commitDigest property
Specifies the commit digest for the transaction to commit. For every active
transaction, the commit digest must be passed. QLDB validates
CommitDigest and rejects the commit with an error if the digest
computed on the client does not match the digest computed by QLDB.
The purpose of the CommitDigest parameter is to ensure that
QLDB commits a transaction if and only if the server has processed the exact
set of statements sent by the client, in the same order that client sent
them, and with no duplicates.
Implementation
final Uint8List commitDigest;