This tutorial explains how to create a raw Bitcoin transaction with Go, using btcsuite library, and then push it to the testnet, or main net. How to Create Raw Bitcoin Transaction and Sign It with Golang
This tutorial explains how to create a raw Bitcoin transaction with Go, using btcsuite library, and then push it to the testnet, or main net.
Following concepts will be covered by the tutorial:
Unspent Output Transaction (UTXO) is referred to an output of a transaction that is not spent yet. The balance of and account is the sum of the amounts of its UTXOs. For example, you can search “3D2oetdNuZUqQHPJmcMDDHYoqkyNVsFk9r” in blockcypher and then click on “Advanced Details”, “unpent outputs” to see UTXOs of this address. Can also use other addresses or other blockchain explorers.
UTXO (blockchain explorer)
We don’t dive deep in private and public key, and just touch address concept. To interact with Bitcoin blockchain, you have to provide a private, public key pair and extract your address from it. All Bitcoin wallets do this job for you and if working with the main net store your backup file or the seed in a secure place.
For testnet, any wallet that supports testnet can be used, or can use this link to get private key and address.
Main net and testnet addresses have a little difference, because of the generating address algorithm.
Address generating algorithm is as follows:
(You can skip address generating algorithm, since every wallet does it for automatically)
Our private key and address for testnet (but don’t reveal your private key)
Private key: “91izeJtyQ1DNGkiRtMGRKBEKYQTX46Ug8mGtKWpX9mDKqArsLpH”
Can I write on a Bitcoin Blockchain? Can I drop down a message? Yes, Luca of course you can! You can leave a message on a Bitcoin blockchain using a particular op code, called OP_RETURN.
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