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Universal Resolver Driver: did:btcr

This is a Universal Resolver driver for did:btcr identifiers.

Specifications

• Decentralized Identifiers
• DID Method Specification

Example DIDs

 did:btcr:xz35-jznz-q9yu-ply
 did:btcr:xkrn-xz7q-qsye-28p
 did:btcr:x705-jznz-q3nl-srs

Build and Run (Docker)

docker build -f ./docker/Dockerfile . -t universalresolver/driver-did-btcr
docker run -p 8080:8080 universalresolver/driver-did-btcr
curl -X GET http://localhost:8080/1.0/identifiers/did:btcr:xz35-jznz-q9yu-ply

Build (native Java)

mvn clean install

Driver Environment Variables

The driver recognizes the following environment variables:

uniresolver_driver_did_btcr_bitcoinConnection

• Specifies how the driver interacts with the Bitcoin blockchain.
• Possible values:
  • bitcoind: Connects to a bitcoind instance via JSON-RPC
  • btcd: Connects to a btcd instance via JSON-RPC
  • bitcoinj: Connects to Bitcoin using a local bitcoinj client
  • blockcypherapi: Connects to BlockCypher's API
• Default value: blockcypherapi

uniresolver_driver_did_btcr_rpcUrlMainnet

• Specifies the JSON-RPC URL of a bitcoind/btcd instance running on Mainnet.
• Default value: http://user:pass@localhost:8332/

uniresolver_driver_did_btcr_rpcUrlTestnet

• Specifies the JSON-RPC URL of a bitcoind/btcd instance running on Testnet.
• Default value: http://user:pass@localhost:18332/

uniresolver_driver_did_btcr_rpcCertMainnet

• Specifies the server TLS certificate of the bitcoind/btcd instance running on Mainnet.
• Default value: ``

uniresolver_driver_did_btcr_rpcCertTestnet

• Specifies the server TLS certificate of the bitcoind/btcd instance running on Testnet.
• Default value: ``

Driver Metadata

The driver returns the following metadata in addition to a DID document:

• fragmentUri: ...
• chain: ...
• blockHeight: ...
• blockIndex: ...