Add VDB overview diagram to README

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Elizabeth Engelman 2019-05-08 11:44:04 -05:00
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## Background ## Background
The same data structures and encodings that make Ethereum an effective and trust-less distributed virtual machine The same data structures and encodings that make Ethereum an effective and trust-less distributed virtual machine
complicate data accessibility and usability for dApp developers. VulcanizeDB improves Ethereum data accessibility by complicate data accessibility and usability for dApp developers. VulcanizeDB improves Ethereum data accessibility by
providing a suite of tools to ease the extraction and transformation of data into a more useful state. providing a suite of tools to ease the extraction and transformation of data into a more useful state, including
allowing for exposing aggregate data from a suite of smart contracts.
VulanizeDB includes processes that sync, transform and expose data. Syncing involves VulanizeDB includes processes that sync, transform and expose data. Syncing involves
querying an Ethereum node and then persisting core data into a Postgres database. Transforming focuses on using previously synced data to querying an Ethereum node and then persisting core data into a Postgres database. Transforming focuses on using previously synced data to
query for and transform log event and storage data for specifically configured smart contract addresses. Exposing data is a matter of getting query for and transform log event and storage data for specifically configured smart contract addresses. Exposing data is a matter of getting
data from VulcanizeDB's underlying Postgres database and making it accessible. data from VulcanizeDB's underlying Postgres database and making it accessible.
![VulcanizeDB Overview Diagram](../documentation-updates/documentation/diagrams/vdb-overview.png)
## Dependencies ## Dependencies
- Go 1.11+ - Go 1.11+
- Postgres 10.6 - Postgres 10.6

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