Add `getTransactions` endpoint #383

Job	Run time
Build (ubuntu-latest, x86_64-unknown-linux-gnu, amd64)	2m 43s
Integration tests (ubuntu-20.04, 1.22, 20)	11m 43s
Build (ubuntu-latest, aarch64-unknown-linux-gnu, arm64)	3m 5s
Unit tests (ubuntu-20.04, 1.22)	2m 7s
Integration tests (ubuntu-20.04, 1.22, 21)	12m 2s
Build (macos-latest, x86_64-apple-darwin, amd64)	2m 21s
Unit tests (ubuntu-22.04, 1.22)	2m 12s
Integration tests (ubuntu-22.04, 1.22, 20)	11m 28s
Build (macos-latest, aarch64-apple-darwin, arm64)	2m 24s
Integration tests (ubuntu-22.04, 1.22, 21)	12m 6s
Build (windows-latest, x86_64-pc-windows-gnu, amd64)	7m 58s
	1h 10m 9s

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