Add `getTransactions` endpoint #387

Job	Run time
Build (ubuntu-latest, x86_64-unknown-linux-gnu, amd64)	2m 30s
Integration tests (ubuntu-20.04, 1.22, 20)	11m 55s
Build (ubuntu-latest, aarch64-unknown-linux-gnu, arm64)	3m 0s
Unit tests (ubuntu-20.04, 1.22)	2m 44s
Integration tests (ubuntu-20.04, 1.22, 21)	12m 20s
Build (macos-latest, x86_64-apple-darwin, amd64)	2m 34s
Integration tests (ubuntu-22.04, 1.22, 20)	11m 33s
Unit tests (ubuntu-22.04, 1.22)	2m 50s
Build (macos-latest, aarch64-apple-darwin, arm64)	2m 32s
Integration tests (ubuntu-22.04, 1.22, 21)	11m 57s
Build (windows-latest, x86_64-pc-windows-gnu, amd64)	7m 32s
	1h 11m 27s

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