DecodeAndSignNFDTransactions decodes and signs transactions that came from an NFD API for user signing, signing each transaction which needs signed using the given signer.

GetBareAccount just returns account information without asset data.

GetNetAndTokenFromFiles reads the address and token from the specified files in the local Algorand data directory.

SignGroupTransactions takes the slice of Transactions and of TxnSigner implementations and signs each according to the matching TxnSigner implementation for each transaction.

SignGroupTransactionsForFrontend takes the slice of Transactions and of TxnSigner implementations and signs each according to the matching TxnSigner implementation for each transaction - returning as a json array of base64 encoded strings.

DefaultValidRoundRange - max valid round range to have transactions be valid for (and to check for confirmation).