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Truffle Quick Start Guide

You're reading from   Truffle Quick Start Guide Learn the fundamentals of Ethereum development

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781789132540
Length 170 pages
Edition 1st Edition
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Author (1):
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Nikhil Bhaskar Nikhil Bhaskar
Author Profile Icon Nikhil Bhaskar
Nikhil Bhaskar
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Toc

Common migration pitfalls

A common mistake is to have a misconfigured truffle.js file. Ensure that for each network you plan to deploy to, there should be a corresponding entry in the networks object, stating the following information:

networks: {
network_name: {
network_id: <number>
host: <string>,
port: <number>,
gas: <number>
}
}

How do we know what is the correct gas limit? Well, you have to play with this a little.

Every transaction you make has a gas cost. A migration is a transaction, too, and thus has a gas cost. When attemmpting to migrate your contract, you may run into this error:

exceeds block gas limit

Every transaction you send has a gas limit. Try to decrease the amount of gas specified.

Another error you may encounter is the following:

insufficient funds for gas * price + value

This means the total cost of the transaction exceeds...

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