Add `getTransactions` endpoint #409

Job	Run time
Integration tests (ubuntu-20.04, 1.22, 20)	11m 52s
Build (ubuntu-latest, x86_64-unknown-linux-gnu, amd64)	2m 38s
Integration tests (ubuntu-20.04, 1.22, 21)	12m 10s
Build (ubuntu-latest, aarch64-unknown-linux-gnu, arm64)	2m 56s
Integration tests (ubuntu-22.04, 1.22, 20)	11m 19s
Build (macos-latest, x86_64-apple-darwin, amd64)	2m 16s
Integration tests (ubuntu-22.04, 1.22, 21)	12m 15s
Build (macos-latest, aarch64-apple-darwin, arm64)	2m 46s
Build (windows-latest, x86_64-pc-windows-gnu, amd64)	10m 16s
Unit tests (ubuntu-20.04, 1.22)	2m 7s
Unit tests (ubuntu-22.04, 1.22)	2m 5s
	1h 12m 40s

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