eip55
A EIP55 compatible address encoding library
Last updated a month ago by junderw .
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eip55

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An EIP55 compatible address encoding library.

Example

let eip55 = require('eip55')

eip55.encode('0xfb6916095ca1df60bb79ce92ce3ea74c37c5d359')
// => 0xfB6916095ca1df60bB79Ce92cE3Ea74c37c5d359

eip55.verify('0xAcA128edBD274F2aBa534d67dD55Ebf67767B9A5')
// => true

eip55.verify('0xaca128edbd274f2aba534d67dd55ebf67767b9a5')
// => false

// The second argument of verify allows for single case addresses
// In this case it will only verify the leading 0x and length
// therefore the above example returns true instead of false

// lower case
eip55.verify('0xaca128edbd274f2aba534d67dd55ebf67767b9a5', true)
// => true

// upper case
eip55.verify('0xACA128EDBD274F2ABA534D67DD55EBF67767B9A5', true)
// => true

// EIP-1191 chainId support has been added
// pass the optional chainId to get the casing for that network

// Encode for RSK Mainnet (chainId 30) (notice the difference from above)
eip55.encode('0xfb6916095ca1df60bb79ce92ce3ea74c37c5d359', 30)
// => 0xFb6916095cA1Df60bb79ce92cE3EA74c37c5d359

eip55.verify('0xFb6916095cA1Df60bb79ce92cE3EA74c37c5d359')
// => false (we need to pass the chainId)

// Note: the second argument is allowOneCase (default: false)
eip55.verify('0xFb6916095cA1Df60bb79ce92cE3EA74c37c5d359', false, 30)
// => true

License MIT

Current Tags

  • 2.1.0                                ...           latest (a month ago)

6 Versions

  • 2.1.0                                ...           a month ago
  • 2.0.0                                ...           a month ago
  • 1.0.3                                ...           3 years ago
  • 1.0.2                                ...           3 years ago
  • 1.0.1                                ...           3 years ago
  • 1.0.0                                ...           3 years ago

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