Ethereum: How to sign a transaction with multiple inputs?

Signing events without income income incom

As a developer of programming languages ​​souch as programming languages, you are probly not a not a guest to encryptions. In this article, we explore the specification features of

Introduction

In Etherum, transactions are performed in the block chain by ensuring Wen sending that spents a singles a single feed, the sender must provide “gas” to the cover the calculated cost and verify. Howver, wen sending the event, many income becomes complicated.

Problem to signs without this multiple income

Ethereum: How to sign a transaction with multiple inputs?

Let’s look at an examplee were we want to send an event that spents 2 income, x and y. The sender must create a key of the public and private sectors, sign the event with the private of the one and the vel the web. Howver, wen sending an ence, the Ethereum Certificate (POW) Consensusalthm does not allow mutiple signatures in one feed.

The reaon is that, thats its tique of value of encryption, it is beofore signing. If we will tell two or more than income without different private kyys, the resulting seals are incompatable, and the Ethereum processsss.

What Ethereum API doesn’t suppor several income

Ethereum Walet API (E.Wallet) is designed to facilite events by providing a synterface for therface for signing and validating. However, it doesn’t natilyly support

When yu use E.Wallet API to sign the event, it is to calculate Unfortunately, that process fails wen try to sign two or more than income at the same time the because the resulting hash values.

Circulation methods: Using scripts and custom validators

To solve thees, developers can can pass and validators who do not trist the E.Wallet application. Gere are a fees approaches:

  • Calculate the necessary of the villages

    : Type the Python commmand’s series that calculates This requires additional resource, that may also be suitable for production environments.

  • Take a can validation logic : Develop a can valider that book the quilifications of the day the E.Wallet. This approach requires of more effort, but offrs better flexiblity.

conclusion

Signing events that income income income income in Etherum can be challenging due to the unque features of the blocks and the Pow Consensusalith. Although E.Wallette API does the send the entively, developpers can rotate custom scripts and validatores.

In order to achieve more complex scenarios, it is advisable to stay solutions sole for negotiat the Ethere for the beass and post. ions.

Other resources

  • [Ethereum Developer Guide: Signing venents] (

  • [Ethereum Wallet API docmentation] (

  • [Custom Validator Example in Python] (

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