contracts: switch to wasmi gas metering (#14084)

* upgrade to wasmi 0.29

* prepare cleanup

* sync ref_time w engine from the stack frame

* proc_macro: sync gas in host funcs

save: compiles, only gas pushing left to macro

WIP proc macro

proc macro: done

* clean benchmarks & schedule: w_base = w_i64const

* scale gas values btw engine and gas meter

* (re)instrumentation & code_cache removed

* remove gas() host fn, continue clean-up

save

* address review comments

* move from CodeStorage&PrefabWasmModule to PristineCode&WasmBlob

* refactor: no reftime_limit&schedule passes, no CodeStorage

* bugs fixing

* fix tests: expected deposit amount

* fix prepare::tests

* update tests and fix bugs

tests::run_out_of_gas_engine, need 2 more

save: 2 bugs with gas syncs: 1 of 2 tests done

gas_syncs_no_overcharge bug fixed, test passes!

cleaned out debug prints

second bug is not a bug

disabled_chain_extension test fix (err msg)

tests run_out_of_fuel_host, chain_extension pass

all tests pass

* update docs

* bump wasmi 0.30.0

* benchmarks updated, tests pass

* refactoring

* s/OwnerInfo/CodeInfo/g;

* migration: draft, compiles

* migration: draft, runs

* migration: draft, runs (fixing)

* deposits repaid non pro rata

* deposits repaid pro rata

* better try-runtime output

* even better try-runtime output

* benchmark migration

* fix merge leftover

* add forgotten fixtures, fix docs

* address review comments

* ci fixes

* cleanup

* benchmarks::prepare to return DispatchError

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts

* store memory limits to CodeInfo

* ci: roll back weights

* ".git/.scripts/commands/bench-vm/bench-vm.sh" pallet dev pallet_contracts

* drive-by: update Readme and pallet rustdoc

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts

* use wasmi 0.29

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts

* use wasmi 0.30 again

* query memory limits from wasmi

* better migration types

* ci: pull weights from master

* refactoring

* ".git/.scripts/commands/bench-vm/bench-vm.sh" pallet dev pallet_contracts

* addressing review comments

* refactor

* address review comments

* optimize migration

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts

* another review round comments addressed

* ci fix one

* clippy fix

* ci fix two

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Co-authored-by: command-bot <>