A simple rust program that reads transactions from a file ans writes to stdout. The output can be directed to a file, as expected to a unix program.
$ cargo run -- transactions.csv > accounts.csvThe expected input is in the format:
type, client, tx, amount
deposit, 1, 1, 1.0
deposit, 2, 2, 2.0
deposit, 1, 3, 2.0
withdrawal, 1, 4, 1.5
dispute, 1, 4
resolve, 1, 4
dispute, 1, 3
withdrawal, 2, 5, 3.0
chargeback, 1, 3
And the output:
client,available,held,total,locked
1,1.0,0,1.0,true
2,-1,0,-1,false
The business rules are described in the tests
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