add websocket methods #8132

Job	Run time
Build CJS (18)	2m 37s
Build CJS (16)	2m 52s
Build Types (18)	57s
Build ESM (18)	57s
Build Web	29s
Build ESM (16)	1m 2s
Build Docs (18)	4m 55s
Build Types (16)	1m 2s
Integration IPC (18, geth, ipc)	9m 26s
End-to-End ganache:ws (18, electron)	9m 35s
Integration (18, geth, http)	3m 33s
Integration IPC (16, geth, ipc)	9m 40s
End-to-End ganache:ws (18, chrome)	9m 27s
Integration (18, geth, ws)	8m 37s
End-to-End ganache:ws (18, firefox)	9m 23s
Lint	2m 6s
Integration (18, ganache, http)	2m 55s
End-to-End ganache:ws (16, electron)	9m 45s
Integration (18, ganache, ws)	4m 22s
Unit Tests (18)	2m 23s
End-to-End ganache:ws (16, chrome)	9m 38s
Integration (16, geth, http)	3m 19s
Unit Tests (16)	3m 53s
Integration (16, geth, ws)	8m 54s
End-to-End ganache:ws (16, firefox)	9m 54s
Integration (16, ganache, http)	3m 3s
Integration (16, ganache, ws)	4m 36s
	2h 19m 20s

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