Snapshots: txnHash2BlockNum idx (#3213)

accounts/abi/bind/backends/simulated.go

cmd/rpcdaemon/commands/eth_block.go

cmd/rpcdaemon/commands/eth_txs.go

cmd/rpcdaemon/commands/tracing.go

core/rawdb/accessors_chain.go

core/rawdb/accessors_indexes.go

core/rawdb/accessors_indexes_test.go

eth/stagedsync/stage_headers.go

turbo/cli/snapshots.go

turbo/snapshotsync/block_reader.go

turbo/snapshotsync/block_snapshots.go

turbo/stages/blockchain_test.go