accountKeys property
List of base-58 encoded public keys used by the transaction, including the instructions and signatures. The first MessageHeader.numRequiredSignatures public keys must sign the transaction.
Example:
If accountKeys = ['pk1', 'pk0', 'pk4', 'pk2', 'pk5']
,
and MessageHeader.numRequiredSignatures = 2
,
then Transaction.signatures must be = ['message signed by pk1', 'message signed by pk0']
Implementation
final List<Pubkey> accountKeys;