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An external bitcoind index management service module

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# indexd
[![build status](https://secure.travis-ci.org/dcousens/indexd.png)](http://travis-ci.org/dcousens/indexd)
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An external [bitcoind](https://github.com/bitcoin/bitcoin) index management service module.

## Indexes
By default,  this module includes a script, spents, transaction block, txout, tx, median time past and fee indexes.
The module uses `getblockheader`, `getblockhash`, `getblock` and `getbestblockhash` RPC methods for blockchain synchronization;  and `getrawmempool` for mempool synchronization.

`-txindex` is not required for this module; but is still useful for individual transaction lookup (aka `txHex`).
See https://github.com/bitcoinjs/indexd/issues/6 if you think an independent transaction index should be added.

## Usage
Assumes [`yajrpc`](https://github.com/dcousens/yajrpc) is used for the provided bitcoind RPC object; and [`leveldown`](https://github.com/level/leveldown) for the database object.

### Conventions
When conveying block height, `-1` represents unconfirmed (in the mempool).
`null` represents unknown or missing.

For example, the height of the transaction `ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff` in the Bitcoin blockchain is `null` (it doesn't exist!).

## LICENSE [ISC](LICENSE)

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