findPaymentPaths: Find a payment path between a source and a destination.
In froocpu/stellaR: A 'Stellar' Client

Calculate a path for a payment based on the assets the source/target owns.

1
2
3

findPaymentPaths(destination_account, destination_asset_type,
  destination_asset_code, destination_asset_issuer, destination_amount,
  source_account)

`destination_account`	character - The destination account that any returned path should use.
`destination_asset_type`	character - The type of the destination asset credit_alphanum4
`destination_asset_code`	character - The code for the destination, if destination_asset_type is not “native”.
`destination_asset_issuer`	character - The issuer for the destination, if destination_asset_type is not “native”.
`destination_amount`	character - The amount, denominated in the destination asset, that any returned path should be able to satisfy.
`source_account`	character - The sender’s account id. Any returned path must use a source that the sender can hold.