CheckAddress verifies length of given address.

CheckDuplicates checks a string array for duplicates.

CheckKeysArr checks keys if not empty or having duplicates.

DecodeAndSort returns decoded and sorted collection.

DecodeBase58PublicKey decode public key from base58 to a byte array.

IsValidator checks whether a public key belongs to authorized entities and returns true or false.

KeyStringToSortedHashedHex returns keys encoded to sorted hashed hex.

ParseCCName returns chaincode name from proposal.

ToLowerFirstLetter returns string with first letter in lower case.

ValidateMinSignatures checks that the number of required signatures is greater than the minimum allowed value.

MinSignaturesRequired defines the minimum number of signatures required for a multisignature transaction.