Custom signature topic #329

Job	Run time
set-image	1s
clippy	12m 14s
dylint	6m 48s
check (STD)	8m 7s
clippy-examples (STD)	10m 23s
check (WASM)	4m 1s
clippy-examples (WASM)	5m 57s
check (RISCV)	1m 55s
fmt	2m 24s
spellcheck	1m 25s
test	20m 7s
build (STD)	13m 52s
build (WASM)	3m 50s
docs	10m 17s
codecov	23m 17s
examples-test	30m 31s
examples-contract-build (WASM)	16m 32s
examples-docs	6m 38s
examples-contract-build (RISCV)	5m 18s
fuzz	0s
measurements / contract-sizes	26m 48s
	3h 30m 25s

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