* Avoid fetching contracts while creating a checkpoint
* Use enum for state kind and cache ipld status
* Avoid fetching block twice while finalizing a staged diff IPLDBlock
* Create checkpoints at fixed block numbers and refactor checkpointing code
* Avoid calling block handler until start block is reached
* Use delete while finalizing staged diff IPLDBlocks
* Add a check to ensure hooks job is created only once
* Avoid check for initial state while creating a checkpoint
* Process hooks for the first block in the watchers
* Store initial state from a hook in an IPLDBlock for eden-watcher
* Extract watcher method to prepare IPLDBlocks in util
* Extract common IPLDBlocks related code in util
* Move IPFSClient to util
* Use constants for state kind
* Handle BigNumber event params in watchers
* Customize decimal according to limits of IEEE-754 decimal128
* Add definition for custom scalar BigDecimal
* Handle subgraph schema field with derivedFrom directive
* Handle derivedFrom directive in eden-watcher
* Fix 1 to N relation error by removing limit from query
* Order by id for derivedFrom relations to match graph-node
* Refactor example subgraph schema entities
* Fix watcher queries to return correct relation field values
* Fix hierarchical query for getting two entities at same block
* Add CLI to compare entities from two GQL endpoints
* Print out result diffs in compare-entity CLI
* Get the colorized result diff in compare-entity CLI
* Read query dir from config file or as an arg
* Make config file arg required
* Make queries in Example schema similar to that in graph-node
* Get non-colorized output on choosing raw-json diff option
* Make queries in eden-watcher similar to that in graph-node
* Rename Block, Transaction types and add block query in eden-watcher schema
* Handle field name conflicts in eden subgraph entities
* Resolve entity field name conflicts while sending data for auto-diff
* Add a watcher for EdenNetwork contract
* Add events from MerkleDistributor contract to eden-watcher
* Add ERC721 Transfer and Approval events to eden-watcher schema
* Add artifacts for DistributorGovernance and MerkleDistributor contracts
