* Upgrade geth from 1.8.15 to 1.8.18
* Update vat_tune to use shared repository methods
* Query blockchain by block hash instead of block number range
* Remove hash validation from repositories
* Fix vow flog integration test
* Update README Travis build sticker
* Update constants formatting per go fmt
* Update EthPublicKeyParser.ParsePublicKey to use discv5.PubkeyID method
* Address PR comments
- Delete header on conflict to prompt data refresh (cascade deletes all
data associated with that block)
- Derive header hash from rpc payload rather than computing it from data
(prevents hash mismatch between blockchain and cache)
* Use shared repository test examples for frob
* Use shared repository methods for frob
* Use shared repository test examples for flop kick
* Use shared repository methods for flop kick
* Use shared repository test examples for flip kick
* Use shared repository methods for flip kick
* Use shared repository test examples for bite
* Use shared repository methods for bite
* Alphabetize check headers constants
* Move chop lump transformer test to a generic log_note_transformer_test
* Add test cases to transformer test
- cat file flip
- cat file pit vow
- deal
- dent
* Move transformer tests over to transformer factor test file
- drip drip
- drip file ilk/repo/vow
- pit file deb ceiling/ilk/stability fee
- price feeds
* Move LogNoteTransformer test into factory package and remove log specific transformer tests
* Move Transformer test into factory package and remove log event specific transformer tests
* Respond to PR comments
* Add log_index field to flip kick
* Add log index to flop kick
* Add repo tests for Cat.file
* Add log_index to vat_flux
* Add log_index to vat_slip
* Add log_index to vat_toll
* Add log_index to vat_tune
* Add test to repos for updating checked headers
* Update FlipperAddress to new local ganache address
* Update flip_kick table
* Update flipkick transformer to handle new signature and abi
* Update tend table
* Update tend converter
* Incorporate DSS updates
- Lad renamed to Guy
- Dink and Dart added to Frob
* update test chain data
* Remove Mom field from FlipKick
* Update Flip ABI and sample flip kick data
* Incorporate updates to Frob event
- Guy renamed to Lad
- Era and Gem removed, iArt added
- Also turn off integration tests that read from test chain while
events are actively under development
- fetches logs from all three price feeds in one query
- assumes eth/usd price feed will be updated to include LogValue event
- updates transformers to run separate from header sync
- removes assertions against data with timestamps to facilitate running
the tests against a freshly setup local Ganache instance
- also applies a few `go vet` and `go fmt` changes
* Move flip kick files pkg/transformers/flip_kick
* Consolidate test database setup
* Pull ganache ipcPath from config
* Update README to include info about using a Ganache chain
