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Here is a step-by-step guide on how to retrieve input addresses and amounts from v vin transactions in Bitcoin core rpc using Bitcoin-Cli:
Step 1: Connect to Bitcoin Core RPC
First, you need to connect to the Bitcoin Core RPC Server. Open A Terminal or Command Prompt and Run:
`
Bitcoin-RPC-http: // Localhost: 8332
`
This will start the Bitcoin Core RPC Server on Port 8332.
Step 2: Get Block Data Using Bitcoin-Cli
Use Bitcoin-Cli to get the Block Data:
`
Bitcoin-CLI GetBlock 1234567890
`
Replace 1234567890 with the block hash you want to retrieve. This will output a JSON Object Containing Information About the Block.
Step 3: Get Transaction Details Using Bitcoin-Cli
Use Bitcoin-Cli to get the Raw Transaction Data:
`
Bitcoin-CLI GetRawransaction 1234567890
`
This will output a string containing the transaction details in a format suitable for parsing. Note that this will include all transactions, including those with no input addresses or amounts.
Step 4: Parse v Vin Transactions
To extract input addresses and amounts from v vin (voting vin) transactions, we need to parse the Raw Transaction Data Using JSon Parsing. You can use libraries like json in python to achieve this:
`
import json
Assume tx_data is the raw transaction string
data = json.loads (tx_data)
Iterate over each transaction in the Raw Transaction Data
for TX in Data [‘Transactions’]:
Check if the transaction has v vin (voting vin) property
If ‘vin’ in tx and isinstance (TX [‘Vin’], Dict):
Extract input address and amount from v vin properties
input_address = tx [‘vin’] [‘address’]
amount = tx [‘vin’] [‘value’]
Print (f “Input Address: {input_address}”)
Print (f “Amount: {Amount}”)
Else:
Print (“No v Vin Transactions Found”)
`
This code assumes that the tx_data string is the Raw Transaction Output. The JSON Parsing Library Json Loads the Data Into A Python Dictionary, which we can then iterate over to extract the input address and amount from each transaction.
Note:
this code only prints the extracted information to the console. You may need to modify it to store or persist the results for further analysis or use cases.
I hope this helps you retrieve the desired information using Bitcoin Core RPC!