Add instructions for creating the database and the initial table
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README.md
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README.md
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### Dependencies
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### Dependencies
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- Go 1.9+
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- Go 1.9+
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- https://github.com/golang/dep
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- Postgres 10
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### Cloning the Repository
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### Cloning the Repository
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- This will take a while and gives poor indication of progress.
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- This will take a while and gives poor indication of progress.
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4. `go install github.com/ethereum/go-ethereum/cmd/geth`
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4. `go install github.com/ethereum/go-ethereum/cmd/geth`
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### Setting up the Development Database
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1. Install Postgres
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2. Create a superuser for yourself and make sure `psql --list` works without prompting for a password.
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3. `go get -u -d github.com/mattes/migrate/cli github.com/lib/pq`
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4. `go build -tags 'postgres' -o /usr/local/bin/migrate github.com/mattes/migrate/cli`
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5. `createdb vulcanize`
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6. `migrate -database 'postgresql://localhost:5432/vulcanize?sslmode=disable' -path ./migrations up`
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Adding a new migration: `migrate -database postgresql://localhost:5432/postgres create -dir ./migrations -ext sql <migration-name>`
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### Creating/Using a Private Blockchain
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### Creating/Using a Private Blockchain
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Syncing the public blockchain takes many hours for the initial sync and will download 20+ GB of data.
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Syncing the public blockchain takes many hours for the initial sync and will download 20+ GB of data.
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migrations/1508943247_create_blocks_table.down.sql
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migrations/1508943247_create_blocks_table.down.sql
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DROP TABLE public.blocks
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migrations/1508943247_create_blocks_table.up.sql
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migrations/1508943247_create_blocks_table.up.sql
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CREATE TABLE public.blocks
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(
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block_number BIGINT
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)
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