hedera-native address (S.R.N) format: 0.0.12345
  • Example EVM address (0x...) format: 0x0000000000000000000000000000000000003039

However, if shard (S) and realm (R) are non-zero, the conversion process is sliughtly more complex, and each component needs to be converted and padded separately, then concatenated together.

  • Example Hedera-native address (S.R.N) format: 17.2049.12345
  • Example EVM address (0x...) format: 0x0000001100000000000008010000000000003039

Code

The convert.js file in this directory demonstrates how to do the above.

  • It makes use of EntityIdHelper from hedera-sdk-js to perform the above conversions
  • EntityIdHelper.fromString splits S.R.N the string into 3 numbers
  • EntityIdHelper.toSolidityAddress converts, pads, and concatenates the 3 numbers, resulting in the final output.

Try it out:

node ./convert.js

This should produce the following output:

    '0.0.12345' --> '0000000000000000000000000000000000003039'
'17.2049.12345' --> '0000001100000000000008010000000000003039'

References