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eth-sig-util
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A small collection of ethereum signing functions.
You can find usage examples here
npm install eth-sig-util --save
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.
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.
msgParams should have a data
key that is hex-encoded data to sign.
Returns the prefixed signature expected for calls to eth.personalSign
.
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.
Signs typed data as per an early draft of EIP 712.
Data should be under data
key of msgParams
. The method returns prefixed signature.
Signs typed data as per the published version of EIP 712.
Data should be under data
key of msgParams
. The method returns prefixed signature.
Signs typed data as per an extension of the published version of EIP 712.
This extension adds support for arrays and recursive data types.
Data should be under data
key of msgParams
. The method returns prefixed signature.
Return address of a signer that did signTypedData
.
Expects the same data that were used for signing. sig
is a prefixed signature.
Return address of a signer that did signTypedData
as per an extension of the published version of EIP 712.
This extension adds support for arrays and recursive data types.
Expects the same data that were used for signing. sig
is a prefixed signature.
Return hex-encoded hash of typed data params according to EIP712 schema.
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.
FAQs
A few useful functions for signing ethereum data
The npm package eth-sig-util receives a total of 139,943 weekly downloads. As such, eth-sig-util popularity was classified as popular.
We found that eth-sig-util demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 6 open source maintainers collaborating on the project.
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