Do not block startup to check chain head #101
Merged
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Fixes #98
Depends on hyperledger/firefly-signer#48 (was causing a panic in UTs)
Instead of checking the chain head in-line in
EventStreamStart()
function, this change pushes thatpreStartProcessing
code down into thestreamLoop
that gets started asynchronously.This means we don't block FFTM from starting up.