Update getTxn rpc with events data #37

Job	Run time
Build (ubuntu-latest, x86_64-unknown-linux-gnu, amd64)	1m 23s
Integration tests (ubuntu-20.04, 1.21, .CLI.)	12m 22s
Unit tests (ubuntu-20.04, 1.21)	2m 7s
Build (ubuntu-latest, aarch64-unknown-linux-gnu, arm64)	1m 39s
Integration tests (ubuntu-20.04, 1.21, ^Test(([^C])\|(C[^L])\|(CL[^I])).*$)	12m 41s
Unit tests (ubuntu-22.04, 1.21)	2m 1s
Build (macos-latest, x86_64-apple-darwin, amd64)	1m 31s
Integration tests (ubuntu-22.04, 1.21, .CLI.)	13m 0s
Build (macos-latest, aarch64-apple-darwin, arm64)	1m 33s
Integration tests (ubuntu-22.04, 1.21, ^Test(([^C])\|(C[^L])\|(CL[^I])).*$)	12m 38s
Build (windows-latest, x86_64-pc-windows-gnu, amd64)	1m 35s
	1h 2m 30s

Provide feedback