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eth-sig-util

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    eth-sig-util

A few useful functions for signing ethereum data


Version published
Weekly downloads
122K
decreased by-18.83%
Maintainers
2
Install size
6.13 MB
Created
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Eth-Sig-Util CircleCI

A small collection of ethereum signing functions.

Available on NPM

Installation

npm install eth-sig-util --save

Methods

concatSig(v, r, s)

All three arguments should be provided as buffers.

Returns a continuous, hex-prefixed hex value for the signature, suitable for inclusion in a JSON transaction's data field.

normalize(address)

Takes an address of either upper or lower case, with or without a hex prefix, and returns an all-lowercase, hex-prefixed address, suitable for submitting to an ethereum provider.

personalSign (privateKeyBuffer, msgParams)

msgParams should have a data key that is hex-encoded data to sign.

Returns the prefixed signature expected for calls to eth.personalSign.

recoverPersonalSignature (msgParams)

msgParams should have a data key that is hex-encoded data unsigned, and a sig key that is hex-encoded and already signed.

Returns a hex-encoded sender address.

extractPublicKey (msgParams)

msgParams should have a data key that is hex-encoded data unsigned, and a sig key that is hex-encoded and already signed.

Returns a hex-encoded public key.

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FAQs

Last updated on 19 Jul 2017

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