Historical Account Balance Checks
This tool consumes a list of Solana pubkeys and creates an output CSV file containing the pubkeys and their SOL balances at a pre-determined historical slot height.
Prereqs
Ensure you have npm and node installed
Install wayback-engine (https://github.com/vicyyn/wayback-engine)
npm -i wayback-engine
Run
Create a newline separated csv file (ie input.csv) with a list of pubkeys whose balance you want to check
node getBalances.js input.csv
Results are written to output-<DATE><TIME>.csv