Merge pull request #20152 from karalabe/snapshot-5

accounts/abi/bind/backends/simulated.go

cmd/evm/runner.go

cmd/evm/staterunner.go

cmd/geth/chaincmd.go

cmd/geth/main.go

cmd/geth/usage.go

cmd/utils/flags.go

core/blockchain.go

core/blockchain_test.go

core/chain_makers.go

core/genesis.go

core/rawdb/accessors_snapshot.go

core/rawdb/database.go

core/rawdb/schema.go

core/state/iterator_test.go

core/state/journal.go

core/state/snapshot/account.go

core/state/snapshot/difflayer.go

core/state/snapshot/difflayer_test.go

core/state/snapshot/disklayer.go