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qc_accounts

Returns the list of addresses managed by the node (unlocked accounts). 
curl -X POST http://localhost:8545 \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"qc_accounts","params":[],"id":1}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": ["0xff81e5c74e14db5b4ee407d66b1b063c8f305c51"]
}

​
qc_getBalance

Returns the balance of an address in wei.
ParameterTypeDescription
addressstring20-byte address (hex)
blockNumberstringBlock number (hex) or tag
curl -X POST http://localhost:8545 \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"qc_getBalance","params":["0xff81e5c74e14db5b4ee407d66b1b063c8f305c51","latest"],"id":1}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x56bc75e2d63100000"
}
Convert wei to QC: divide by 10^18. The result above is 100 QC.

​
qc_getCode

Returns the contract bytecode at a given address. Returns 0x for externally owned accounts.
ParameterTypeDescription
addressstring20-byte address (hex)
blockNumberstringBlock number (hex) or tag
curl -X POST http://localhost:8545 \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"qc_getCode","params":["0x1234567890abcdef1234567890abcdef12345678","latest"],"id":1}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x6080604052..."
}

​
qc_getStorageAt

Returns the value at a storage position for a given address.
ParameterTypeDescription
addressstring20-byte address (hex)
storageKeystringStorage slot position (hex, 32 bytes)
blockNumberstringBlock number (hex) or tag
curl -X POST http://localhost:8545 \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"qc_getStorageAt","params":["0x1234567890abcdef1234567890abcdef12345678","0x0","latest"],"id":1}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x0000000000000000000000000000000000000000000000000000000000000001"
}

​
qc_getProof

Returns the Merkle proof for an account and optionally its storage keys. Useful for light client verification.
ParameterTypeDescription
addressstring20-byte address (hex)
storageKeysstring[]Array of storage keys to prove
blockNumberstringBlock number (hex) or tag
curl -X POST http://localhost:8545 \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"qc_getProof","params":["0xff81e5c74e14db5b4ee407d66b1b063c8f305c51",["0x0"],"latest"],"id":1}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "address": "0xff81e5c74e14db5b4ee407d66b1b063c8f305c51",
    "balance": "0x56bc75e2d63100000",
    "codeHash": "0xc5d2...01",
    "nonce": "0x0",
    "storageHash": "0x56e8...ab",
    "accountProof": ["0x..."],
    "storageProof": [
      {
        "key": "0x0",
        "value": "0x1",
        "proof": ["0x..."]
      }
    ]
  }
}

​
qc_getBlockReceipts

Returns all transaction receipts for a given block.
ParameterTypeDescription
blockNumberstringBlock number (hex) or tag
curl -X POST http://localhost:8545 \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"qc_getBlockReceipts","params":["latest"],"id":1}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "transactionHash": "0x789...abc",
      "transactionIndex": "0x0",
      "blockHash": "0xabc...123",
      "blockNumber": "0x1a4",
      "from": "0xff81...c51",
      "to": "0x5678...efgh",
      "gasUsed": "0x5208",
      "status": "0x1",
      "logs": []
    }
  ]
}