Fix sms reg functions #1548

Job	Run time
check	5m 56s
clippy	6m 50s
rustfmt	15s
audit	25s
test	4m 41s
cross-mipsel	45s
cross-aarch64	1m 12s
cross-armv7	42s
cross-mips	43s
integration-test-five-nodes	26m 19s
integration-test-eth-payments	21m 24s
integration-test-db-migration	24m 58s
integration-test-althea-payment	16m 44s
integration-test-debts	25m 1s
integration-test-validate-contract	13m 23s
integration-test-multi-exit	20m 49s
	2h 50m 7s

Provide feedback