* add base support
* backend config
* add base archive blockchain factory
* add dbProtoAddrContracts flag and default to legacy encoding. fix tests
* default cache behavior for dbMaxAddrContracts default value
* update to defer func to ensure addressContracts is reset and handle possible error
* base config default to use dbProtoAddrContracts
* add network config
* update op-geth and op-node versions
* remove coingecko url
* update coingecko platform identifier
* token type -> token standard
* reduce allocations as pack/unpack addr contracts is primary bottleneck for l2 chains
* archive snapshot no longer supported, use fullnode snapshot as best effort
* remove proto encoded addr contracts as bench marks indicate there is no performance gain as initially suspected
* revert address contract cache changes
